CN203050808U - First-stage turbine protective ring device of medium and low-calorific value combustion engine - Google Patents
First-stage turbine protective ring device of medium and low-calorific value combustion engine Download PDFInfo
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- CN203050808U CN203050808U CN 201320094937 CN201320094937U CN203050808U CN 203050808 U CN203050808 U CN 203050808U CN 201320094937 CN201320094937 CN 201320094937 CN 201320094937 U CN201320094937 U CN 201320094937U CN 203050808 U CN203050808 U CN 203050808U
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- retaining ring
- ring
- cold air
- groove
- holding
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Abstract
The utility model relates to a first-stage turbine protective ring device of a medium and low-calorific value combustion engine, belonging to the field of protection of protective rings of combustion engines. The utility model aims at solving the problems of complex structure, trivial operation during detachment of a protective ring sheet, great labor intensity and long consumed time of the existing protective ring. The device comprises a holding ring and a protective ring sheet, wherein a positioning module is arranged at the lower end on the right side of the holding ring, a first positioning clamping slot with a leftward opening is formed on the inner wall on the left side of the positioning module, a first chase mortise is arranged at the right end of the protective ring sheet, the first chase mortise is in close fit with the first positioning clamping slot, a threaded hole is formed on the outer wall on the left side of the holding ring, a positioning hole is formed in the position corresponding to the threaded hole in the left side wall of the protective ring sheet, a positioning screw is fixedly arranged in the positioning hole and the threaded hole, a gas inlet channel penetrating through the lower end surface of the holding ring and the left side wall of the holding ring is formed on the holding ring, a first cold gas slot with a downward opening is formed at the lower end of the holding ring, and the gas inlet channel penetrates through the bottom of the first cold gas slot. The first-stage turbine protective ring device disclosed by the utility model is used for protecting a first-stage turbine of a combustion engine.
Description
Technical field
The utility model relates to a kind of middle lower calorific value combustion machine first order turbine retaining ring device, belongs to combustion machine retaining ring protection field.
Background technique
In industry gas turbine, the multistage retaining ring circularizes round the outside of rotor and retaining ring and is fixed on the turbine cylinder body, make the inner side surface of multistage circular groups that retaining ring is formed become the ring surface that contacts with the fuel gas flow zone, stop high-temperature fuel gas to the thermal shock of retaining ring inside and cylinder body, whole retaining ring structure constitutes by holding ring and retaining ring sheet generally speaking, holding ring is fixed on the turbine cylinder body, the retaining ring sheet is fixed on the inboard of holding ring, the retaining ring sheet is directly contacted with the fuel gas flow zone, so just can use the retaining ring of material making preferably sheet, and make the material hold ring can relative mistake a bit, effectively save cost of production, in the structure commonly used, an inboard correspondence of holding ring arranges two or three retaining ring sheets.
At present, hold ring and generally adopt opposite convex or C Spring Clip with the linkage structure of retaining ring sheet.The retaining ring of first kind of opposite convex structure refers to that the inboard of holding ring is provided with groove shape slideway, the arranged outside of retaining ring sheet has and holds the boss shape slide block that the ring slideway matches, when dismounting retaining ring sheet, can't directly dismantle down the retaining ring sheet of required dismounting, must pull down all associated retaining ring sheets and hold ring, its method is to unload their anti-to ship and resell on another market, along the circumferential direction one by one they are skidded off then, up to the retaining ring sheet that skids off required dismounting, for being arranged, 48 middle lower calorific values of holding ring and 144 retaining ring sheets fire for the machine, before the retaining ring sheet of required dismounting under the dismounting, need pull down maximum 35 extra retaining ring sheets, complicated operation is loaded down with trivial details, and workload is very big.Second kind of retaining ring that adopts the C Spring Clip, its structure is: the left side of retaining ring is that the boss shape slide block of retaining ring sheet is arranged in the slideway of holding ring, and the right side of retaining ring is to adopt the C collar with the retaining ring sheet and hold ring to be fixed together, the complexity of the device of Zeng Jiaing not only, simultaneously, when dismounting, must remove the second level guide vane adjacent with the retaining ring right side vertically, pull down the C collar, the retaining ring sheet of required dismounting could be pulled down then, complicated operation, labor intensity is big.
The model utility content
The utility model has the retaining ring complex structure now for solving, when dismounting retaining ring sheet, and complex operation, the problem that labor intensity is big and elapsed time is long.
