CN112683063A - Sintering machine trolley breast board and positioning and mounting method - Google Patents
Sintering machine trolley breast board and positioning and mounting method Download PDFInfo
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- CN112683063A CN112683063A CN202110101955.6A CN202110101955A CN112683063A CN 112683063 A CN112683063 A CN 112683063A CN 202110101955 A CN202110101955 A CN 202110101955A CN 112683063 A CN112683063 A CN 112683063A
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Abstract
The invention relates to high-temperature pellet sintering equipment, in particular to a sintering trolley breast board for the high-temperature pellet sintering equipment and a positioning and mounting method. Comprises a trolley, a breast board and a positioning pin; the lower flange at the bottom of the breast board is provided with a plurality of breast board positioning pin holes and bolt holes, the breast board positioning pin holes are matched with the positioning pins, and the top of the breast board is provided with a reinforcing rib plate; the trolley upper flange is provided with a plurality of trolley positioning pin holes and bolt holes corresponding to the breast board positioning pin holes, and one trolley positioning pin hole is a long-strip-shaped trolley positioning pin hole; the trolley is connected with the breast board through a positioning pin and a bolt. The trolley breast board is prevented from being loosened, inclined towards the outer side and being scraped and collided with other devices in the using process; prevent the upper portion of breast board from producing the crackle, improve breast board life.
Description
Technical Field
The invention relates to high-temperature pellet sintering equipment, in particular to a sintering trolley breast board for the high-temperature pellet sintering equipment and a positioning and mounting method.
Background
The sintering machine is the main equipment for sintering high-temperature pellets, the sintering trolley is the main operation part of the sintering machine, the main function is to form an operation rotary chain between head wheels and tail wheels of the sintering machine, the upper horizontal section receives sintering mixed materials, and the sintering mixed materials return to the head wheels after preheating, ignition, sintering, cooling and material turning, so as to form transmission circulation and achieve the purpose of sintering the materials.
In order to improve the capacity of the sintered ore and meet the requirement of a blast furnace on the yield of the sintered ore after the proportion of the sintered ore is improved, a plurality of iron works carry out capacity expansion transformation on sintering machines in a sintering workshop, and the clearance between a breast board and an ignition device is smaller due to the capacity expansion of a sintering line of the iron works. The fence plates are arranged on two sides of the upper portion of the sintering machine trolley, the fence plates and the trolley body are fixed through bolts, and due to the fact that gaps exist between the bolts and bolt holes, the fence plates are deformed by bolt gaskets due to the acting force and the thermal action of materials in the operation process of the sintering machine trolley body, the fence plates incline outwards due to loosening of the bolts and are in scraping collision with an ignition device, and normal operation of production is affected. In addition, the conventional breast board is easy to crack, and the service life of the breast board is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a trolley breast board of a sintering machine and a positioning and mounting method. The trolley breast board is prevented from being loosened, inclined towards the outer side and being scraped and collided with other devices in the using process; prevent the upper portion of breast board from producing the crackle, improve breast board life.
In order to achieve the purpose, the invention adopts the following technical scheme:
a trolley breast board connecting structure of a sintering machine comprises a trolley, a breast board and a positioning pin; the lower flange at the bottom of the breast board is provided with a plurality of breast board positioning pin holes and bolt holes, the breast board positioning pin holes are matched with the positioning pins, and the top of the breast board is provided with a reinforcing rib plate; the trolley upper flange is provided with a plurality of trolley positioning pin holes and bolt holes corresponding to the breast board positioning pin holes, and one trolley positioning pin hole is a long-strip-shaped trolley positioning pin hole; the trolley is connected with the breast board through a positioning pin and a bolt.
The upper part of the positioning pin is provided with a taper pin, and the lower part of the positioning pin is provided with a stud.
The lower flange at the bottom of the breast board is provided with two breast board positioning pin holes, the upper flange of the trolley is provided with two trolley positioning pin holes, and the positions of the trolley positioning pin holes correspond to the breast board positioning pin holes; the two breast board locating pin holes are conical holes, one of the two trolley locating pin holes is a conical hole, and the other is a long-strip-shaped conical hole.
The thickness of the reinforcing rib is larger than the wall thickness of the breast board.
