CN217057566U

CN217057566U - Active heat-resistant malleable iron fire grate segment

Info

Publication number: CN217057566U
Application number: CN202220636711.8U
Authority: CN
Inventors: 朱攀忠; 卜德忠; 朱厚兵
Original assignee: Liaocheng Pengrong Machinery Parts Co ltd
Current assignee: Liaocheng Pengrong Machinery Parts Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-26
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a refractory grate piece of malleable iron initiative, include: the grate comprises a grate segment body, a first hollow cylinder and a second hollow cylinder; a first hollow cylinder is embedded in the fire grate segment body, the fire grate segment body serves as a bearing foundation, and a second hollow cylinder is arranged on one side of the first hollow cylinder; the groove is formed in the bottom of the grate segment body, one side of the supporting plate is connected with a guide plate, the guide plate is connected in the guide rail in a sliding mode, and the guide rail is connected to the inner side wall of the groove. This refractory grate piece of malleable iron initiative, it is rotatory through two-way threaded rod, make two sets of backup pads outwards remove simultaneously, the card is on the grate inside wall, and then the installation of being convenient for, through spring promotion run through the post pass in the first hollow cylinder, be convenient for then connect between the multiunit grate piece body, through rotatory end plate, make the end plate no longer support at the shrouding front end, then can take out grate piece body to can open the ventilation groove, and then be convenient for improve the ventilation effect.

Description

Active heat-resisting malleable iron fire grate segment

Technical Field

The utility model relates to a boiler technical field specifically is a refractory grate piece of malleable iron initiative.

Background

The grate segment is a plurality of segments used in the grate, is assembled and connected in the grate, is mainly cast by cast iron or malleable iron, and is mainly divided into an active grate segment and a passive grate segment, and the existing active heat-resistant grate segment has certain defects when in use, such as the defects;

the high-strength coke-breaking cast steel fire grate segment disclosed in the publication number CN211011426U comprises a fire grate segment main body and a support rib plate, wherein the fire grate segment main body is divided into an upper part and a lower part which are respectively the upper part and the lower part of the fire grate segment, and the thickness of the upper part of the fire grate segment is larger than that of the lower part of the fire grate segment; the lower part of the fire grate segment is provided with a supporting ribbed plate towards one side, the main body of the fire grate segment is high-strength cast steel, and the bottom of the lower part of the fire grate segment is provided with a U-shaped opening;

this prior art solution also presents the following problems when in use:

1. is not convenient to be clamped in the fire grate;

2. the butt joint assembly among a plurality of groups is inconvenient;

3. the ventilation effect is not convenient to improve;

improvements are needed to address the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a malleable iron heat-resisting fire grate piece of initiative to solve the block of not being convenient for of malleable iron heat-resisting fire grate piece on the existing market that above-mentioned background art provided and in the grate, and the butt joint equipment between the multiunit of not being convenient for, and the problem of the improvement ventilation effect of not being convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: a malleable iron active heat-resisting fire grate segment comprises: the grate comprises a grate segment body, a first hollow cylinder and a second hollow cylinder;

a first hollow cylinder is embedded in the fire grate segment body, the fire grate segment body serves as a bearing foundation, and a second hollow cylinder is arranged on one side of the first hollow cylinder;

the groove is formed in the bottom of the fire grate piece body, a bearing seat is connected above the inner portion of the groove, a bidirectional threaded rod is connected in the bearing seat, a supporting plate is connected to one end of the bidirectional threaded rod in a threaded mode, a guide plate is connected to one side of the supporting plate, the guide plate is connected in the guide rail in a sliding mode, and the guide rail is connected to the inner side wall of the groove.

Preferably, the two-way threaded rod is embedded with a driven bevel gear, one side of the driven bevel gear is meshed with a driving bevel gear, one side of the driving bevel gear is connected with a connecting shaft, the connecting shaft is connected to the inner side wall of the groove in a penetrating mode, the two groups of supporting plates move outwards simultaneously through rotation of the two-way threaded rod and are clamped on the inner side wall of the fire grate, and therefore installation is facilitated.

Preferably, the two ends of the bidirectional threaded rod are respectively provided with one group of the supporting plates, and the two groups of the supporting plates and the bidirectional threaded rod form a linkage structure, so that when the bidirectional threaded rod is rotated, the two groups of the supporting plates can simultaneously move outwards and oppositely.

Preferably, the inner wall of the second hollow cylinder is connected with a U-shaped rod, the U-shaped rod is connected with a guide cylinder in a sliding manner, the guide cylinder is embedded in a transverse plate, and the transverse plate is arranged in the second hollow cylinder;

the spring is connected on the U-shaped rod, spring one end is connected in guide cylinder one end, diaphragm one side is connected with and runs through the post, through the spring promotion run through the post pass first cavity section of thick bamboo in, be convenient for then connect between the multiunit grate segment body.

