CN210028845U

CN210028845U - Be used for power generation of power station to use hydraulic turbine group stator bar transfer device

Info

Publication number: CN210028845U
Application number: CN201920935682.3U
Authority: CN
Inventors: 袁向东; 刘宇; 周波
Original assignee: Sichuan Songlin River Basin Development Co Ltd
Current assignee: Sichuan Songlin River Basin Development Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-02-07
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a stator bar transfer device of a hydraulic turbine set for hydropower station power generation, which comprises a supporting leg, a roller and an upper supporting plate arranged on the supporting leg; the surface of the supporting plate is provided with a damping groove; one side edge of the supporting plate is connected with one side edge of the damping groove; the other side edge of the supporting plate is hinged with a pressing plate; a damping plate is movably arranged in the damping groove; the upper surface of the damping plate is provided with first clamping grooves in an arrayed manner; second clamping grooves are arranged on the lower surface of the pressing plate in a row; the first clamping groove and the second clamping groove are correspondingly matched to form a stator bar placing cavity; arc-shaped grooves are also formed in the two ends of the second clamping groove; the technical scheme adopted by the utility model solves the problems that when the existing transfer device is transferred, the damping plate is sometimes righted to the supporting plate when an operator is needed, so that the working strength of the operator is high and hidden danger exists; the existing transfer device is of an open structure, and dust is easily accumulated in a groove for placing the stator bar, so that the insulation performance of the stator bar is affected by the dust attached to the bar.

Description

Be used for power generation of power station to use hydraulic turbine group stator bar transfer device

Technical Field

The utility model relates to a transmission of electricity technical field, concretely relates to be used for power station for electricity generation turbine unit stator bar transfer device.

Background

The locations of the hydropower stations are mostly in mountainous areas, and the transportation of the stator bar in a construction site has certain technical requirements in the installation process of the large-scale hydraulic generator; the stator bar is easy to deform and damage the insulation when being careless in the process of conveying the stator bar into a unit after being taken out from the packing box; at present, a special stator wire rod transfer device is used for conveying a stator wire rod in a construction site, the stator wire rod is clamped through a tray, a damping plate is placed on the tray and is transported through damping support legs and wheels at the bottom of the tray, the conveying stability is improved, and the damage to the stator wire rod is reduced, but when the existing transfer device is used for transferring, the damping plate and the supporting plate can slide left and right easily from the tray and even fly out, and an operator needs to be righted on the supporting plate at intervals, so that the working strength of the operator is high, and hidden danger exists; in addition, the existing transfer device is of an open structure, dust is easily accumulated in a groove for placing the stator bar, and the insulation performance of the stator bar is easily affected by the dust attached to the bar after the stator bar is placed in the groove.

Disclosure of Invention

The utility model aims to provide a stator bar transfer device of a hydraulic turbine unit for hydropower station power generation, which solves the problems that when the existing transfer device is transferred, an operator needs to right a damping plate on a supporting plate from time to time, so that the working strength of the operator is high and hidden danger exists; the existing transfer device is of an open structure, and dust is easily accumulated in a groove for placing the stator bar, so that the insulation performance of the stator bar is affected by the dust attached to the bar.

In order to solve the technical problem, the utility model adopts the following technical scheme: a stator bar transfer device of a hydraulic turbine set for generating electricity in a hydropower station comprises supporting legs, rollers arranged at the bottom ends of the supporting legs and supporting plates arranged on the supporting legs; a damping groove is formed in the surface of the supporting plate; one side edge of the supporting plate is connected with one side edge of the damping groove; the other side edge of the supporting plate is hinged with a pressing plate; a damping plate is movably arranged in the damping groove; the upper surface of the damping plate is provided with first clamping grooves in an arrayed manner; second clamping grooves are formed in the lower surface of the pressing plate in an arrayed mode; the first clamping groove and the second clamping groove are correspondingly matched to form a stator bar placing cavity; arc-shaped grooves are further formed in the two ends of the second clamping groove;

furthermore, a damping cross beam is arranged in the damping groove; the damping cross beam is made of flexible materials;

further, shock pads are arranged on the inner walls of the first clamping groove and the second clamping groove; the shock absorption cushion is made of flexible materials;

furthermore, one side edge of the pressing plate is hinged with the supporting plate through a hinge; a clamping plate extends downwards from the edge of the other side of the pressing plate; the edge of the clamping plate is provided with a clamping rib; the clamping ribs are provided with bulges;

furthermore, the two supporting legs at the same side are connected through a transverse plate; a clamping groove matched with the clamping rib is formed in the surface of the transverse plate, which is far away from one side of the pressing plate;

further, the protrusion is wedge-shaped; the inner walls of the two sides of the clamping groove are inclined planes matched with the protrusions;

a lifting ring groove is arranged on the surface of the damping plate; and a hanging ring is hinged in the hanging ring groove.