A method for positioning and installing a sintering machine trolley breast board specifically comprises the following steps:
1) determining the size of a positioning pin according to the specification and the size of a sintering machine trolley and a breast board, wherein each breast board is provided with two positioning pins;
2) adopting a conical positioning pin, wherein the positioning pin adopts T10A or 20 steel for surface carburizing and quenching;
3) two conical holes are formed in a lower flange at the bottom of the breast board, and a conical hole and a long-strip-shaped conical hole are formed in the position, corresponding to the locating pin hole of the breast board, on the flange at the connecting part of the upper part of the sintering machine trolley and the breast board;
4) manufacturing a taper pin according to the size of the taper hole, wherein a stud is arranged at the lower part of the taper pin;
5) when the breast board is installed and replaced, aligning the breast board positioning pin hole with the trolley body positioning pin hole, inserting a positioning pin, beating with a hammer to tightly combine the positioning pin with the pin hole, and screwing a nut on a stud at the lower part of the positioning pin;
6) and connecting and fixing the breast board and the trolley by using bolts, nuts and gaskets according to the sizes and the positions of the openings of the lower flange of the breast board and the upper flange of the trolley.
Compared with the prior art, the invention has the beneficial effects that:
1) the connecting structure of the sintering machine trolley breast board and the trolley body is characterized in that the connecting structure comprises a connecting bolt, a pin hole is arranged on the connecting bolt, and the pin hole is provided with a positioning pin.
2) The existing breast boards are all cracked at the upper parts, the reinforcing ribs are arranged at the upper parts of the breast boards, the cracks at the upper parts of the breast boards can be prevented, and the service lives of the breast boards are prolonged
2) The invention is provided with the strip-shaped conical hole, the fence plate is convenient to install, and the fence plate can freely expand and contract under the high-temperature working state.
3) The lower part of the positioning pin is provided with a stud, and a nut is screwed on the stud to prevent the positioning pin from loosening and falling off in the operation process of the sintering machine trolley body.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic front view of the balustrade construction of the present invention;
FIG. 3 is a schematic side view of the balustrade construction of the present invention;
FIG. 4 is a schematic top view of a balustrade construction of the present invention;
FIG. 5 is a schematic front view of the trolley structure of the present invention;
FIG. 6 is a schematic side view of the trolley structure of the present invention;
FIG. 7 is a schematic top view of the trolley structure of the present invention;
FIG. 8 is a schematic view of the locating pin structure of the present invention.
In the figure: 1-trolley 2-breast board 3-positioning pin 11-upper flange 12-conical hole 13-elongated conical hole 21-lower flange 22-breast board positioning pin hole 23-bolt hole 24-reinforcing rib 31-conical pin 32-stud 33-nut
Detailed Description
The following further illustrates embodiments of the invention, but is not intended to limit the scope thereof:
as shown in fig. 1, a sintering machine trolley sideboard connecting structure comprises a trolley 1, a sideboard 2 and a positioning pin 3.
As shown in fig. 8, positioning pin 3 has a taper pin 31 at its upper portion and a stud 32 at its lower portion.
As shown in fig. 2 to 4, two fence positioning pin holes 22 are symmetrically formed in two sides of the fence bottom lower flange 21, each of the two fence positioning pins 22 is a conical hole, the fence positioning pin holes 22 are matched with the conical pins 31, and the fence bottom lower flange 21 is provided with a plurality of bolt holes 23. 2 tops of breast board are equipped with strengthening rib 24, and the thickness of strengthening rib 24 is greater than 2 wall thicknesses of breast board, and strengthening rib 24 can prevent 2 upper portions of breast board to produce the crackle, improves 2 life of breast board.
As shown in fig. 5 to 7, the flange 11 on the trolley 1 is provided with two trolley positioning pin holes, and the positions of the trolley positioning pin holes correspond to the breast board positioning pin holes 22. One of the two trolley positioning pin holes is a conical hole 12, and the other is a long strip-shaped conical hole 13.
As shown in fig. 1 to 8, a method for positioning and installing a sintering machine trolley sideboard specifically comprises:
1) according to the specification and the size of the sintering machine trolley 1 and the breast boards 2, the size of the positioning pin 3 is determined, and each breast board 2 is provided with two positioning pins 3.
2) The locating pin 3 is made of T10A or 20 steel through surface carburizing and quenching.
3) Two breast board positioning pin holes 22 are formed in a lower flange 21 at the bottom of a breast board 2, and a conical hole 12 and a long-strip-shaped conical hole 13 are formed in the positions corresponding to the pin holes of a flange 11 on the connecting part of the upper part of a sintering machine trolley 1 and the breast board; the long-strip-shaped conical hole 13 is formed for the convenience of installation of the breast board 2 and the free expansion and contraction of the breast board 2 in a high-temperature working state.
