Bucket wheel blade transport mechanism for narrow passages

Abstract

The utility model belongs to the field of large infrastructure transportation, disclose a bucket type water wheel blade transportation mechanism for narrow lane, including base, connecting frock, two pairs of turnover oil cylinder and two oil supply components, base has turnover hinge support, connecting frock is hingedly arranged on the base through turnover hinge support, the oil supply component includes self -adaptation oil cylinder, a pair of oil supply pipeline and reversing valve, turnover oil cylinder is hingedly arranged on the combined flange face, turnover oil cylinder has turnover piston and sets up in the activity, the inside of turnover oil cylinder is separated and stores up the oil chamber, self -adaptation oil cylinder has the rodless piston and sets up in the activity, thereby the rodless piston will separate and form the oil cylinder sub -cavity of self -adaptation oil cylinder, the oil cylinder sub -cavity is communicated with the oil storage chamber through the oil supply mouth department correspondence, the oil cylinder sub -cavity has the sub -cavity import, and the sub -cavity import corresponds with the oil supply pipeline communication, when the oil supply device of outside supplies oil to self -adaptation oil cylinder, the piston movement of two pairs of turnover oil cylinder's turnover piston is inverse and synchronous.

Description

Technical Field

[0001] This utility model belongs to the field of large-scale infrastructure transportation, specifically relating to a bucket turbine blade transportation mechanism for narrow passages. Background Technology

[0002] like Figure 1 As shown, large bucket turbine discs are a common component of large hydraulic facilities. Since their production and use are often in different locations, it is unavoidable to transport them using pre-arranged large trailers (SPTs).

[0003] When transporting bucket turbine discs by large trailers, the bucket turbine discs need to be placed horizontally on the load-bearing horizontal surface of the large trailer with the end face as the placement surface. In order to ensure the stability of the large bucket turbine discs, which weigh tens of tons, the center of gravity of the large bucket turbine discs should be strictly aligned with the load-bearing horizontal surface before being transported by large trailers.

[0004] However, the diameter of the placement surface formed by the end face of the large bucket turbine is significantly larger than the width of the bearing horizontal plane. In order to keep the center of gravity of the large bucket turbine from deviating from the bearing horizontal plane, the opposite two sides of the large bucket turbine placed on the bearing horizontal plane extend beyond the two sides of the width direction of the large trailer. However, this makes it impossible for the large trailer carrying the large bucket turbine to pass through narrow roads (roads with one side of a mountain and the other side of a cliff). Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a bucket turbine blade transport mechanism for narrow passages. By mounting a large bucket turbine disc on a large trailer, the large trailer carrying the large turbine disc can pass through narrow passages.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A bucket turbine blade transport mechanism for narrow passages, mounted on a predetermined trailer via a load-bearing pad, wherein a connecting flange surface is formed in the middle of the bucket turbine blade, and a through hole for the shaft is located at the center of the connecting flange surface, characterized in that it comprises: a base, mounted on the load-bearing pad at its bottom, a tilting hinge support at the top of the base, the rotation axis of the tilting hinge support serving as the tilting axis, the tilting axis extending horizontally, a connecting fixture having a connecting flange corresponding to the connecting flange surface, the connecting fixture being hinged to the tilting hinge support, and two pairs of tilting cylinders, about the tilting axis. The system comprises two oil supply assemblies, each including an adaptive oil cylinder, a pair of oil supply lines, and a reversing valve. The tilting oil cylinder is hinged to the mating flange surface. A tilting piston is movably mounted within the tilting oil cylinder, with the angle between the extension direction of the tilting piston and the vertical direction within a predetermined range. The tilting piston has an integrally formed first piston rod and a first piston head. The circumferential direction of the first piston head is sealed against the inner wall of the tilting oil cylinder, and the first piston head also creates an oil storage chamber within the tilting oil cylinder. The free ends of both pairs of first piston rods are hinged to a load-bearing pad. The two lines formed by the two pairs of hinge points are parallel to the tilting axis. The tilting cylinder has an oil supply port and a cylinder inlet, with the cylinder inlet facing the upper surface of the load-bearing pad. The adaptive cylinder is mounted on the load-bearing pad. A rodless piston is movably installed inside the adaptive cylinder. The circumferential direction of the rodless piston is sealed against the inner wall of the adaptive cylinder, thus separating the adaptive cylinder into a pair of physically isolated cylinder sub-cavities. The pair of cylinder sub-cavities of the same oil supply assembly are connected to the two oil storage cavities of the pair of tilting cylinders through the corresponding oil supply ports. Each cylinder sub-cavity has a sub-cavity inlet. Furthermore, the two sub-chamber inlets of the same adaptive cylinder are connected to a pair of oil supply lines of the same oil supply component. When the external oil supply device supplies oil to the adaptive cylinder through one of the oil supply lines via the reversing valve, the oil pressure in the two cylinder sub-chambers causes the rodless piston to self-balance through the pressure difference. The flipping pistons of the two pairs of flipping cylinders perform reversible and synchronous piston movements. That is, one pair of the two pairs of flipping pistons of the two pairs of flipping cylinders extends out of the flipping cylinder, and the other pair retracts into the flipping cylinder, thereby causing the bucket turbine disc to flip in the vertical plane with a horizontal axis passing through its own diameter.

