CN114811307A

CN114811307A - Horizontal water turbine

Info

Publication number: CN114811307A
Application number: CN202210451041.7A
Authority: CN
Inventors: 毛成; 苏立; 沈春和; 文贤馗; 戴利传; 谢文经; 曾癸森; 陈满华
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-07-29

Abstract

The invention discloses a horizontal water turbine, wherein a mounting frame is arranged on a front shell, a base is arranged below the mounting frame, a lifting mechanism for driving the front shell to move is arranged between the base and the mounting frame, a supporting device for supporting a rear shell is arranged on the base, the supporting device comprises an arc-shaped plate, and the concave surface of the arc-shaped plate is abutted against the outer side wall of the rear shell; the bottom of the arc-shaped plate is fixedly connected with a moving rod, the bottom of the moving rod is fixedly connected with a first connecting block, a mounting groove is formed in the base, a lead screw is rotatably connected in the mounting groove, one end of the lead screw is provided with a hand wheel, a first driving plate is connected to the lead screw in a threaded manner, the first driving plate is connected to the mounting groove in a sliding manner, first inclined planes are respectively arranged on the opposite inner sides of the first driving plate and the first connecting block, and the two first inclined planes are matched; a fixing mechanism (8) for fixing the front shell (1) is arranged on the base; the technical problems that when the lifting mechanism drives the water turbine body to ascend, the water turbine body is likely to incline, potential safety hazards exist and the like are solved.

Description

Horizontal water turbine

Technical Field

The invention belongs to the technical field of water turbines, and particularly relates to a horizontal water turbine.

Technical Field

The water turbine is a power machine which converts the energy of water flow into rotary mechanical energy, belongs to a turbine machine in fluid machinery, and most of modern water turbines are installed in a hydropower station and are used for driving a generator to generate electricity. In a hydropower station, water in an upstream reservoir is guided to a water turbine through a water guide pipe to push a water turbine runner to rotate so as to drive a generator to generate electricity. The water after doing work is discharged to the downstream through the tail water pipeline. The higher the water head and the larger the flow, the larger the output power of the water turbine is.

The horizontal water turbine in the prior art has the main structure that: the water-saving device comprises a front shell and a rear shell, wherein a driving wheel blade is installed in the rear shell, a driving shaft is rotatably installed in the front shell, a transmission shaft is coaxially and fixedly installed on the driving wheel blade, the driving shaft is connected with the transmission shaft, a water inlet and a water outlet are respectively formed in the rear shell and the front shell, two locking mechanisms are symmetrically arranged between the front shell and the rear shell, and each locking mechanism comprises a clamping block and a first clamping groove; the installation rack is fixedly installed on the front shell, the base is arranged under the installation rack, and the lifting mechanism is arranged between the base and the installation rack. However, when the lifting mechanism drives the water turbine body to ascend, the water turbine body may incline and thus there may be a safety hazard.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a horizontal hydraulic turbine to solve prior art's horizontal hydraulic turbine and through establishing elevating system between base and mounting bracket, but when elevating system drive hydraulic turbine body rose, thereby the hydraulic turbine body probably takes place to incline and probably has technical problem such as potential safety hazard.

The technical scheme of the invention is as follows:

a horizontal water turbine comprises a front shell and a rear shell; the front shell is fixedly provided with a mounting frame, a base is arranged below the mounting frame, a lifting mechanism for driving the front shell to move is arranged between the base and the mounting frame, the base is provided with a supporting device for supporting the rear shell, the supporting device comprises an arc-shaped plate, and the concave surface of the arc-shaped plate abuts against the outer side wall of the rear shell; the bottom of the arc-shaped plate is fixedly connected with a moving rod, the bottom of the moving rod is fixedly connected with a first connecting block, a mounting groove is formed in the base, a lead screw is rotatably connected in the mounting groove, one end of the lead screw is provided with a hand wheel, a first driving plate is connected to the lead screw in a threaded manner, the first driving plate is connected to the mounting groove in a sliding manner, first inclined planes are respectively arranged on the opposite inner sides of the first driving plate and the first connecting block, and the two first inclined planes are matched; the base is provided with a fixing mechanism for fixing the front shell.