4) The taper pin 31 is made according to the size of the taper hole, and the lower part of the taper pin is a stud 32.
5) When installing and replacing the breast board 2, aligning the breast board positioning pin hole 22 with the trolley body positioning pin hole, inserting the positioning pin 3, beating with a hammer to tightly combine the positioning pin 3 with the pin hole, and screwing a nut 33 on a stud at the lower part of the positioning pin 3; the positioning pin 3 is prevented from loosening and falling off in the operation process of the sintering pallet 1.
6) And connecting and fixing the breast board 2 and the trolley 1 by using bolts, nuts and gaskets according to the size and the position of the openings of the lower flange 21 of the breast board 2 and the upper flange 11 of the trolley 1.
The invention avoids the trolley breast board 2 from loosening, inclining outwards and being scraped and collided with other devices in the using process; prevent 2 upper portions of breast board from producing the crackle, improve 2 life of breast board.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a sintering machine platform truck breast board connection structure which characterized in that: comprises a trolley, a breast board and a positioning pin; the lower flange at the bottom of the breast board is provided with a plurality of breast board positioning pin holes and bolt holes, the breast board positioning pin holes are matched with the positioning pins, and the top of the breast board is provided with a reinforcing rib plate; the trolley upper flange is provided with a plurality of trolley positioning pin holes and bolt holes corresponding to the breast board positioning pin holes, and one trolley positioning pin hole is a long-strip-shaped trolley positioning pin hole; the trolley is connected with the breast board through a positioning pin and a bolt.
2. The sintering machine trolley breast board connecting structure according to claim 1, characterized in that: the upper part of the positioning pin is provided with a taper pin, and the lower part of the positioning pin is provided with a stud.
3. The sintering machine trolley breast board connecting structure according to claim 1, characterized in that: the lower flange at the bottom of the breast board is provided with two breast board positioning pin holes, the upper flange of the trolley is provided with two trolley positioning pin holes, and the positions of the trolley positioning pin holes correspond to the breast board positioning pin holes; the two breast board locating pin holes are conical holes, one of the two trolley locating pin holes is a conical hole, and the other is a long-strip-shaped conical hole.
4. The sintering machine trolley breast board connecting structure according to claim 1, characterized in that: the thickness of the reinforcing rib is larger than the wall thickness of the breast board.
5. A sintering machine trolley breast board positioning and mounting method based on the sintering machine trolley breast board connecting structure of claim 1, 2, 3 or 4 is characterized by comprising the following steps:
1) determining the size of a positioning pin according to the specification and the size of a sintering machine trolley and a breast board, wherein each breast board is provided with two positioning pins;
2) adopting a conical positioning pin, wherein the positioning pin adopts T10A or 20 steel for surface carburizing and quenching;
3) two conical holes are formed in a lower flange at the bottom of the breast board, and a conical hole and a long-strip-shaped conical hole are formed in the position, corresponding to the locating pin hole of the breast board, on the flange at the connecting part of the upper part of the sintering machine trolley and the breast board;
4) manufacturing a taper pin according to the size of the taper hole, wherein a stud is arranged at the lower part of the taper pin;
5) when the breast board is installed and replaced, aligning the breast board positioning pin hole with the trolley body positioning pin hole, inserting a positioning pin, beating with a hammer to tightly combine the positioning pin with the pin hole, and screwing a nut on a stud at the lower part of the positioning pin;
6) and connecting and fixing the breast board and the trolley by using bolts, nuts and gaskets according to the sizes and the positions of the openings of the lower flange of the breast board and the upper flange of the trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110101955.6A CN112683063A (en) | 2021-01-26 | 2021-01-26 | Sintering machine trolley breast board and positioning and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110101955.6A CN112683063A (en) | 2021-01-26 | 2021-01-26 | Sintering machine trolley breast board and positioning and mounting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112683063A true CN112683063A (en) | 2021-04-20 |
Family
ID=75459179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110101955.6A Pending CN112683063A (en) | 2021-01-26 | 2021-01-26 | Sintering machine trolley breast board and positioning and mounting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112683063A (en) |
-
2021
- 2021-01-26 CN CN202110101955.6A patent/CN112683063A/en active Pending
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