[0007] Preferably, the four hinge points formed by the two pairs of tilting cylinders on the mating flange surface are taken as corner points, and the intersection of the two diagonals of the resulting planar quadrilateral is located on the same vertical line as the hinge point between the tilting hinge support and the connecting flange. Preferably, the oil supply assembly further includes a one-way hydraulic lock. A pair of oil supply lines of the same oil supply assembly are connected to the adaptive cylinder through the one-way hydraulic lock. The one-way hydraulic lock is hollow, and its inner wall has a first flange, a second flange, and a third flange distributed sequentially along a predetermined direction. The first flange, the second flange, and the third flange divide the interior of the one-way hydraulic lock into a first chamber, a second chamber, a third chamber, and a fourth chamber, respectively. A one-way piston is movably disposed in the second chamber. The one-way piston has an integrally continuous second piston rod and a second piston head. The circumferential direction of the second piston head is sealed and fitted against the inner wall of the second chamber. The second piston head is closer to the first flange than the second piston rod. The third flange forms a one-way cut-off through hole. The cross-sectional area of ​​the second piston rod is smaller than the through area of ​​the one-way cut-off through hole. A cut-off entity is provided in the fourth cavity. The cut-off entity is elastically abutted against the inner wall of the fourth cavity, so that it is elastically resettable in the fourth cavity. The cut-off entity keeps the one-way cut-off through hole normally closed. The first cavity and the third cavity each have an oil inlet. The first cavity and the fourth cavity each have an oil outlet. The two oil inlets are connected to a pair of oil supply lines. The two oil outlets are connected to two cylinder sub-cavities.

[0008] Preferably, the base has a frustum structure that is smaller at the top and larger at the bottom. Compared with the prior art, the beneficial effects of this utility model are: 1. The present invention relates to a bucket turbine blade transport mechanism for narrow channels, comprising a base, a connecting fixture, two pairs of tilting cylinders, and two oil supply components. The base has a tilting hinge support at its top, which has a tilting axis. The connecting fixture is connected to the connecting flange face and is hinged on the tilting hinge support. The oil supply components include an adaptive cylinder, a pair of oil supply lines, and a reversing valve. The tilting cylinder is hinged on the connecting flange face. A tilting piston is movably disposed inside the tilting cylinder, creating an oil storage chamber within the tilting cylinder. A rodless piston is movably disposed inside the adaptive cylinder, thus dividing the adaptive cylinder into cylinder sub-cavities. The cylinder sub-cavities are connected to the oil storage chambers via corresponding oil supply ports. Each cylinder sub-cavity has a sub-cavity inlet, which corresponds to the oil supply line. When the external oil supply device supplies oil to the adaptive cylinder through the oil supply line via the reversing valve, the oil pressure in the two cylinder sub-chambers causes the rodless piston to self-balance due to the pressure difference. The flipping pistons of the two pairs of flipping cylinders perform reversible and synchronous piston movements, that is, one pair of flipping pistons extends out of the flipping cylinder, while the other pair retracts into the flipping cylinder. This causes the bucket turbine to flip in the vertical plane around a horizontal axis passing through its own diameter. In other words, while ensuring that the center of gravity of the large bucket turbine does not deviate from the correspondence with the bearing horizontal plane, the extension width of the large bucket turbine along the width direction of the large trailer is significantly reduced. Therefore, this utility model, when used to mount the large bucket turbine on a large trailer, enables the large trailer carrying the large turbine to pass through narrow passages.