The base is rotatably connected with a gear, the inner circumferential surface of the gear is sequentially provided with a plurality of spiral grooves along the circumferential direction of the gear, the outer side wall of the movable rod is sequentially and fixedly connected with spiral blocks along the circumferential direction of the movable rod, and the spiral blocks are in one-to-one corresponding fit with the spiral grooves; and the top of the base is provided with a limiting mechanism for enabling the gear to rotate in one direction.

The limiting mechanism comprises a vertical shaft which is rotatably connected to the top of the base and a handle which is fixedly connected to the top of the vertical shaft; the side wall of the vertical shaft is fixedly connected with an inserting block, and the inserting block is inserted into a gear tooth groove; the top rigid coupling of base has the riser, is provided with first spring between riser and the inserted block, and the both ends of first spring rigid coupling respectively in the relative inboard of inserted block and riser.

The top of the base is provided with a limiting piece for limiting the vertical shaft, and the limiting piece comprises a fixed block fixedly connected to the top of the base and an inserted rod connected to the fixed block in a sliding manner; and the side wall of the vertical shaft is provided with a jack for the insertion of the insertion rod.

The lifting mechanism comprises a second driving plate in threaded connection with the lead screw, and the second driving plate is connected to the mounting groove in a sliding manner; more than one through hole is formed in the top wall of the mounting groove, a second connecting block is connected in each through hole in a sliding mode, the second connecting blocks and a second driving plate are arranged in a one-to-one correspondence mode, second inclined planes are respectively arranged on the opposite inner sides of the second connecting blocks and the second driving plate, and the two second inclined planes are matched; one end of the second connecting block, which is far away from the second driving plate, is fixedly connected to the bottom of the mounting frame.

The buffering subassembly is installed to the lateral wall of through-hole, and the buffering subassembly includes the buffer block, and the buffer block rigid coupling is in one side of second connecting block, and the perpendicular groove that is used for supplying the buffer block to slide is offered to the lateral wall of through-hole, and the top rigid coupling of buffer block has the second spring, and the one end rigid coupling that the buffer block was kept away from to the second spring is inboard in the top of erecting the groove.

The fixing mechanism comprises a threaded cylinder fixedly connected to the top of the base and a connecting rod in threaded connection with the threaded cylinder.

The top of the connecting rod is provided with an annular groove; a clamp is installed on the side wall of the front shell, an installation block is fixedly connected to the bottom of the clamp, a slot for inserting the connecting rod is formed in the bottom of the installation block, a sliding groove is formed in the side wall of the slot, a limiting block is connected to the sliding groove in a sliding mode and inserted into the annular groove, a third inclined surface is arranged at one end, close to the connecting rod, of the limiting block, and the third inclined surface is matched with the side wall of the connecting rod; the one end rigid coupling that the connecting rod was kept away from to the stopper has the pull rod, and the pull rod runs through the lateral wall setting of spout, has cup jointed the third spring on the pull rod, and the one end rigid coupling of third spring is kept away from the one end of connecting rod in the stopper, and the one end inner wall of connecting rod is kept away from in the spout to the other end rigid coupling.

The invention has the beneficial effects that:

when the water turbine body moves upwards under the action of the lifting mechanism, the first driving plate drives the first connecting block to move upwards under the action of the first inclined plane, the first connecting block moves upwards to drive the movable rod to move upwards, and the movable rod moves upwards to drive the arc-shaped plate to move upwards, so that the arc-shaped plate can be always abutted against the side wall of the rear shell, the rear shell is conveniently supported, and the possibility of inclination of the water turbine body can be reduced;

when the vertical shaft needs to be limited, the inserting rod is inserted into the inserting hole by moving the inserting rod, so that the vertical shaft is limited conveniently; when the movable rod needs to be driven to move downwards, the vertical shaft is rotated to separate the insert block from the gear, and then the vertical shaft is limited through the insert rod, so that the position of the movable rod is convenient to adjust, and the position of the water turbine body is convenient to adjust;

when the base is required to be connected with the front shell, the connecting rod is connected with the inserting groove in an inserting mode through rotating the connecting rod, then the connecting rod drives the limiting block to move in a direction away from the connecting rod under the action of the third inclined surface, the limiting block moves to abut against and press the third spring, and after the connecting rod is connected with the inserting groove in an inserting mode, the third spring drives the limiting block to be connected with the annular groove in an inserting mode, so that the base can be connected with the front shell; through the fixed establishment who sets up, be convenient for make base and procapsid be connected.

