Water turbine seat ring lifting device

Abstract

The utility model discloses a water turbine seat ring lifting device, and aims to provide a water turbine seat ring lifting device which can be used for processing by adjusting the height of a water turbine seat ring. The seat ring comprises a seat ring main body; the lower end of the base column is arranged on the inner side of the seat ring main body; the connecting assembly is mounted on the base column and is in sliding connection with the base column, and the connecting assembly corresponds to the seat ring main body; the lifting assembly is installed in the foundation pillar, and one end of the lifting assembly is connected with the connecting assembly; and the extension assembly is mounted at the lower end of the foundation pillar. The hydraulic turbine seat ring has the advantages that machining is conducted by adjusting the height of the hydraulic turbine seat ring, the connecting assembly can be fixed and lifted, the position of the inserting block can be limited, the stability of a foundation pillar can be improved, and the seat ring body can be prevented from falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to water turbine seat ring related technical field especially is a water turbine seat ring lifting device. BACKGROUND

[0002] The seat ring is an important basic component of the water turbine and the pump water turbine, bears the weight of the whole unit and the water pressure of the flow channel of the unit, and requires sufficient strength and rigidity. In the processing of the water turbine seat ring, the water turbine usually needs to be lifted to process and polish the bottom surface of the water turbine seat ring. The existing lifting device is mostly moved to the supporting device for processing by a crane or the like. Such lifting device is inconvenient to adjust the lifting height. SUMMARY

[0003] The utility model discloses to overcome the deficiency that the lifting device is inconvenient to adjust the lifting height in the prior art, and provide a water turbine seat ring lifting device that can process by adjusting the height of the water turbine seat ring.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A water turbine seat ring lifting device comprises:

[0006] A seat ring body;

[0007] A base column, the lower end of which is placed on the inner side of the seat ring body;

[0008] A connecting assembly, which is installed on the base column and is in sliding connection with the base column, and which corresponds to the seat ring body.

[0009] A lifting assembly, which is installed in the base column, and one end of which is connected with the connecting assembly;

[0010] An extension assembly, which is installed on the lower end of the base column.

[0011] The seat ring body is a part that needs to cooperate with the lifting device. The seat ring body is placed on the ground, the base column is placed in the ring of the seat ring body, the base column limits the lifting range of the seat ring body, the connecting assembly installed on the base column is connected with the seat ring body, the seat ring body is fixed on the connecting assembly, and then the connecting assembly is lifted by the lifting assembly. The connecting assembly and the seat ring body ascend along the base column. In the process of ascending the seat ring body, the extension body installed at the lower end of the base column can be extended, the contact area of the base column is ensured by the extension of the extension assembly, the stability of the base column is ensured, the base column is placed in the ring of the seat ring, the seat ring body is lifted by the connecting assembly and the lifting assembly, the height is adjusted for convenient processing, and the purpose of processing by adjusting the height of the water turbine seat ring is achieved.

[0012] As preferred, the connecting assembly comprises a fitting ring, a mounting ring and pneumatic cylinders, the fitting ring is fitted with the side surface of the base column, the mounting ring is mounted on the bottom surface of the fitting ring, the pneumatic cylinders are provided with several and are circumferentially mounted on the mounting ring, the pneumatic end of the pneumatic cylinder is provided with a plug-in block, the plug-in block is in sliding connection with the mounting ring, and the plug-in block corresponds to the main body of the seat ring. The fitting ring of the connecting assembly is fitted on the surface of the base column and can be lifted on the base column. The lower end of the fitting ring is provided with the mounting ring. The inner ring of the mounting ring is connected with the fitting ring, and the outer ring of the mounting ring is in contact with the inner side of the main body of the seat ring, so that the position of the base column can be limited. After the mounting ring and the inner wall of the seat ring are in contact, the several circumferentially distributed pneumatic cylinders act, the plug-in block is driven to move by the pneumatic cylinder, the plug-in block moves between the upper and lower ring plates of the main body of the seat ring, the top end of the plug-in block is in contact with the upper ring plate, and the lower end of the plug-in block is in contact with the lower ring plate, so that the position of the main body of the seat ring can be limited. The main body of the seat ring and the connecting assembly are connected together and can move together with the connecting assembly. Such a design can fix the connecting assembly.