Preferably, the U-shaped rod, the guide cylinder and the spring are symmetrically arranged in two groups about the central axis of the second hollow cylinder, and the U-shaped rod, the guide cylinder and the spring form a telescopic structure, so that the penetrating column can move in the second hollow cylinder under the action of the spring.

Preferably, the ventilation groove is arranged in the grate segment body, a sliding rail is connected to the bottom surface inside the ventilation groove, a sliding plate is connected to the sliding rail, a sealing plate is connected to the upper portion of the sliding plate, the sealing plate is limited, and the sealing plate can slide back and forth in the ventilation groove.

Preferably, a placing groove is formed in one end of the fire grate segment body, and a bearing is connected in the placing groove;

pivot, one end is connected in the bearing, the pivot other end is connected with the end plate, the inboard connection of end plate is in shrouding one side, be connected with the torsional spring in the pivot, torsional spring one end is connected on the bearing, through rotatory end plate, makes the end plate no longer support at the shrouding front end, can take out the fire grate piece body then to can open the ventilation groove, and then be convenient for improve the ventilation effect.

Preferably, four groups of ventilation grooves, placing grooves and end plates are arranged on the fire grate segment body at equal distances, so that the ventilation range is further enlarged.

Compared with the prior art, the beneficial effects of the utility model are that: this refractory grate piece of malleable iron initiative, it is rotatory through two-way threaded rod, make two sets of backup pads outwards remove simultaneously, the card is on the grate inside wall, and then the installation of being convenient for, through spring promotion run through the post pass in the first hollow cylinder, be convenient for then connect between the multiunit grate piece body, through rotatory end plate, make the end plate no longer support at the shrouding front end, then can take out grate piece body to can open the ventilation groove, and then be convenient for improve the ventilation effect.

1. When the fire grate segment body is placed in the fire grate frame body, the connecting shaft is rotated, the connecting shaft drives the driving bevel gear to rotate, the driving bevel gear drives the driven bevel gear to rotate, the driven bevel gear drives the bidirectional threaded rod to rotate through the bearing seat, the bidirectional threaded rod is in threaded connection with the supporting plate, meanwhile, the supporting plate is in sliding connection with the guide rail through the guide plate, when the bidirectional threaded rod rotates, the two groups of supporting plates can simultaneously move outwards and abut against the two side walls of the fire grate frame body, and therefore the fire grate segment body is convenient to install;

2. firstly, pushing the through column inwards, driving the transverse plate to move through the guide cylinder, moving the transverse plate along the U-shaped rod through the guide cylinder, compressing the spring, accommodating the through column into the second hollow cylinder when the spring is compressed, then placing the first hollow cylinder on one group of grate segment bodies between the two groups of second hollow cylinders in the other group of grate segment bodies, then loosening the through column, rapidly resetting the through column under the action of the spring, penetrating the first hollow cylinder on one group of grate segment bodies, connecting the first hollow cylinder with the second hollow cylinder at one end of the other group of grate segment bodies, and then connecting the grate segment bodies between the two groups of second hollow cylinders of the other group of grate segment bodies, thereby facilitating assembly;

3. after the equipment is accomplished, through bearing and pivot rotating end plate to twist and move the torsional spring, make the end plate no longer support in shrouding one end, then, take the shrouding out and open the ventilation groove, on the same principle, judge as required whether open all the other three ventilation grooves of group, and then enlarge the draught area, improve the ventilation effect, when need not use, slide the shrouding below along the slide rail in the ventilation groove that slides, and loosen the end plate, the end plate is under the effect of torsional spring, automatic re-setting supports in shrouding one end, seals the ventilation groove.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the groove structure of the present invention;

FIG. 4 is an enlarged view of the part A structure of the present invention;

fig. 5 is an enlarged view of the structure of part B of the present invention.