[0009] 2. Because the oil supply assembly of this utility model also includes a one-way hydraulic lock, the oil supply pipeline is connected to the adaptive cylinder through the one-way hydraulic lock, the inner wall of the one-way hydraulic lock has a first flange, a second flange and a third flange, and the first flange, the second flange and the third flange divide the interior of the one-way hydraulic lock into a first chamber, a second chamber, a third chamber and a fourth chamber respectively. A one-way piston is movably arranged in the second chamber. The one-way piston has an integrally continuous second piston rod and a second piston head. The circumferential direction of the second piston head is sealed and fitted with the inner wall of the second chamber, and the second piston head is closer to the first flange than the second piston rod. The third flange forms a one-way shut-off through hole. The cross-sectional area is smaller than the through area of ​​the one-way shut-off through hole. A shut-off entity is provided in the fourth cavity, and the shut-off entity is elastically and restorably set in the fourth cavity by elastically abutting against the inner wall of the fourth cavity. The shut-off entity keeps the one-way shut-off through hole normally closed. The first cavity and the third cavity each have an oil inlet, and the first cavity and the fourth cavity each have an oil outlet. The two oil inlets are connected to a pair of oil supply pipelines, and the two oil outlets are connected to two cylinder sub-cavities. Therefore, this utility model locks the oil in the cylinder sub-cavities to prevent backflow by a one-way hydraulic lock, ensuring the stability of the flipping piston action, thereby ensuring the dynamic support of a large water turbine weighing tens of tons. Attached Figure Description

[0010] Figure 1 A schematic diagram of the blades of a large bucket turbine; Figure 2 This is a schematic diagram of a bucket turbine blade transport mechanism and a large bucket turbine disc for narrow channels, according to an embodiment of the present invention (oil supply pipeline and reversing valve are omitted). Figure 3 This is a schematic diagram of the connecting fixture according to an embodiment of the present utility model; Figure 4 This is a schematic diagram of the oil supply connection of the tilting cylinder according to an embodiment of the present invention; Figure 5 This is a schematic diagram of a one-way hydraulic lock according to an embodiment of the present invention.

[0011] In the diagram: 100, Bucket turbine blade conveying mechanism for narrow channels; B, Bucket turbine disc; B1, Connecting flange face; B11, Through-hole; B12, Flange threaded hole; P, Load-bearing pad; 10, Base; 11, Tilting hinge support; D, Tilting axis; 20, Connecting fixture; 21, Connecting flange; 21a, Connecting threaded hole; 23, Hinge plate; 31, Tilting cylinder; 31a, Cylinder inlet; 31b, Oil reservoir; 311, Tilting piston; 311a, First piston head; 311b, First piston rod. 41. Adaptive cylinder; 411. Rodless piston; 41a. Cylinder sub-cavity; 42. One-way hydraulic lock; 42a. First inlet; 42b. Second inlet; 42c. First outlet; 42d. Second outlet; 421. First flange; 421a. First cavity; 421b. Second cavity; 422. Second flange; 422a. Third cavity; 423. Third flange; 423a. Fourth cavity; 423b. One-way shut-off through hole; 424. One-way piston; 424a. Second piston head; 424b. Second piston rod; 425. Shut-off entity; 426. Return spring; T. Oil supply line. Detailed Implementation

[0012] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the following embodiments, in conjunction with the accompanying drawings, specifically illustrate the bucket turbine blade transport mechanism for narrow channels of this utility model. It should be noted that the description of these embodiments is for the purpose of helping to understand this utility model, but does not constitute a limitation on this utility model.

[0013] In this embodiment, the bucket turbine blade transport mechanism for narrow passages is mounted on a predetermined trailer via a load-bearing pad. A connecting flange surface is formed in the center of the bucket turbine disc, and the center of the connecting flange surface has a through-hole. like Figure 2 As shown, the bucket turbine blade transport mechanism 100 for narrow channels includes a base 10, a connecting fixture 20, a tilting cylinder 31, and an oil supply assembly.