The horizontal water turbine solves the technical problems that in the prior art, the lifting mechanism is arranged between the base and the mounting frame, but when the lifting mechanism drives the water turbine body to ascend, the water turbine body can incline, and potential safety hazards can exist.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic view of a support device according to an embodiment of the present disclosure;

FIG. 3 is a partial cross-sectional view of a highlighted securing mechanism in an embodiment of the present application.

Description of reference numerals: 1. a front housing; 11. a mounting frame; 2. a rear housing; 3. a base; 31. mounting grooves; 32. perforating; 33. a gear; 331. a helical groove; 34. a through hole; 4. a support device; 41. an arc-shaped plate; 42. a travel bar; 421. a screw block; 43. a first connection block; 44. a lead screw; 45. a hand wheel; 46. a first drive plate; 47. a first inclined plane; 5. a limiting mechanism; 51. a vertical axis; 511. a jack; 52. a handle; 53. inserting a block; 54. a vertical block; 55. a first spring; 56. a fixed block; 57. inserting a rod; 6. a lifting mechanism; 61. a second drive plate; 62. a second connecting block; 63. a second inclined plane; 7. a buffer assembly; 71. a buffer block; 72. a vertical slot; 73. a second spring; 8. a fixing mechanism; 81. a threaded barrel; 82. a connecting rod; 821. opening; 822. an annular groove; 83. clamping a hoop; 84. mounting blocks; 841. a slot; 842. a chute; 85. a limiting block; 86. a third bevel; 87. a pull rod; 88. and a third spring.

Detailed Description

The invention discloses a horizontal water turbine, as shown in figure 1, comprising a front shell 1 and a rear shell 2; fixed mounting has mounting bracket 11 on the procapsid 1, and the below of mounting bracket 11 is equipped with base 3, is equipped with the elevating system who is used for driving procapsid 1 and removes between base 3 and the mounting bracket 11, installs the strutting arrangement 4 who is used for supporting back casing 2 on the base 3.

As shown in fig. 1 and 2, the supporting device 4 includes an arc plate 41, and a concave surface of the arc plate 41 abuts against an outer side wall of the rear housing 2; a moving rod 42 is fixedly connected to the bottom of the arc-shaped plate 41, the moving rod 42 is vertically arranged, a first connecting block 43 is fixedly connected to the bottom of the moving rod 42, a mounting groove 31 is formed in the base 3, a through hole 32 for the first connecting block 43 to slide vertically is formed in the top of the mounting groove 31, a lead screw 44 is horizontally and rotatably connected to the mounting groove 31 through a bearing, a hand wheel 45 is mounted at one end of the lead screw 44, a first drive plate 46 is connected to the lead screw 44 in a threaded manner, the first drive plate 46 is connected to the mounting groove 31 in a sliding manner along the axial direction of the lead screw 44, first inclined surfaces 47 are respectively arranged on the opposite inner sides of the first drive plate 46 and the first connecting block 43, and the two first inclined surfaces 47 are matched; a fixing mechanism 8 for fixing the front case 1 is mounted on the chassis 3.

When the hydraulic turbine body moves up under the effect of the lifting mechanism 6, at the moment, the first driving plate 46 drives the first connecting block 43 to move up under the effect of the first inclined plane 47, the first connecting block 43 moves up to drive the moving rod 42 to move up, the moving rod 42 moves up to drive the arc-shaped plate 41 to move up, and thus the arc-shaped plate 41 can be always abutted against the side wall of the rear shell 2, so that the rear shell 2 can be supported conveniently, and the possibility of the hydraulic turbine body tilting can be reduced.

As shown in fig. 1 and 2, the base 3 is rotatably connected with a gear 33 through a bearing, the inner circumferential surface of the gear 33 is sequentially provided with a plurality of spiral grooves 331 along the circumferential direction thereof, the outer side wall of the movable rod 42 is sequentially and fixedly connected with a plurality of spiral blocks 421 along the circumferential direction thereof, and the spiral blocks 421 are in one-to-one corresponding fit with the spiral grooves 331; the top of the base 3 is provided with a limiting mechanism 5 for enabling the gear 33 to rotate in one direction.

