CN210422851U - Rotating wheel of water turbine - Google Patents

Abstract

The utility model discloses a runner of hydraulic turbine, evenly set up the runner below the upper plate and install the connection fill below the runner including upper plate, annular, the annular evenly is provided with the screw rod above the upper plate, and the upper plate facial make-up is equipped with the butt plate, and the one end central point of butt plate puts the connection transmission shaft, and the position that corresponds each screw rod on the butt plate is equipped with respectively and wears the hole. The backup pad triangular supports transmission shaft and each junction of butt plate through the even setting of annular, can make transmission shaft and butt plate junction torsion resistance stronger, the post of inserting that evenly sets up through the annular inserts the cooperation with the slot, drive the transmission shaft at the runner and rotate the in-process, it can accept partly radial torsion to insert the post, the sideboard that evenly sets up as the annular is with the sliding fit of spout, can radially rotate the support to the butt plate, accept partly radial torsion, can share the radial torsion that the screw rod received, reduce the radial torsion that receives on the screw rod.

Description

Rotating wheel of water turbine

Technical Field

The utility model relates to a runner of hydraulic turbine.

Background

The water turbine runner is one of four important flow passage components of the water turbine, and the important component of the water turbine for doing work is a main component for converting water flow energy into rotation of a transmission shaft.

The mixed flow turbine runner that has now, the upside is provided with the upper plate, the following annular of upper plate evenly is provided with the platelike runner of arc, the lower extreme of runner is provided with the connecting hopper, and the upper plate annular evenly is provided with the screw rod, the upper end central point of butt joint plate puts the connection transmission shaft, and the annular evenly is provided with the hole of wearing on the butt joint plate, can penetrate the screw rod one by one with wearing out the hole, and embolia the backing ring on the screw rod, and can with nut locking screw, can make the transmission shaft and turbine runner fixed together, the weak point of existence has: when the rotating wheel is impacted by flowing water to drive the transmission shaft to rotate, the main radial torque is borne by the screw, so that the screw is greatly damaged by twisting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a runner of hydraulic turbine to propose main radial torsion and accept through the screw rod among the solution above-mentioned background art, therefore turn round the big problem of book injury to the screw rod.

In order to achieve the above object, an embodiment of the present invention provides a runner of a water turbine, comprising an upper plate, a runner wheel uniformly arranged in a ring shape below the upper plate, and a connecting hopper arranged below the runner wheel, wherein the upper plate is uniformly provided with screw rods in a ring shape, the upper plate is provided with a butt plate, the center of one end of the butt joint plate is connected with a transmission shaft, the positions of the butt joint plate, which correspond to the screw rods, are respectively provided with a through hole, the screw rod penetrates out of the penetrating hole, a section of the screw rod, which penetrates out of the penetrating hole, is sleeved with a backing ring, the screw rod is locked by a nut, the lower surface of the butt joint plate is provided with inserting columns, the upper plate and each position corresponding to the inserting columns are respectively provided with a slot, the inserting column is inserted into the inserting slot, a side plate is arranged on the upper plate and close to the butt joint plate, a sliding groove is arranged on the outer edge of the butt joint plate, and the side plate is inserted into the sliding groove.

Furthermore, the junction of transmission shaft and butt joint plate is the annular and evenly provided with the backup pad.

Further, the supporting plate is of a triangular plate-shaped structure.

Furthermore, the inserting column is of a cylindrical structure, and the inserting groove is of a circular groove structure.

Furthermore, the side plate is of a square plate structure, and the sliding groove is of a square groove structure.

To sum up, the utility model has the advantages of it is following: the backup pad triangular supports transmission shaft and each junction of butt plate through the even setting of annular, can make transmission shaft and butt plate junction torsion resistance stronger, the post of inserting that evenly sets up through the annular inserts the cooperation with the slot, drive the transmission shaft at the runner and rotate the in-process, it can accept partly radial torsion to insert the post, slide fit when the sideboard that the annular evenly sets up and spout, can radially rotate the support to the butt plate, and accept partly radial torsion, thereby can share the radial torsion that the screw rod received, reduce the radial torsion that receives on the screw rod, main radial torsion has been solved and has been accepted through the screw rod, therefore twist and roll over the big problem of injury to the screw rod.

