End cover overturning tool

Abstract

The utility model discloses an end cover overturning tool which comprises a support, a fixing assembly, a rotary connecting assembly, a speed reduction driving assembly and a positioning assembly. The fixing assemblies are arranged on the two sides in the support. The fixing assembly is rotationally connected with the support through the rotary connecting assembly. The speed reduction driving assembly is arranged on one side of the support and is in transmission connection with the rotary connecting assembly. The positioning assembly is arranged on the rotary connecting assembly. According to the overturning tool, the end cover can be overturned according to the assembly requirement so as to achieve assembly of the nozzle, the structure is simple, operation is convenient and fast, the assembly efficiency is greatly improved, and safety is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of part assembly, especially relates to a end cover turnover tool. BACKGROUND

[0002] As Figure 1 The end cover is the component of the combustion chamber of the gas turbine, and the weight is large. When assembling the combustion chamber of the gas turbine, the nozzle needs to be assembled to the end cover. When assembling the nozzle, the end cover needs to be turned over by a certain angle to facilitate the assembly of the nozzle. Since the weight of the end cover is large, manual turning over of the end cover at a fixed angle is difficult to achieve, and there is a great safety hazard. Therefore, a kind of end cover turnover tool is designed, which can turn over the end cover according to the assembly requirement to realize the assembly of the nozzle, and the structure is simple, convenient to operate, greatly improves the assembly efficiency, and is high in safety. UTILITY MODEL CONTENTS

[0003] In view of the above defects or deficiencies in the prior art, it is desirable to provide an end cover turnover tool, which can turn over the end cover according to the assembly requirement to realize the assembly of the nozzle, and the structure is simple, convenient to operate, greatly improves the assembly efficiency, and is high in safety.

[0004] The utility model provides a kind of end cover turnover tool, including support, fixed component, rotary connection component, speed reduction drive component and positioning component;

[0005] The fixed component is arranged at both sides in the support, for fixing end cover;The fixed component is fixedly connected with rotary connection component, and is rotatably connected with support by rotary connection component;

[0006] The speed reduction drive component is arranged at one side of the support, and is drivingly connected with the rotary connection component, for driving end cover rotation;

[0007] The positioning component is arranged on the rotary connection component, for respectively positioning each angle of the rotary connection component rotation to assembly requirement.

[0008] Further, the support includes two groups of tripods arranged symmetrically left and right, one corner of the tripod is upward and fixedly connected with support seat, the bottom between two groups of the tripods is fixedly connected by first crossbeam, the second crossbeam is fixedly arranged in the tripod, and the second crossbeam and first crossbeam are fixedly arranged with inclined strutting beam.

[0009] Further, the fixed component includes clamping block and support column, the inner side of support seat is one-to-one corresponding with the clamping block, the inner side of the clamping block is circular arc, and the both ends of the clamping block are respectively provided with through hole corresponding to the screw hole of the outer periphery of end cover, the support column is one-to-one corresponding with the through hole and is screw-connected with the screw hole, and the outer side of the clamping block is fixedly connected with chucking disc.

[0010] Further, the rotating connection assembly comprises shaft rods and bearings, the shaft rods are connected with the clamping disc through the bearings.

[0011] Further, the speed reduction driving assembly comprises a mounting frame, the mounting frame is fixedly arranged on the outer side of any of the tripods, a shell is fixedly arranged on the mounting frame, a worm wheel and a worm are rotatably arranged in the shell and engaged with each other, the worm wheel is fixedly connected with a driving shaft, the driving shaft is fixedly connected with the shaft rod on the same side through a shaft coupling, one end of the worm extends out of the shell and is fixedly connected with a driving disc.

[0012] Further, the positioning assembly comprises a protractor disc and a positioning pin, the protractor disc is connected with the shaft rod away from the speed reduction driving assembly through a key, a plurality of pin holes are uniformly distributed on the protractor disc in the circumferential direction, and the positioning pin is arranged above the support on the same side of the protractor disc, and one end of the positioning pin is inserted into the pin hole in a clearance fit.

[0013] Compared with the prior art, the end cover turnover tool has the following beneficial effects:

[0014] The end cover turnover tool comprises a support, a fixing assembly, a rotating connection assembly, a speed reduction driving assembly and a positioning assembly. When the end cover is turned over, the end cover is first clamped and fixed through the fixing assembly, then the end cover is driven to rotate to an angle suitable for nozzle assembly through the speed reduction driving assembly, and the angle of the end cover is positioned through the positioning assembly, and assembly work can be performed at this time. The turnover tool has the advantages of simple structure, convenient operation, greatly improved assembly efficiency and high safety.

[0015] It should be understood that the content described in the utility model content part is not intended to limit the key or important features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the utility model will become apparent through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0016] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-limiting embodiments made by referring to the following drawings:

[0017] Figure 1 It is a structural schematic view of the end cover;

[0018] Figure 2 It is a sectional structural schematic view of the end cover mounted on the turnover tool;

[0019] Figure 3 It is a three-dimensional structural schematic view of the end cover turnover tool.

