CN218088655U

CN218088655U - Hoisting device for water turbine component in waterwheel chamber

Info

Publication number: CN218088655U
Application number: CN202221903066.8U
Authority: CN
Inventors: 肖号军; 谢守斌; 李传法; 潘杰; 易伟; 李伟; 李君好
Original assignee: Sinohydro Bureau 7 Co Ltd
Current assignee: Sinohydro Bureau 7 Co Ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-20
Anticipated expiration: 2032-07-18

Abstract

The utility model provides an indoor hydraulic turbine part hoist device of waterwheel, belongs to power station unit equipment fixing technical field, including column spinner and fixed connection in the bearing frame at column spinner top, the column spinner bottom is connected with the permanent magnet, the bearing frame includes C shaped steel board, be equipped with the pulley spindle that can follow C shaped steel board length direction and remove in the C shaped steel board, the bearing frame inboard is fixed with the driving chain, driving chain and pulley spindle fixed connection, the bearing frame below is equipped with chain block, the vertical downwards in hoisting chain in the chain block passes through the pulley spindle upper surface back, still be equipped with on the column spinner and drive the hoisting chain and carry out the drive assembly that level and vertical direction removed. The utility model discloses in, hoist device can realize the free rotation of level, vertical and circumferencial direction, realizes the indoor all-round hoist and mount of waterwheel with the annular crane cooperation, improves hoist and mount efficiency, and the material resources of using manpower sparingly, and whole hoist and mount process easy operation, the security is high.

Description

Hoisting device for water turbine component in waterwheel chamber

Technical Field

The utility model belongs to the technical field of power station unit equipment fixing, a hoist device is related to, especially relate to an indoor hydraulic turbine part hoist device of waterwheel.

Background

For a large hydroelectric generating set, the number of parts of a water turbine is very large, and the weight of part of the parts is large, so that the parts can only be hoisted in place by using a bridge crane or other hoisting equipment. However, after the lower frame is installed, the pit is in a closed state, and at this time, the turbine components in the turbine chamber, such as the guide bearing and the sealed components, need to be installed behind the unit jigger, and are affected by the weight of the components, and the hoisting of the components is usually performed by using an annular crane arranged below the lower frame. However, since the ring crane fails to completely cover the waterwheel chamber, a partial area ring crane cannot reach, and there is a dead-angle area of the ring crane, such as an area near the large axis of about 1 m. In addition, when multiple working surfaces in the waterwheel chamber operate simultaneously, the annular crane hardly meets the field requirements, and the hoisting efficiency is low. For parts weighing more than 50kg, manual lifting into place is therefore more often used. In actual construction, for heavier components, the conditions that human bodies are injured due to careless operation easily occur by manual lifting and mounting due to the influence of factors such as smooth surfaces and few acting points of lifted components, and a larger safety accident may occur in serious cases.

Therefore, in order to solve the problems, the utility model provides an indoor hydraulic turbine part hoist device of waterwheel.

Disclosure of Invention

In view of the above prior art's shortcoming, the utility model aims to provide an indoor hydraulic turbine part hoist device of waterwheel for solve prior art hydraulic turbine part hoist and mount inefficiency, easily cause the technical problem that the staff is injured or even takes place great incident.

In order to realize above-mentioned purpose and other relevant purposes, the utility model provides an indoor hydraulic turbine part hoist device of waterwheel, including column spinner and fixed connection in the bearing frame at column spinner top, the column spinner bottom is connected with the permanent magnet, the bearing frame includes C shaped steel board, be equipped with the loose pulley axle that can follow C shaped steel board length direction and remove in the C shaped steel board, the bearing frame inboard is fixed with the driving chain, driving chain and loose pulley axle fixed connection, the bearing frame below is equipped with chain block, the lifting chain in the chain block passes through the loose pulley axle upper surface back vertical downwards, still be equipped with on the column spinner and drive the lifting chain and carry out the drive assembly that level and vertical direction removed.

In any of the above schemes, preferably, the rotating column includes a main shaft and a rotating shaft, the lower end of the main shaft is connected with the permanent magnet, the main shaft is connected with the rotating shaft through a rotating bearing flange, a center column is fixedly connected to the center of the bottom of the rotating bearing flange, and the center column is inserted into the main shaft.

Preferably in any of the above schemes, the C-shaped steel plate has slots symmetrically formed in both sides along the length direction thereof, each slot has a chute therein, a pulley capable of moving along the length direction of the chute is arranged in the chute, and the pulley shaft is connected with the two pulleys.

