CN217317754U

CN217317754U - End cover pressing limiting mechanism for producing turboprop engine

Info

Publication number: CN217317754U
Application number: CN202220386363.3U
Authority: CN
Inventors: 王超; 陆璇; 沈春燕; 凌苗燕
Original assignee: Zhejiang Huanyu Aero Engine Co ltd
Current assignee: Zhejiang Huanyu Aero Engine Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-08-30
Anticipated expiration: 2032-02-25

Abstract

The utility model relates to a turboprop engine production of technical field compresses tightly stop gear with end cover, including the device main part, the front surface swing joint of device main part has the lifter, the lower extreme fixedly connected with pressure disk of lifter, the lower fixed surface of pressure disk is connected with the limiting plate, the internal surface swing joint of limiting plate has the contact plate, the one end swing joint of contact plate has first slide-shaft, the other end fixedly connected with second slide-shaft of contact plate, the surface swing joint of second slide-shaft has first briquetting, the surface fixed connection of first briquetting has first reset spring; the contact through contact board and end cover is spacing at the in-process that compresses tightly of end cover, and the while is reverse to carry out certain support to the end cover under first reset spring's effect, prevents that the end cover from taking place the skew when compressing tightly.

Description

End cover pressing limiting mechanism for producing turboprop engine

Technical Field

The utility model relates to a screw engine technical field especially relates to a turboprop is end cover compresses tightly stop gear for engine production.

Background

The propeller engine developed in the fifties of the last century has the comprehensive advantages of low oil consumption, long service life, high power and light weight of the jet engine, and is suitable for being used as the power of medium-short range passenger plane, cargo plane and light bomber.

In the production process of the existing turboprop engine, an end cover of the turboprop engine needs to be compressed, and in order to prevent the end cover from deviating in the compression process, an end cover compression limiting mechanism for turboprop engine production is provided.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a turboprop is end cover compresses tightly stop gear for engine production has and carries out spacing function to the end cover in-process of compressing tightly.

The technical scheme of the utility model is that:

the utility model provides a turboprop engine production compresses tightly stop gear with end cover, includes the device main part, the front surface swing joint of device main part has the lifter, the lower extreme fixedly connected with pressure disk of lifter, the lower fixed surface of pressure disk is connected with the limiting plate, the internal surface swing joint of limiting plate has the contact plate, the one end swing joint of contact plate has first slide-shaft, the other end fixedly connected with second slide-shaft of contact plate, the surface swing joint of second slide-shaft has first briquetting, the surface fixed connection of first briquetting has first reset spring.

In a further technical scheme, the bottom fixedly connected with base of device main part front surface, the internal surface swing joint of base has the bearing plate, the below of bearing plate is provided with the bracing piece, the lower fixed surface of bracing piece is connected with the second briquetting, the lower fixed surface of second briquetting is connected with second reset spring, the equal fixedly connected with connecting rod in both sides of device main part surface, the one end fixedly connected with spacing ring of connecting rod.

In a further technical scheme, the holding tank of contact plate is seted up to the inside of limiting plate, and the vertical groove and the horizontal groove that first slide-axis and second slide-axis removed are seted up respectively to the inner wall of the inside holding tank of limiting plate.

In a further technical scheme, first reset spring and first briquetting all are located the transverse groove of the inside holding tank inner wall of limiting plate, and the inner wall fixed connection in one end of first reset spring and transverse groove.

In a further technical scheme, the number of the limiting plates is four, the four limiting plates are evenly distributed on the edge of the lower surface of the pressing plate, and the contact plate is obliquely arranged in the limiting plates.

In a further technical scheme, the number of the supporting rods is a plurality, and the supporting rods are uniformly arranged from the edge to the center from high to low below the pressure bearing plate.

In a further technical scheme, the lower surfaces of the base and the bearing plate, which are positioned at the edges, are in mutual contact, and the second pressing block and the second return spring are both positioned inside the base.