Drawings

Fig. 1 is a schematic view partially cut away from a front view in one embodiment of the present invention;

FIG. 2 is a schematic view of a rotor blade distribution according to an embodiment of the present invention;

FIG. 3 is a schematic view of the arrangement of the posts and slots according to an embodiment of the present invention;

fig. 4 is a schematic top view of an embodiment of the present invention.

Wherein, 1 upper plate, 2 runner vanes, 3 connecting buckets, 4 screws, 5 transmission shafts, 6 butt joint plates, 7 through holes, 8 backing rings, 9 nuts, 10 supporting plates, 11 inserting columns, 12 inserting grooves, 13 side plates and 14 sliding grooves.

Detailed Description

Referring to fig. 1, 2 and 4, a runner of a water turbine includes an upper plate 1, a runner wheel 2 uniformly disposed in a ring shape below the upper plate 1, and a connecting hopper 3 disposed below the runner wheel 2, the upper plate 1 is a circular plate structure, the runner wheel 2 is an arc plate structure, the runner wheel 2 is uniformly disposed in a ring shape at a lower end of the upper plate 1, the connecting hopper 3 is a circular funnel structure, a lower end of the runner wheel 2 is connected to the connecting hopper 3, the upper plate 1, the runner wheel 2 and the connecting hopper 3 are a fusion-cast integrated member, a screw rod 4 is uniformly disposed in a ring shape above the upper plate 1, the screw rod 4 is uniformly disposed at an upper end of the upper plate 1 in a ring shape, the screw rod 4 and the upper plate 1 are a fusion-cast integrated member, a butt plate 6 is disposed on the upper plate 1, the butt plate 6 is a circular plate structure, a lower end of the butt plate 6 is in sliding contact with an upper end of the upper plate 1, a center position, butt plate 6 is founding integrative piece with transmission shaft 5, butt plate 6's lower extreme sliding contact upper plate 1's upper end, on butt plate 6, the position that corresponds each screw rod 4 is equipped with respectively wears to hold a hole 7, it is the round hole structure to wear out hole 7, screw rod 4 wears out hole 7, screw rod 4 inserts the cooperation for sliding with wearing out hole 7, on screw rod 4, wear out one section cover of wearing hole 7 and be equipped with backing ring 8, backing ring 8 is the ring structure, screw rod 4 passes through nut 9 and locks, when nut 9 locking screw rod 4, nut 9 can compress tightly backing ring 8, make 8 lower extremes of backing ring compress tightly butt plate 6, the restriction is worn out hole 7 and is deviate from screw rod 4, can make the stable butt joint runner of transmission shaft.

Referring to fig. 1, 3 and 4, a supporting plate 10 is uniformly arranged at the joint of a transmission shaft 5 and a butt plate 6 in a ring shape, the supporting plate 10 is welded with the transmission shaft 5 and the butt plate 6, the supporting plate 10 is in a triangular plate-shaped structure, the joint of the transmission shaft 5 and the butt plate 6 is supported in a triangular manner by the supporting plate 10 uniformly arranged in a ring shape, so that the torsion resistance at the joint of the transmission shaft 5 and the butt plate 6 is stronger, inserting posts 11 are distributed below the butt plate 6, the inserting posts 11 are uniformly arranged at the lower end of the butt plate 6 in a ring shape, the inserting posts 11 and the butt plate 6 are integrated by casting, slots 12 are respectively arranged at positions on the upper plate 1 corresponding to the inserting posts 11, the slots 12 are uniformly arranged at the upper end of the upper plate 1 in a ring shape, the inserting posts 11 are in sliding insertion fit with the slots 12, the inserting posts 11 are inserted into the slots 12, the inserting posts 11 are in a cylindrical structure, the slots 12 are in, in the rotating process of the rotating wheel driving transmission shaft 5, the inserting column 11 can accept a part of radial torsion, a side plate 13 is arranged on the upper plate 1 and close to the position of the butt joint plate 6, the side plate 13 and the upper plate 1 are fusion-cast integrated pieces, a sliding groove 14 is arranged on the outer edge of the butt joint plate 6, the side plate 13 is inserted into the sliding groove 14, the side plate 13 is of a square plate-shaped structure, the sliding groove 14 is of a square groove structure, when the annular side plate 13 and the sliding groove 14 are in sliding fit, radial rotation supporting can be carried out on the butt joint plate 6, and a part of radial torsion is accepted.