In any of the above schemes, preferably, the transmission chain is fixedly connected with the pulley shaft through a fixed block.

In any of the above schemes, preferably, the upper end of the fixing block passes through the pulley shaft and then is fixedly connected with the pulley shaft, and the lower end of the fixing block is connected with the transmission chain through an embedded nail.

Preferably in any of the above schemes, the top of the rotating shaft is provided with a fixed box, and the bearing frame is fixedly connected to the top of the fixed box.

Preferably in any scheme, a first chain wheel and a second chain wheel are fixed on the inner wall of the C-shaped steel plate, the transmission chain is connected with the first chain wheel and the second chain wheel, a wheel shaft of the second chain wheel penetrates through the C-shaped steel plate and then is connected with a belt pulley, and a transmission belt is arranged on the belt pulley.

In any of the above schemes, preferably, the chain block includes a manual zipper for driving the lifting chain to move up and down.

Preferably in any of the above schemes, the drive assembly includes a hand wheel box, the hand wheel box is fixed on the rotation shaft, a displacement hand wheel and a lifting hand wheel are arranged on the hand wheel box, the displacement hand wheel is connected with the transmission belt, and the lifting hand wheel is connected with a manual zipper.

In any of the above schemes, preferably, the lifting chain is connected with a lifting lug through a vertically downward end of the upper surface of the pulley shaft.

As above, the utility model discloses an indoor hydraulic turbine part hoist device of waterwheel has following beneficial effect:

1. the utility model discloses a permanent magnet has realized the dismantlement of whole device, has removed convenient and fast as the impetus, has thick ferromagnetic material department to hydraulic turbine equipment fixing etc. and all is suitable for to it is wide to have guaranteed hoist device's application scope.

2. The utility model discloses utilize chain block, need not power motor and drive and also can easily mention the heavy object, can effective energy can be saved to save the hoist and mount cost.

3. The utility model discloses can rotate at level, vertical be circumferencial direction promptly to realize the hoist and mount of heavy object on level, vertical and circumferencial direction, thereby realize at the accurate location of circle inner space.

4. The utility model provides an indoor annular crane of waterwheel rotates and has the dead angle to need the technical problem of artifical transport, realized the indoor all-round hoist and mount of waterwheel with the annular crane cooperation.

5. The utility model discloses simple structure, operation use safe and reliable, practical value is high.

Drawings

Fig. 1 shows a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a left side view of the present invention.

Fig. 4 shows a perspective view of the front side of the carrier.

Fig. 5 shows a perspective view of the back of the carrier.

Fig. 6 shows a top view of the carrier.

Fig. 7 shows a left side view of the carrier.

Description of the element reference

1-a permanent magnet; 2-a main shaft; 3-a central column; 4-rotating the bearing flange; 5-handwheel box; 6, driving a belt; 7-a manual zipper; 8-chain block; 9-a stationary box; 10-a drive chain; 11-a hoisting chain; 12-a pulley shaft; 13-a pulley; 14-embedded nails; 15-fixing block; 16-lifting lugs; 17-a bearing frame; 18-displacement hand wheel; 19-lifting hand wheel; 20-a rotating shaft; 21-card slot; 22-a chute; 23-a first sprocket; 24-a second sprocket; 25-a belt pulley; 26-C type steel plate.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 7. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Please refer to fig. 1-7, the utility model provides an indoor hydraulic turbine part hoist device of waterwheel, including column spinner and fixed connection in the bearing frame 17 at column spinner top, the column spinner bottom is connected with permanent magnet 1, bearing frame 17 includes C shaped steel board 26, be equipped with the pulley spindle 12 that can follow the removal of C shaped steel board 26 length direction in the C shaped steel board 26, bearing frame 17 inboard is fixed with driving chain 10, driving chain 10 and pulley spindle 12 fixed connection, bearing frame 17 below is equipped with chain block 8, lifting chain 11 in the chain block 8 is vertical downwards behind the 12 upper surfaces of pulley spindle, still be equipped with on the column spinner and drive lifting chain 11 and carry out the drive assembly that level and vertical direction removed.

