CN215479199U - Hoisting device for water turbine sleeve - Google Patents

Abstract

The utility model discloses a hoisting device of a water turbine sleeve, which comprises a connecting assembly, wherein the connecting assembly comprises a fixed plate, a fixed ring, a steel wire rope and a clamping piece, the fixed plate is provided with the fixed ring, and two ends of the fixed plate are connected with the clamping piece through the steel wire rope; the supporting component comprises a clamping plate, a fixing block and a connecting piece, the fixing block is arranged on the clamping plate, the fixing block is connected with the clamping piece, and the clamping plates are mutually matched and connected through the connecting piece; the cardboard can carry out demountable installation through the connecting piece, can block the position that the sleeve top is close to the flange circle through the cardboard, fix the sleeve, carry out the in-process of hoist and mount to the sleeve, just can avoid using the lifting hook to pass the mounting hole on the sleeve and hoist to play the guard action to the mounting hole on the sleeve, prevent that deformation from appearing in mounting hole port part, in the later stage to the sleeve installation, the mounting hole appears being difficult to the complex condition.

Description

Hoisting device for water turbine sleeve

Technical Field

The utility model relates to the technical field of water turbine maintenance, in particular to a hoisting device for a water turbine sleeve.

Background

Hydroelectric power plant's hydraulic turbine need regularly maintain when the inspection to guarantee normal operating, the stable electricity generation of assurance, when carrying out the overhaul to the hydraulic turbine, spare parts such as the sleeve on the hydraulic turbine all will be demolishd, then change the inspection, tear the in-process of hanging open the sleeve, current mode is to pass the mounting hole on the sleeve to the lifting hook, with connecting lifting hook and wire rope through the buckle, tear open through the bridge crane at last and hang work.

Because the sleeve dead weight is great, at the in-process of hoist and mount, the sleeve can appear rocking on the lifting hook, and rigid contact between mounting hole on the sleeve and the lifting hook makes the mounting hole port part appear deformation easily, in the later stage to the sleeve installation, the mounting hole appears being difficult to the complex condition, perhaps appears the gap between the cooperation, leads to the water proofness variation, influences the normal work of hydraulic turbine.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.

Therefore, the technical problems to be solved by the utility model are as follows: hard contact between mounting hole on the sleeve and the lifting hook makes the deformation appear in mounting hole port part easily, in the later stage to the sleeve installation, the mounting hole appears being difficult to the complex condition, perhaps appears the gap between the cooperation, leads to the water proofness variation, influences the normal work of hydraulic turbine.

In order to solve the technical problems, the utility model provides the following technical scheme: a hoisting device for a water turbine sleeve comprises a connecting assembly, wherein the connecting assembly comprises a fixed plate, a fixed ring, a steel wire rope and a clamping piece, the fixed plate is provided with the fixed ring, and two ends of the fixed plate are connected with the clamping piece through the steel wire rope; the supporting component comprises a clamping plate, a fixing block and a connecting piece, the fixing block is arranged on the clamping plate, the fixing block is connected with the clamping piece, and the clamping plate is connected in a mutually matched mode through the connecting piece.

As a preferable scheme of the hoisting device of the water turbine sleeve, the hoisting device comprises: and the fixed plate is provided with a mounting hole, the steel wire rope penetrates through the mounting hole and the clamping piece, and the steel wire rope is connected end to end.

As a preferable scheme of the hoisting device of the water turbine sleeve, the hoisting device comprises: the fastener includes snap ring, sleeve pipe, be provided with the breach on the snap ring, the sleeve pipe cover is established on the snap ring.

As a preferable scheme of the hoisting device of the water turbine sleeve, the hoisting device comprises: the length of the sleeve is larger than the gap, and the inner wall of the sleeve is sleeved on the outer wall of the snap ring connected to two sides of the gap in a sliding mode.

As a preferable scheme of the hoisting device of the water turbine sleeve, the hoisting device comprises: an inner groove is formed in the clamping ring on one side of the notch, the end wall of the inner groove is fixedly connected with one end of the spring, the inner wall of the sleeve is protruded to form a limiting plate, and a limiting rod is arranged on the limiting plate and fixedly connected with the other end of the spring.

As a preferable scheme of the hoisting device of the water turbine sleeve, the hoisting device comprises: the cardboard is the semicircle ring-type, and the fixed block setting is on the cardboard outer wall to be provided with the fixed orifices on the fixed block.

As a preferable scheme of the hoisting device of the water turbine sleeve, the hoisting device comprises: the connecting piece includes first fixture block and second fixture block, and first fixture block and second fixture block set up respectively in two cardboard outer wall end positions to be provided with the slot on the first fixture block, be provided with the picture peg on the second fixture block, picture peg sliding connection slot inner wall.

