CN219314421U

CN219314421U - Quick hoist device of furnace roof of boiler

Info

Publication number: CN219314421U
Application number: CN202320385244.0U
Authority: CN
Inventors: 边亚男; 苏本岭; 牛明辉; 杨云龙; 秦宁
Original assignee: Hebei Rongwei Power Engineering Co ltd
Current assignee: Hebei Rongwei Power Engineering Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-07-07
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to a quick hoist device of furnace roof of boiler belongs to the technical field of ingot furnace hoist and mount, and it includes the bell, the fixed block has been set firmly at the top of bell, and the top of fixed block is provided with the jib with fixed block recess slip adaptation, and the jib is close to the both sides of bottom and all has been seted up and accomodate the groove, and the joint groove has been seted up in the recess to the fixed block, joint groove and accomodate groove one-to-one, and the jib is provided with joint piece and joint spring in accomodating the inslot, and the joint piece is connected fixedly with jib sliding connection along the setting direction of accomodating the groove, and the both ends of joint spring are connected with the jib of joint piece respectively, and this application has the effect that improves hoist device job stabilization nature.

Description

Quick hoist device of furnace roof of boiler

Technical Field

The application relates to the technical field of ingot furnace hoisting, in particular to a furnace top quick hoisting device of a boiler.

Background

At present, a polysilicon ingot furnace is special equipment for producing a large quantity of polysilicon specially designed for the solar energy industry. In the production of polysilicon, an ingot furnace with a furnace body and a furnace top cover in a split design is mostly adopted.

When the ingot furnace operates, the furnace top cover is connected with the upper furnace body of the ingot furnace through bolts, and once the ingot furnace fails, the ingot furnace usually needs to enter the upper furnace body through the position of the furnace top cover to be overhauled, so that the furnace top cover is often required to be removed from the upper furnace body.

Aiming at the related technology, the inventor considers that the existing lifting device lifts the top cover through the self-locking lifting hook, the self-locking lifting hook is easy to deviate in the moving process, manual assistance is needed, and the defect of poor stability in the lifting process of the lifting device for lifting the furnace cover exists.

Disclosure of Invention

In order to improve the stability of hoist device work, this application provides a quick hoist device of furnace roof of boiler.

The application provides a quick hoist device of furnace roof of boiler adopts following technical scheme:

the utility model provides a quick hoist device of furnace roof of boiler, includes the bell, the fixed block has been set firmly at the top of bell, and the top of fixed block is set up flutedly, and the top of fixed block is provided with the jib with fixed block recess slip adaptation, and the jib is close to the both sides of bottom and has all been seted up and accomodate the groove, and the joint groove has been seted up to the fixed block in the recess, joint groove and accomodate the groove one-to-one, and the jib is provided with joint piece and joint spring in accomodating the inslot, and joint piece is along accomodating the direction of seting up in groove and jib sliding connection, and the both ends of joint spring are connected fixedly with the jib of joint piece respectively.

Through adopting above-mentioned technical scheme, the jib is along being close to the bell and remove, and the recess of fixed block is got into to the bottom of jib, and the joint piece is pressed the storage tank of jib under the effect of fixed block inner wall, and the joint spring shrink, when storage tank and joint groove align, the joint piece enters into the joint inslot under the drive of joint spring, and the jib passes through the fixed block realization and is fixed with the connection of bell. Through the structure, the boom drives the furnace cover to move upwards and downwards, the position of the furnace cover cannot deviate, and the working stability of the hoisting device is improved.

Optionally, telescopic rods are arranged on two sides of the suspender, clamping plates are arranged on two sides of the furnace cover, and a connecting rod is fixedly connected between the clamping plates and the telescopic rods.

Through adopting above-mentioned technical scheme, the jib is when being close to the removal of bell along, and splint pass through telescopic link and connecting rod and move down along with the jib, after the joint piece got into the joint groove, splint were located the both sides of bell, and splint and the lateral wall butt of bell, improved the stability of fixing between jib and the bell.

Optionally, the telescopic link encircles and is provided with extension spring and stopper, and the stopper is located one side that extension spring kept away from the jib, stopper and telescopic link fixed connection, and extension spring's both ends are connected fixedly with stopper and jib respectively.

Through adopting above-mentioned technical scheme, splint along being close to the in-process that the bell removed, after splint and the bell butt, extension spring extension, extension spring have made things convenient for splint to the fixed of bell, and extension spring's elasticity has strengthened splint to the fixed of bell.

Optionally, the jib has seted up the cavity along self length direction, and the cavity is linked together with accomodating the groove, and the jib is provided with the movable rod in the cavity, and movable rod is along self length direction and jib sliding connection, all articulates between telescopic link and joint piece and the movable rod.