When the annular crane is used, in the prior art, the annular crane in the waterwheel chamber has hoisting dead angles, and the parts of the turbine need to be manually lifted to be in place in the area where the annular crane cannot hoist. However, in actual construction, for heavier components, the surface of the lifted components is smooth, the force application points are few, and other factors influence the situation that human bodies are easily injured due to careless operation when the components are lifted and installed manually, and a great safety accident may be caused in serious cases. Therefore, in order to solve the problems, the hoisting efficiency of the water turbine component is improved, the safety in the construction process is improved, and manpower and material resources are saved, the embodiment provides the hoisting device. The method specifically comprises the following steps: the parts to be hoisted are fixed on the hoisting chain 11, when the parts need to move in the horizontal direction, the driving component drives the transmission chain 10 to move horizontally along the length direction of the bearing frame 17, the transmission chain 10 moves to drive the pulley shaft 12 fixedly connected with the transmission chain 10 to move, and the pulley shaft 12 moves to enable the hoisting chain 11 on the pulley shaft 12 to move in the horizontal direction, so that the horizontal movement of hoisted articles is realized. When height adjustment is needed, the chain block 8 is driven by the driving assembly, so that the chain block 8 drives the hoisting chain 11 to move in the height direction, and further the vertical movement of the hoisted object is realized. When the circumferential direction needs to be rotated, the rotating column is driven to rotate, and then the hoisted objects can be driven to rotate in the circumferential direction. Therefore, this embodiment can realize that the indoor hydraulic turbine part of waterwheel can remove at level, vertical and circumferencial direction in hoist and mount process to realize the accurate location of circle inner space.

As a further description of the above embodiment, the rotating column includes a main shaft 2 and a rotating shaft 20, the lower end of the main shaft 2 is connected with the permanent magnet 1, the main shaft 2 is connected with the rotating shaft 20 through a rotating bearing flange 4, a central column 3 is fixedly connected to the center of the bottom of the rotating bearing flange 4, and the central column 3 is inserted into the main shaft 2.

During the use of this embodiment, main shaft 2 and axis of rotation 20 are steel tube structure, lean on rolling bearing flange 4 to connect between main shaft 2 and the axis of rotation 20, and axis of rotation 20 welds on rolling bearing flange 4, and the welding of the bottom center of rolling bearing flange 4 has a center post 3, assembles back axis of rotation 20 and rolling bearing flange 4, inserts the center post 3 in main shaft 2, and rolling bearing flange 4 can rotate in a flexible way. When the hoisted object needs to move in the circumferential direction, the rotating bearing flange 4 is rotated.

In this embodiment, the main shaft 2 is a steel pipe, the upper pipe orifice is connected with the rotating bearing flange 4, and the lower pipe orifice is combined with the permanent magnet 1. The permanent magnet 1 provides attraction force to the ground ferromagnetic material, thereby achieving the function of a fixing device. A magnetic switch is arranged in the permanent magnet body 1. The permanent magnet 1 can be demagnetized and magnetized according to the use requirement under the control of the permanent magnet switch. The magnetizing can be used as the acting point of the device.

The permanent magnet 1 selected by the embodiment can improve the suction force of 2 tons. Of course, the permanent magnet 1 is not limited to be selected to increase the suction force by 2 tons, and the corresponding selection can be performed according to the actual situation during the construction process.

As a further description of the above embodiment, the fixed box 9 is provided on the top of the rotating shaft 20, and the bearing frame 17 is fixedly connected to the top of the fixed box 9. The two sides of the C-shaped steel plate 26 are symmetrically provided with clamping grooves 21 along the length direction of the C-shaped steel plate, each clamping groove 21 is internally provided with a sliding groove 22, a pulley 13 capable of moving along the length direction of the sliding groove 22 is arranged in each sliding groove 22, and the pulley shaft 12 is connected with the two pulleys 13.

When the embodiment is used, the top of the rotating shaft 20 is welded on the fixed box 9, and the bearing frame 17 is welded on the fixed box 9. Clamping grooves 21 are formed in two sides of the bearing frame 17, sliding grooves 22 are embedded in the upper side and the lower side of each clamping groove 21, pulleys 13 capable of moving along the length direction of each sliding groove 22 are arranged in each sliding groove 22, and the two pulleys 13 are connected through pulley shafts 12. In this embodiment, the pulley 13 is arranged to enable the pulley shaft 12 to move along the length direction of the bearing frame 17, and meanwhile, the pulley 13 is arranged to reduce the friction force between the pulley shaft 12 and the bearing frame 17 during the moving process, so that the friction loss is reduced, the force required for driving the pulley shaft 12 to move is reduced, and the purpose of saving labor is achieved.