When the moving rod 42 moves upward, the moving rod 42 drives the gear 33 to rotate by the screw block 421 and the screw groove 331 at this time. Through the limiting mechanism 5, the gear 33 can rotate in one direction, so that the rear shell 2 can be supported better.

As shown in fig. 1 and 2, the limiting mechanism 5 comprises a vertical shaft 51 vertically and rotatably connected to the top of the base 3 through a bearing, and a handle 52 fixedly connected to the top of the vertical shaft 51; an inserting block 53 is fixedly connected to the side wall of the vertical shaft 51, and the inserting block 53 is inserted into the tooth groove of the gear 33; the top of base 3 is fixedly connected with riser 54, is provided with first spring 55 between riser 54 and the inserted block 53, and first spring 55 level sets up, and the both ends of first spring 55 rigid coupling respectively in inserted block 53 and riser 54 relative inboard.

When the gear 33 rotates in one direction, the slot wall of the gear 33 drives the insert block 53 to rotate, the insert block 53 rotates to press against the first spring 55, the first spring 55 is in a compressed state, and after the gear 33 stops rotating, the first spring 55 drives the insert block 53 to be inserted into the tooth slot of the gear 33; when the insertion block 53 is inserted into the tooth groove of the gear 33, the gear 33 can only rotate in one direction, so that the gear 33 is limited.

As shown in fig. 1 and 2, a limiting member for limiting the vertical shaft 51 is installed at the top of the base 3, and the limiting member includes a fixed block 56 fixedly connected to the top of the base 3 and an insertion rod 57 slidably connected to the fixed block 56; the insertion rod 57 penetrates through the fixing block 56, and a jack 511 for inserting the insertion rod 57 is formed in the side wall of the vertical shaft 51.

When the vertical shaft 51 needs to be limited, the inserting rod 57 is inserted into the inserting hole 511 by moving the inserting rod 57, so that the vertical shaft 51 is limited conveniently; when the movable rod 42 needs to be driven to move downwards, the vertical shaft 51 is rotated to separate the insertion block 53 from the gear 33, and then the vertical shaft 51 is limited through the insertion rod 57, so that the position of the movable rod 42 is convenient to adjust, and the position of the water turbine body is convenient to adjust.

As shown in fig. 1 and 2, the lifting mechanism 6 includes two second driving plates 61 screwed to the lead screw 44, and the second driving plates 61 are slidably connected to the mounting groove 31 along the axial direction of the lead screw 44; a plurality of through holes 34 are formed in the top wall of the mounting groove 31, a second connecting block 62 is connected in each through hole 34 in a vertically sliding manner, the plurality of second connecting blocks 62 and the plurality of second driving plates 61 are arranged in a one-to-one correspondence manner, second inclined surfaces 63 are respectively arranged on the opposite inner sides of the second connecting blocks 62 and the second driving plates 61, and the two second inclined surfaces 63 are matched; one end of the second connecting block 62 away from the second driving plate 61 is fixedly connected to the bottom of the mounting frame 11.

The lead screw 44 is rotated by rotating the hand wheel 45, the lead screw 44 drives the second driving plate 61 to move in a rotating mode, at the moment, the second driving plate 61 drives the second connecting block 62 to move upwards under the action of the second inclined surface 63, and the second connecting block 62 moves upwards to drive the mounting frame 11 to move upwards, so that the water turbine body is driven to move upwards conveniently.

As shown in fig. 1 and 2, the buffer assemblies 7 are respectively installed on the side walls of the two sides of the through hole 34, each buffer assembly 7 comprises a buffer block 71, each buffer block 71 is fixedly connected to one side of the corresponding second connecting block 62, a vertical groove 72 used for allowing each buffer block 71 to vertically slide is formed in the side wall of the through hole 34, a second spring 73 is fixedly connected to the top of each buffer block 71, each second spring 73 is vertically arranged, and one end, far away from each buffer block 71, of each second spring 73 is fixedly connected to the inner side of the top of the corresponding vertical groove 72.