Through adopting above-mentioned technical scheme, when the joint piece is pressed to receive the in-process in the inslot, the joint piece drives the movable rod through the movable rod and upwards moves, and the movable rod passes through the movable rod and drives the telescopic link and remove along the direction of keeping away from the jib, and then makes splint remove to both sides, in the joint piece enters into the joint inslot from receiving the groove, the movable rod reverse movement to make splint remove along being close to the bell, realize the linkage of joint piece and splint, improved the device's work efficiency.

Optionally, a friction pad is arranged between the clamping plate and the pot cover, and the friction pad is fixedly connected with the clamping plate.

Through adopting above-mentioned technical scheme, friction pad surface is comparatively coarse, and friction pad and the lateral wall butt of bell have increased the frictional force of splint and bell support, have improved the stability of splint and bell in the bell removal process.

Optionally, the through-hole has all been seted up to the both sides of fixed block, and the through-hole is linked together with the joint groove, and the fixed block slides in the through-hole and is provided with the pressure pole.

Through adopting above-mentioned technical scheme, press the pole along being close to the direction of fixed block and press down, press down the pole and be close to the joint piece and remove, press the one end and joint piece butt of pole and press the joint piece to the storage tank of jib in, provide convenience for the unblock of jib and bell.

Optionally, pressing block is set firmly to the one end that pressing rod is located outside the through-hole, presses fixedly connected with reset spring between briquetting and the fixed block.

Through adopting above-mentioned technical scheme, after pressing the depression bar, reset spring contracts, loosens the depression bar, and reset spring resumes to former length, and reset spring drives the briquetting and presses the pole and returns the normal position, provides convenience for the use of fixed block.

Optionally, a cylinder is installed to one side of connecting rod near the fixed block, and the piston rod of cylinder is along the direction parallel with pressing the pole and is removed, and the piston rod of cylinder and pressing the pole alignment setting.

Through adopting above-mentioned technical scheme, start the cylinder, the piston rod tip of cylinder is along being close to pressing the piece and remove, and the piston rod tip and the pressing the piece butt of cylinder, and then drive the pressing the piece and remove, reduce the manual work, improve work efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the hanging rod is moved into the fixed block, the clamping block is matched with the fixed block in a clamping way, and the hanging rod drives the furnace cover to move upwards through the fixed block, so that the stability of the hanging rod to the furnace cover is improved;

2. the clamping plates are driven to move downwards through the suspender, after the suspender enters the fixed block, the two clamping plates are positioned on two sides of the furnace cover, and the clamping plates are used for fixing the furnace cover for the second time, so that the stability of the suspender to the furnace cover is further improved.

3. The cylinder drives the pressing rod to move, so that unlocking between the clamping block and the fixed block is realized, and convenience is provided for separation of the suspender and the furnace cover.

Drawings

FIG. 1 is a schematic structural view of a furnace roof quick hoisting device of a boiler according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of an embodiment of the present application showing the internal structure of a boom and a fixed block;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;

fig. 4 is a partially enlarged schematic view of the portion B in fig. 2.

In the figure, 1, a lifting device; 11. a support rod; 2. a boom; 21. a storage groove; 22. a cavity; 23. a clamping block; 24. a clamping spring; 25. a movable rod; 26. a moving rod; 27. a telescopic rod; 271. a limiting block; 272. a tension spring; 3. a fixed block; 31. a groove; 32. a clamping groove; 33. a through hole; 34. pressing a pressing rod; 35. pressing the blocks; 36. a return spring; 4. a clamping plate; 41. a connecting rod; 42. a friction pad; 43. a cylinder; 5. and a furnace cover.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a quick hoist device of furnace roof of boiler.

Referring to fig. 1, a quick lifting device for a boiler top of a boiler comprises a lifting device 1, a lifting rod 2 is arranged on one side of the lifting device 1, a supporting rod 11 is fixedly connected between the top end of the lifting rod 2 and the lifting device 1, a furnace cover 5 is arranged below the lifting rod 2, a fixed block 3 is arranged between the furnace cover 5 and the lifting rod 2, and the bottom of the fixed block 3 is fixedly connected with the furnace cover 5. When overhauling the boiler, start elevating gear 1, elevating gear 1 drives jib 2 through bracing piece 11 along the length direction of jib 2 and removes, when moving to suitable height, elevating gear 1 drives jib 2 and bell 5 through bracing piece 11 and rotates, makes bell 5 leave the top of boiler, conveniently overhauls the boiler.

