CN211520259U

CN211520259U - Gas turbine blade turnover box

Info

Publication number: CN211520259U
Application number: CN201921786517.2U
Authority: CN
Inventors: 叶计拉
Original assignee: Mitsubishi Heavy Industries Dongfang Gas Turbine Guangzhou Co Ltd
Current assignee: Mitsubishi Heavy Industries Dongfang Gas Turbine Guangzhou Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-09-18
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a gas turbine blade turnover box, which comprises a box body and a plurality of bases, wherein one side or two sides of the box body are provided with openings for putting in or taking out blades, the box body is a single layer or is divided into a plurality of layers from bottom to top, and the bases are fixed at the bottom in the box body or the bottom of each layer; a first accommodating cavity is formed in the upper end face of the base and is a first groove, the first groove is formed along the length direction of the base, and the first accommodating cavity is used for accommodating the moving blade; the upper end surface of the base is also provided with a second accommodating cavity, the second accommodating cavity is used for placing a stationary blade, and the second accommodating cavity takes the axis of the first groove as a datum line and is overlapped with the first accommodating cavity; the gas turbine blade turnover box has the advantages of reasonable structure, high universality and simplicity and convenience in use.

Description

Gas turbine blade turnover box

Technical Field

The utility model belongs to the technical field of gas turbine equipment, concretely relates to turnover case for transporting gas turbine or steam turbine blade.

Background

The Gas Turbine (Gas Turbine) is a rotary power machine which takes continuous flowing Gas as working medium and converts heat energy into mechanical work, and the main structure of the Gas Turbine is composed of a Turbine or a power Turbine, a Gas compressor and a combustion chamber. The working principle is as follows: the vane compressor absorbs air from the outside, compresses the air and sends the air into the combustion chamber, and simultaneously fuel (gas or liquid fuel) is also sprayed into the combustion chamber to be mixed with high-temperature compressed air and combusted. The generated high-temperature high-pressure flue gas enters a gas turbine to be expanded to push power blades to rotate at a high speed, and exhaust gas is discharged into the atmosphere or is reused. The principle of the steam turbine is similar to that of the gas turbine, and the main difference is that the steam turbine does not have a combustion chamber and directly uses high-pressure steam as a driving energy source. The gas turbine has the advantages of high efficiency, large power, small volume, investment saving, low operation cost, long service life and the like, so the gas turbine is mainly used for power generation, traffic and industrial power. One of the core components of a gas turbine is a plurality of moving blades mounted on a main shaft and forming the rotor of a particular multi-stage impeller assembly, and stationary blades mounted in a casing and cooperating with the rotor of moving blades to form the compressor or turbine of the gas turbine. Because the rotating speed of the gas turbine usually reaches tens of thousands of revolutions per minute, and the moving and static blades usually bear thousands of high temperatures, the manufacturing of the moving and static blades of the gas turbine is very precise and complicated; after the blade preparation is accomplished and get into next manufacturing procedure, need place the blade in the turnover case so that fix the transportation to the blade, prevent that the blade from taking place to collide with and leading to the blade to produce the damage even scrap in the transportation process. However, the blade turnover box in the prior art is single in function and low in universality, blades of different specifications need to be turned over by different turnover boxes, and moving and static blades often have multiple specifications, so that the configuration of multiple different turnover boxes is not beneficial to reducing the production cost and facilitating the use of the turnover boxes.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a gas turbine blade turnover case that rational in infrastructure, commonality are high, convenience simple to use.

In order to solve the technical problem, the utility model discloses the technical scheme who uses is:

a gas turbine blade turnover box comprises a box body and a plurality of bases, wherein openings for placing or taking out blades are formed in one side or two sides of the box body, the box body is a single layer or is divided into a plurality of layers from bottom to top, and the bases are fixed at the bottom in the box body or at the bottom of each layer; a first accommodating cavity is formed in the upper end face of the base and is a first groove, the first groove is formed along the length direction of the base, and the first accommodating cavity is used for accommodating the moving blade; still be provided with the second on the up end of base and hold the chamber, the second holds the chamber and is used for placing the stator blade, the second holds the chamber and follows the length direction setting of base and with the coincidence of first chamber portion that holds.

Preferably, the bases are arranged in one or more rows in the box body along the width direction of the bases, the bases are divided into a plurality of rows in the box body along the length direction of the bases, a partition plate is arranged between every two rows of the bases, and the partition plates are fixedly connected with the box body.

Preferably, rollers are further arranged around the bottom of the box body and connected with the box body, and the rollers at one end of the bottom of the box body are universal wheels with brakes.

Preferably, the box body is further provided with a handrail, and the handrail is fixedly connected with the box body.

Preferably, the upper half part of the box body is in circular arc transition arrangement corresponding to two sides of the opening.

Preferably, the opening of the box body is further provided with a dustproof curtain, the dustproof curtain covers the opening, and the dustproof curtain is fixedly connected with the box body.

Preferably, the dustproof curtain is made of transparent plastics.