[0014] The base 10 has a frustum structure that is smaller at the top and larger at the bottom. It is set on the load-bearing pad P at the bottom, and the load-bearing pad P is detachably and horizontally set on the intended trailer. Specifically, the load-bearing pad P is rectangular, and the bottom surface of the base 10 is located in the middle of the load-bearing pad P.

[0015] The top of the base 10 has a flip hinge support 11, with the rotation axis of the flip hinge support 11 serving as the flip axis D. The flip axis D extends horizontally. Specifically, the bucket turbine disk B is hinged on the flip hinge support 11a via the connecting fixture 20, so that the bucket turbine disk B can flip relative to the base 10 in the vertical plane with the flip axis D as the rotation axis.

[0016] like Figure 3 As shown, the connecting fixture 20 is hinged on the flip hinge support 11, and the connecting fixture 20 has a connecting flange 21.

[0017] The connecting flange 21 is threadedly connected to the mating flange face B1, and the connecting fixture 20 is hingedly mounted on the flip hinge support 11. Specifically, the connecting flange 21 is a horizontal circular plate and has multiple mating thread holes 21a corresponding to the flange thread hole B12. The connecting fixture 20 also has a hinge support plate portion 23 formed vertically on the bottom surface of the connecting flange 21. The hinge support plate portion 23 cooperates with the flip hinge support 11 to form a hinged connection. Specifically, the hinge support plate portion 23 passes through the through hole B11.

[0018] There are two pairs of tilting cylinders 31, which are symmetrically distributed about the tilting axis D.

[0019] like Figure 4 As shown, the tilting cylinder 31 is hinged on the connecting flange surface B1. The tilting cylinder 31 has an oil supply port (not shown in the figure) and a cylinder port 31a, with the cylinder port 31a facing the upper surface of the load-bearing pad P.

[0020] A tilting piston 311 is movably disposed inside the tilting cylinder 31. The angle between the extension direction of the tilting piston 311 and the vertical direction is within a predetermined angle range. The tilting piston 311 has an integrally formed first piston rod 311b and a first piston head 311a. The circumference of the first piston head 311a is sealed and fitted against the inner wall of the tilting cylinder 31. The first piston head 311a separates an oil storage chamber 31b inside the tilting cylinder 31. The free ends of the two pairs of first piston rods 311b are hinged to the load-bearing pad P. The two lines formed by the two pairs of hinge points are parallel to the tilting axis D. Specifically, the first piston head 311a forms a dynamic sealing structure with the inner wall of the tilting cylinder 31 through piston movement. The predetermined angle range is small. Therefore, when the tilting piston 311 extends and retracts relative to the tilting cylinder 31, the extension line of the tilting piston 311 continuously changes and is basically vertically extended. The four hinge points formed by the two pairs of tilting cylinders 31 on the mating flange surface B1 are taken as corner points. The intersection of the two diagonals of the resulting planar quadrilateral is located on the same vertical line as the hinge point between the tilting hinge support 11 and the connecting flange 21.

[0021] The number of oil supply components is two and corresponds to two pairs of tilting cylinders 31. The oil supply components include an adaptive cylinder 41, a one-way hydraulic lock 42, a pair of oil supply lines T and a reversing valve (not shown in the figure). The pair of oil supply lines T of the same oil supply component are connected to the adaptive cylinder 41 through the one-way hydraulic lock 42, and the adaptive cylinder 41 is connected to the pair of tilting cylinders 31.

[0022] The adaptive cylinder 41 is mounted on the load-bearing pad P. A rodless piston 411 is movably mounted inside the adaptive cylinder 41. The circumferential direction of the rodless piston 411 is sealed and fitted with the inner wall of the adaptive cylinder 41, thereby separating the adaptive cylinder 41 into a pair of physically isolated cylinder sub-cavities 41a. The pair of cylinder sub-cavities 41a of the same oil supply assembly are connected to the two oil storage chambers 31b of the pair of tilting cylinders 31 through the corresponding oil supply ports. The cylinder sub-cavity 41a has a sub-cavity inlet (not shown in the attached figure), and the two sub-cavity inlets of the same adaptive cylinder 41 are connected to a pair of oil supply lines P of the same oil supply component. When the external oil supply device (not shown in the attached figure) supplies oil to the adaptive cylinder 41 through one of the oil supply lines P via the reversing valve, the oil pressure in the two cylinder sub-cavities 41a causes the rodless piston 411 to self-balance through the pressure difference. The two flipping pistons 311 of different flipping cylinders 31 perform reversible and synchronous piston movements. That is, one pair of flipping pistons 311 of each pair of flipping cylinders 31 extends out of the flipping cylinder 31, and the other pair retracts into the flipping cylinder 31, thereby causing the bucket turbine disk B to flip in the vertical plane with a horizontal axis passing through its own diameter. Specifically, the two pairs of flipping pistons 311 enable the bucket turbine disk B to achieve a flip of ±35°-45° with the vertical plane as the reference, and the bucket turbine disk B is in a horizontal state before flipping.