Referring to fig. 2 and 3, a groove 31 slidably adapted to the boom 2 is formed in the top of the fixed block 3, a clamping groove 32 is formed in the inner wall of the groove 31 of the fixed block 3, receiving grooves 21 are formed in two sides of the boom 2, the receiving grooves 21 are aligned with the clamping grooves 32 and correspond to each other one by one, the boom 2 is provided with a clamping block 23 and a clamping spring 24 in the receiving grooves 21, the clamping block 23 is slidably connected with the boom 2 along the opening direction of the receiving grooves 21, and a chamfer is formed in one side, close to the furnace cover 5, of the clamping block 23; the clamping spring 24 is arranged along the opening direction of the storage groove 21, one end of the clamping spring 24 is fixedly connected with the clamping block 23, and the other end of the clamping spring 24 is fixedly connected with the inner wall of the storage groove 21 of the hanger rod 2.

When the suspender 2 moves along being close to the furnace cover 5, the bottom of the suspender 2 gradually enters into the groove 31 of the fixed block 3, the clamping blocks 23 completely enter into the storage groove 21 under the action of the fixed block 3, the clamping springs 24 shrink, when the storage groove 21 is aligned with the clamping groove 32, the clamping springs 24 recover, the clamping blocks 23 are driven to enter into the clamping groove 32, the suspender 2 and the fixed block 3 are clamped and fixed, and the suspender 2 is convenient to drive the movement of the furnace cover 5.

Referring to fig. 2 and 3, the boom 2 is provided with a cavity 22 along its length direction, the cavity 22 is communicated with the storage groove 21, the boom 2 is provided with a moving rod 26 in a sliding manner in the cavity 22, a movable rod 25 is provided between the bottom end of the moving rod 26 and the clamping block 23, and two ends of the movable rod 25 are respectively hinged with the moving rod 26 and the clamping block 23.

Referring to fig. 2 and 4, telescopic rods 27 are arranged on two sides of the boom 2, the telescopic rods 27 are connected with the boom 2 in a sliding manner along the direction perpendicular to the boom 2, movable rods 25 are also arranged between the top ends of the telescopic rods 27 and the movable rods 26, and two ends of the movable rods 25 are respectively hinged with the telescopic rods 27 and the movable rods 26; clamping plates 4 are arranged on two sides of the furnace cover 5, the clamping plates 4 are arc-shaped, a connecting rod 41 is fixedly connected between the clamping plates 4 and the telescopic rods 27, a friction pad 42 is arranged between the concave side of the clamping plates 4 and the side wall of the furnace cover 5, and the friction pad 42 is fixedly connected with the clamping plates 4; the telescopic rod 27 is provided with stopper 271 and extension spring in a surrounding way, and stopper 271 is fixed with telescopic rod 27 connection, and stopper 271 is located the one side that extension spring kept away from jib 2, and extension spring's one end is fixed with stopper 271 connection, and joint spring 24's the other end is fixed with jib 2's outer wall connection.

In the process that the clamping block 23 enters the clamping groove 32, the clamping block 23 drives the movable rod 26 to move away from the furnace cover 5 through the movable rod 25, and then moves along the direction close to the furnace cover 5, so that the movable rod 26 drives the telescopic rod 27 and the clamping plate 4 to move along the direction away from the cover plate through the movable rod 25, and then moves along the direction close to the furnace cover 5, the fixing of the two clamping plates 4 to the furnace cover 5 is realized, the acting force between the clamping plates 4 and the furnace cover 5 is increased by the tension spring 272, and the fixing stability of the furnace cover 5 is improved.

Referring to fig. 2 and 4, through holes 33 are formed in both sides of the fixed block 3, the through holes 33 are communicated with the clamping grooves 32, the fixed block 3 is slidably connected with a pressing rod 34 in the through holes 33, one end of the pressing rod 34 is located in the clamping grooves 32, a pressing block 35 is fixedly arranged at the other end of the pressing rod 34, and a reset spring 36 is fixedly connected between the pressing block 35 and the side wall of the fixed block 3; the air cylinders 43 are mounted on the sides of the connecting rods 41, which are close to the boom 2, the air cylinders 43 are aligned with the pressing rods 34, and the piston rods of the air cylinders 43 move in the direction of approaching the moving rods 26.

When the boiler overhauls, the lifting device 1 drives the furnace cover 5 to return to the original position, the air cylinder 43 is started, the piston rod end part of the air cylinder 43 drives the pressing rod 34 to move, the pressing rod 34 presses the clamping block 23 into the accommodating groove 21, the lifting device 1 is started to drive the suspender 2 to leave the fixed block 3, and when the piston rod end part of the air cylinder 43 leaves the pressing block 35, the return spring 36 drives the pressing rod 34 to return to the original position.