Compared with the prior art, the beneficial effects of the utility model are one of following at least:

1. the surface of the supporting plate is provided with a damping groove, and the damping plate can be clamped in the damping groove to prevent the damping plate from sliding left and right away from the supporting plate;

2. one side edge of the damping groove is connected with one side edge of the supporting plate, and the damping plate can be slowly pushed into the damping groove through the connection part, so that the damping plate is prevented from being directly clamped into the damping groove from top to bottom, and the vibration is reduced;

3. the clamp plate of articulated connection in layer board one side can play the effect of pushing down the shock attenuation board, vibrates from top to bottom when avoiding transporting, can seal the marginal one side of shock attenuation groove simultaneously, can also cover the shock attenuation board simultaneously when not using transfer device, avoids in the dust gets into the first draw-in groove on the shock attenuation board for the last adhesion dust of stator bar.

4. After the first clamping groove 7 on the damping plate and the second clamping groove 8 on the pressing plate are matched with each other to form the stator bar placing groove, the stator bar can be wrapped, the influence of vibration on the stator bar is reduced, and meanwhile, the pressing plate 5 can be prevented from extruding the stator bar;

5. only one side edge of the damping groove is connected with the edge of the supporting plate, other edges of the damping groove are not connected with the edge of the supporting plate, the setting direction of the first clamping groove and the installation direction of the damping plate are perpendicular on the same plane, so that irregular structures at two ends of the stator bar placed in the first clamping groove can be placed on the surface of the supporting plate, and when the pressing plate presses downwards, the arc-shaped grooves formed at two ends of the second clamping groove can be prevented from pressing the irregular structures.

Drawings

Fig. 1 is a front view schematic structural diagram of the utility model when the damping plate is not installed.

Fig. 2 is the utility model discloses the installation shock attenuation board process look sideways at the schematic diagram.

Fig. 3 is a schematic view of the overlooking structure of the shock absorbing plate of the present invention.

FIG. 4 is a schematic top view of the damping plate.

In the drawings: 1. supporting legs; 2. a roller; 3. a support plate; 4. a damping groove; 5. pressing a plate; 6. a damper plate; 7. a first card slot; 8. a second card slot; 9. an arc-shaped slot; 10. a shock-absorbing cross beam; 11. a shock pad; 12. clamping a plate; 13. clamping ribs; 14. a protrusion; 15. a transverse plate; 16. a card slot; 17. a ring hanging groove; 18. a lifting ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1: as shown in fig. 1 to 4, the transferring device for the stator bar of the hydraulic turbine set for generating electricity in the hydropower station comprises a supporting leg 1, a roller 2 arranged at the bottom end of the supporting leg 1 and a supporting plate 3 arranged on the supporting leg 1; a damping groove 4 is formed in the surface of the supporting plate 3; one side edge of the supporting plate 3 is connected with one side edge of the damping groove 4; the other side edge of the supporting plate 3 is hinged with a pressing plate 5; a damping plate 6 is movably arranged in the damping groove 4; the upper surface of the damping plate 6 is provided with first clamping grooves 7 in an arrayed manner; a second clamping groove 8 is arranged on the lower surface of the pressing plate 5; the first clamping groove 7 and the second clamping groove 8 are correspondingly matched to form a stator bar placing cavity;

the surface of the supporting plate 3 is provided with a damping groove 4, and a damping plate 6 can be clamped in the damping groove 4 to prevent the supporting plate 3 from sliding left and right; one side edge of the damping groove 4 is connected with one side edge of the supporting plate 3, and the damping plate 6 can be slowly pushed into the damping groove 4 through the connection part, so that the direct clamping into the damping groove 4 from top to bottom is avoided, and the vibration is reduced; the pressing plate 5 is hinged to one side of the supporting plate 3, so that the effect of pressing the damping plate 6 can be achieved, the vertical vibration during transportation can be avoided, one side edge of the damping groove 4 can be sealed, the damping plate 6 can be covered when the transfer device is not used, and dust is prevented from entering the first clamping groove 7 on the damping plate 6, so that dust is adhered to the stator bar; only one side edge of the damping groove 4 is connected with the edge of the supporting plate 3, other edges of the damping groove 4 are not connected with the edge of the supporting plate 3, the setting direction of the first clamping groove 7 is perpendicular to the mounting direction of the damping plate 6 on the same plane, so that irregular structures at two ends of a stator bar placed in the first clamping groove 7 can be placed on the surface of the supporting plate 3, and when the pressing plate 5 presses down, the arc-shaped grooves 9 formed at two ends of the second clamping groove 8 can be prevented from pressing the irregular structures.

A damping cross beam 10 is arranged in the damping groove 4; the damping cross beam 10 is made of flexible materials; a variety of flexible materials may be selected for the shock absorbing beam 10, with the shock absorbing beam 10 acting to dampen vibrations.