The utility model has the advantages that:

1. the end cover is limited in the process of compressing the end cover through the contact of the contact plate and the end cover, and the end cover is reversely supported to a certain extent under the action of the first return spring, so that the end cover is prevented from deviating in the compressing process;

2. through the compression of the second pressing block at the lower end of the supporting rod on the second reset spring, the downward pressing stress of the end cover is slow, and when the engine is limited, the damage to the end cover and the engine caused by the fact that the downward pressing speed of the end cover is fast is avoided.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a contact plate according to an embodiment of the present invention;

fig. 3 is a schematic side sectional structure view of a limiting plate according to an embodiment of the present invention;

fig. 4 is a schematic side sectional structure view of a base according to an embodiment of the present invention.

Description of the reference numerals:

1. a device main body; 2. a lifting rod; 3. a platen; 4. a base; 5. a limiting plate; 6. a contact plate; 7. a first slide shaft; 8. a second slide shaft; 9. a first pressing block; 10. a first return spring; 11. a connecting rod; 12. a limiting ring; 13. a pressure bearing plate; 14. a support bar; 15. a second pressing block; 16. a second return spring.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in fig. 1-4, an end cover compression limiting mechanism for turboprop engine production comprises a device main body 1, a lifting rod 2 is movably connected to the front surface of the device main body 1, a pressure plate 3 is fixedly connected to the lower end of the lifting rod 2, a limiting plate 5 is fixedly connected to the lower surface of the pressure plate 3, a contact plate 6 is movably connected to the inner surface of the limiting plate 5, a first sliding shaft 7 is movably connected to one end of the contact plate 6, a second sliding shaft 8 is fixedly connected to the other end of the contact plate 6, a first pressing block 9 is movably connected to the outer surface of the second sliding shaft 8, and a first return spring 10 is fixedly connected to the outer surface of the first pressing block 9.

The working principle of the technical scheme is as follows:

when carrying out the end cover to the engine and compressing tightly, at first place the end cover in the one end of engine, then starting drive main part 1 control lifter 2 drives pressure disk 3 and pushes down, contact plate 6 can contact with the end cover pushing down in-process, then slow second slide-shaft 8 can drive first briquetting 9 compression first reset spring 10 and make its atress in horizontal inslot with the contact of end cover, first slide-shaft 7 can slide in erecting the inslot simultaneously, it is spacing to carry out the end cover through the contact of contact plate 6 and end cover, prevent that the end cover from taking place the skew when being compressed tightly.

In another embodiment, as shown in fig. 1 and 4, a base 4 is fixedly connected to a bottom end of a front surface of the device body 1, a bearing plate 13 is movably connected to an inner surface of the base 4, a supporting rod 14 is disposed below the bearing plate 13, a second pressing block 15 is fixedly connected to a lower surface of the supporting rod 14, a second return spring 16 is fixedly connected to a lower surface of the second pressing block 15, connecting rods 11 are fixedly connected to both sides of an outer surface of the device body 1, and a limit ring 12 is fixedly connected to one end of each connecting rod 11.

In the device use, place the engine directly on the upper surface of base 4, and make it pass spacing ring 12, restrict the engine, the engine will at this moment at first contact with bearing plate 13, then push down edgemost bracing piece 14 through bearing plate 13, then when equipment is installed the engine end cover, bearing plate 13 can push down whole bracing piece 14 gradually, second briquetting 15 through bracing piece 14 lower extreme is to the compression of second reset spring 16, make the lower pressure atress of end cover gentler, when spacing to the engine, avoid the end cover to push down the speed and lead to end cover and engine to take place the damage very fast.

In another embodiment, as shown in fig. 3, the limiting plate 5 has a receiving groove for receiving the contact plate 6 therein, and the inner wall of the receiving groove in the limiting plate 5 has a vertical groove and a horizontal groove for moving the first sliding shaft 7 and the second sliding shaft 8, respectively.

The vertical groove and the transverse groove of the inner wall of the accommodating groove in the limiting plate 5 are respectively used for moving the first sliding shaft 7 and the second sliding shaft 8 after the contact plate 6 is pressed by the end cover, so that the end cover is convenient to limit in the pressing process.

In another embodiment, as shown in fig. 3, the first return spring 10 and the first pressing block 9 are both located in a transverse groove of the inner wall of the receiving groove inside the limiting plate 5, and one end of the first return spring 10 is fixedly connected with the inner wall of the transverse groove.