[0023] like Figure 5 As shown, the one-way hydraulic lock 42 is hollow, and its inner wall has a first flange 421, a second flange 422, and a third flange 423 arranged sequentially along a predetermined direction. The first flange 421, the second flange 422, and the third flange 423 divide the interior of the one-way hydraulic lock 42 into a first cavity 421a, a second cavity 421b, a third cavity 422a, and a fourth cavity 423a, respectively. A one-way piston 424 is movably disposed in the second cavity 421b. The one-way piston 424 has an integrally continuous second piston rod portion 424b and a second piston head 424a. The circumferential direction of the second piston head 424a is adjacent to that of the second cavity 421a. The inner wall of b is sealed and fitted, and the second piston head 424a is closer to the first flange 421 than the second piston rod 424b. The third flange 423 forms a one-way cut-off through hole 423b. The cross-sectional area of ​​the second piston rod 424b is smaller than the through area of ​​the one-way cut-off through hole 423b. Specifically, the one-way hydraulic lock 42 is a cuboid, and the predetermined direction is its length direction. When the one-way piston 424 moves, the second piston head 424a and the inner wall of the second cavity 421b form a dynamic sealing structure, and at this time the second piston rod 424b can pass through the one-way cut-off through hole 423b and enter the fourth cavity 423a.

[0024] A stop body 425 is provided in the fourth cavity 423a. The stop body 425 is elastically and repositionably disposed in the fourth cavity 423a by elastically abutting against the inner wall of the fourth cavity 423a. The stop body 425 normally closes the one-way stop hole 423b. Specifically, when the second piston rod 424b can pass through the one-way stop hole 423b and enter the fourth cavity 423a, the second piston rod 424b can push open the stop body 425, so that the third cavity 422a communicates with the fourth cavity 423a through the one-way stop hole 423b. In this embodiment, the stop body 425 is spherical.

[0025] The first chamber 421a and the third chamber 422a each have an oil inlet (not shown in the attached figure), and the first chamber 421a and the fourth chamber 423a (not shown in the attached figure) each have an oil outlet. The two oil inlets are connected to a pair of oil supply lines T, and the two oil outlets are connected to two cylinder sub-chambers 41a. That is, the two cylinder sub-chambers 41a of an adaptive cylinder 41 are connected to a pair of oil supply lines T. Specifically, the one-way hydraulic lock 42 is a mature product used in this field and can be easily purchased on the market.

[0026] The following describes the implementation of the bucket turbine blade transport mechanism 100 for narrow channels with reference to the embodiments: When the scheduled trailer is traveling on the narrow road, the bucket turbine disk B is rotated relative to the base 10 in advance, so that the orthographic projection of the bucket turbine disk B on the horizontal plane becomes narrower. Then, the scheduled trailer carrying the inclined bucket turbine disk B passes through the narrow road.

[0027] The above embodiments are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Various modifications or variations that can be made by those skilled in the art without creative effort within the scope of the appended claims are still within the scope of protection of this patent.

[0028] The above embodiments are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Various modifications or variations that can be made by those skilled in the art without creative effort within the scope of the appended claims are still within the scope of protection of this patent.