As a preferable scheme of the hoisting device of the water turbine sleeve, the hoisting device comprises: the first fixture block is provided with a first through hole penetrating through the slot, the inserting plate is provided with a second through hole, bolts penetrate through the inner walls of the first through hole and the second through hole, the bolts are in threaded connection with nuts, and the inner diameter of the fixing hole is larger than the radial size of the sleeve.

As a preferable scheme of the hoisting device of the water turbine sleeve, the hoisting device comprises: the outer wall of the sleeve is arranged on the inner wall of the fixing hole in a sliding mode.

As a preferable scheme of the hoisting device of the water turbine sleeve, the hoisting device comprises: the limiting rod is slidably connected with the inner wall of the inner groove.

The utility model has the beneficial effects that: the utility model comprises the following steps: the cardboard can carry out demountable installation through the connecting piece, can block the position that the sleeve top is close to the flange circle through the cardboard, fix the sleeve, carry out the in-process of hoist and mount to the sleeve, just can avoid using the lifting hook to pass the mounting hole on the sleeve and hoist, thereby play the guard action to the mounting hole on the sleeve, prevent that deformation from appearing in mounting hole port part, in the later stage to the sleeve installation, the mounting hole appears being difficult to the complex condition, perhaps the gap appears between the cooperation, lead to the water proofness variation, influence the normal work of the hydraulic turbine.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a schematic view of the connecting assembly and the support assembly in the first, second and third embodiments.

Fig. 2 is an exploded view of a support assembly according to a second embodiment.

Fig. 3 is a sectional view of the engaging member in the second and third embodiments.

Fig. 4 is an enlarged view of a portion a of fig. 3 in the second and third embodiments.

Fig. 5 is a schematic view of a conventional sleeve structure in the first and third embodiments.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 and 5, for a first embodiment of the present invention, a hoisting device for a water turbine sleeve is provided, which includes a connection assembly 100, where the connection assembly 100 includes a fixing plate 101, a fixing ring 102, a steel cable 103 and a fastener 104, the fixing plate 101 is provided with the fixing ring 102, the fixing ring 102 is fixedly mounted on the fixing plate 101, a hook on a bridge crane penetrates through the fixing ring 102 to hoist the fixing ring 102, the fixing plate 101 can move along with the fixing ring 102, two ends of the fixing plate 101 are connected with the fastener 104 through the steel cable 103, the steel cable 103 can connect the fixing plate 101 and the fastener 104, and the steel cable 103 and the fastener 104 are symmetrically disposed at two ends of the fixing plate 101, so as to be beneficial to balance;

the supporting component 200 comprises a clamping plate 201, a fixed block 202 and a connecting piece 203, the clamping plate 201 is provided with the fixed block 202, the clamping plate 201 is fixedly connected with the fixed block 202, the clamping plate 201 can move along with the fixed block 202, the fixed block 202 is connected with a clamping piece 104, the fixed block 202 is detachably connected with the clamping piece 104, the clamping piece 104 can drive the fixed block 202 to move and further drive the clamping plate 201 to move, the clamping plate 201 is mutually matched and connected through the connecting piece 203, the clamping plate 201 can be detachably installed through the connecting piece 203, the position, close to a flange ring, of the top of a sleeve can be clamped through the clamping plate 201, the sleeve is fixed, in the process of hoisting the sleeve, a lifting hook can be prevented from being used for hoisting through a mounting hole in the sleeve, the protection effect on the mounting hole on the sleeve is achieved, and the deformation of a port part of the mounting hole is prevented, in the later stage to the sleeve installation, the mounting hole appears being difficult to the circumstances of cooperation, perhaps appears the gap between the cooperation, leads to the water tightness variation, influences the normal work of hydraulic turbine.

Example 2

Referring to fig. 1 to 5, a second embodiment of the present invention, which is based on the above embodiment,

preferably, the fixing plate 101 is provided with a connecting hole 101a, the steel wire rope 103 passes through the connecting hole 101a and the engaging member 104, the steel wire rope 103 is connected end to form a fixed ring, the fixing plate 101 and the engaging member 104 can be connected together, and when the fixing ring 102 and the fixing plate 101 are hoisted by using the existing bridge crane pair, the engaging member 104 can be hoisted by the steel wire rope 103.

Preferably, the engaging member 104 includes a snap ring 104a and a sleeve 104b, the snap ring 104a is provided with a notch 104a-1, the snap ring 104a can penetrate through a fixing hole 202a of the fixing block 202 through the notch 104a-1 to drive the snap plate 201 to move, the sleeve 104b is sleeved on the snap ring 104a, and the sleeve 104b can slide on the snap ring 104 a.

Preferably, the length of the sleeve 104b is greater than the gap 104a-1, the inner wall of the sleeve 104b is slidably sleeved on the outer wall of the snap ring 104a connected to the two sides of the gap 104a-1, the sleeve 104b can slide on the snap ring 104a to cover the gap 104a-1, and the sleeve 104b and the snap ring 104a form a complete ring, so that the fixed block 202 can be prevented from falling out of the snap ring 104a in the hoisting process, and the safety is improved.