[0013] As preferred, the base column is provided with an axis hole, the base column is provided with several circumferentially distributed lifting grooves, the fitting ring is provided with several connecting rods, the connecting rods correspond one by one to the lifting grooves, one end of the connecting rod is connected with the inner wall of the fitting ring, the other end of the connecting rod passes through the lifting groove and is placed in the axis hole, one end of the connecting rod passing through the lifting groove is provided with a lifting plate, the lifting assembly comprises a top plate and a motor, the top plate is mounted on the upper end of the axis hole, the motor is mounted on the top plate, a reel is mounted on the motor shaft of the motor, a cable is mounted on the reel, one end of the cable is connected with the reel, and the other end of the cable is connected with the lifting plate. In order to lift the fitting ring, the connecting rod on the fitting ring passes through the lifting groove and is placed in the axis hole, and then the lifting plate is mounted at the intersection of the several connecting rods. The connecting assembly is driven to rise by the lifting assembly in the axis hole. The top plate of the lifting assembly is mounted on the top end of the axis hole. The motor is mounted on the bottom surface of the top plate. The cable of the lifting assembly is connected with the lifting plate mounted on the connecting rod. The reel is driven to rotate by the rotation of the motor. The reel drives the lifting plate to rise by winding the cable, so that the connecting assembly and the main body of the seat ring rise along the lifting groove. Such a design can lift the connecting assembly.

[0014] As preferred, the fitting ring is provided with a limiting ring, and the bottom surface of the limiting ring is fitted with the top surface of the plug-in block. The limiting ring mounted on the fitting ring is fitted with the plug-in block, so that the position of the plug-in block can be limited. The plug-in block is limited between the mounting ring and the limiting ring, so that the plug-in block is not easy to deform and separate from the mounting ring when driving the main body of the seat ring to rise. When connected with the main body of the seat ring, one end is placed in the main body of the seat ring, and the other end is placed between the mounting plate and the limiting ring. Such a design can limit the position of the plug-in block.

[0015] As preferred, the extension assembly is provided with several, which are distributed circumferentially along the surface of the base column, the extension assembly comprises a support rod, a pneumatic cylinder two and a support block, one end of the support rod is connected with the lower end of the base column, the bottom surface of the mounting ring is provided with several sink grooves, the sink grooves correspond to the support rods one by one, the other end of the support rod is provided with an extension groove, the pneumatic cylinder two is installed in the extension groove, the pneumatic end of the pneumatic cylinder two is connected with the support block, and the support block is arranged in the extension groove. The extension assembly is installed at the lower end of the base column, when the seat ring body rises, the overall gravity center of the device will be raised, at this time, tilting is prone to occur, and there is a large safety hazard. In order to prevent the base column from tilting, the support rod can increase the stress area and prevent tilting. After the seat ring body rises, the pneumatic cylinder two installed in the extension groove of the support rod acts to push the support rod to extend out of the extension groove and contact the ground, further increasing the contact area of the base column and the ground, so that the base column can be further ensured to be stable on the ground and not easy to shake. Such a design can improve the stability of the base column.

[0016] As preferred, the surface of the base column is provided with several evenly distributed insertion holes, the base column is provided with a limiting rod, one end of the limiting rod is provided with an insertion rod, and the limiting rod is detachably connected with the base column through cooperation of the insertion rod and the insertion hole. When the seat ring body is processed after being raised, the seat ring body needs to be locked to prevent the seat ring body from falling accidentally, therefore, after the seat ring body is raised, the insertion rod on the limiting rod is inserted into the insertion hole below the seat ring body, the seat ring body is limited above the limiting plate, the seat ring body is prevented from falling accidentally, and the safety of workers processing the seat ring body is ensured. Such a design can prevent the seat ring body from falling off.

[0017] The beneficial effects of the utility model are: through adjusting the height of the water turbine seat ring for processing, the fixed connection assembly can be connected, the connecting assembly can be lifted, the position of the plug-in block can be limited, the stability of the base column can be improved, and the seat ring body can be prevented from falling off. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model;

[0019] Figure 2 It is Figure 1 It is the structural schematic diagram of the base column in the utility model;

[0020] Figure 3 It is Figure 1 It is the structural schematic diagram of the connecting assembly and the lifting assembly in the utility model;

[0021] Figure 4 It is Figure 2 It is the structural schematic diagram of the extension assembly in the utility model,

[0022] Figure 5is Figure 1 Structure diagram of the middle limiting rod.