Claims

1. A bucket turbine blade transport mechanism for narrow channels, comprising a load-bearing pad mounted on a predetermined trailer, wherein a connecting flange surface is formed in the middle of the bucket turbine blade, and the center of the connecting flange surface has a through hole for the shaft, characterized in that, include: The base is mounted on the load-bearing pad at its bottom, and the top of the base has a flip hinge support. The rotation axis of this flip hinge support serves as the flip axis, which extends horizontally. The connecting fixture has a connecting flange that is connected to the mating flange face, and the connecting fixture is hinged to the flip hinge support. Two pairs of tilting cylinders are symmetrically distributed about the tilting axis. Two oil supply assemblies, each comprising an adaptive hydraulic cylinder, a pair of oil supply lines, and a reversing valve. The tilting cylinder is hinged to the flange surface. A tilting piston is movably disposed within the tilting cylinder. The angle between the extension direction of the tilting piston and the vertical direction is within a predetermined range. The tilting piston has an integrally formed first piston rod and a first piston head. The circumferential direction of the first piston head is sealed against the inner wall of the tilting cylinder, and the first piston head separates an oil storage chamber inside the tilting cylinder. The free ends of both pairs of first piston rods are hinged to the load-bearing pad, and the two lines formed by the two pairs of hinge points are parallel to the tilting axis. The tilting cylinder has an oil supply port and a cylinder inlet, with the cylinder inlet facing the upper surface of the load-bearing pad. The adaptive hydraulic cylinder is mounted on the load-bearing pad. A rodless piston is movably mounted inside the adaptive hydraulic cylinder. The circumferential direction of the rodless piston is sealed against the inner wall of the adaptive hydraulic cylinder, thereby separating the adaptive hydraulic cylinder into a pair of physically isolated cylinder sub-cavities. The pair of cylinder sub-cavities of the same oil supply assembly are connected to the two oil storage chambers of the pair of tilting hydraulic cylinders through corresponding oil supply ports. The cylinder sub-cavity has a sub-cavity inlet, and the two sub-cavity inlets of the same adaptive cylinder are connected to a pair of oil supply lines of the same oil supply assembly. When an external oil supply device supplies oil to the adaptive cylinder through one of the oil supply lines via the reversing valve, the oil pressure in the two cylinder sub-cavities is adjusted by the pressure difference to make the rodless piston adaptively balanced. The flipping pistons of the two pairs of flipping cylinders perform reversible and synchronous piston movements, that is, one pair of the two pairs of flipping pistons of the two pairs of flipping cylinders extends out of the flipping cylinder, and the other pair retracts into the flipping cylinder, thereby causing the bucket turbine to flip in the vertical plane around a horizontal axis passing through its own diameter.

2. The bucket turbine blade conveying mechanism for narrow channels according to claim 1, characterized in that: in, The four hinge points formed by the two pairs of tilting cylinders on the connecting flange surface are taken as corner points. The intersection of the two diagonals of the resulting planar quadrilateral is located on the same vertical line as the hinge point between the tilting hinge support and the connecting flange.

3. The bucket turbine blade conveying mechanism for narrow channels according to claim 1, characterized in that: in, The oil supply assembly also includes a one-way hydraulic lock, and a pair of oil supply lines of the same oil supply assembly are connected to the adaptive cylinder through the one-way hydraulic lock. The one-way hydraulic lock is hollow, and its inner wall has a first flange, a second flange, and a third flange arranged sequentially along a predetermined direction. These flanges divide the interior of the one-way hydraulic lock into a first cavity, a second cavity, a third cavity, and a fourth cavity, respectively. A one-way piston is movably disposed within the second cavity. This one-way piston has an integrally continuous second piston rod and a second piston head. The circumferential direction of the second piston head is sealed against the inner wall of the second cavity, and the second piston head is closer to the first flange than the second piston rod. The third flange... A one-way shut-off through-hole is formed, the cross-sectional area of ​​the second piston rod is smaller than the through area of ​​the one-way shut-off through-hole, a shut-off entity is provided in the fourth cavity, and the shut-off entity is elastically and restorably disposed in the fourth cavity by elastically abutting against the inner wall of the fourth cavity, and the shut-off entity normally closes the one-way shut-off through-hole, the first cavity and the third cavity respectively have oil inlets, the first cavity and the fourth cavity respectively have oil outlets, the two oil inlets are correspondingly connected to the pair of oil supply pipelines, and the two oil outlets are correspondingly connected to the two cylinder sub-cavities.

4. The bucket turbine blade conveying mechanism for narrow channels according to claim 1, characterized in that: in, The base has a frustum structure that is smaller at the top and larger at the bottom.

Images