[0020] Labels in the figure: 1, support; 2, fixed assembly; 3, rotating connection assembly; 4, speed reduction drive assembly; 5, positioning assembly; 6, end cover;

[0021] 11, tripod; 12, support; 13, first cross beam; 14, second cross beam; 15, diagonal bracing beam;

[0022] 21, clamping block; 22, support column; 23, through hole; 24, clamping disc;

[0023] 31, shaft; 32, bearing;

[0024] 41, mounting bracket; 42, housing; 43, drive shaft; 44, drive turntable;

[0025] 51, protractor; 52, positioning pin; 53, pin hole;

[0026] 61, screw hole. DETAILED DESCRIPTION

[0027] The utility model will be further described in detail below in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the related utility model, and not limited to the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description.

[0028] It should be noted that the examples in the utility model and the features in the examples can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with examples.

[0029] Please refer to Figures 1-3 The embodiment of the utility model provides a kind of end cover turnover tool, including support 1, fixed assembly 2, rotating connection assembly 3, speed reduction drive assembly 4 and positioning assembly 5;

[0030] Fixed assembly 2 is set to both sides in support 1, for fixing end cover 6;Fixed assembly 2 is fixedly connected with rotating connection assembly 3, and is rotatably connected with support 1 by rotating connection assembly 3;

[0031] Speed reduction drive assembly 4 is set to one side of support 1, and is drivingly connected with rotating connection assembly 3, for driving end cover 6 to rotate;

[0032] Positioning assembly 5 is set to rotating connection assembly 3, for respectively positioning rotating connection assembly 3 rotating to each angle required by assembly.

[0033] In the embodiment, when assembling the nozzle and the end cover 6, first, the end cover 6 is lifted by the hoisting equipment and moved into the fixed assembly 2, and then clamped and fixed by the fixed assembly 2. At this time, the end cover 6 can be driven to rotate to an angle suitable for nozzle assembly by the speed reduction driving assembly 4, and the angle of rotation of the end cover 6 is positioned by the positioning assembly 5, and at this time, the assembly work can be carried out.

[0034] When some nozzles are assembled, the angle of the end cover 6 is not suitable for the assembly of the remaining nozzles, the positioning of the positioning assembly 5 is released, the end cover 6 is driven to rotate to the required angle of the current assembly by the speed reduction driving assembly 4, and then the angle of rotation of the end cover 6 is positioned by the positioning assembly 5 again, and at this time, the assembly work is continued. In this way, the assembly of all nozzles is completed.

[0035] The turnover tool structure of the present application is simple, convenient to operate, greatly improves the assembly efficiency, and is safe.

[0036] In a preferred embodiment, as shown in Figure 2 and Figure 3 The support 14 includes two groups of triangular supports 11 symmetrically arranged left and right, one corner of the triangular support 11 faces upward and is fixedly connected with the support base 12, the bottoms of the two groups of triangular supports 11 are fixedly connected through the first cross beam 13, the second cross beam 14 is fixedly arranged in the triangular support 11, and the inclined bracing beam 15 is fixedly arranged between the first cross beam 13 and the second cross beam 14.

[0037] In the embodiment, the support 14 adopts a triangular structure and is reinforced by the first cross beam 13, the second cross beam 14 and the inclined bracing beam 15, and has stable structure and high strength, which meets the support demand of the large weight of the end cover 6.

[0038] In a preferred embodiment, as shown in Figure 2 and Figure 3 The fixed assembly 2 includes clamping blocks 21 and support columns 22, and the inner side of the support base 12 is provided with one-to-one corresponding clamping blocks 21, the inner side of the clamping block 21 is arc-shaped, the two ends of the clamping block 21 are respectively provided with through holes 23 corresponding to the screw holes 61 on the outer periphery of the end cover 6, the support column 22 passes through the through hole 23 one by one and is screw-connected with the screw hole 61, and the outer side of the clamping block 21 is fixedly connected with a clamping disc 24.

[0039] In the embodiment, when the end cover 6 is fixed, it is lifted and transported between the two clamping blocks 21, and the end cover 6 is rotated to align the screw holes 61 on the outer side with the through holes 23 on the clamping blocks 21; then each support column 22 is passed through the through hole 23 and screw-connected with the corresponding screw hole 61, and each support column 22 is tightened to lock and fix the end cover 6, which is convenient to install and fixedly stable. Preferably, the outer end of the support column 22 is provided with a wrench clamping part, which facilitates the rotation of the support column 22 by the wrench to complete the installation.

[0040] In a preferred embodiment, as shown in Figure 2 and Figure 3 The rotating connecting assembly 3 comprises a shaft 31 and a bearing 32, the shaft 31 is connected to the outer side of the clamping disc 24, and the shaft 31 is rotatably connected to the same side of the support 12 through the bearing 32, which has good rotating connection effect and ensures the smoothness of the rotation of the end cover 6.