Provide a kind of middle lower calorific value combustion machine first order turbine retaining ring device for solving the problems of the technologies described above, described retaining ring device comprises holds ring and retaining ring sheet, the lower end of holding the ring right side is provided with a locating module, the inner left wall of locating module is provided with opening first locating groove left, the right-hand member of described retaining ring sheet is provided with first chase mortise, first chase mortise and first locating groove closely cooperate, hold ring left side outer wall and be provided with tapped hole, the inner left wall of described retaining ring sheet fits tightly with the left side outer wall of holding ring, the position corresponding with tapped hole has positioning hole on the retaining ring sheet left side wall, positioning screwn is fixedly installed on positioning hole and interior described the holding of tapped hole has the gas-entered passageway that perforation is held the ring lower end surface and held the ring left side wall on the ring, the lower end of holding ring is provided with the first cold air groove that Open Side Down, and described gas-entered passageway connects the bottom of the first cold air groove.
The utility model compared with prior art has following beneficial effect: device described in the utility model directly is positioned at the left side of retaining ring sheet and holds on the ring with positioning screwn, simple in structure, simultaneously, when dismounting, as long as screw out positioning screwn and skid off the dismounting that the retaining ring sheet can be realized the retaining ring sheet, operate also very simple.
Description of drawings
Fig. 1 is sectional view of the present utility model, and Fig. 2 is retaining ring sheet and the structural representation that impacts orifice plate, and Fig. 3 is the plan view of retaining ring sheet, and Fig. 4 is retaining ring sheet and the structural representation of holding ring.
Embodiment
Embodiment one: in conjunction with Fig. 1, Fig. 2 and Fig. 4 illustrate present embodiment, the described a kind of middle lower calorific value combustion machine first order turbine retaining ring device of present embodiment, described retaining ring device comprises holds ring 3 and retaining ring sheet 1, the lower end of holding ring 3 right sides is provided with a locating module, the inner left wall of locating module is provided with opening first locating groove 5 left, the right-hand member of described retaining ring sheet 1 is provided with first chase mortise 6, first chase mortise 6 and first locating groove 5 closely cooperate, hold ring 3 left side outer walls and be provided with tapped hole 18, the inner left wall of described retaining ring sheet 1 fits tightly with the left side outer wall of holding ring 3, position corresponding with tapped hole 18 on retaining ring sheet 1 left side wall has positioning hole 17, positioning screwn 23 is fixedly installed in positioning hole 17 and the tapped hole 18, described holding has the gas-entered passageway 7 that perforation is held ring 3 lower end surfaces and held ring 3 left side walls on the ring 3, the lower end of holding ring 3 is provided with the first cold air groove 3-1 that Open Side Down, and described gas-entered passageway 7 connects the bottom of the first cold air groove 3-1.
Embodiment two: present embodiment is described in conjunction with Fig. 1, Fig. 2 and Fig. 3, present embodiment described each hold ring 3 lower end three the retaining ring sheets 1 that have been installed side by side, the upper end of each retaining ring sheet 1 is provided with second a cold air groove 1-1, the lower ending opening of the first cold air groove 3-1 covers the opening of three second cold air groove 1-1 upper ends, have the outlet passageway of a plurality of perforation second cold air groove 1-1 on the side of described retaining ring sheet 1, so arrange, cold air is entered in three second cold air groove 1-1, improve cooling-down effect, other compositions are identical with embodiment one with annexation.
Embodiment three: present embodiment is described in conjunction with Fig. 1 and Fig. 2, be provided with impact orifice plate 20 between the described first cold air groove 3-1 of present embodiment and three second cold air groove 1-1, the upper end of impacting orifice plate 20 is fixed on the lower end of holding ring 3, have a plurality of vent 20-1 on the described impact orifice plate 20, a plurality of vent 20-1 are divided into three groups, three groups of vent 20-1 are evenly distributed on the upper end of three second cold air groove 1-1, so arrange, improved the impact cooling effect of cold air, other compositions are identical with embodiment two with annexation.
Embodiment four: present embodiment is described in conjunction with Fig. 2 and Fig. 3, have 17 outlet passageways on described each the retaining ring sheet 1 of present embodiment, described 17 outlet passageways comprise 6 left outlet passageways 10,6 right outlet passageways 11 and 5 horizontal outlet passageways 13, left side outlet passageway 10, right outlet passageway 11 and horizontal outlet passageway 13 equal along continuous straight runs connect the side of the second cold air groove 1-1 lower end, 6 left outlet passageways 10 and 6 right outlet passageways 11 are evenly distributed on the left side of the second cold air groove 1-1 and right side and the two respectively and all connect the second cold air groove 1-1 along left and right directions, 5 horizontal outlet passageways 13 are divided into totally two groups of 2 horizontal outlet passageways 13 and 3 horizontal outlet passageways 13, both sides, front and back and 5 horizontal outlet passageways 13 that two groups of horizontal outlet passageways 13 are separately positioned on the second cold air groove 1-1 all connect the second cold air groove 1-1 along fore-and-aft direction, so arrange, cold air is discharged from 17 outlet passageways, be conducive to the comprehensive cooling of retaining ring sheet 1, other compositions are identical with embodiment two with annexation.