In the figure: 1. a grate segment body; 2. a first hollow cylinder; 3. a second hollow cylinder; 4. a groove; 5. a bearing seat; 6. a bidirectional threaded rod; 7. a support plate; 8. a guide plate; 9. a guide rail; 10. a driven bevel gear; 11. a drive bevel gear; 12. a connecting shaft; 13. a U-shaped rod; 14. a guide cylinder; 15. a transverse plate; 16. a spring; 17. penetrating the column; 18. a ventilation slot; 19. a slide rail; 20. a slide plate; 21. closing plates; 22. a placement groove; 23. a bearing; 24. a rotating shaft; 25. an end plate; 26. a torsion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a malleable iron active heat-resisting fire grate segment comprises: the grate comprises a grate segment body 1, a first hollow cylinder 2 and a second hollow cylinder 3;

inlay on grate piece body 1 and be equipped with first well casing 2, and grate piece body 1 is as bearing the basis, first well casing 2 one side is provided with well casing 3 in the second, recess 4, set up in grate piece body 1 bottom, the inside top of recess 4 is connected with bearing

frame

5, 5 in-connection of bearing frame have two-way threaded

rod

6, 6 one end threaded connection of two-way threaded rod has backup pad 7, 7 one sides of backup pad are connected with

deflector

8, 8 sliding connection of deflector are in guide rail 9, guide rail 9 is connected on 4 inside walls of recess.

The bidirectional threaded rod 6 is connected with a driven bevel gear 10 in an embedded mode, one side of the driven bevel gear 10 is connected with a driving bevel gear 11 in an engaged mode, one side of the driving bevel gear 11 is connected with a connecting shaft 12, and the connecting shaft 12 is connected to the inner side wall of the groove 4 in a penetrating mode. Backup pad 7 respectively is provided with a set ofly at the both ends of two-way threaded rod 6, and two sets of backup pads 7 constitute linkage structure with two-way threaded rod 6, and when making rotatory two-way threaded rod 6, two sets of backup pads 7 can outwards move in opposite directions simultaneously, and is rotatory through two-way threaded rod 6, makes two sets of backup pads 7 outwards move simultaneously, and the card is on the grate inside wall, and then the installation of being convenient for.

Be connected with U-shaped pole 13 on the hollow section of thick bamboo 3 inner wall of second, sliding connection has a guide cylinder 14 on U-shaped pole 13, and guide cylinder 14 inlays and establishes in diaphragm 15, and diaphragm 15 sets up in hollow section of thick bamboo 3 of second, and spring 16 connects on U-shaped pole 13, and spring 16 one end is connected in guide cylinder 14 one end, and diaphragm 15 one side is connected with and runs through post 17. U-shaped pole 13, guide cylinder 14 and spring 16 are provided with two sets ofly about the central axis symmetry of a second cavity section of thick bamboo 3, and U-shaped pole 13, guide cylinder 14 and spring 16 constitute extending structure, make to run through post 17 can be under spring 16's effect, remove in the second cavity section of thick bamboo 3, pass through in first cavity section of thick bamboo 2 through spring 16 promotes to run through post 17, be convenient for then connect between the multiunit fire grate segment body 1.

Set up ventilation groove 18 in the grate segment body 1, be connected with slide rail 19 on the inside bottom surface of ventilation groove 18, slide rail 19 in-connection has slide plate 20, and slide plate 20 top is connected with shrouding 21, restricts shrouding 21, makes shrouding 21 only can slide around in ventilation groove 18. Standing groove 22 has been seted up to 1 one end of fire grate piece body, and standing groove 22 in-connection has bearing 23, pivot 24, and one end is connected in bearing 23, and the pivot 24 other end is connected with end plate 25, and the inboard connection of end plate 25 is connected in shrouding 21 one side, is connected with torsional spring 26 in the pivot 24, and torsional spring 26 one end is connected on bearing 23. Ventilation groove 18, standing groove 22 and end plate 25 equidistance are provided with four groups on grate segment body 1, further enlarge the ventilation zone, through rotatory end plate 25, make end plate 25 no longer support at shrouding 21 front end, can take grate segment body 1 out then to can open ventilation groove 18, and then be convenient for improve ventilation effect.

