CN217560368U - Locking device of lower grey round door - Google Patents
Locking device of lower grey round door Download PDFInfo
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- CN217560368U CN217560368U CN202220982082.4U CN202220982082U CN217560368U CN 217560368 U CN217560368 U CN 217560368U CN 202220982082 U CN202220982082 U CN 202220982082U CN 217560368 U CN217560368 U CN 217560368U
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Abstract
The utility model relates to a locking device of a lower ash round door, which comprises a round door flange and a lower ash round door which are arranged at the lower ash opening of an ash bin, and also comprises an oil cylinder bracket, a hydraulic oil cylinder, a fixed flange and a bolt; the cross section of the oil cylinder support is in a [ -shape, the upper part of the oil cylinder support is connected to the circular door flange through a bolt, the fixing flange is arranged on the hydraulic oil cylinder, and the hydraulic oil cylinder is arranged at the middle lower part of the outer side of the oil cylinder support through the fixing flange; a piston rod of the hydraulic oil cylinder extends into the inner side of an oil cylinder support to be connected with the bolt, the bolt is tightly attached to the bottom of the lower grey round door, the joint surface of the bolt and the lower grey round door is an inclined surface, and an adjusting bolt is further arranged on the lower portion of the oil cylinder support and abuts against the bottom surface of the bolt to adjust the levelness. The utility model discloses when can effectively preventing to lose oil suddenly, lower grey round door leaks coal gas outward because of losing oil, also can fasten lower grey round door in the coproduction process, avoids closing not tightly and leaking gas because sealed face is mingled with the slag.
Description
Technical Field
The utility model relates to a sealed technical field of ash under the gasifier especially relates to a locking device of ash round door down.
Background
At present, pure oxygen continuous low-pressure gasification process devices among smokeless lump coal and small coke fixed beds in China are gradually increased, the original process is basically a normal-pressure gasification process, water gas is directly connected with a gas holder, the gas production pressure is low, the original oil pressure round door sealing structure can basically meet the requirements, but the oil loss accident can not be avoided, namely, the hydraulic pump can not provide hydraulic power for the oil cylinder due to power failure and other accidents.
As shown in attached figures 1 and 2, the original round door sealing structure is that a lower ash round door is hinged at a lower ash opening of an ash bin of a gasification furnace, the lower ash round door is driven to deflect by opening and closing an oil cylinder, the lower ash opening of the ash bin is opened or closed, and the sealing structure of the round door can basically meet the sealing performance of the lower ash opening of the gasification furnace in a low-pressure working state.
Aiming at the working pressure of the low-pressure pure oxygen gasification furnace of 0.005-0.09MPa, the circular door sealing structure has the condition of more or less air leakage in the normal production process, the safety and the reliability are low, and safety accidents are caused once the oil cylinder is opened and closed and oil is lost.
Disclosure of Invention
The utility model discloses a solve the problem that gas leakage appears in original round door seal structure, provide a locking device of grey round door down, solve fixed bed gasifier round door and close not tight, the accident loses oily unsafe problem.
In order to achieve the above object, the utility model adopts the following technical scheme:
a locking device of a lower ash round door comprises a round door flange arranged at a lower ash opening of an ash bin, a lower ash round door used for sealing the lower ash opening, an oil cylinder bracket, a hydraulic oil cylinder, a fixed flange and a bolt;
the cross section of the oil cylinder support is in a [ -shape, the upper part of the oil cylinder support is connected to the circular door flange through a bolt, the fixing flange is arranged on the hydraulic oil cylinder, and the hydraulic oil cylinder is arranged at the middle lower part of the outer side of the oil cylinder support through the fixing flange;
the piston rod of the hydraulic oil cylinder extends into the inner side of the oil cylinder support to be connected with the bolt, the bolt is a block and is tightly attached to the bottom of the lower grey round door, the joint surface of the bolt and the lower grey round door is an inclined plane, and the lower portion of the oil cylinder support is further provided with an adjusting bolt which abuts against the bottom surface of the bolt to adjust the levelness.
Furthermore, the circular door flange and the lower ash circular door are arranged up and down, the oil cylinder support is arranged vertically, the upper portion of the oil cylinder support is connected with the circular door flange, the lower portion of the oil cylinder support extends downwards to the position of the lower ash circular door, and a reinforcing plate is arranged between the upper portion and the middle portion of the oil cylinder support, so that the strength of the oil cylinder support is improved.
Furthermore, the hydraulic oil cylinders are transversely arranged, the fixing flanges are welded at the front ends of the hydraulic oil cylinders, and the fixing flanges are connected with the middle lower parts of the oil cylinder supports through bolts, so that the hydraulic oil cylinders can be conveniently installed.