Embodiment five: present embodiment is described in conjunction with Fig. 1 and Fig. 4, described the holding of present embodiment encircled the lower end covering that corresponding three the retaining ring sheets 1 in 3 lower ends will be held ring 3, so arrange, make retaining ring sheet 1 effectively with high-temperature fuel gas with hold ring and 3 separate, other compositions are identical with embodiment two with annexation.
Embodiment six: in conjunction with Fig. 1, Fig. 2 and Fig. 4 illustrate present embodiment, the lower end of described first chase mortise 6 of present embodiment is provided with opening second locating groove 22 to the right, the lower end of first locating groove 5 is provided with second chase mortise 8, second locating groove 22 and second chase mortise 8 closely cooperate, it is criss-cross location tongue-and-groove 19 that described upper end of holding ring 3 is provided with section, the right-hand member of holding ring 3 is provided with secondary stator locating slot 12, secondary stator locating slot 12 is rectangle groove, so arrange, increase a chase mortise structure that plays fixation, increased the stability of retaining ring device, simultaneously, hold the criss-cross location tongue-and-groove 19 that arranges on the ring 3 and secondary stator locating slot 12 and make and hold effectively location of ring 3, other compositions are identical with embodiment one with annexation.
Embodiment seven: present embodiment is described in conjunction with Fig. 2 and Fig. 4, be set with first Stamping Steel Ribbon 30 between described adjacent two the retaining ring sheets 1 of present embodiment, first Stamping Steel Ribbon 30 is divided into two-part up and down with the regional seal between the adjacent two retaining ring sheets 1, adjacent two hold ring is provided with second Stamping Steel Ribbon 31 between 3, second Stamping Steel Ribbon 31 is divided into two-part up and down with adjacent two regional seals of holding between the ring 3, and other compositions are identical with embodiment one with annexation.
Embodiment eight: present embodiment described each hold ring and have two gas-entered passageways 7 on 3, so arrange, two cold air gas-entered passageways make the cooling effect of holding ring 3 and retaining ring sheet 1 better, other compositions are identical with embodiment one with annexation.
Working principle:
Described a kind of middle lower calorific value combustion machine first order turbine retaining ring device, when work, the inner cold air that feeds from gas-entered passageway 7 to device, cold air spreads in the first cold air groove 3-1 and the second cold air groove 1-1, discharges from described 17 outlet passageways at last, thereby realize retaining ring sheet 1 and the cooling of holding ring 3, in the time of when safeguarding, need pulling down retaining ring sheet 1, only need positioning screwn 23 is screwed off, 1 extraction of retaining ring sheet is got final product, convenient disassembly is quick, and is simple to operate.
Claims (8)
1. lower calorific value combustion machine first order turbine retaining ring device in a kind, described retaining ring device comprises holds ring (3) and retaining ring sheet (1), the lower end of holding ring (3) right side is provided with a locating module, the inner left wall of locating module is provided with opening first locating groove (5) left, the right-hand member of described retaining ring sheet (1) is provided with first chase mortise (6), first chase mortise (6) closely cooperates with first locating groove (5), it is characterized in that: hold ring (3) left side outer wall and be provided with tapped hole (18), the inner left wall of described retaining ring sheet (1) fits tightly with the left side outer wall of holding ring (3), position corresponding with tapped hole (18) on retaining ring sheet (1) left side wall has positioning hole (17), positioning screwn (23) is fixedly installed in positioning hole (17) and the tapped hole (18), described holding has the gas-entered passageway (7) that perforation is held ring (3) lower end surface and held ring (3) left side wall on the ring (3), the lower end of holding ring (3) is provided with the first cold air groove (3-1) that Open Side Down, and described gas-entered passageway (7) connects the bottom of the first cold air groove (3-1).
2. according to the described a kind of middle lower calorific value combustion machine first order turbine retaining ring device of claim 1, it is characterized in that: described each lower end of holding ring (3) three retaining ring sheets (1) that have been installed side by side, the upper end of each retaining ring sheet (1) is provided with second a cold air groove (1-1), the lower ending opening of the first cold air groove (3-1) covers the opening of three the second cold air groove (1-1) upper ends, has the outlet passageway of a plurality of perforation second cold air grooves (1-1) on the side of described retaining ring sheet (1).