In this embodiment, the bearing frame 17 is directly connected to the rotating shaft 20 by a snap plate, and the outer wall of the snap plate is welded to the bearing frame 17.

As a further description of the above embodiment, the transmission chain 10 is fixedly connected with the pulley shaft 12 through the fixing block 15. The upper end of the fixed block 15 penetrates through the pulley shaft 12 and then is fixedly connected with the pulley shaft 12, and the lower end of the fixed block 15 is connected with the transmission chain 10 through the embedded nail 14.

When the lifting device is used, the upper portion of the fixing block 15 penetrates through the pulley shaft 12, the lower portion of the fixing block 15 is connected with the transmission chain 10 through the embedded nail 14, one end of the embedded nail 14 is embedded into the transmission chain 10, the other end of the embedded nail is embedded into the fixing block 15, then the transmission chain 10, the pulley shaft 12 and the fixing block 15 form a transmission combination, the lifting goods move back and forth in the horizontal direction through the transmission combination, and different use requirements are met.

In this embodiment, the transmission chain 10 and the pulley shaft 12 are not limited to be connected through the fixing block 15, other connection modes that can realize stable connection between the transmission chain 10 and the pulley shaft 12 can be implemented, and the transmission chain 10 and the pulley shaft 12 are connected after the connection screws sequentially penetrate through the transmission chain 10 and the pulley shaft 12.

As a further description of the above embodiment, the driving assembly includes a hand wheel box 5, the hand wheel box 5 is fixed on a rotating shaft 20, a displacement hand wheel 18 and a lifting hand wheel 19 are arranged on the hand wheel box 5, the displacement hand wheel 18 is connected with the driving belt 6, and the lifting hand wheel 19 is connected with the manual zipper 7. A first chain wheel 23 and a second chain wheel 24 are fixed on the inner wall of the C-shaped steel plate 26, the transmission chain 10 is connected with the first chain wheel 23 and the second chain wheel 24, a wheel shaft of the second chain wheel 24 penetrates through the C-shaped steel plate 26 and then is connected with a belt pulley 25, and a transmission belt 6 is arranged on the belt pulley 25. The chain block 8 comprises a manual zipper 7 which drives a hoisting chain 11 to move up and down.

When the lifting chain is used in the embodiment, when the lifting goods need to be moved in the vertical direction, the lifting hand wheel 19 is pulled, the lifting hand wheel 19 drives the manual zipper 7 to rotate, the manual zipper 7 rotates to drive the friction plate ratchet wheel and the brake seat to be pressed into a whole to rotate together, the tooth long shaft rotates the plate gear, the tooth short shaft and the spline hole gear, and the lifting chain wheel arranged on the spline hole gear drives the lifting chain 11, so that the heavy objects are lifted stably. Wherein the up and down movement of the weight is controlled by a manual zipper 7.

In this embodiment, the chain block 8 adopts the existing single brake of a ratchet friction plate type, and can automatically brake under load, the pawl is engaged with the ratchet under the action of the spring, and the brake safely works.

In the embodiment, a chain block 8 with the weight capable of being lifted 500Kg, the total length of the chain 4m and the height of the weight lifted object 1.5m is selected. But not limited to, the chain block 8 with the specification is selected and can be correspondingly selected according to actual conditions.

In this embodiment, when the hoisted goods need to be moved in the horizontal direction, the displacement hand wheel 18 is rotated, the displacement hand wheel 18 rotates to drive the belt pulley 25 to rotate, the belt pulley 25 rotates to drive the transmission chain 10 to move through the first chain wheel 23 and the second chain wheel 24, and the transmission chain 10 moves to drive the pulley shaft 12 connected with the transmission chain 10 to move, so that the goods can move back and forth in the horizontal direction.

In this embodiment, the connection manner between the lifting handwheel 19 and the manual zipper 7 and the connection manner between the displacement handwheel 18 and the belt pulley 25 are known to those skilled in the art, and therefore, further description thereof is omitted in this embodiment.

As a further description of the above embodiment, the lifting chain 11 is connected with a lifting lug 16 through the vertically downward end of the upper surface of the pulley shaft 12.

When the embodiment is used, the lifting lugs 16 are arranged to facilitate the fixation of the goods to be hoisted, so that the goods can be hoisted conveniently. Of course, the structure for fixing the cargo is not limited to the use of the lifting lug 16, and any other structure capable of stably connecting the cargo may be used. Such as load bearing plates and the like.

To sum up, the utility model discloses in, hoist device can realize the free rotation at level, vertical and circumferencial direction to there is the problem at rotation dead angle in the indoor annular crane of solution waterwheel, realizes the indoor all-round hoist and mount of waterwheel with the annular crane cooperation, improves hoist and mount efficiency, and the material resources of using manpower sparingly, and whole hoist and mount process easy operation, the security is high. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides an indoor hydraulic turbine part hoist device of waterwheel, includes revolving column and fixed connection in bearing frame (17) at revolving column top, its characterized in that: the utility model discloses a chain block, including rotatory column bottom, bearing frame (17) and chain block, it is equipped with the pulley spindle (12) that can follow C shaped steel board (26) length direction and remove to rotate the column bottom, bearing frame (17) inboard is fixed with driving chain (10) including C shaped steel board (26), be equipped with in C shaped steel board (26) and follow pulley spindle (12) length direction, driving chain (10) and pulley spindle (12) fixed connection, bearing frame (17) below is equipped with chain block (8), vertical downwards in chain block (8) interior lifting chain (11) through pulley spindle (12) upper surface back, still be equipped with on the column spinner and drive lifting chain (11) and carry out the drive assembly that level and vertical direction removed.

2. The hoisting device for the water turbine component in the waterwheel chamber as defined in claim 1, wherein: the rotary column comprises a main shaft (2) and a rotating shaft (20), the lower end of the main shaft (2) is connected with the permanent magnet (1), the main shaft (2) is connected with the rotating shaft (20) through a rotating bearing flange (4), a center column (3) is fixedly connected to the center of the bottom of the rotating bearing flange (4), and the center column (3) is inserted into the main shaft (2).

3. The hoisting device for the water turbine component in the waterwheel chamber as claimed in claim 1, wherein: the C-shaped steel plate (26) is characterized in that clamping grooves (21) are symmetrically formed in two sides of the C-shaped steel plate along the length direction of the C-shaped steel plate, each clamping groove (21) is internally provided with a sliding groove (22), a pulley (13) capable of moving along the length direction of the sliding groove (22) is arranged in each sliding groove (22), and the pulley shaft (12) is connected with the two pulleys (13).

4. The hoisting device for the water turbine component in the waterwheel chamber as claimed in claim 1, wherein: the transmission chain (10) is fixedly connected with the pulley shaft (12) through a fixing block (15).

5. The hoisting device for the water turbine component in the waterwheel chamber as claimed in claim 4, wherein: the upper end of the fixed block (15) penetrates through the pulley shaft (12) and then is fixedly connected with the pulley shaft (12), and the lower end of the fixed block (15) is connected with the transmission chain (10) through an embedded nail (14).

6. The hoisting device for the water turbine component in the waterwheel chamber as claimed in claim 2, wherein: the top of the rotating shaft (20) is provided with a fixed box (9), and the bearing frame (17) is fixedly connected to the top of the fixed box (9).

7. The hoisting device for the water turbine component in the waterwheel chamber as claimed in claim 2, wherein: a first chain wheel (23) and a second chain wheel (24) are fixed on the inner wall of the C-shaped steel plate (26), the transmission chain (10) is connected with the first chain wheel (23) and the second chain wheel (24), a wheel shaft of the second chain wheel (24) penetrates through the C-shaped steel plate (26) and then is connected with a belt pulley (25), and a transmission belt (6) is arranged on the belt pulley (25).

8. The hoisting device for the water turbine component in the waterwheel chamber as claimed in claim 7, wherein: the chain block (8) comprises a manual zipper (7) which drives the hoisting chain (11) to move up and down.

9. The hoisting device for the water turbine component in the waterwheel chamber as recited in claim 8, wherein: the drive assembly comprises a hand wheel box (5), the hand wheel box (5) is fixed on a rotating shaft (20), a displacement hand wheel (18) and a lifting hand wheel (19) are arranged on the hand wheel box (5), the displacement hand wheel (18) is connected with a driving belt (6), and the lifting hand wheel (19) is connected with a manual zipper (7).

10. The hoisting device for the water turbine component in the waterwheel chamber as claimed in claim 1, wherein: the lifting chain (11) is connected with a lifting lug (16) through the end part of the upper surface of the pulley shaft (12) which is vertically downward.