[0023] In the figure: 1, seat ring body; 2, base column; 21, shaft hole; 22, lifting groove; 23, insertion hole; 3, connecting assembly; 31, fitting ring; 32, mounting ring; 33, pneumatic cylinder one; 34, insertion block; 35, connecting rod; 36, lifting plate; 37, limiting ring; 38, sink groove; 4, lifting assembly; 41, top plate; 42, motor one; 43, reel; 44, cable; 5, extension assembly; 51, support rod; 52, pneumatic cylinder two; 53, support block; 54, extension groove; 6, limiting rod; 61, insertion rod. DETAILED DESCRIPTION

[0024] The utility model will be further described below in combination with the drawings and specific embodiments.

[0025] As Figure 1 , Figure 2 In the embodiment, a water turbine seat ring lifting device comprises:

[0026] The seat ring body 1;

[0027] The base column 2 is arranged on the inner side of the seat ring body 1.

[0028] The connecting assembly 3 is installed on the base column 2 and is in sliding connection with the base column 2, and the connecting assembly 3 corresponds to the seat ring body 1.

[0029] The lifting assembly 4 is installed in the base column 2, and one end of the lifting assembly 4 is connected with the connecting assembly 3.

[0030] The extension assembly 5 is installed on the lower end of the base column 2.

[0031] As Figure 3 shown, the connecting assembly 3 comprises the fitting ring 31, the mounting ring 32 and the pneumatic cylinder one 33, the fitting ring 31 is fitted with the side surface of the base column 2, the mounting ring 32 is installed on the bottom surface of the fitting ring 31, the pneumatic cylinder one 33 is provided with a plurality of and is installed in a circle on the mounting ring 32, the pneumatic end of the pneumatic cylinder one 33 is provided with the insertion block 34, the insertion block 34 is in sliding connection with the mounting ring 32, and the insertion block 34 corresponds to the seat ring body 1.

[0032] The base column 2 is provided with a central hole 21 and several circumferentially distributed lifting grooves 22. The fitting ring 31 is provided with several connecting rods 35, each corresponding to a lifting groove 22. One end of the connecting rod 35 is connected to the inner wall of the fitting ring 31, and the other end of the connecting rod 35 passes through the lifting groove 22 and is placed in the central hole 21. A lifting plate 36 is installed at the end of the connecting rod 35 that passes through the lifting groove 22. The lifting assembly 4 includes a top plate 41 and a motor 42. The top plate 41 is installed at the upper end of the central hole 21, and the motor 42 is installed on the top plate 41. A reel 43 is installed on the motor shaft of the motor 42, and a cable 44 is installed on the reel 43. One end of the cable 44 is connected to the reel 43, and the other end of the cable 44 is connected to the lifting plate 36.

[0033] A limiting ring 37 is installed on the fitting ring 31, and the bottom surface of the limiting ring 37 is in contact with the top surface of the plug block 34.

[0034] like Figure 4 As shown, there are several extension components 5, which are distributed circumferentially along the surface of the base column 2. Each extension component 5 includes a support rod 51, a pneumatic cylinder 52, and a support block 53. One end of the support rod 51 is connected to the lower end of the base column 2. Several grooves 38 are provided on the bottom surface of the mounting ring 32, and each groove 38 corresponds to a support rod 51. The other end of the support rod 51 is provided with an extension groove 54. The pneumatic cylinder 52 is installed in the extension groove 54, and the pneumatic end of the pneumatic cylinder 52 is connected to the support block 53. The support block 53 is placed in the extension groove 54.

[0035] like Figure 5 As shown, the base column 2 has several evenly distributed insertion holes 23 on its surface. The base column 2 is provided with a limiting rod 6. One end of the limiting rod 6 is equipped with an insertion rod 61. The limiting rod 6 is detachably connected to the base column 2 through the cooperation of the insertion rod 61 and the insertion holes 23.