Preferably, the second accommodating cavity comprises second grooves respectively positioned at two ends of the first groove, and the second grooves are centrosymmetric to each other; the second accommodating cavity further comprises third grooves which are respectively positioned at two ends of the first groove, and the third grooves are centrosymmetric with each other; the third groove and the second groove are coincident with each other or are separated from each other.

Preferably, both sides of the first groove are respectively provided with a fourth groove, the fourth grooves are centrosymmetric to each other, and the fourth grooves are positioned between the second grooves or the third grooves; the second groove and the third groove are obliquely arranged relative to the first groove; the fourth grooves are parallel to the first grooves.

Preferably, the first groove is in an inverted trapezoid shape, the depth of the first groove is larger than the depths of the second groove, the third groove and the fourth groove, and the length of the second groove is larger than the length of the third groove.

The beneficial effects of the utility model are mainly embodied in that: because a plurality of bases are arranged in the box body, and the first accommodating cavity and the second accommodating cavity which are overlapped with each other are arranged on the bases, moving blades or static blades can be placed on the bases, namely, the moving blades and the static blades of gas turbines or steam turbines with different specifications can be transferred by using the same turnover box, and therefore the universality and the convenience of the turnover box during use are improved.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic structural view of a gas turbine blade turnover box according to the present invention;

fig. 2 is a schematic perspective view of a middle base of a gas turbine blade turnover box according to the present invention;

fig. 3 is the utility model discloses in a gas turbine blade turnover case's well top view of base.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the illustrated embodiments are not intended to limit the present invention, and in the present embodiments, it is understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and only describe the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention; in addition, in the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a welding fixing manner, a pin fixing manner, or the like, which is commonly used in the prior art, and therefore, detailed description thereof is omitted in this embodiment.

As shown in fig. 1, the gas turbine blade turnover box comprises a box body 6 and a plurality of bases 1, wherein openings 61 for placing or taking out blades are arranged on one side or two sides of the box body 6, the box body 6 is a single layer or the box body 6 is divided into a plurality of layers from bottom to top, the bases 1 are fixed at the bottom in the box body 6 through screws or clamping, and when the box body 6 is divided into a plurality of layers, the bases 1 are respectively positioned at the bottom of each layer. A first accommodating cavity is formed in the upper end face of the base 1, wherein the first accommodating cavity is a first groove 2, the first groove 2 is formed along the length direction of the base 1, and the first accommodating cavity is used for placing moving blades; specifically, the blade root of a single moving blade is placed in the first groove 2 so as to complete the placement or fixation of the blade, the upper end surface of the base 1 is also provided with a second accommodating cavity for placing a stationary blade, and particularly, the shroud of the stationary blade is placed in the second accommodating cavity so as to complete the placement or fixation of the stationary blade; the second accommodating cavity is arranged by taking the axis of the first groove 2 as a datum line and intersects or coincides with the first accommodating cavity part. When the accommodating cavities for accommodating the blades of different specifications are arranged on each base 1, the blades of different specifications do not need to be concerned to be matched with the bases 1 of different specifications when the turnover box transfers the blades; namely, the movable and static blades of gas turbines or steam turbines with different specifications can be transported by only using the same turnover box. Secondly, when first chamber and the second chamber of holding coincide each other, can further improve base 1's space utilization, reduce base 1's volume, and then can reduce the volume of turnover case.

As shown in fig. 1-3, in the preferred embodiment, the bases 1 are arranged in one or more rows along the width direction of the box 6, while the bases 1 in the present embodiment are arranged in two rows along the width direction of the box 6, and at this time, the two rows of bases 1 can respectively correspond to the openings 61 on the two sides of the box 6, so as to facilitate the loading or unloading of the blades; the base 1 is divided into a plurality of rows in the box body 6 along the length direction of the base, a partition plate 7 is arranged between each two rows of bases 1, the partition plates 7 and the box body 6 are fixed through screws or gluing, and the additionally arranged partition plates 7 can prevent the engine blades from colliding with other blades in the box body after being separated from the base due to collision and the like, so that the blades are damaged; the protection of the turnover box to the blades of the gas turbine or the steam turbine in the transportation process is further improved.

As shown in fig. 1, in a preferred embodiment, rollers 8 are further disposed around the bottom of the box body 6, the rollers 8 are connected with the box body 6, and the rollers 8 located at one end of the bottom of the box body 6 are universal wheels with brakes, so that the turnover box can be conveniently steered in the moving process through the universal wheels, and the brakes can limit the movement of the rollers 8, thereby facilitating the temporary fixation of the turnover box. The top of the box body 6 is also provided with a handrail 62, the handrail 62 is fixed with the box body 6 through bolts, and the handrail 62 is arranged to help control the turnover box in the rotating process.

As shown in fig. 1, in the preferred embodiment, the upper half of the box 6 is in circular arc transition with two sides corresponding to the opening 61. A dust curtain (not shown) is further disposed at the opening 61 of the box 6, and the dust curtain covers the opening 61 and is fixedly connected to the box 6. The dust curtain in this embodiment is made of transparent plastic. The dust-proof curtain can reduce the dust generated during the production and grinding of the blades from falling onto the blades in the turnover box and bringing the blades into the next procedure, namely, the workload of further cleaning the blades in the next procedure is reduced; meanwhile, the transparent dustproof curtain is also helpful for observing the placement condition of the blades in the turnover box.

