CN219283364U

CN219283364U - Novel rocker arm driving device of double-rack soot blower

Info

Publication number: CN219283364U
Application number: CN202320639412.4U
Authority: CN
Inventors: 周龙; 周军明; 吴必超; 徐士祯
Original assignee: Zhejiang Zhengneng Electric Power Engineering Technology Co ltd
Current assignee: Zhejiang Zhengneng Electric Power Engineering Technology Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-06-30
Anticipated expiration: 2033-03-22

Abstract

The utility model relates to a novel rocker arm driving device of a double-rack soot blower. The soot blower solves the problems that the position of the soot blower in the prior art is difficult to adjust and is not beneficial to safe and quick overhaul. The device comprises a soot blower traveling box, wherein a soot blower gun barrel is arranged in the soot blower traveling box, a sliding linkage mechanism used for hoisting the soot blower traveling box is arranged at the upper end of the soot blower traveling box, fixed connection components connected with the sliding linkage mechanism are arranged at two sides of the soot blower traveling box, a gear driving mechanism meshed with the bottom of the sliding linkage mechanism is arranged in the inner shaft of the soot blower traveling box, lifting and lowering of two sides of the soot blower traveling box are arranged at the lower end of an assembly connecting frame, and lifting and lowering driving components capable of driving the gear driving mechanism to lift and lower the soot blower traveling box to passively lift and lower are arranged at the upper end of the assembly connecting frame. The utility model has the advantages that: the operation is convenient, and the disassembly, the assembly and the maintenance of the soot blower traveling box are safe and convenient.

Description

Novel rocker arm driving device of double-rack soot blower

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a novel rocker arm driving device of a double-rack soot blower.

Background

The soot blower is one kind of device for eliminating deposited soot on the heated surface of boiler and consists of soot blower pipe and operating valve. Because of the characteristics of the structure and the medium, the failure rate of the equipment per se is relatively high in a high-temperature environment for a long time, if the barrel of the soot blower is not overhauled frequently, the barrel of the soot blower cannot normally operate, the normal operation of a boiler is influenced, the service life of the barrel of the soot blower is shortened, and the production cost is increased. The existing soot blower dismounting tool is easy to cause uneven force application in the dismounting process, and the valve seat ring and other parts cannot be taken out smoothly, so that part of the lifting valve cannot be maintained and used continuously; in addition, because the position of the soot blower is limited, the soot blower is difficult to lift and move, so that the soot blower gun barrel and the traveling box cannot be overhauled safely and quickly, and the use effect is poor.

In order to solve the defects existing in the prior art, long-term exploration is performed, and various solutions are proposed. For example, chinese patent literature discloses a steam sootblower poppet repair tool [ CN201921806524.4] that includes a disassembly wrench, a flange, bearings, and a connecting screw; the disassembly wrench is in a cylindrical structure, the bottom end of the disassembly wrench is provided with a convex clamping head, the middle of the disassembly wrench is provided with a pillow block, and the top of the disassembly wrench is provided with square heads with four corners; the flange plate is provided with a shaft sleeve along the shaft hole in the middle part, and connecting holes are uniformly distributed along the periphery; the bearing sleeve is arranged at the pillow block of the disassembly wrench, the flange plate is arranged on the disassembly wrench in a sleeved mode, the shaft sleeve is matched with the bearing, and the connecting screw rod is arranged along the connecting hole of the flange plate.

The above-mentioned scheme has solved the inconvenient problem of soot blower dismantlement operation among the prior art to a certain extent, but this scheme still has a great deal of shortages, for example: the gas blower is difficult to lift and move, so that the soot blower barrel and the traveling box cannot be overhauled safely and quickly, and the use effect is poor.

Disclosure of Invention

The utility model aims to solve the problems and provides a novel rocker arm driving device of a double-rack soot blower.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a novel rocking arm drive arrangement of double rack soot blower, including the soot blower walking case, the soot blower walking incasement is equipped with the soot blower barrel, the soot blower walking case upper end is equipped with the slip link gear that is used for hoist and mount the soot blower walking case, soot blower walking case both sides are equipped with the fixed connection subassembly that links to each other with slip link gear, the soot blower walking incasement is interior to be equipped with slip link gear bottom intermeshing's gear drive mechanism, soot blower walking case both sides lift sets up at the assembly link lower extreme, and assembly link upper end is equipped with the lift drive subassembly that can drive gear drive mechanism and go up and down thereby make the passive lift of soot blower walking case.

Through set up sliding connection mechanism in soot blower walking case upper end, when needing to withdraw from the soot blowing barrel, drive sliding link mechanism through gear drive mechanism and drive the synchronous axial displacement mechanism of soot blower walking case to utilize lift drive assembly drive gear drive mechanism to go up and down can drive the soot blower walking case and go up and down in step, thereby realize adjusting the soot blower walking case to the dismantlement of optimum position to the soot blowing barrel, safe high-efficient completion soot blower walking case dismantlement and dress reinstallation work of examining.

In the novel rocker arm driving device of the double-rack soot blower, the sliding linkage mechanism is provided with the sliding connection top plate, the sliding connection top plate is connected with the linkage bottom plate through the connecting rod which is vertically arranged, the soot blower traveling box is circumferentially provided with the sliding lifting box body, the upper end of the sliding lifting box body is provided with the lifting cross rod, the bottom of the lifting cross rod is provided with the sliding guide groove, and the sliding connection top plate is arranged in the sliding guide groove in a sliding manner.

The sliding guide groove can enable the sliding connection top plate to drive the linkage bottom plate to perform stable axial movement.

In the novel rocker arm driving device of the double-rack soot blower, the lower end of the assembly connecting frame is provided with the lifting connecting rod, the lifting connecting rod is provided with the lifting sliding chute, and the lifting cross rod is arranged in the lifting sliding chute in a sliding and lifting manner.

The sliding lifting box body can be lifted by the aid of the lifting sliding chute, so that the soot blower walking box can be synchronously lifted to adjust the height.

In the novel rocker arm driving device of the double-rack soot blower, the gear driving mechanism comprises a driven rack arranged at the lower end of the linkage bottom plate, a driving chain belt is arranged in the soot blower traveling box, two ends of the driving chain belt are driven by gear driving motors arranged at two sides of the soot blower traveling box, an output shaft of each gear driving motor is arranged in the driving chain belt and meshed with the inner wall of the driving chain belt, and the outer wall of the driving chain belt is meshed with the driven rack.

After the gear driving motor is started, the chain belt is driven to reciprocate, so that the sliding linkage mechanism moves forwards and backwards, and the linkage effect is good.

In the novel rocker arm driving device of the double-rack soot blower, the fixed connection assembly comprises a connection plate frame connected with two sides of a soot blower traveling box, a sliding abdication through groove for an output shaft of a gear driving motor to penetrate is axially formed in the connection plate frame, and the upper end of the connection plate frame is connected with the linkage bottom plate through a detachable connection mechanism. The arrangement of the fixed connection assembly enables the soot blower traveling box to be tightly connected with the linkage bottom plate, and when the linkage bottom plate moves, the soot blower traveling box can synchronously move.

In the novel rocker arm driving device of the double-rack soot blower, the detachable connecting mechanism comprises a connecting seat, a connecting block is connected to the connecting seat through a connecting screw rod, and the connecting block is connected with the linkage bottom plate through a locking screw rod.

In the novel rocker arm driving device of the double-rack soot blower, the lifting driving assembly comprises a linkage belt wheel arranged at one end of the gear driving motor, which is far away from the driving chain belt, a chain belt collecting and discharging machine is arranged on the assembly connecting frame, a chain belt containing box is arranged on the assembly connecting frame, and chain belt winding rollers which are respectively used for connecting two ends of the chain belt are arranged in the chain belt containing box.

In the novel rocker arm driving device of the double-rack soot blower, the chain belt winding roller, the chain belt winding and unwinding motor and the linkage belt wheel are connected through the lifting chain belt, and the upper end of the gear driving motor positioned at the rear end of the soot blower box body is provided with the pressing belt wheel.

When the lifting chain belt is wound, the soot blower traveling box ascends, and conversely descends.

In the novel rocker arm driving device of the double-rack soot blower, the assembly connecting frame comprises an installation cross rod, the upper end of the installation cross rod is provided with an installation plate frame which is arranged in parallel, and the chain belt collecting and releasing motor and the chain belt collecting box are respectively arranged at two ends of the installation plate frame.

In the novel rocker arm driving device of the double-rack soot blower, limiting parts are arranged on the output shafts of the chain belt winding and unwinding motor and positioned on two sides of the lifting chain belt. The setting of spacing portion can prevent to promote the condition that the soot blower walking case skew appears shifting when the chain belt rolling or unreeling.

Compared with the prior art, the utility model has the advantages that: the operation is simple, the use is convenient, the soot blower traveling box can be driven to axially move through the mutual cooperation of the gear driving mechanism and the sliding linkage mechanism, and the soot blower traveling box can be driven to lift by utilizing the lifting driving assembly, so that the overhaul position of the soot blower traveling box is adjusted, and the safe and efficient overhaul is realized.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the sliding linkage of the present utility model engaged with a gear drive mechanism;

FIG. 4 is a schematic view of the gear drive mechanism of the present utility model;

FIG. 5 is a side view of the fixed connection assembly of the present utility model;

FIG. 6 is a schematic view of a lift drive assembly according to the present utility model;

in the figure: the soot blower traveling box 1, the soot blower gun barrel 11, the sliding linkage mechanism 2, the sliding connection top plate 21, the connecting rod 22, the linkage bottom plate 23, the sliding lifting box 24, the lifting cross rod 25, the sliding guide groove 26, the fixed connection assembly 3, the connecting plate frame 31, the sliding yielding through groove 32, the detachable connection mechanism 33, the connecting seat 331, the connecting screw 332, the connecting block 333, the locking screw 334, the gear driving mechanism 4, the driven rack 41, the driving chain belt 42, the gear driving motor 43, the assembly connecting frame 5, the lifting connecting rod 51, the lifting slide groove 52, the mounting cross rod 53, the mounting plate frame 54, the lifting driving assembly 6, the linkage belt pulley 61, the chain belt collecting and releasing motor 62, the chain belt collecting box 63, the chain belt winding roller 64, the lifting chain belt 65, the pressing belt pulley 66 and the limiting part 67.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

As shown in fig. 1-6, a novel rocker arm driving device of a double-rack soot blower comprises a soot blower traveling box 1, a soot blower barrel 11 is arranged in the soot blower traveling box 1, a sliding linkage mechanism 2 for hoisting the soot blower traveling box 1 is arranged at the upper end of the soot blower traveling box 1, fixed connection components 3 connected with the sliding linkage mechanism 2 are arranged at two sides of the soot blower traveling box 1, a gear driving mechanism 4 meshed with the bottom of the sliding linkage mechanism 2 is axially arranged in the soot blower traveling box 1, lifting and lowering of two sides of the soot blower traveling box 1 are arranged at the lower end of an assembly connecting frame 5, and a lifting driving component 6 capable of driving the gear driving mechanism 4 to lift and lower the soot blower traveling box 1 passively is arranged at the upper end of the assembly connecting frame 5.

The gear driving mechanism 4 drives the sliding linkage mechanism 2 to axially move, the sliding linkage mechanism 2 is utilized to drive the soot blower traveling box 1 to axially move, and when the lifting driving assembly 6 drives the gear driving mechanism 4 to lift, the gear driving mechanism 4 is meshed with the bottom of the sliding linkage mechanism 2, and when the gear driving mechanism 4 ascends, the sliding linkage mechanism 2 pulls the soot blower traveling box 1 to synchronously lift.

The sliding linkage mechanism 2 is provided with a sliding connection top plate 21, the sliding connection top plate 21 is connected with a linkage bottom plate 23 through a connecting rod 22 which is vertically arranged, a sliding lifting box body 24 is arranged in the circumferential direction of the soot blower traveling box 1, the upper end of the sliding lifting box body 24 is provided with a lifting cross rod 25, the bottom of the lifting cross rod 25 is provided with a sliding guide groove 26, and the sliding connection top plate 21 is arranged in the sliding guide groove 26 in a sliding mode.

The soot blower traveling box 1 is fixedly arranged in the sliding lifting box body 24, and the sliding guide groove 26 is used for lifting and guiding the sliding linkage mechanism 2 in a sliding manner.

Further, the lower end of the assembly connecting frame 5 is provided with a lifting connecting rod 51, the lifting connecting rod 51 is provided with a lifting chute 52, and the lifting cross rod 25 is arranged in the lifting chute 52 in a sliding and lifting manner.

When the sliding lifting box 24 lifts, the soot blower traveling box 1 positioned in the sliding lifting box 24 lifts synchronously.

Visibly, the gear driving mechanism 4 comprises a driven rack 41 arranged at the lower end of the linkage bottom plate 23, a driving chain belt 42 is arranged in the soot blower traveling box 1, two ends of the driving chain belt 42 are driven by gear driving motors 43 arranged at two sides of the soot blower traveling box 1, an output shaft of the gear driving motor 43 is arranged in the driving chain belt 42 and meshed with the inner wall of the driving chain belt 42, and the outer wall of the driving chain belt 42 is meshed with the driven rack 41.

When the output shaft of the gear drive motor 43 rotates, the link plate 23 moves axially when the drive chain belt 42 rotates.

Obviously, the fixed connection assembly 3 comprises a connection plate frame 31 connected with two sides of the soot blower traveling box 1, a sliding abdication through groove 32 for the output shaft of the gear driving motor 43 to penetrate is axially arranged on the connection plate frame 31, and the upper end of the connection plate frame 31 is connected with the linkage bottom plate 23 through a detachable connection mechanism 33.

The sliding giving way groove 32 is not contacted with the output shaft of the gear driving motor 43.

Further, the detachable connection mechanism 33 includes a connection base 331, a connection block 333 is connected to the connection base 331 through a connection screw 332, and the connection block 333 is connected to the linkage bottom plate 23 through a locking screw 334.

Specifically, the lifting driving assembly 6 comprises a linkage belt wheel 61 arranged at one end, far away from the driving chain belt 42, of the gear driving motor 43, a chain belt collecting and releasing motor 62 is arranged on the assembly connecting frame 5, a chain belt containing box 63 is further arranged on the assembly connecting frame 5, and chain belt winding rollers 64 respectively used for connecting two ends of a chain belt are arranged in the chain belt containing box 63.

The chain belt winding roller 64 is used for unreeling and reeling the lifting chain belt 65, and the chain belt reeling and unreeling motor 62 and the gear driving motor 43 positioned at the rear side are synchronously started and have the same rotation speed, so that the lengths of the front and rear reeling and unreeling lifting chain belts 65 are ensured to be the same.

More specifically, the chain belt winding roller 64, the chain belt winding and unwinding motor 62, and the interlocking pulley 61 are connected by a lifting chain belt 65, and a pinch pulley 66 is provided at the upper end of the gear driving motor 43 located at the rear end of the sootblower case. The pinch pulley 66 is used to ensure vertical lift.

In detail, the assembly connection rack 5 includes a mounting cross bar 53, a mounting plate rack 54 disposed parallel to each other is provided at an upper end of the mounting cross bar 53, and the above-mentioned chain belt winding and unwinding motor 62 and chain belt storage box 63 are disposed at both ends of the mounting plate rack 54, respectively.

Preferably, a limiting part 67 is arranged on the output shaft of the chain belt winding and unwinding motor 62 and positioned on two sides of the lifting chain belt 65. The stopper 67 is used to prevent stability during operation of the lifting chain belt 65 from being shifted.

In summary, the principle of this embodiment is as follows: the gear drive motor 4 is started, the drive chain belt 42 drives the sliding linkage mechanism 2 to axially slide, and because the sliding linkage mechanism 2 is connected with the soot blower traveling box 1 through the fixed connection assembly 3, when the sliding linkage mechanism 2 axially moves, the soot blower traveling box 1 synchronously moves, the lifting chain belt 65 is wound through the lifting drive assembly 6, the gear drive motor 43 positioned at two ends is forced to lift, and because the drive chain belt 42 meshed with the output shaft of the gear drive motor 43 is meshed with the driven rack 41 at the bottom of the sliding linkage mechanism 2, the sliding linkage mechanism 2 can be driven to lift, and because the sliding linkage mechanism 2 is arranged at the bottom of the lifting cross rod 25 of the sliding lifting box 24 in a sliding manner, the sliding lifting box 24 synchronously lifts, so that the lifting of the soot blower traveling box 1 positioned in the sliding lifting box 24 is realized.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although the terms of the sootblower traveling box 1, the sootblower lance tube 11, the sliding linkage 2, the sliding connection top plate 21, the connecting rod 22, the linkage bottom plate 23, the sliding lifting box 24, the lifting rail 25, the sliding guide groove 26, the fixed connection assembly 3, the connection plate rack 31, the sliding relief passage groove 32, the detachable connection mechanism 33, the connection seat 331, the connection screw 332, the connection block 333, the lock screw 334, the gear drive mechanism 4, the driven rack 41, the drive chain belt 42, the gear drive motor 43, the assembly connection frame 5, the lifting connection rod 51, the lifting guide groove 52, the mounting rail 53, the mounting plate rack 54, the lifting drive assembly 6, the linkage pulley 61, the chain belt housing motor 62, the chain belt housing box 63, the chain belt winding roller 64, the lifting chain belt 65, the pinch pulley 66, the stopper 67, and the like are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The utility model provides a novel rocking arm drive arrangement of double rack soot blower, includes soot blower walking case (1), soot blower walking case (1) in be equipped with soot blower barrel (11), its characterized in that, soot blower walking case (1) upper end be equipped with slide linkage (2) that are used for hoist and mount soot blower walking case (1), soot blower walking case (1) both sides are equipped with fixed connection subassembly (3) that link to each other with slide linkage (2), soot blower walking case (1) in be equipped with slide linkage (2) bottom intermeshing's gear drive mechanism (4), soot blower walking case (1) both sides lift set up in assembly connection frame (5) lower extreme, and assembly connection frame (5) upper end be equipped with thereby can drive gear drive mechanism (4) lift make soot blower walking case (1) passive lift drive subassembly (6).

2. The novel rocker arm driving device of the double-rack soot blower according to claim 1, wherein the sliding linkage mechanism (2) is provided with a sliding connection top plate (21), the sliding connection top plate (21) is connected with a linkage bottom plate (23) through a connecting rod (22) which is vertically arranged, a sliding lifting box body (24) is circumferentially arranged on the soot blower walking box (1), a lifting cross rod (25) is arranged at the upper end of the sliding lifting box body (24), a sliding guide groove (26) is arranged at the bottom of the lifting cross rod (25), and the sliding connection top plate (21) is arranged in the sliding guide groove (26) in a sliding mode.

3. The novel rocker arm driving device of the double-rack soot blower according to claim 2, wherein the lower end of the assembly connecting frame (5) is provided with a lifting connecting rod (51), the lifting connecting rod (51) is provided with a lifting chute (52), and the lifting cross rod (25) is arranged in the lifting chute (52) in a sliding and lifting manner.

4. The novel rocker arm driving device of the double-rack soot blower according to claim 2, wherein the gear driving mechanism (4) comprises a driven rack (41) arranged at the lower end of the linkage bottom plate (23), a driving chain belt (42) is arranged inside the soot blower traveling box (1), two ends of the driving chain belt (42) are driven by gear driving motors (43) arranged at two sides of the soot blower traveling box (1), and an output shaft of the gear driving motor (43) is arranged in the driving chain belt (42) and meshed with the inner wall of the driving chain belt (42), and the outer wall of the driving chain belt (42) is meshed with the driven rack (41).

5. The novel rocker arm driving device of the double-rack soot blower according to claim 4, wherein the fixed connection assembly (3) comprises connection plate frames (31) connected with two sides of the soot blower traveling box (1), sliding yielding through grooves (32) which can be penetrated by an output shaft of a gear driving motor (43) are axially formed in the connection plate frames (31), and the upper ends of the connection plate frames (31) are connected with the linkage bottom plate (23) through a detachable connection mechanism (33).

6. The novel rocker arm driving device of the double-rack soot blower according to claim 5, wherein the detachable connection mechanism (33) comprises a connection seat (331), the connection seat (331) is connected with a connection block (333) through a connection screw (332), and the connection block (333) is connected with the linkage bottom plate (23) through a locking screw (334).

7. The novel rocker arm driving device of the double-rack soot blower according to claim 4, wherein the lifting driving assembly (6) comprises a linkage belt wheel (61) arranged at one end of a gear driving motor (43) far away from a driving chain belt (42), a chain belt collecting and releasing motor (62) is arranged on the assembly connecting frame (5), a chain belt containing box (63) is arranged on the assembly connecting frame (5), and chain belt winding rollers (64) respectively used for connecting two ends of a chain belt are arranged in the chain belt containing box (63).

8. The novel rocker arm driving device of the double-rack soot blower according to claim 7, wherein the chain belt winding roller (64), the chain belt winding and unwinding motor (62) and the linkage belt wheel (61) are connected through a lifting chain belt (65), and a pressing belt wheel (66) is arranged at the upper end of a gear driving motor (43) positioned at the rear end of the soot blower box body.

9. The novel rocker arm driving device of the double-rack soot blower according to claim 8, wherein the assembly connecting frame (5) comprises an installation cross rod (53), an installation plate frame (54) which is arranged in parallel is arranged at the upper end of the installation cross rod (53), and the chain belt collecting and releasing motor (62) and the chain belt collecting box (63) are respectively arranged at two ends of the installation plate frame (54).

10. The novel rocker arm driving device of the double-rack soot blower according to claim 7, wherein limiting parts (67) are arranged on the output shaft of the chain belt collecting and releasing motor (62) and positioned on two sides of the lifting chain belt (65).