Furthermore, the hydraulic oil cylinder comprises a cylinder body, end covers arranged at two ends of the cylinder body, a guide sleeve arranged at the front end in the cylinder body, a piston arranged at the rear end in the cylinder body and a piston rod arranged on the piston, wherein the piston rod extends forwards to extend out of the cylinder body and penetrates through the oil cylinder support to be connected with the bolt; and sealing rings are arranged between the guide sleeve and the piston rod and between the piston and the cylinder body.
Furthermore, there is the clearance in bolt bottom surface and the upper plane in hydro-cylinder support lower part, adjusting bolt vertically lays in hydro-cylinder support lower part, and adjusting bolt and hydro-cylinder support threaded connection move the height position of the adjustable bolt of adjusting bolt through twisting, realize the adjustment of piston rod levelness.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model has the advantages of reasonable design, ingenious flange structure that utilizes adopts the bolt to be fixed in the cylinder support on the round door flange for this locking device dismouting is changed conveniently. Move about through hydraulic cylinder drive bolt, the moving direction of bolt is 90 with the direction of opening of grey round door down, after inserting the bolt, can effectively lock grey round door down, because of the not tight gas leakage of grey round door closure down in avoiding the production process, also can prevent to have a power failure suddenly when leading to the oil loss simultaneously, the grey round door is opened and is taken place the coal gas and leak, causes the incident.
Drawings
Fig. 1 is one of the schematic views of the original round door sealing structure.
Fig. 2 is a second schematic view of the original round door sealing structure.
Fig. 3 is a schematic view of the latch lock of the locking device of the present invention.
Fig. 4 is a schematic view of the latch unlocking mechanism of the locking device of the present invention.
Fig. 5 is a schematic view of a hydraulic cylinder of the locking device of the lower ash round door of the present invention.
The reference numbers in the drawings are as follows: 1 is ash bin, 2 is ash discharging port, 3 is round door flange, 4 is ash discharging round door, 5 is opening and closing oil cylinder, 6 is oil cylinder support, 7 is hydraulic oil cylinder, 71 is cylinder body, 72 is end cover, 73 is guide sleeve, 74 is piston, 75 is piston rod, 76 is sealing ring, 8 is fixed flange, 9 is bolt, 10 is inclined plane, 11 is adjusting bolt, 12 is reinforcing plate.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:
as shown in fig. 3 to 5, the locking device for the lower ash round door comprises a round door flange 3 arranged at the lower ash opening 2 of the ash bin 1 and a lower ash round door 4 used for sealing the lower ash opening 2, wherein the round door flange 3 and the lower ash round door 4 are arranged up and down, and the locking device further comprises an oil cylinder support 6, a hydraulic oil cylinder 7, a fixing flange 8 and a bolt 9.
The section of the oil cylinder support 6 is in a [ -shape, the oil cylinder support 6 is vertically arranged, and the upper part of the oil cylinder support 6 is connected to the circular door flange 3 through bolts. Specifically, the upper part of the oil cylinder bracket 6 is connected with the circular door flange 3, and the lower part of the oil cylinder bracket 6 extends downwards to the position of the lower ash circular door 4.
In order to improve the strength of the oil cylinder support 6, a reinforcing plate 12 is arranged between the upper portion and the middle portion of the oil cylinder support 6, the reinforcing plate 12 is a triangular plate, and the reinforcing plate 12 is welded with the oil cylinder support 6.
The hydraulic oil cylinder 7 is transversely arranged, the hydraulic oil cylinder 7 comprises a cylinder body 71, end covers 72 arranged at two ends of the cylinder body 71, a guide sleeve 73 arranged at the front end in the cylinder body 71, a piston 74 arranged at the rear end in the cylinder body 71 and a piston rod 75 arranged on the piston 74, the head of the piston rod 75 extends forwards out of the cylinder body 71, and sealing rings 76 are arranged between the guide sleeve 73 and the piston rod 75 and between the piston 74 and the cylinder body 71.
In order to realize the installation of the hydraulic oil cylinder 7, the fixing flange 8 is arranged on the hydraulic oil cylinder 7, specifically, the fixing flange 8 is welded at the front end of the hydraulic oil cylinder 7, namely the fixing flange 8 is welded on an end cover 72 at the front end of the hydraulic oil cylinder 7, the hydraulic oil cylinder 7 is arranged at the middle lower part of the outer side of the oil cylinder support 6 through the fixing flange 8, and during the installation, the fixing flange 8 is connected with the middle lower part of the oil cylinder support 6 through bolts.
A piston rod 75 of the hydraulic oil cylinder 7 extends into the inner side of the oil cylinder support 6 to be connected with the bolt 9, the bolt 9 is used for locking the lower grey circular door 4, the bolt 9 is a block, the bolt 9 is tightly attached to the bottom of the lower grey circular door 4, the joint surface of the bolt 9 and the lower grey circular door 4 is an inclined surface 10, and a gap exists between the bottom surface of the bolt 9 and the upper plane of the lower part of the oil cylinder support 6.
The lower part of the oil cylinder support 6 is also provided with an adjusting bolt 11, during installation, the adjusting bolt 11 is vertically arranged at the lower part of the oil cylinder support 6, and the adjusting bolt 11 is in threaded connection with the oil cylinder support 6. The adjusting bolt 11 abuts against the bottom surface of the bolt 9 to adjust the levelness, and the adjusting bolt 11 is used for adjusting the running levelness of the bolt 9, so that the levelness of the piston rod 75 is adjusted, and the coaxiality of the piston rod 75 and the cylinder body 71 is ensured.
The locking device is fixed on the circular door flange 3 through the oil cylinder support 6, and the circular door flange 3 is used as a support, so that the locking device is simple and convenient to install, safe and reliable. The bolt 9 realizes horizontal movement left and right through the difference of oil feeding directions in the hydraulic oil cylinder 7, and further locks or unlocks the lower ash round door 4.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, characteristics and principles of the present invention should be included in the claims of the present invention.
Claims (5)
1. A locking device of a lower ash round door comprises a round door flange (3) arranged at a lower ash opening (2) of an ash bin (1) and a lower ash round door (4) used for sealing the lower ash opening (2), and is characterized by also comprising an oil cylinder bracket (6), a hydraulic oil cylinder (7), a fixing flange (8) and a bolt (9);
the cross section of the oil cylinder support (6) is in a shape like a Chinese character 'ji', the upper part of the oil cylinder support (6) is connected to the circular door flange (3) through a bolt, the fixing flange (8) is arranged on the hydraulic oil cylinder (7), and the hydraulic oil cylinder (7) is arranged at the middle lower part of the outer side of the oil cylinder support (6) through the fixing flange (8);
a piston rod (75) of the hydraulic oil cylinder (7) extends into an oil cylinder support (6) to be connected with the inner side of the bolt (9), the bolt (9) is a block, the bolt (9) is tightly attached to the bottom of the lower grey round door (4), the joint surface of the bolt (9) and the lower grey round door (4) is an inclined surface (10), an adjusting bolt (11) is further arranged on the lower portion of the oil cylinder support (6), and the adjusting bolt (11) abuts against the bottom surface of the bolt (9) to adjust the levelness.
2. The locking device of the bottom ash round door according to claim 1, characterized in that the round door flange (3) and the bottom ash round door (4) are arranged up and down, the cylinder support (6) is vertically arranged, the upper part of the cylinder support (6) is connected with the round door flange (3), the lower part of the cylinder support (6) extends downwards to the position of the bottom ash round door (4), and a reinforcing plate (12) is arranged between the upper part and the middle part of the cylinder support (6).
3. The locking device of a bottom ash round door according to claim 1, characterized in that the hydraulic cylinder (7) is transversely arranged, the fixing flange (8) is welded at the front end of the hydraulic cylinder (7), and the fixing flange (8) is connected with the middle lower part of the cylinder bracket (6) through bolts.
4. The locking device of the bottom ash round door according to the claim 3, characterized in that the hydraulic oil cylinder (7) comprises a cylinder body (71), end covers (72) arranged at both ends of the cylinder body (71), a guide sleeve (73) arranged at the front end in the cylinder body (71), a piston (74) arranged at the rear end in the cylinder body (71) and a piston rod (75) arranged on the piston (74), wherein the piston rod (75) extends forwards out of the cylinder body (71) and is connected with the bolt (9) through a cylinder bracket (6);
and sealing rings (76) are arranged between the guide sleeve (73) and the piston rod (75) and between the piston (74) and the cylinder body (71).
5. The locking device of the bottom ash round door according to claim 1, characterized in that a gap exists between the bottom surface of the bolt (9) and the upper plane of the lower part of the oil cylinder bracket (6), the adjusting bolt (11) is vertically arranged at the lower part of the oil cylinder bracket (6), and the adjusting bolt (11) is in threaded connection with the oil cylinder bracket (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220982082.4U CN217560368U (en) | 2022-04-27 | 2022-04-27 | Locking device of lower grey round door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220982082.4U CN217560368U (en) | 2022-04-27 | 2022-04-27 | Locking device of lower grey round door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217560368U true CN217560368U (en) | 2022-10-11 |
Family
ID=83471739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220982082.4U Active CN217560368U (en) | 2022-04-27 | 2022-04-27 | Locking device of lower grey round door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217560368U (en) |
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2022
- 2022-04-27 CN CN202220982082.4U patent/CN217560368U/en active Active
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