[0036] When it is necessary to raise the seat ring body 1, the base column 2 is placed entirely inside the ring of the seat ring body 1, with the bottom surface of the base column 2 on the ground. Then, the pneumatic cylinder 33 is activated, driving the insertion block 34 to move between the mounting ring 32 and the limiting ring 37, inserting one end of the insertion block 34 between the seat ring body 1, thus connecting the connecting assembly 3 to the seat ring body 1. After connecting to the seat ring body 1, the motor 42 is activated, driving the reel 43 to rotate. The rotation of the reel 43 winds up the cable 44, which in turn raises the lifting plate 36. The lifting plate 36 then raises the connecting assembly 3 and the seat ring body 1 together along the lifting groove 22.

[0037] When the seat ring body 1 rises, the support rod 51 contacts the ground to increase the contact area and ensure the stability of the base column 2. As the seat ring body 1 rises, the pneumatic cylinder 52 acts to push the support block 53 out of the extension groove 54, and the support block 53 contacts the ground to further ensure the stability of the base column 2.

[0038] When the seat ring body 1 rises to a specified height, the plug rod 61 on the limiting rod 6 is inserted into the insertion hole 23 below the seat ring body 1, the seat ring body 1 is limited above the limiting rod 6, and then the seat ring body 1 can be processed.

Claims

1. A water turbine seat ring lifting device, characterized in that it comprises: a seat ring body (1); a base column (2), the lower end of which is placed on the inner side of the seat ring body (1); a connecting assembly (3) installed on the base column (2) and in sliding connection with the base column (2), corresponding to the seat ring body (1); a lifting assembly (4) installed in the base column (2), one end of which is connected with the connecting assembly (3); an extension assembly (5) installed on the lower end of the base column (2).

2. A water turbine ring lifting device according to claim 1, characterized in that The connecting assembly (3) comprises a fitting ring (31), a mounting ring (32) and pneumatic cylinders (33), the fitting ring (31) is fitted with the side surface of the base column (2), the mounting ring (32) is installed on the bottom surface of the fitting ring (31), and the pneumatic cylinders (33) are circumferentially installed on the mounting ring (32), the pneumatic end of the pneumatic cylinder (33) is provided with a plug-in block (34), the plug-in block (34) is in sliding connection with the mounting ring (32), and the plug-in block (34) corresponds to the seat ring body (1).

3. A water turbine ring lifting device according to claim 2, characterised in that, The base column (2) is provided with an axis hole (21), and a plurality of circumferentially distributed lifting grooves (22) are arranged on the base column (2), a plurality of connecting rods (35) are arranged on the fitting ring (31), the connecting rods (35) correspond to the lifting grooves (22) one by one, one end of the connecting rod (35) is connected with the inner wall of the fitting ring (31), the other end of the connecting rod (35) is placed in the axis hole (21) after passing through the lifting groove (22), a lifting plate (36) is installed on the end of the connecting rod (35) passing through the lifting groove (22), the lifting assembly (4) comprises a top plate (41) and a motor (42), the top plate (41) is installed on the upper end of the axis hole (21), the motor (42) is installed on the top plate (41), a reel (43) is installed on the motor shaft of the motor (42), a cable (44) is installed on the reel (43), one end of the cable (44) is connected with the reel (43), and the other end of the cable (44) is connected with the lifting plate (36).

4. A hydraulic turbine ring lifting device according to claim 2, characterised in that A limiting ring (37) is installed on the fitting ring (31), and the bottom surface of the limiting ring (37) is fitted with the top surface of the plug-in block (34).

5. A hydraulic turbine ring lifting device according to claim 2, wherein The extension assembly (5) is provided with several, several extension assemblies (5) are distributed along the surface of the base column (2) in a circle, the extension assembly (5) includes a support rod (51), a pneumatic cylinder two (52) and a support block (53), one end of the support rod (51) is connected with the lower end of the base column (2), the bottom surface of the mounting ring (32) is provided with several sunken grooves (38), the sunken groove (38) corresponds to the support rod (51), the other end of the support rod (51) is provided with an extension groove (54), the pneumatic cylinder two (52) is installed in the extension groove (54), the pneumatic end of the pneumatic cylinder two (52) is connected with the support block (53), and the support block (53) is placed in the extension groove (54).

6. A hydraulic turbine ring lifting device according to claim 1, wherein The surface of the base column (2) is provided with several evenly distributed insertion holes (23), the base column (2) is provided with a limiting rod (6), one end of the limiting rod (6) is provided with an insertion rod (61), and the limiting rod (6) is detachably connected with the base column (2) through cooperation of the insertion rod (61) and the insertion hole (23).

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