The working principle is as follows: as shown in fig. 1-5, when using the malleable iron active heat-resistant fire grate segment, the device is simply understood, first, the penetrating column 17 is pushed inwards, the penetrating column 17 drives the transverse plate 15 to move, the transverse plate 15 moves along the U-shaped rod 13 through the guide cylinder 14, the spring 16 is compressed, the penetrating column 17 is received in the second hollow cylinder 3, then the first hollow cylinder 2 on one fire grate segment body 1 is placed between the two groups of second hollow cylinders 3 in the other fire grate segment body 1, then, the penetrating column 17 is loosened, the penetrating column 17 is rapidly reset under the action of the spring 16, penetrates through the first hollow cylinder 2 on one fire grate segment body 1 and is connected with the second hollow cylinder 3 at one end of the other fire grate segment body 1, then the fire grate segment body 1 is connected between the two groups of second hollow cylinders 3 of the other fire grate segment body 1, thereby facilitating the assembly, secondly, when the assembly is completed, the end plate 25 is rotated through the bearing 23 and the rotating shaft 24, and the torsion spring 26 is twisted, so that the end plate 25 is not supported against one end of the closing plate 21, then the closing plate 21 is pulled out to open the ventilation slots 18, similarly, whether the other three groups of ventilation slots 18 are opened or not is judged according to requirements, thereby enlarging the ventilation area and improving the ventilation effect, when the fire grate segment is not needed to be used, the sliding plate 20 below the closing plate 21 slides in the ventilation slots 18 along the sliding rail 19, and the end plate 25 is loosened, the end plate 25 automatically resets under the action of the torsion spring 26, and supports against one end of the closing plate 21 to seal the ventilation slots 18, finally, when the fire grate segment body 1 is put into the fire grate frame body, the connecting shaft 12 is rotated, the connecting shaft 12 drives the driving bevel gear 11 to rotate, the driving bevel gear 11 drives the driven bevel gear 10 to rotate, the driven bevel gear 10 drives the bidirectional threaded rod 6 to rotate through the bearing seat 5, the bidirectional threaded rod 6 is in threaded connection with the supporting plate 7, the supporting plate 7 is in sliding connection with the guide rail 9 through the guide plate 8, when the bidirectional threaded rod 6 rotates, the two groups of supporting plates 7 can move outwards at the same time and abut against two side walls of the fire grate frame body, and therefore the fire grate segment body 1 can be conveniently installed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A malleable iron active heat-resisting fire grate segment comprises: the grate comprises a grate segment body (1), a first hollow cylinder (2) and a second hollow cylinder (3), and is characterized in that the grate segment body is a hollow cylinder;

a first hollow cylinder (2) is embedded in the fire grate segment body (1), and a second hollow cylinder (3) is arranged on one side of the first hollow cylinder (2);

recess (4) is seted up grate segment body (1) bottom, recess (4) inside top is connected with bearing frame (5), bearing frame (5) in-connection has two-way threaded rod (6), two-way threaded rod (6) one end threaded connection has backup pad (7), backup pad (7) one side is connected with deflector (8), deflector (8) sliding connection is in guided way (9), guided way (9) are connected on recess (4) inside wall.

2. The malleable iron active refractory grate segment of claim 1, wherein: the bidirectional threaded rod (6) is embedded with a driven bevel gear (10), one side of the driven bevel gear (10) is meshed with a driving bevel gear (11), one side of the driving bevel gear (11) is connected with a connecting shaft (12), and the connecting shaft (12) is connected to the inner side wall of the groove (4) in a penetrating mode.

3. The malleable iron active refractory grate segment of claim 1, wherein: the two ends of the two-way threaded rod (6) of the supporting plates (7) are respectively provided with one group, and the two groups of supporting plates (7) and the two-way threaded rod (6) form a linkage structure.

4. The malleable iron active refractory grate segment of claim 1, wherein: the inner wall of the second hollow cylinder (3) is connected with a U-shaped rod (13), the U-shaped rod (13) is connected with a guide cylinder (14) in a sliding manner, the guide cylinder (14) is embedded in a transverse plate (15), and the transverse plate (15) is arranged in the second hollow cylinder (3);

the spring (16) is connected to the U-shaped rod (13), one end of the spring (16) is connected to one end of the guide cylinder (14), and one side of the transverse plate (15) is connected with a penetrating column (17).

5. The malleable iron active refractory grate segment of claim 4, wherein: the U-shaped rod (13), the guide cylinder (14) and the spring (16) are symmetrically arranged in two groups about the central axis of the second hollow cylinder (3), and the U-shaped rod (13), the guide cylinder (14) and the spring (16) form a telescopic structure.

6. The malleable iron active refractory grate segment of claim 1, wherein: set up ventilation groove (18) in grate segment body (1), be connected with slide rail (19) on ventilation groove (18) inside bottom surface, slide rail (19) in-connection has slide plate (20), slide plate (20) top is connected with shrouding (21).

7. The active refractory malleable iron fire grate segment as claimed in claim 6, wherein: a placing groove (22) is formed in one end of the fire grate segment body (1), and a bearing (23) is connected in the placing groove (22);

pivot (24), one end is connected in bearing (23), pivot (24) other end is connected with end plate (25), shrouding (21) one side is connected to end plate (25) inboard, be connected with torsional spring (26) on pivot (24), torsional spring (26) one end is connected on bearing (23).

8. The active refractory malleable iron fire grate segment as claimed in claim 7, wherein: four groups of ventilation grooves (18), placing grooves (22) and end plates (25) are arranged on the fire grate segment body (1) at equal distances.