The first return spring 10 is used for compressing the first pressing block 9 on the inner wall of the transverse groove, and then keeping the end cover limited reversely through the contact plate 6 under the action of the force of the first pressing block 9.

In another embodiment, as shown in fig. 1, the number of the limiting plates 5 is four, and the four limiting plates 5 are uniformly distributed on the edge of the lower surface of the platen 3, and the contact plate 6 is obliquely arranged inside the limiting plates 5.

The four limiting plates 5 are used for limiting the end cover and limiting the deviation of the end cover, and the obliquely placed contact plate 6 can limit the process of pressing the end cover in the contact of the contact plate and the end cover.

In another embodiment, as shown in fig. 4, the number of the support rods 14 is several, and several support rods 14 are uniformly arranged from the edge to the center from the high to the low under the pressure bearing plate 13.

A plurality of bracing piece 14 contacts with bearing plate 13 gradually when bearing plate 13 receives pressure, promotes the holding power to bearing plate 13, slows down the end cover and compresses tightly speed, promotes and compresses tightly efficiency.

In another embodiment, as shown in fig. 4, the lower surfaces of the base plate 4 and the pressure bearing plate 13 at the edges are in contact with each other, and the second pressing piece 15 and the second return spring 16 are both located inside the base plate 4.

The support rod 14, the second pressing block 15 and the second return spring 16 are used for providing support for the placed engine through the bearing plate 13.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a turboprop engine production compresses tightly stop gear with end cover, includes device main part (1), its characterized in that: the utility model discloses a device, including device main part (1), preceding surface swing joint has lifter (2), lower extreme fixedly connected with pressure disk (3) of lifter (2), the lower fixed surface of pressure disk (3) is connected with limiting plate (5), the internal surface swing joint of limiting plate (5) has contact plate (6), the one end swing joint of contact plate (6) has first slide-shaft (7), the other end fixedly connected with second slide-shaft (8) of contact plate (6), the surface swing joint of second slide-shaft (8) has first briquetting (9), the surface fixed connection of first briquetting (9) has first reset spring (10).

2. The end cover pressing and limiting mechanism for the production of the turboprop according to claim 1, characterized in that: the device is characterized in that a base (4) is fixedly connected to the bottom end of the front surface of the device main body (1), a bearing plate (13) is movably connected to the inner surface of the base (4), a supporting rod (14) is arranged below the bearing plate (13), a second pressing block (15) is fixedly connected to the lower surface of the supporting rod (14), a second reset spring (16) is fixedly connected to the lower surface of the second pressing block (15), a connecting rod (11) is fixedly connected to the two sides of the outer surface of the device main body (1), and a limiting ring (12) is fixedly connected to one end of the connecting rod (11).

3. The end cover pressing and limiting mechanism for the production of the turboprop according to claim 1, characterized in that: the inside of limiting plate (5) is provided with a containing groove of contact plate (6), and the inner wall of the containing groove in limiting plate (5) is provided with a vertical groove and a transverse groove for movement of first sliding shaft (7) and second sliding shaft (8) respectively.

4. The end cover pressing and limiting mechanism for the production of the turboprop according to claim 1, characterized in that: first reset spring (10) and first briquetting (9) all are located the transverse groove of limiting plate (5) inside holding tank inner wall, and the inner wall fixed connection of the one end of first reset spring (10) and transverse groove.

5. The end cover pressing and limiting mechanism for the production of the turboprop according to claim 1, characterized in that: the number of limiting plates (5) is four, and four limiting plates (5) evenly distributed are at the edge of pressure disk (3) lower surface, contact plate (6) are placed for the slope in the inside of limiting plate (5).

6. The end cover pressing and limiting mechanism for the production of the turboprop according to claim 2, characterized in that: the number of the supporting rods (14) is a plurality, and the supporting rods (14) are uniformly arranged from the edge to the center from high to low below the pressure bearing plate (13).

7. The end cover pressing and limiting mechanism for the production of the turboprop according to claim 2, characterized in that: the lower surfaces of the base (4) and the bearing plate (13) which are positioned at the edges are mutually contacted, and the second pressing block (15) and the second return spring (16) are both positioned in the base (4).