3. according to the described a kind of middle lower calorific value combustion machine first order turbine retaining ring device of claim 2, it is characterized in that: be provided with impact orifice plate (20) between the described first cold air groove (3-1) and three second cold air grooves (1-1), the upper end of impacting orifice plate (20) is fixed on the lower end of holding ring (3), have a plurality of vents (20-1) on the described impact orifice plate (20), a plurality of vents (20-1) are divided into three groups, and three groups of vents (20-1) are evenly distributed on the upper end of three second cold air grooves (1-1).
4. according to the described a kind of middle lower calorific value combustion machine first order turbine retaining ring device of claim 2, it is characterized in that: have 17 outlet passageways on each retaining ring sheet (1), described 17 outlet passageways comprise 6 left outlet passageways (10), 6 right outlet passageways (11) and 5 horizontal outlet passageways (13), left side outlet passageway (10), right outlet passageway (11) and the equal along continuous straight runs of horizontal outlet passageway (13) connect the side of second cold air groove (1-1) lower end, 6 left outlet passageways (10) and 6 right outlet passageways (11) are evenly distributed on the left side of the second cold air groove (1-1) and right side and the two respectively and all connect the second cold air groove (1-1) along left and right directions, 5 horizontal outlet passageways (13) are divided into totally two groups of 2 horizontal outlet passageways (13) and 3 horizontal outlet passageways (13), and both sides, front and back and 5 horizontal outlet passageways (13) that two groups of horizontal outlet passageways (13) are separately positioned on the second cold air groove (1-1) all connect the second cold air groove (1-1) along fore-and-aft direction.
According to claim 2 described a kind of in lower calorific value combustion machine first order turbine retaining ring device, it is characterized in that: describedly hold the lower end covering that ring (3) corresponding three the retaining ring sheets in lower end (1) will be held ring (3).
6. according to the described a kind of middle lower calorific value combustion machine first order turbine retaining ring device of claim 1, it is characterized in that: the lower end of described first chase mortise (6) is provided with opening second locating groove (22) to the right, the lower end of first locating groove (5) is provided with second chase mortise (8), second locating groove (22) and second chase mortise (8) closely cooperate, it is criss-cross location tongue-and-groove (19) that described upper end of holding ring (3) is provided with section, the right-hand member of holding ring (3) is provided with secondary stator locating slot (12), and secondary stator locating slot (12) is rectangle groove.
7. according to the described a kind of middle lower calorific value combustion machine first order turbine retaining ring device of claim 1, it is characterized in that: be set with first Stamping Steel Ribbon (30) between adjacent two retaining ring sheets (1), first Stamping Steel Ribbon (30) is divided into two-part up and down with the regional seal between the adjacent two retaining ring sheets (1), adjacent two hold and are provided with second Stamping Steel Ribbon (31) between the ring (3), and second Stamping Steel Ribbon (31) is divided into two-part up and down with adjacent two regional seals of holding between the ring (3).
8. according to the described a kind of middle lower calorific value combustion machine first order turbine retaining ring device of claim 1, it is characterized in that: each is held and has two gas-entered passageways (7) on the ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320094937 CN203050808U (en) | 2013-03-01 | 2013-03-01 | First-stage turbine protective ring device of medium and low-calorific value combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320094937 CN203050808U (en) | 2013-03-01 | 2013-03-01 | First-stage turbine protective ring device of medium and low-calorific value combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203050808U true CN203050808U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320094937 Expired - Lifetime CN203050808U (en) | 2013-03-01 | 2013-03-01 | First-stage turbine protective ring device of medium and low-calorific value combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203050808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161520A (en) * | 2013-03-01 | 2013-06-19 | 哈尔滨汽轮机厂有限责任公司 | First class turbine protective ring of middle-low calorific value gas turbine and disassembling method thereof |
| CN109578091A (en) * | 2018-11-23 | 2019-04-05 | 东方电气集团东方汽轮机有限公司 | A kind of gas turbine segmentation ring fixing structure |
-
2013
- 2013-03-01 CN CN 201320094937 patent/CN203050808U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161520A (en) * | 2013-03-01 | 2013-06-19 | 哈尔滨汽轮机厂有限责任公司 | First class turbine protective ring of middle-low calorific value gas turbine and disassembling method thereof |
| CN109578091A (en) * | 2018-11-23 | 2019-04-05 | 东方电气集团东方汽轮机有限公司 | A kind of gas turbine segmentation ring fixing structure |
| CN109578091B (en) * | 2018-11-23 | 2021-09-17 | 东方电气集团东方汽轮机有限公司 | Gas turbine cuts apart ring fixed knot and constructs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |