CN214006490U

CN214006490U - Maintenance platform capable of being tightly pressed against side wall of hearth

Info

Publication number: CN214006490U
Application number: CN202022039308.0U
Authority: CN
Inventors: 章兴昌
Original assignee: Changzhou Changjiang Electric Machinery Factory Co ltd
Current assignee: Changzhou Changjiang Electric Machinery Factory Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-08-20
Anticipated expiration: 2030-09-16

Abstract

The utility model provides a can with the tight maintenance platform in furnace lateral wall top, include: the hanging bracket is controlled by the driving mechanism to move in the hearth; the maintenance room is arranged on the hanging bracket; one end of the first sliding rod is connected with the hanging bracket, and the other end of the first sliding rod extends towards the inner wall of the hearth; the supporting wheel is arranged at one end, far away from the hanging bracket, of the first sliding rod, and the supporting wheel is supported on the inner wall of the hearth. The inner wall of the hearth is supported through the first slide bar, so that the suspension frame can be kept stable in the ascending and descending processes, and can slide tightly against the inner wall of the hearth according to the first slide bar and the support wheels. Not only solved the steady problem that slides of gallows, can also keep supporting between gallows and the furnace inner wall to push up tightly when the gallows arrives and predetermines the position, prevent that the gallows from taking place to rock.

Description

Maintenance platform capable of being tightly pressed against side wall of hearth

Technical Field

The utility model relates to a can with the tight maintenance platform in furnace lateral wall top.

Background

The boiler furnace overhauls the platform is high-efficient, multi-functional high altitude maintenance construction operation machines in the furnace, and it has replaced traditional scaffold frame, through the maintainer operation, makes the platform adjust required position construction operation. The furnace hearth furnace has the characteristics of reasonable structure, convenience in use, safety, reliability, high working efficiency, light labor intensity, short overhaul period and the like, is a shaped product widely applied in the existing thermal power industry, can be used for overhauling each part in a furnace hearth, and is already put into use in domestic large and medium power stations.

Most boiler furnace overhauls platform all is the platform structure frame that the I-shaped aluminium alloy that adopts the 2A12 material formed through the assembly of steel connecting piece, consequently, the platform that adopts this kind of structure and the springboard of laying all around, and the dead weight just can be up to 4 tons more. Therefore, for production enterprises, how to reduce the self weight of the boiler furnace overhaul platform is an important research direction for the development of the existing furnace overhaul platform.

In order to reduce the overall weight of the maintenance platform, under the condition of considering the cost, a cheaper light material aluminum alloy connecting piece is selected to replace a steel connecting piece, which is a technical means easily thought by technicians in the field. And usually in order to make gallows lift process more steady, can leave certain distance between gallows and the furnace inner wall, prevent gallows lift in-process and furnace inner wall bump.

But among the maintainer operation process, interval can lead to the whole emergence of gallows to rock between gallows and the furnace inner wall.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: prevent that the maintainer from taking place to rock when overhauing the operation gallows.

The utility model provides a technical scheme that its technical problem adopted is: an overhaul platform capable of abutting a hearth side wall, comprising:

the hanging bracket is controlled by the driving mechanism to move in the hearth;

the maintenance room is arranged on the hanging bracket;

one end of the first sliding rod is connected with the hanging bracket, and the other end of the first sliding rod extends towards the inner wall of the hearth;

the supporting wheel is arranged at one end, far away from the hanging bracket, of the first sliding rod, and the supporting wheel is supported on the inner wall of the hearth.

The service platform further comprises:

the first support rod is arranged on the hanging bracket, is controlled by the power component and has a storage state and a support state;

and the supporting base block is arranged at the supporting end of the first supporting rod, and when the first supporting rod is in a supporting state, the supporting base block extends towards the inner wall of the hearth relative to the hanging bracket and abuts against the inner wall of the hearth.

The support base block includes:

the first elastic layer is arranged on the supporting base blocks, and when the first supporting rods are in a supporting state, the first elastic layer is clamped between the inner wall of the hearth and the supporting base blocks.

The first slide bar comprises: the first sliding seat is arranged on the hanging bracket, and a sliding channel for the first sliding rod to slide is arranged on the first sliding seat;

the first elastic piece is arranged in the sliding channel and used for supporting the first sliding rod.

The buffer seat rotates to be connected on the first slide bar, the supporting wheel is located on the buffer seat, the buffer seat with even there is the torsional spring between the first slide bar.

The maintenance room is rotatably connected to the hanging bracket, the hanging bracket is provided with a first guide rail, and a plurality of weight reducing through holes are formed in the annular space, corresponding to the first guide rail, of the hanging bracket.

The service platform further comprises:

the transmission frame is rotatably connected to the hanging frame, the maintenance room is arranged on the transmission frame, the hanging frame is provided with a motor, the motor is located at the geometric center of the hanging frame, and the output end of the motor is connected with the transmission frame.

The motor is a self-locking motor.