The implementation principle of the furnace top quick lifting device of the boiler provided by the embodiment of the application is as follows: when the inside of the boiler is overhauled, the lifting device 1 drives the suspender 2 to move along the direction close to the furnace cover 5 through the supporting rod 11, when the suspender 2 gradually enters the groove 31 of the fixed block 3, the clamping block 23 is firstly pressed into the containing groove 21 of the suspender 2, when the containing groove 21 is aligned with the clamping groove 32, the clamping block 23 enters the clamping groove 32 under the driving of the clamping spring 24, in the process, the clamping block 23 drives the telescopic rod 27 to move away from and then close to the furnace cover 5 through the movable rod 25 and the movable rod 26, so that the clamping plate 4 fixes the furnace cover 5, the lifting device 1 drives the suspender 2 and the furnace cover 5 to reversely move, and after moving to a proper height, the lifting device 1 drives the suspender 2 and the furnace cover 5 to rotate, so that the furnace cover 5 leaves the position right above the boiler, and the maintenance of workers is facilitated; after maintenance is completed, the lifting device 1 resets the furnace cover 5, activates the air cylinder 43, enables the clamping block 23 to leave the clamping groove 32, and completes the separation of the suspender 2 and the fixed block 3. Through the technical scheme, the working stability of the hoisting device is improved.

The embodiments of the present utility model are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a quick hoist device of furnace roof of boiler, includes bell (5), its characterized in that: fixed block (3) have been set firmly at the top of bell (5), recess (31) have been seted up at the top of fixed block (3), the top of fixed block (3) is provided with jib (2) with fixed block (3) recess (31) slip adaptation, storage tank (21) have all been seted up to the both sides that jib (2) are close to the bottom, joint groove (32) have been seted up in recess (31) to fixed block (3), joint groove (32) and storage tank (21) one-to-one, jib (2) are provided with joint piece (23) and joint spring (24) in storage tank (21), joint piece (23) are along the direction of seting up of storage tank (21) and jib (2) sliding connection, the both ends of joint spring (24) are connected fixedly with jib (2) of joint piece (23) respectively.

2. The furnace roof quick hoisting device of a boiler according to claim 1, wherein: the two sides of the suspender (2) are provided with telescopic rods (27), the two sides of the furnace cover (5) are provided with clamping plates (4), and a connecting rod (41) is fixedly connected between the clamping plates (4) and the telescopic rods (27).

3. The furnace roof quick hoisting device of a boiler according to claim 2, wherein: the telescopic rod (27) is provided with an extension spring and a limiting block (271) in a surrounding mode, the limiting block (271) is located on one side, far away from the hanging rod (2), of the extension spring, the limiting block (271) is fixedly connected with the telescopic rod (27), and two ends of the extension spring are respectively connected and fixed with the limiting block (271) and the hanging rod (2).

4. A rapid lifting device for a furnace roof of a boiler according to claim 3, wherein: the lifting rod (2) is provided with a cavity (22) along the length direction of the lifting rod, the cavity (22) is communicated with the storage groove (21), the lifting rod (2) is provided with a moving rod (26) in the cavity (22), the moving rod (26) is slidably connected with the lifting rod (2) along the length direction of the lifting rod, and a movable rod (25) is hinged between the telescopic rod (27) and the clamping block (23) and the moving rod (26).

5. The furnace roof quick hoisting device of a boiler according to claim 2, wherein: a friction pad (42) is arranged between the clamping plate (4) and the pot cover, and the friction pad (42) is fixedly connected with the clamping plate (4).

6. The furnace roof quick hoisting device of a boiler according to claim 2, wherein: through holes (33) are formed in two sides of the fixed block (3), the through holes (33) are communicated with the clamping grooves (32), and a pressing rod (34) is arranged in the fixed block (3) in a sliding mode in the through holes (33).

7. The furnace roof quick hoisting device of a boiler according to claim 6, wherein: one end of the pressing rod (34) positioned outside the through hole (33) is fixedly provided with a pressing block (35), and a reset spring (36) is fixedly connected between the pressing block (35) and the fixed block (3).

8. The furnace roof quick lifting device of a boiler according to claim 7, wherein: a cylinder (43) is arranged on one side, close to the fixed block (3), of the connecting rod (41), a piston rod of the cylinder (43) moves along the direction parallel to the pressing rod (34), and the piston rod of the cylinder (43) is aligned with the pressing rod (34).