Integral lifting appliance for rotating wheel coupling and assembling and disassembling tool of integral lifting appliance

Abstract

The utility model discloses a runner coupling integral lifting appliance and a handling tool thereof, and relates to the technical field of water conservancy and hydropower, the runner coupling integral lifting appliance comprises a connecting plate and a pin shaft, the edge of the connecting plate is provided with a connecting hole for connecting a workpiece, the bottom of the connecting plate is oppositely provided with two lug plates, and two ends of the pin shaft are respectively connected with the two lug plates; a through hole is formed in the position, located between the two lug plates, of the connecting plate, and a lifting device penetrates through the through hole to be connected with the pin shaft. The lifting appliance is simple in structure, safe and reliable, and can be suitable for lifting large workpieces such as rotating wheel couplings and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy and hydropower technical field, specifically to a whole lifting appliance of runner coupling and its loading and unloading tool. BACKGROUND

[0002] The lifting appliance structure of the runner coupling is complex, the installation and dismounting process is tedious, the overall strength of the lifting appliance is not high, and there is a safety hazard. UTILITY MODEL CONTENTS

[0003] In view of the defects in the prior art, the utility model aims at providing a whole lifting appliance of runner coupling and its loading and unloading tool, which is simple in structure, safe and reliable, and can be applied to the hoisting of large workpieces such as runner coupling.

[0004] To achieve the above purpose, the utility model takes the technical scheme that a whole lifting appliance of runner coupling, comprising a connecting plate, further comprising a pin shaft, the edge of the connecting plate is provided with a connecting hole for connecting a workpiece, the bottom of the connecting plate is oppositely provided with two ear plates, and the two ends of the pin shaft are connected with the two ear plates respectively.

[0005] Further improvement lies in that the first reinforcing rib is arranged around the through hole on the top surface of the connecting plate.

[0006] Further improvement lies in that the reinforcing column is arranged at the connecting hole on the top surface of the connecting plate.

[0007] Further improvement lies in that the second reinforcing rib is connected between the reinforcing column and the first reinforcing rib.

[0008] Further improvement lies in that the reinforcing plate is arranged between the ear plate and the connecting plate.

[0009] Further improvement lies in that the through hole is arranged axially in the pin shaft, and the limiting groove for mounting the clamp is arranged on the outer side of the two ends of the pin shaft.

[0010] Further improvement lies in that the fastener for connecting the workpiece is arranged in the connecting hole.

[0011] Further improvement lies in that the fastener comprises a screw rod, the screw rod is sequentially inserted into the connecting plate and the workpiece from top to bottom, the upper end of the screw rod is provided with the first locking nut abutting against the connecting plate, and the lower end of the screw rod is provided with the second locking nut abutting against the workpiece.

[0012] The utility model also provides a kind of for the above-mentioned whole lifting appliance of runner coupling, including backing plate, support plate, connecting rod and pull rod;The lug plate is provided with first screw hole, and the pin shaft end face is provided with second screw hole;The backing plate is connected with the second screw hole of pin shaft by bolt, and the proximal end of connecting rod is connected with the first screw hole of lug plate by bolt, and the distal end of connecting rod is fixedly connected with support plate, and the both ends of pull rod are connected with backing plate and support plate respectively.

[0013] Further improvement lies in that it further comprises a supporting mechanism located below the handling tool, the supporting mechanism comprises a supporting block and a jacking rod, the lug plate is provided with a third screw hole, the supporting block is connected with the third screw hole of the lug plate by a bolt, and the outer side of the supporting block is provided with a connecting block;The jacking rod is arranged through the connecting block, and the upper end of the jacking rod is used for abutting against the pin shaft.

[0014] The utility model has the advantages of:

[0015] 1、The utility model discloses simple structure, safe and reliable, can be applicable to the hoisting of large workpieces such as runner coupling.

[0016] 2、In the utility model, through the design special handling tool, the quick installation and disassembly of pin shaft can be realized, and the working efficiency is improved.

[0017] 3、In the utility model, through the design supporting mechanism, the pin shaft can be supported and guided during installation and disassembly, and the safety is improved. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the perspective view of the whole lifting appliance of runner coupling in the utility model embodiment;

[0019] Figure 2 It is the perspective view of the whole lifting appliance of runner coupling in the utility model embodiment;

[0020] Figure 3 It is the sectional view of the whole lifting appliance of runner coupling in the utility model embodiment;

[0021] Figure 4 It is the plan view of the whole lifting appliance of runner coupling in the utility model embodiment;

[0022] Figure 5 It is the sectional view of the pin shaft in the utility model embodiment;

[0023] Figure 6 It is the working principle diagram of the whole lifting appliance of runner coupling in the utility model embodiment;

[0024] Figure 7 It is Figure 6 the plan view;

[0025] Figure 8 is a structural schematic view of the fastener in the embodiment of the utility model;

[0026] Figure 9 is a working state view when the tool is disassembling the pin shaft in the embodiment of the utility model;

[0027] Figure 10 is a working state view when the tool is installing the pin shaft in the embodiment of the utility model;

[0028] Figure 11 is a structural schematic view of the supporting mechanism in the embodiment of the utility model;

[0029] Figure 12 is a stress distribution view of the connecting plate in the embodiment of the utility model;

[0030] Figure 13 is a stress distribution view of the pin shaft in the embodiment of the utility model.