The utility model has the advantages that:

1. the utility model provides a can with the tight maintenance platform in furnace inner wall top, support the furnace inner wall through first slide bar, make the crane in rise and decline in-process, can keep keeping steady, can also hug closely the furnace inner wall and slide according to first slide bar and supporting wheel. Not only solved the steady problem that slides of gallows, can also keep supporting between gallows and the furnace inner wall to push up tightly when the gallows arrives and predetermines the position, prevent that the gallows from taking place to rock.

2. The utility model provides a can with the tight maintenance platform in furnace inner wall top, when the gallows reachd preset position, first bracing piece stretches out for the gallows, then supports on the furnace inner wall. When a plurality of first bracing pieces all support behind the furnace inner wall, first bracing piece can't further stretch out, makes whole gallows supported on current plane. The gallows is fixed for the furnace inner wall this moment, guarantees that the maintainer keeps steadily at the maintenance in-process. The shaking of the motor in the process of driving the transmission frame to rotate can be overcome and reduced.

3. The utility model provides a can with the tight maintenance platform in furnace inner wall top, the buffer seat can take place local rotation for first slide bar when the unevenness of furnace inner wall to play the effect of buffering regulation, improve the stability of gallows operation the maintenance room rotates to be connected on the gallows, be equipped with first guide rail on the gallows, correspond on the gallows be equipped with a plurality of heavy thru holes that subtract in the annular space of first guide rail. When the hanger moves to a preset position, the first supporting rod extends out of the support to position the hanger, the supporting effect of the supporting wheel is reduced, the buffering performance of the buffering seat is reduced, and the operation stability of the hanger is further improved. Not only can not tightly push against the inner wall of the hearth in the operation process of the hanging bracket, but also can keep in a tightly pushing state with the inner wall of the hearth in the operation process of the hanging bracket.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view showing that the maintenance platform is supported on the inner wall of a hearth through supporting wheels when ascending or descending in the hearth;

FIG. 2 is a top plan view showing the structure of the service platform;

FIG. 3 is a cross-sectional view showing a first slide bar construction at A-A in FIG. 2;

fig. 4 is a schematic view showing a state where the service door is rotated to be opened to the outside;

fig. 5 is a schematic view showing the structure of the first elastic layer.

In the figure: 1. a hanger; 11. a transmission substrate; 111. a second guide rail; 12. a transmission frame; 121. a drive member; 122. mounting a plate; 123. a first reinforcing rib; 124. a counterweight platform; 125. a counterweight load; 126. an installation part; 13. a motor; 14. weight-reducing through holes; 15. a first guide rail; 2. an overhaul room; 21. a movable door; 22. A door lock assembly; 23. a support block; 24. a safety bar; 25. an illuminating lamp; 3. a first slide bar; 31. a first slider; 32. a first elastic member; 33. a first guide post; 34. a buffer seat; 35. a support wheel; 4. a sling; 41. a hanging seat; 42. a first cover body; 43. a second cover body; 44. fixing the rod; 45. a abdication through hole; 46. A boss portion; 48. a first bolt hole; 49. a limiting column; 5. a first support bar; 51. a first support base block; 52. a first elastic layer; 6. a guide wheel; 61. a main body frame; 62. a drive section; 64. a second elastic layer; 65. a link section; 66. a main shaft; 67. a reinforcing bar; 68. and a second reinforcing rib.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

The utility model provides a can with the tight maintenance platform in furnace lateral wall top, as shown in fig. 1, fig. 2, include: the hanging bracket 1 is controlled by the driving mechanism to move in the hearth; the maintenance room 2 is arranged on the hanging bracket 1; one end of the first sliding rod 3 is connected with the hanging bracket 1, and the other end of the first sliding rod extends towards the inner wall of the hearth; the supporting wheel 35 is arranged at one end of the first sliding rod 3 far away from the hanger 1, and the supporting wheel 35 is supported on the inner wall of the hearth. The inner wall of the hearth is supported by the first slide bar 3, so that the hanger 1 can keep stable in the ascending and descending processes, and can slide closely to the inner wall of the hearth according to the first slide bar 3 and the supporting wheels 35. Not only solved the problem that gallows 1 steadily slided, can also keep supporting between gallows 1 and the furnace inner wall to push up tightly when gallows 1 reachs preset position, prevent that gallows 1 from taking place to rock.

Wherein, the maintenance platform still includes: the first support rod 5 is arranged on the hanger 1, is controlled by a power component, and has a storage state and a support state in the first support rod 5; and the supporting base block is arranged at the supporting end of the first supporting rod 5, and when the first supporting rod 5 is in a supporting state, the supporting base block extends towards the inner wall of the hearth relative to the hanging bracket 1 and abuts against the inner wall of the hearth. When the hanger 1 reaches a predetermined position, the first support rod 5 is protruded with respect to the hanger 1 and then supported on the inner wall of the furnace. When the first support rods 5 are all supported on the inner wall of the hearth, the first support rods 5 cannot extend out further, so that the whole hanger 1 is supported on the current plane. This moment gallows 1 is fixed for the furnace inner wall, guarantees that the maintainer keeps steadily examining and repairing the in-process. And the shaking generated in the process of driving the transmission frame 12 to rotate by the motor 13 can be overcome and reduced.

In this embodiment, with reference to fig. 4 and 5, the supporting base block includes: and the first elastic layer 52 is arranged on the supporting base block, and when the first supporting rod 5 is in a supporting state, the first elastic layer 52 is clamped between the inner wall of the hearth and the supporting base block.

Wherein the first slide bar 3 comprises: the first sliding seat 31 is arranged on the hanger 1, and a sliding channel for the first sliding rod 3 to slide is arranged on the first sliding seat 31; a first elastic element 32 is arranged in the sliding channel to support the first slide bar 3. As shown in fig. 3, a first guiding column 33 is disposed in the sliding channel, and the first guiding column 33 can position the first elastic element 32, and can play a guiding and limiting role in the sliding direction of the first sliding rod 3. The extending and retracting manner of the first sliding rod 3 is not particularly limited, and in the above embodiment, an air cylinder or a push rod motor is further provided on the guide post 33 to drive the first sliding rod 3 to extend or retract.

In this embodiment, the buffer base 34 is rotatably connected to the first sliding rod 3, the supporting wheel 35 is disposed on the buffer base 34, and a torsion spring is connected between the buffer base 34 and the first sliding rod 3. The buffer seat 34 can rotate locally relative to the first sliding rod 3 when the inner wall of the hearth is uneven, so that the buffer adjustment effect is achieved, the lifting operation stability of the hanger 1 is improved, the overhaul chamber 2 is rotatably connected to the hanger 1, the hanger 1 is provided with the first guide rail 15, and a plurality of weight reduction through holes 14 are formed in the annular space, corresponding to the first guide rail 15, of the hanger 1. When the hanger 1 moves to a preset position, the first support rod 5 extends out of the support to position the hanger 1, the support effect of the support wheel 35 is reduced, the buffer performance of the buffer seat 34 is reduced, and the operation stability performance of the hanger 1 is further improved.

Wherein, the maintenance platform still includes: the transmission frame 12 is rotatably connected to the hanging bracket 1, the maintenance room 2 is arranged on the transmission frame 12, the hanging bracket 1 is provided with a motor 13, the motor 13 is located at the geometric center of the hanging bracket 1, and the output end of the motor 13 is connected with the transmission frame 12. The motor 13 is a self-locking motor 13.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a can with tight maintenance platform in furnace lateral wall top which characterized in that: the method comprises the following steps:

the hanging bracket (1) is controlled by the driving mechanism to move in the hearth;

the maintenance room (2) is arranged on the hanging bracket (1);

one end of the first sliding rod (3) is connected with the hanging bracket (1), and the other end of the first sliding rod extends towards the inner wall of the hearth;

the supporting wheel (35) is arranged at one end, far away from the hanging bracket (1), of the first sliding rod (3), and the supporting wheel (35) is supported on the inner wall of the hearth.

2. An overhaul platform according to claim 1 capable of abutting a hearth side wall, wherein: the service platform further comprises:

the first support rod (5) is arranged on the hanger (1), is controlled by a power component and belongs to a storage state and a support state of the first support rod (5);

and the supporting base block (51) is arranged at the supporting end of the first supporting rod (5), and when the first supporting rod (5) is in a supporting state, the supporting base block (51) extends towards the inner wall of the hearth relative to the hanging bracket (1) and is abutted against the inner wall of the hearth.

3. An overhaul platform according to claim 2 capable of abutting a hearth side wall, wherein: the support base block (51) includes:

and the first elastic layer (52) is arranged on the supporting base block (51), and when the first supporting rod (5) is in a supporting state, the first elastic layer (52) is clamped between the inner wall of the hearth and the supporting base block (51).

4. An overhaul platform capable of abutting against a side wall of a hearth according to any one of claims 1 to 3, wherein: the first slide bar (3) comprises:

the first sliding seat (31) is arranged on the hanger (1), and a sliding channel for the first sliding rod (3) to slide is arranged on the first sliding seat (31);

a first elastic element (32) arranged in the sliding channel for supporting the first sliding rod (3).

5. An overhaul platform according to claim 4 capable of abutting a hearth side wall, wherein:

buffer seat (34), rotate to be connected on first slide bar (3), supporting wheel (35) are located on buffer seat (34), buffer seat (34) with even there is the torsional spring between first slide bar (3).

6. An overhaul platform according to claim 5 capable of abutting a hearth side wall, wherein: the overhaul room (2) is rotatably connected to the hanging bracket (1), a first guide rail (15) is arranged on the hanging bracket (1), and a plurality of weight reducing through holes (14) are formed in the annular space, corresponding to the first guide rail (15), of the hanging bracket (1).

7. An overhaul platform according to claim 6 capable of abutting a hearth side wall, wherein: the service platform further comprises:

the transmission frame (12) is rotatably connected to the hanging frame (1), the maintenance room (2) is arranged on the transmission frame (12), a motor (13) is arranged on the hanging frame (1), the motor (13) is located at the geometric center of the hanging frame (1), and the output end of the motor is connected with the transmission frame (12).

8. An overhaul platform according to claim 7 capable of abutting a hearth side wall, wherein:

the motor (13) is a self-locking motor.