Shock absorption pads 11 are arranged on the inner walls of the first clamping groove 7 and the second clamping groove 8; the shock pad 11 is made of flexible materials; the shock absorption pads 11 arranged on the inner walls of the first clamping groove 7 and the second clamping groove 8 can reduce damage to the stator bars.

The edge of one side of the pressing plate 5 is hinged with the supporting plate 3 through a hinge; a clamping plate 12 extends downwards from the other side edge of the pressing plate 5; the edge of the clamping plate 12 is provided with a clamping rib 13; the clamping rib 13 is provided with a bulge 14; the pressing plate 5 is hinged with the edge of the supporting plate 3 through a hinge, and the hinge can be a conventionally used hinge or any other reasonable hinged connecting piece; the clamping plate 12 extending downwards from the edge of one side edge of the pressing plate 5 is used for sealing the unsealed side edge of the damping groove 4 after the pressing plate 5 is put down, so that the damping plate 6 is prevented from sliding out, and a damping flexible material can be arranged on the surface of the clamping plate 12 to reduce vibration; the clamping ribs 13 and the protrusions 14 are used for stably clamping the clamping plate 12 on the transverse plate 15, so that the pressing plate 5 and the supporting plate 3 are stably covered.

The two supporting legs 1 at the same side are also connected through a transverse plate 15; a clamping groove 16 matched with the clamping rib 13 is formed in the surface of the transverse plate 15, which is far away from one side of the pressing plate 5; the transverse plate 15 enhances the mechanical strength, and the clamping groove 16 arranged on the transverse plate 15 is used for clamping the clamping rib 13.

The protrusions 14 are wedge-shaped; the inner walls of the two sides of the clamping groove 16 are inclined planes matched with the protrusions 14; the protrusion 14 is wedge-shaped, and the inner wall of the slot 16 is also provided with an inclined surface, so that the clamping rib 13 and the slot 16 can be conveniently and rapidly clamped and separated.

A hanging ring groove 17 is formed in the surface of the damping plate 6; a hanging ring 18 is hinged in the hanging ring groove 17; the hoisting ring 18 is convenient for directly hoisting the damping plate 6 to the hydraulic turbine unit, and the hoisting ring groove 17 is used for placing the hoisting ring 18, so that influence caused when the pressing plate 5 is pressed downwards is avoided.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. A stator bar transfer device of a hydraulic turbine set for hydropower station power generation comprises a supporting leg (1), a roller (2) arranged at the bottom end of the supporting leg (1) and a supporting plate (3) arranged on the supporting leg (1); the method is characterized in that: a damping groove (4) is formed in the surface of the supporting plate (3); one side edge of the supporting plate (3) is connected with one side edge of the damping groove (4); the other side edge of the supporting plate (3) is hinged with a pressing plate (5); a damping plate (6) is movably arranged in the damping groove (4); the upper surface of the damping plate (6) is provided with first clamping grooves (7) in an arrayed manner; a second clamping groove (8) is arranged on the lower surface of the pressing plate (5); the first clamping groove (7) and the second clamping groove (8) are correspondingly matched to form a stator bar placing cavity; arc-shaped grooves (9) are further formed in the two ends of the second clamping groove (8).

2. The hydroelectric power generation turbine stator bar transfer apparatus of claim 1, wherein: a damping cross beam (10) is arranged in the damping groove (4); the damping cross beam (10) is made of flexible materials.

3. The hydroelectric power generation turbine stator bar transfer apparatus of claim 1, wherein: shock absorption pads (11) are arranged on the inner walls of the first clamping groove (7) and the second clamping groove (8); the shock pad (11) is made of flexible materials.

4. The hydroelectric power generation turbine stator bar transfer apparatus of claim 1, wherein: the edge of one side of the pressing plate (5) is hinged with the supporting plate (3) through a hinge; a clamping plate (12) extends downwards from the other side edge of the pressing plate (5); the edge of the clamping plate (12) is provided with a clamping rib (13); the clamping rib (13) is provided with a bulge (14).

5. The hydroelectric power generation turbine stator bar transfer apparatus of claim 4, wherein: the two supporting legs (1) at the same side are also connected through a transverse plate (15); and a clamping groove (16) matched with the clamping rib (13) is formed in the surface of the transverse plate (15) far away from one side of the pressing plate (5).

6. The hydroelectric power generation turbine stator bar transfer apparatus of claim 5, wherein: the protrusions (14) are wedge-shaped; the inner walls of the two sides of the clamping groove (16) are inclined planes matched with the protrusions (14).

7. The hydroelectric power generation turbine stator bar transfer apparatus of claim 1, wherein: a hanging ring groove (17) is formed in the surface of the damping plate (6); a hanging ring (18) is hinged in the hanging ring groove (17).