[0031] Reference signs:

[0032] 1-connecting plate; 11-through hole; 12-strengthening column; 13-connecting hole; 14-first reinforcing rib; 15-second reinforcing rib;

[0033] 2-ear plate; 21-strengthening plate; 22-first screw hole; 23-third screw hole;

[0034] 3-pin shaft; 31-through hole; 32-limiting slot; 33-clamp; 34-second screw hole;

[0035] 4-fastener; 41-screw rod; 42-first locking nut; 43-second locking nut;

[0036] 5-tool; 51-pull rod; 52-pad plate; 53-supporting plate; 54-connecting rod;

[0037] 6-supporting mechanism; 61-supporting block; 62-connecting block; 63-jacking rod. DETAILED DESCRIPTION

[0038] The embodiments of the utility model are described in detail below, and the embodiment examples are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions.

[0039] In the description of the utility model, it is necessary to explain that, for the direction words, if the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of narrating the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0040] In addition, if the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first", "second" features can be explicitly or implicitly included one or more features, and in the description of the utility model, the meaning of "several", "several" is two or more than two, unless otherwise explicitly specified.

[0041] The specific embodiments of the utility model are further described below in conjunction with the drawings of the specification, so that the technical scheme of the utility model and its beneficial effects are clearer and more explicit. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0042] Referring to Figures 1-4 As shown in the figure, the utility model embodiment provides a kind of whole lifting appliance of rotating wheel shaft coupling, including connecting plate 1, still including pin shaft 3, the edge of connecting plate 1 is provided with the connecting hole 13 for connecting workpiece, the bottom of connecting plate 1 is oppositely provided with two ear plates 2, and the two ends of pin shaft 3 are connected with two ear plates 2 respectively;Connecting plate 1 is provided with through hole 11 at the position between two ear plates 2, and hoisting device is connected with pin shaft 3 by passing through the through hole 11.Specifically, first reinforcing rib 14 is provided around through hole 11 on the top surface of connecting plate 1.Strengthening column 12 is arranged at connecting hole 13 of the top surface of connecting plate 1.Second reinforcing rib 15 is connected between strengthening column 12 and first reinforcing rib 14.Strengthening plate 21 is arranged between ear plate 2 and connecting plate 1.

[0043] Referring to Figure 5 As shown in the figure, pin shaft 3 is provided with through hole 31 in the axial direction inside, and the outer side of the two ends of pin shaft 3 is provided with limiting slot 32 for installing clamp 33.

[0044] Referring to Figures 6-8As shown, the connecting hole 13 is provided with a fastener 4 for connecting a workpiece. Specifically, the fastener 4 includes a screw rod 41, which is inserted into the connecting plate 1 and the workpiece in sequence from top to bottom, and the upper end of the screw rod 41 is provided with a first locking nut 42 abutting against the connecting plate 1, and the lower end of the screw rod 41 is provided with a second locking nut 43 abutting against the workpiece.

[0045] Referring to Figures 9-10 As shown, the utility model embodiment further provides a loading and unloading tool for the above-mentioned whole lifting appliance of rotary joint, which comprises a backing plate 52, a supporting plate 53, a connecting rod 54 and a pull rod 51; the lug plate 2 is provided with a first screw hole 22, and the end face of the pin shaft 3 is provided with a second screw hole 34; the backing plate 52 is connected with the second screw hole 34 of the pin shaft 3 through bolts, the proximal end of the connecting rod 54 is connected with the first screw hole 22 of the lug plate 2 through bolts, the distal end of the connecting rod 54 is fixedly connected with the supporting plate 53, and the two ends of the pull rod 51 are connected with the backing plate 52 and the supporting plate 53 respectively.

[0046] Referring to Figure 11 As shown, the loading and unloading tool further comprises a supporting mechanism 6 located below the loading and unloading tool 5, the supporting mechanism 6 comprises a supporting block 61 and a jacking rod 63, the lug plate 2 is provided with a third screw hole 23, the supporting block 61 is connected with the third screw hole 23 of the lug plate 2 through bolts, and the outer side of the supporting block 61 is provided with a connecting block 62; the jacking rod 63 is arranged through the connecting block 62, and the upper end of the jacking rod 63 is used for abutting against the pin shaft 3.

[0047] The lifting appliance of the utility model can be suitable for different workpieces according to the use number and corresponding positions of the connecting holes, for example, the main shaft and the rotary are lifted together (U1, U2), the main shaft and the rotary are lifted together (U3, U4, U5, U6), the main shaft or the rotary is lifted alone, etc.

[0048] Table 1 stress calculation result of lifting appliance

[0049]

[0050] Referring to Figure 12 、 Figure 13For the combined lifting of the main shaft and runner of the U1, U2 water turbine, the nominal stress of the lifting tool is 109 MPa, which is less than the allowable nominal stress of 189 MPa. The peak stress is 217 MPa, which is less than the allowable peak stress of 245.7 MPa. The nominal stress of the pin shaft is 59 MPa, which is less than the allowable nominal stress of 207 MPa. The peak stress is 73 MPa, which is less than the allowable peak stress of 269.1 MPa. For the combined lifting of the main shaft and runner of the U3 to U6 water turbine, the nominal stress of the lifting tool is 136 MPa, which is less than the allowable nominal stress of 189 MPa. The peak stress is 238 MPa, which is less than the allowable peak stress of 245.7 MPa. The nominal stress of the pin shaft is 66 MPa, which is less than the allowable nominal stress of 207 MPa. The peak stress is 81 MPa, which is less than the allowable peak stress of 269.1 MPa. Therefore, the design of the lifting device is safe and reliable.

[0051] In the description of the specification, the description of the terms "one embodiment", "preferably", "example", "specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model, and the illustrative description of the above terms in the specification does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] Through the above description of the structure and principle, those skilled in the art should understand that the utility model is not limited to the above specific embodiments, and improvements and replacements of the technology known in the art based on the utility model all fall within the protection scope of the utility model, which should be limited by each claim.

Claims

1. A rotary coupling integral hoist comprising a connecting plate (1), characterized in that: The connecting plate (1) is provided with a connecting hole (13) for connecting a workpiece at the edge thereof, and the bottom of the connecting plate (1) is oppositely provided with two lug plates (2), and the two ends of the pin shaft (3) are connected with the two lug plates (2) respectively; the connecting plate (1) is provided with a through hole (11) at the position between the two lug plates (2), and a hoisting device is connected with the pin shaft (3) through the through hole (11).

2. The rotary union integral hanger of claim 1, wherein: The first reinforcing rib (14) is arranged around the through hole (11) on the top surface of the connecting plate (1).

3. The rotary union integral hanger of claim 2, wherein: The connecting plate (1) is provided with a reinforcing column (12) at the connecting hole (13) on the top surface thereof.

4. The rotary union integral hanger of claim 3, wherein: The second reinforcing rib (15) is connected between the reinforcing column (12) and the first reinforcing rib (14).

5. The rotary union integral hanger of claim 1, wherein: The reinforcing plate (21) is arranged between the lug plate (2) and the connecting plate (1).

6. The rotary union integral hanger of claim 1, wherein: The pin shaft (3) is provided with a through hole (31) in the inside thereof in the axial direction, and the two ends of the pin shaft (3) are provided with limiting grooves (32) for mounting the clamps (33) on the outside thereof.

7. The rotary union integral hanger of claim 1, wherein: The connecting hole (13) is provided with a fastener (4) for connecting the workpiece.

8. The rotary union integral hanger of claim 7, wherein: The fastener (4) comprises a screw rod (41), the screw rod (41) is sequentially inserted into the connecting plate (1) and the workpiece from top to bottom, and the upper end of the screw rod (41) is provided with a first locking nut (42) abutting against the connecting plate (1), and the lower end of the screw rod (41) is provided with a second locking nut (43) abutting against the workpiece.

9. A handling tool for the integral hoist of claim 1 to 8, characterized in that: The lug plate (2) is provided with a first screw hole (22), and the end surface of the pin shaft (3) is provided with a second screw hole (34); the spacer plate (52) is connected with the second screw hole (34) of the pin shaft (3) through a bolt, the proximal end of the connecting rod (54) is connected with the first screw hole (22) of the lug plate (2) through a bolt, the distal end of the connecting rod (54) is fixedly connected with the support plate (53), and the two ends of the pull rod (51) are connected with the spacer plate (52) and the support plate (53) respectively.

10. The tool of claim 9 wherein: The support mechanism (6) is arranged below the tool (5), the support mechanism (6) comprises a support block (61) and a jacking rod (63), the lug plate (2) is provided with a third screw hole (23), the support block (61) is connected with the third screw hole (23) of the lug plate (2) through a bolt, and the outside of the support block (61) is provided with a connecting block (62); the jacking rod (63) is arranged through the connecting block (62), and the upper end of the jacking rod (63) is used for abutting against the pin shaft (3).

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