Preferably, an inner groove 104a-2 is formed on the snap ring 104a on one side of the notch 104a-1, an end wall of the inner groove 104a-2 is fixedly connected with one end of the spring 104c, an inner wall of the sleeve 104b protrudes to form a limit plate 104b-1, a limit rod 104b-2 is arranged on the limit plate 104b-1, the limit rod 104b-2 is fixedly connected with the other end of the spring 104c, the spring 104c can push the limit rod 104b-2 to move under the action of elastic force, the sleeve 104b can be pushed to move by the limit plate 104b-1 when the limit rod 104b-2 moves, the inner wall of one end of the sleeve 104b, which is relatively far away from the limit rod 104b-2, is sleeved on the snap ring 104a, the sleeve 104b covers the notch 104a-1, the sleeve 104b and the snap ring 104a form a complete ring, the elastic force of the spring 104c can always apply pressure to the limit rod 104b-2, the sleeve 104b is pushed by the limiting plate 104b-1, so that the sleeve 104b tends to cover the notch 104a-1, the sleeve 104b is prevented from accidentally sliding to open the notch 104a-1, and safety is improved.

Preferably, the clamping plate 201 is semicircular, the fixing block 202 is arranged on the outer wall of the clamping plate 201, a fixing hole 202a is formed in the fixing block 202, and the snap ring 104a can penetrate through the fixing hole 202a and drives the clamping plate 201 to move through the fixing block 202.

Preferably, the connecting member 203 comprises a first latch 203a and a second latch 203b, the first latch 203a and the second latch 203b are respectively disposed at the end positions of the outer walls of the two fastening plates 201, the first latch 203a is provided with a slot 203a-1, the second latch 203b is provided with an insert plate 203b-1, the insert plate 203b-1 is slidably connected with the inner wall of the slot 203a-1, and the insert plate 203b-1 can be inserted into the inner wall of the slot 203 a-1.

Preferably, the first latch 203a is provided with a first through hole 203a-2, the first through hole 203a-2 penetrates through the slot 203a-1, the insert plate 203b-1 is provided with a second through hole 203b-2, and the inner walls of the first through hole 203a-2 and the second through hole 203b-2 are penetrated by a bolt 203c, the bolt 203c is in threaded connection with the inner diameter of the nut fixing hole 202a which is larger than the radial dimension of the sleeve 104b, the bolt 203c is penetrated through the first through hole 203a-2 and the second through hole 203b-2 to enable the insert plate 203b-1 to be inserted into the insert groove 203a-1 to be fixed together, and then make first fixture block 203a and second fixture block 203b fixed together, make two cardboard 201 connect into a whole, can put the sleeve card in the middle of two cardboard 201, can hoist the sleeve when driving cardboard 201 and removing and hoist.

Preferably, the outer wall of the sleeve 104b is slidably disposed on the inner wall of the fixing hole 202a, and the sleeve 104b can pass through the fixing hole 202a, so that the ring formed by the sleeve 104b and the snap ring 104a passes through the fixing hole 202 a.

Preferably, the inner wall of the inner slot 104a-2, which is slidably connected to the stop rod 104b-2, can be kept in sufficient contact with the spring 104c, which is beneficial to ensure that the elastic force of the spring 104c can always apply pressure on the stop rod 104 b-2.

Example 3

Referring to fig. 1 and 3 to 5, a third embodiment of the present invention is based on the above two embodiments, and when in use, two clamping plates 201 are clamped on the outer wall of a sleeve, an inserting plate 203b-1 is inserted into an inserting slot 203a-1, a bolt 203c passes through a first through hole 203a-2 and a second through hole 203b-2, and a nut is screwed at the same time, so that the inserting plate 203b-1 is inserted into the inserting slot 203a-1 and fixed together, and further, a first clamping block 203a and a second clamping block 203b are fixed together, so that the two clamping plates 201 are connected into a whole, the sleeve can be clamped between the two clamping plates 201, the top of the clamping sleeve is clamped at a position close to a flange ring, and the flange ring can prevent the sleeve from sliding out of the clamping plates 201, so that the clamping plates 201 and the sleeve are kept fixed;

the sleeve 104b is pulled to move towards the side close to the spring 104c, the limiting plate 104b-1 pushes the limiting rod 104b-2 to slide in the inner groove 104a-2, the spring 104c is compressed to expose the notch 104a-1, the clamping ring 104a is partially inserted into the fixing hole 202a through the notch 104a-1, the spring 104c can push the limiting rod 104b-2 to move under the action of the elastic force, the limiting rod 104b-2 can push the sleeve 104b to move through the limiting plate 104b-1 when moving, the inner wall of one end, far away from the limiting rod 104b-2, of the sleeve 104b is sleeved on the clamping ring 104a, the sleeve 104b covers the notch 104a-1, the sleeve 104b and the clamping ring 104a form a complete ring, and the clamping piece 104 is connected with the fixing block 202;