As shown in fig. 2-3, in a preferred embodiment, the second accommodating cavity comprises second grooves 3 respectively located at two ends of the first groove 2, and the second grooves 3 are mutually symmetrical with each other. When placing specification for 1 section stationary blade on base 11, be located two shroud on 1 section stationary blade and block respectively in two second recesses 3, can accomplish placing and fixing 1 section stationary blade this moment. The second accommodating cavity further comprises third grooves 4 respectively positioned at two ends of the first groove 2, and the third grooves 4 are mutually centrosymmetric. The two sides of the first groove 2 are respectively provided with a fourth groove 5, the fourth grooves 5 are centrosymmetric, and the fourth grooves 5 are positioned between the second or third grooves 4. When placing specification for 2 sections of stationary blades on base 11, two shroud rings on 2 sections of stationary blades are clamped into two third grooves 4 respectively, and two outer peripheral rings on 2 sections of stationary blades are clamped into fourth grooves 5, so that the 2 sections of stationary blades can be placed and fixed.

As shown in fig. 2-3, in a preferred embodiment, the third groove 4 and the second groove 3 are overlapped with each other, and similarly, after the third groove 4 and the second groove 3 are overlapped with each other, the volume of the base 11 can be reduced after blades of various specifications can be placed, and the width of the third groove is larger than that of the second groove 3; of course, when the third groove 4 and the second groove 3 are separated from each other, the placement and fixation of the stationary blades with different specifications can be realized similarly. The second groove 3 and the third groove 4 are obliquely arranged relative to the first groove 2; the fourth grooves 5 are all parallel to the first grooves 2 so as to be fixed to the base 1 in correspondence with the shrouds of the stator blades. First recess 2 is the setting of falling trapezoidal, and the degree of depth of first recess 2 is greater than the degree of depth of second recess 3, third recess 4, fourth recess 5, because the blade root of moving blade is longer relatively, can keep the moving blade to place or fix the stability on base 11 after the bottom department extension maximize of first recess 2 to base 11. The length of the second groove 3 is greater than the length of the third groove 4.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A gas turbine blade turnover case which is characterized in that: the blade-taking-in and taking-out device comprises a box body and a plurality of bases, wherein openings for putting in or taking out blades are formed in one side or two sides of the box body, the box body is a single layer or the box body is divided into a plurality of layers, and the bases are fixed at the bottom in the box body or the bottom of each layer; a first accommodating cavity is formed in the upper end face of the base and is a first groove, the first groove is formed along the length direction of the base, and the first accommodating cavity is used for accommodating the moving blade; still be provided with the second on the up end of base and hold the chamber, the second holds the chamber and is used for placing the stator blade, the second holds the chamber and follows the length direction setting of base and with first chamber coincidence each other that holds.

2. The gas turbine blade turnover box according to claim 1, wherein: the base is arranged in one or more rows along the width direction in the box body, the base is divided into a plurality of rows along the length direction in the box body, a partition plate is arranged between every two rows of the bases, and the partition plates are fixedly connected with the box body.

3. The gas turbine blade turnover box according to claim 2, wherein: the bottom of the box body is also provided with rollers around, the rollers are connected with the box body, and the rollers at one end of the bottom of the box body are universal wheels with brakes.

4. The gas turbine blade turnover box according to claim 3, wherein: the box body is also provided with a handrail, and the handrail is fixedly connected with the box body.

5. The gas turbine blade turnover box according to claim 1, wherein: the upper half part of the box body is in arc-shaped transition arrangement corresponding to two sides of the opening.

6. The gas turbine blade turnover box according to claim 5, wherein: the opening part of box still is provided with dustproof curtain, dustproof curtain cover in on the opening, just dustproof curtain and box fixed connection.

7. The gas turbine blade turnover box according to claim 6, wherein: the dustproof curtain is made of transparent plastics.

8. The gas turbine blade turnover box according to claim 1, wherein: the second accommodating cavity comprises second grooves which are respectively positioned at two ends of the first groove, and the second grooves are centrosymmetric with each other;

the second accommodating cavity further comprises third grooves which are respectively positioned at two ends of the first groove, and the third grooves are centrosymmetric with each other; the third groove and the second groove are coincident with each other or are separated from each other.

9. The gas turbine blade turnover box according to claim 8, wherein: fourth grooves are respectively arranged on two sides of the first groove, the fourth grooves are centrosymmetric to each other, and the fourth grooves are positioned between the second grooves or the third grooves; the second groove and the third groove are obliquely arranged relative to the first groove; the fourth grooves are parallel to the first grooves.

10. The gas turbine blade turnover box according to claim 9, wherein: the first groove is in an inverted trapezoid shape, the depth of the first groove is larger than the depth of the second groove, the depth of the third groove and the depth of the fourth groove, and the length of the second groove is larger than the length of the third groove.