Before installation, the butt plate 6 and the upper plate 1 are in a separated state, the screw rods 4 corresponding to the penetrating holes 7 can be inserted firstly, the inserting columns 11 can be inserted into the slots 12 one by one, the sliding grooves 14 can be sleeved into the side plates 13 one by one, the cushion rings 8 are sleeved on the screw rods 4, finally the nuts 9 are locked, when the screw rods 4 are locked by the nuts 9, the cushion rings 8 can be pressed by the nuts 9, so that the lower ends of the cushion rings 8 press the butt plate 6 to limit the penetrating holes 7 to be separated from the screw rods 4, the transmission shaft can be stably butted with the rotating wheel, the joints of the transmission shaft 5 and the butt plate 6 are supported in a triangular mode through the supporting plates 10 uniformly arranged in an annular mode, the torsion resistance of the joints of the transmission shaft 5 and the butt plate 6 is stronger, the inserting columns 11 uniformly arranged in an annular mode are inserted and matched with the slots 12, in the rotating process that the transmission shaft 5 is driven by the rotating wheel, the, the butt plate 6 can be radially and rotatably supported and can bear a part of radial torsion, so that the radial torsion borne by the screw rod 4 can be shared, and the radial torsion borne by the screw rod 4 can be reduced.

While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims (5)

1. The utility model provides a runner of hydraulic turbine, includes that upper plate (1), annular evenly set up runner wheel (2) below upper plate (1) and install connecting hopper (3) below runner wheel (2), its characterized in that: the upper plate (1) is evenly provided with screw rods (4) in an annular shape, the upper plate (1) is provided with a butt joint plate (6), the center of one end of the butt joint plate (6) is connected with a transmission shaft (5), positions on the butt joint plate (6) corresponding to the screw rods (4) are respectively provided with a through hole (7), the screw rods (4) penetrate out of the through holes (7), one sections of the screw rods (4) penetrating out of the through holes (7) are sleeved with cushion rings (8), the screw rods (4) are locked through nuts (9), inserting columns (11) are distributed below the butt joint plate (6), each position on the upper plate (1) corresponding to the inserting columns (11) is respectively provided with a slot (12), the inserting columns (11) are inserted into the slots (12), a side plate (13) is distributed on the upper plate (1) and close to the butt joint plate (6), and a chute (14) is distributed on the outer edge of the butt joint plate (6), the side plate (13) is inserted into the chute (14).

2. The runner for a hydraulic turbine of claim 1, wherein: and supporting plates (10) are uniformly arranged at the joint of the transmission shaft (5) and the butt plate (6) in an annular shape.

3. The runner for a hydraulic turbine according to claim 2, wherein: the supporting plate (10) is of a triangular plate-shaped structure.

4. The runner for a hydraulic turbine of claim 1, wherein: the inserting column (11) is of a cylindrical structure, and the inserting groove (12) is of a circular groove structure.

5. The runner for a hydraulic turbine of claim 1, wherein: the side plate (13) is of a square plate structure, and the sliding groove (14) is of a square groove structure.

Images