pass solid fixed ring 102 through the hook on the current bridge crane, solid fixed ring 102 can be hoisted to the bridge crane during operation, fixed plate 101 is hoisted along with solid fixed ring 102, fastener 104 can be hoisted through crossing wire rope 103, fastener 104 can take fixed block 202 and cardboard 201 to remove, the middle sleeve that blocks of cardboard 201 of hoisting, the flange circle on the sleeve can prevent sleeve roll-off cardboard 201, hoist the sleeve, avoid using the lifting hook to pass the mounting hole on the sleeve and hoist, thereby play the guard action to the mounting hole on the sleeve, prevent that deformation from appearing in mounting hole port part, in the later stage to the sleeve installation, the mounting hole appears being difficult to the complex condition, or the gap appears between the cooperation, lead to the water tightness variation, influence the normal work of hydraulic turbine.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the utility model, or those unrelated to enabling the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a telescopic hoist device of hydraulic turbine which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the connecting assembly (100) comprises a fixing plate (101), a fixing ring (102), a steel wire rope (103) and a clamping piece (104), wherein the fixing ring (102) is arranged on the fixing plate (101), and two ends of the fixing plate (101) are connected with the clamping piece (104) through the steel wire rope (103);

supporting component (200), supporting component (200) are including cardboard (201), fixed block (202) and connecting piece (203), be provided with fixed block (202) on cardboard (201) to fixed block (202) are connected with fastener (104), and cardboard (201) are mutually supported through connecting piece (203) and are connected.

2. The hoisting device of the water turbine sleeve as claimed in claim 1, wherein: the fixing plate (101) is provided with a connecting hole (101a), the steel wire rope (103) penetrates through the connecting hole (101a) and the clamping piece (104), and the steel wire rope (103) is connected end to end.

3. The hoisting device of the water turbine sleeve as claimed in claim 1, wherein: the clamping piece (104) comprises a clamping ring (104a) and a sleeve (104b), a notch (104a-1) is formed in the clamping ring (104a), and the sleeve (104b) is sleeved on the clamping ring (104 a).

4. The hoisting device of the water turbine shroud as claimed in claim 3, wherein: the length of the sleeve (104b) is larger than that of the notch (104a-1), and the inner wall of the sleeve (104b) is sleeved on the outer wall of the snap ring (104a) connected to the two sides of the notch (104a-1) in a sliding mode.

5. The hoisting device of the water turbine sleeve as claimed in claim 4, wherein: an inner groove (104a-2) is formed in the clamping ring (104a) on one side of the notch (104a-1), the end wall of the inner groove (104a-2) is fixedly connected with one end of a spring (104c), the inner wall of the sleeve (104b) protrudes to form a limiting plate (104b-1), a limiting rod (104b-2) is arranged on the limiting plate (104b-1), and the limiting rod (104b-2) is fixedly connected with the other end of the spring (104 c).

6. The hoisting device of the water turbine sleeve as claimed in claim 1, wherein: the clamping plate (201) is semicircular, the fixing block (202) is arranged on the outer wall of the clamping plate (201), and a fixing hole (202a) is formed in the fixing block (202).

7. The hoisting device of the water turbine sleeve as claimed in claim 6, wherein: the connecting piece (203) comprises a first clamping block (203a) and a second clamping block (203b), the first clamping block (203a) and the second clamping block (203b) are respectively arranged at the end positions of the outer walls of the two clamping plates (201), a slot (203a-1) is formed in the first clamping block (203a), a plug plate (203b-1) is arranged on the second clamping block (203b), and the plug plate (203b-1) is in sliding connection with the inner wall of the slot (203 a-1).

8. The hoisting device of the water turbine shroud as claimed in claim 7, wherein: the first fixture block (203a) is provided with a first through hole (203a-2), the first through hole (203a-2) penetrates through the slot (203a-1), the insert plate (203b-1) is provided with a second through hole (203b-2), the inner walls of the first through hole (203a-2) and the second through hole (203b-2) are penetrated by a bolt (203c), the bolt (203c) is in threaded connection with a nut, and the inner diameter of the fixing hole (202a) is larger than the radial size of the sleeve (104 b).

9. The hoisting device of the water turbine sleeve as claimed in claim 5, wherein: the outer wall of the sleeve (104b) is arranged on the inner wall of the fixing hole (202a) in a sliding mode.

10. The hoisting device of the water turbine sleeve as claimed in claim 5, wherein: the limiting rod (104b-2) is slidably connected with the inner wall of the inner groove (104 a-2).

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