Through the buffer block 71 and the second spring 73, the second connecting block 62 is buffered conveniently, and the rising stability of the water turbine body can be improved.

As shown in fig. 1 and 3, the fixing mechanism 8 includes a threaded cylinder 81 fixedly connected to the top of the base 3 and a connecting rod 82 screwed to the threaded cylinder 81; the side wall of the connecting rod 82 is provided with a notch 821, so that a tool can drive the connecting rod 82 to rotate conveniently, and the top of the connecting rod 82 is provided with an annular groove 822; a hoop 83 is bolted to the side wall of the front shell 1, a mounting block 84 is fixedly connected to the bottom of the hoop 83, a slot 841 for the connection rod 82 to be connected in an inserting manner is formed in the bottom of the mounting block 84, a sliding groove 842 is formed in the side wall of the slot 841, a limiting block 85 is connected in the sliding groove 842 in a sliding manner, the limiting block 85 is connected in an annular groove 822 in an inserting manner, a third inclined surface 86 is arranged at one end, close to the connection rod 82, of the limiting block 85, and the third inclined surface 86 is matched with the side wall of the connection rod 82; the one end rigid coupling that stopper 85 kept away from connecting rod 82 has pull rod 87, and pull rod 87 runs through the lateral wall setting of spout 842, has cup jointed third spring 88 on the pull rod 87, and the one end rigid coupling of third spring 88 is in the one end that stopper 85 kept away from connecting rod 82, and the one end inner wall that connecting rod 82 was kept away from in spout 842 to the other end rigid coupling.

When the base 3 needs to be connected with the front shell 1, the connecting rod 82 is inserted into the insertion groove 841 by rotating the connecting rod 82, then the connecting rod 82 drives the limiting block 85 to move in a direction away from the connecting rod 82 under the action of the third inclined surface 86, the limiting block 85 moves to press against the third spring 88, and after the connecting rod 82 is inserted into the insertion groove 841, the third spring 88 drives the limiting block 85 to be inserted into the annular groove 822, so that the base 3 can be connected with the front shell 1; by providing the fixing mechanism 8, it is convenient to connect the base 3 with the front case 1.

The working process of the invention is as follows: the lead screw 44 is rotated by rotating the hand wheel 45, the lead screw 44 rotates to drive the second drive plate 61 to move, at the moment, the second drive plate 61 drives the second connecting block 62 to move upwards under the action of the second inclined surface 63, the second connecting block 62 moves upwards to drive the mounting frame 11 to move upwards, and the mounting frame 11 moves upwards to drive the water turbine body to move upwards; simultaneously first drive plate 46 drives first link 43 upward movement under the effect of first inclined plane 47, and first link 43 upward movement drives carriage release lever 42 upward movement, and carriage release lever 42 upward movement drives arc 41 upward movement, can make arc 41 and the lateral wall butt of back casing 2 all the time like this to be convenient for support back casing 2, therefore can reduce the possibility that the hydraulic turbine body takes place the slope.

Claims

1. A horizontal water turbine comprises a front shell (1) and a rear shell (2); fixed mounting has mounting bracket (11) on procapsid (1), and the below of mounting bracket (11) is equipped with base (3), is equipped with between base (3) and mounting bracket (11) to be used for driving elevating system (6) that procapsid (1) removed, its characterized in that: a supporting device (4) for supporting the rear shell (2) is mounted on the base (3), the supporting device (4) comprises an arc-shaped plate (41), and the concave surface of the arc-shaped plate (41) abuts against the outer side wall of the rear shell (2); a moving rod (42) is fixedly connected to the bottom of the arc-shaped plate (41), a first connecting block (43) is fixedly connected to the bottom of the moving rod (42), a mounting groove (31) is formed in the base (3), a lead screw (44) is rotatably connected to the mounting groove (31), a hand wheel (45) is mounted at one end of the lead screw (44), a first driving plate (46) is connected to the lead screw (44) in a threaded manner, the first driving plate (46) is connected to the mounting groove (31) in a sliding manner, first inclined planes (47) are respectively arranged on the opposite inner sides of the first driving plate (46) and the first connecting block (43), and the two first inclined planes (47) are matched; a fixing mechanism (8) for fixing the front shell (1) is arranged on the base (3).

2. The horizontal water turbine according to claim 1, wherein: the base (3) is rotatably connected with a gear (33), the inner circumferential surface of the gear (33) is sequentially provided with a plurality of spiral grooves (331) along the circumferential direction, the outer side wall of the movable rod (42) is sequentially and fixedly connected with spiral blocks (421) along the circumferential direction, and the spiral blocks (421) are correspondingly matched with the spiral grooves (331) one by one; the top of the base (3) is provided with a limiting mechanism (5) which is used for enabling the gear (33) to rotate in one direction.

3. The horizontal water turbine according to claim 2, wherein: the limiting mechanism (5) comprises a vertical shaft (51) which is rotatably connected to the top of the base (3) and a handle (52) which is fixedly connected to the top of the vertical shaft (51); an inserting block (53) is fixedly connected to the side wall of the vertical shaft (51), and the inserting block (53) is inserted into a tooth groove of the gear (33); the top of the base (3) is fixedly connected with a vertical block (54), a first spring (55) is arranged between the vertical block (54) and the insertion block (53), and two ends of the first spring (55) are fixedly connected to the inner sides, opposite to the vertical block (54), of the insertion block (53) respectively.

4. A horizontal water turbine according to claim 3, wherein: the top of the base (3) is provided with a limiting piece for limiting the vertical shaft (51), and the limiting piece comprises a fixed block (56) fixedly connected to the top of the base (3) and an inserted rod (57) connected to the fixed block (56) in a sliding manner; the side wall of the vertical shaft (51) is provided with a jack (511) for the insertion of the insertion rod (57).

5. The horizontal water turbine according to claim 1, wherein: the lifting mechanism (6) comprises a second driving plate (61) in threaded connection with the lead screw (44), and the second driving plate (61) is connected to the mounting groove (31) in a sliding manner; more than one through hole (34) is formed in the top wall of the mounting groove (31), a second connecting block (62) is connected in each through hole (34) in a sliding mode, the second connecting blocks (62) and the second driving plates (61) are arranged in a one-to-one correspondence mode, second inclined planes (63) are respectively arranged on the opposite inner sides of the second connecting blocks (62) and the second driving plates (61), and the two second inclined planes (63) are matched; one end of the second connecting block (62) far away from the second driving plate (61) is fixedly connected to the bottom of the mounting frame (11).

6. The horizontal water turbine according to claim 5, wherein: buffering subassembly (7) are installed to the lateral wall of through-hole (34), buffering subassembly (7) are including buffer block (71), buffer block (71) rigid coupling in one side of second connecting block (62), vertical groove (72) that are used for supplying buffer block (71) to slide are offered to the lateral wall of through-hole (34), the top rigid coupling of buffer block (71) has second spring (73), the one end rigid coupling that buffer block (71) were kept away from in second spring (73) is inboard in the top of vertical groove (72).

7. The horizontal water turbine according to claim 1, wherein: the fixing mechanism (8) comprises a threaded cylinder (81) fixedly connected to the top of the base (3) and a connecting rod (82) in threaded connection with the threaded cylinder (81).

8. The horizontal water turbine according to claim 7, wherein: an annular groove (822) is formed in the top of the connecting rod (82); the clamp (83) is installed on the side wall of the front shell (1), the bottom of the clamp (83) is fixedly connected with an installation block (84), the bottom of the installation block (84) is provided with a slot (841) for the connection rod (82) to be connected in an inserting mode, the side wall of the slot (841) is provided with a sliding groove (842), the sliding groove (842) is connected with a limiting block (85) in a sliding mode, the limiting block (85) is connected in an annular groove (822) in an inserting mode, one end, close to the connection rod (82), of the limiting block (85) is provided with a third inclined surface (86), and the third inclined surface (86) is matched with the side wall of the connection rod (82); the one end rigid coupling that connecting rod (82) were kept away from in stopper (85) has pull rod (87), and pull rod (87) run through the lateral wall setting of spout (842), has cup jointed third spring (88) on pull rod (87), and the one end rigid coupling of third spring (88) is kept away from the one end of connecting rod (82) in stopper (85), and the one end inner wall of connecting rod (82) is kept away from in spout (842) to the other end rigid coupling.