[0041] In a preferred embodiment, as shown in Figure 2 and Figure 3 The speed reduction driving assembly 4 comprises a mounting frame 41, which is fixedly arranged on the outer side of any tripod 11, and a housing 42 is fixedly arranged on the mounting frame 41, and a worm gear and a worm are rotatably arranged in the housing 42, the worm gear is fixedly connected with a driving shaft 43, the driving shaft 43 is fixedly connected with the same side of the shaft 31 through a shaft coupling, and one end of the worm extends out of the housing 42 and is fixedly connected with a driving disc 44.

[0042] In this embodiment, after the end cover 6 is fixedly clamped, the worm is driven to rotate by the driving disc 44, and the end cover 6 is slowly rotated by the driving shaft 43 under the cooperation of the worm gear, which is stable and labor-saving.

[0043] In a preferred embodiment, as shown in Figure 2 and Figure 3 Figure 2 Figure 3 The positioning assembly 5 comprises a protractor disc 51 and a positioning pin 52, the protractor disc 51 is connected to the shaft 31 away from the speed reduction driving assembly 4, a plurality of pin holes 53 are uniformly distributed on the protractor disc 51 in the circumferential direction, and the positioning pin 52 is arranged above the support 12 on the same side of the protractor disc 51, and one end of the positioning pin 52 is inserted into the pin hole 53 in a clearance fit.

[0044] In this embodiment, the protractor disc 51 is provided with an angle scale, the protractor disc 51 is rotated to a certain angle, the positioning pin 52 is inserted into the pin hole 53 corresponding to the angle, and then the end cover 6 is continuously rotated, and when the positioning pin 52 abuts against the top surface of the support 12, the end cover 6 is rotated to the required angle.

[0045] Since the end cover 6 has a large weight, it will only shake in a small range without being driven by the speed reduction driving assembly 4, and will not rotate at a large angle. Moreover, the angle requirement of the end cover 6 for the assembly of the nozzle is not high, so the end cover 6 positioned by the positioning pin 52 can meet the assembly requirements of the nozzle.

[0046] Preferably, the pin hole 53 is arranged every 5°, 10° or 15° on the protractor disc 51 to meet the positioning requirements of the assembly of the nozzle at different positions of the end cover 6.

[0047] In the description of the present specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0048] In the description of the present specification, the description of the terms "one embodiment", "some embodiments" 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 present application. In the present specification, the illustrative description of the above terms 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.

[0049] The above is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An end cap flip tool, characterized in that: It comprises a bracket (1), a fixing assembly (2), a rotating connection assembly (3), a speed reduction drive assembly (4) and a positioning assembly (5); The fixing assembly (2) is arranged on both sides of the bracket (1) and is used to fix the end cover (6); the fixing assembly (2) is fixedly connected to the rotating connection assembly (3), and is rotationally connected to the bracket (1) through the rotating connection assembly (3); The deceleration drive assembly (4) is arranged on one side of the bracket (1) and is in transmission connection with the rotation connection assembly (3) for driving the end cover (6) to rotate; The positioning assembly (5) is arranged on the rotating connection assembly (3) and is used to respectively position the rotating connection assembly (3) when the rotating connection assembly (3) is rotated to various angles required for assembly.

2. The end cap turning tool according to claim 1, characterized in that: The bracket (1) comprises two sets of tripods (11) arranged symmetrically on the left and right, one corner of the tripod (11) faces upward and is fixedly connected to a support (12), the bottoms of the two sets of tripods (11) are fixedly connected via a first crossbeam (13), a second crossbeam (14) is fixedly arranged inside the tripod (11), and a diagonal bracing beam (15) is fixedly arranged between the second crossbeam (14) and the first crossbeam (13).

3. The end cap turning tool according to claim 2, characterized in that: The fixing assembly (2) includes a clamping block (21) and a support column (22). The clamping block (21) is provided on the inner side of the support (12) in a one-to-one correspondence. The inner side of the clamping block (21) is arc-shaped. Through holes (23) are respectively provided at both ends of the clamping block (21) corresponding to the screw holes (61) on the outer periphery of the end cover (6). The support columns (22) pass through the through holes (23) in a one-to-one correspondence and are threadedly connected to the screw holes (61). The outer side of the clamping block (21) is fixedly connected to a clamping plate (24).

4. The end cap turning tool according to claim 3, characterized in that: The rotating connection assembly (3) includes a shaft (31) and a bearing (32). The outer side of the clamping plate (24) is key-connected with the shaft (31). The shaft (31) is rotatably connected to the support (12) on the same side through the bearing (32).

5. The end cap turning tool according to claim 4, characterized in that: The reduction drive assembly (4) includes a mounting frame (41), the mounting frame (41) is fixedly arranged on the outside of any of the tripods (11), a housing (42) is fixedly arranged on the mounting frame (41), a worm wheel and a worm are rotatably arranged in the housing (42), the worm wheel is fixedly connected to a drive shaft (43), the drive shaft (43) is fixedly connected to the shaft (31) on the same side through a coupling, and one end of the worm extends out of the housing (42) and is fixedly connected to a drive turntable (44).

6. The end cap turning tool according to claim 5, characterized in that: The positioning assembly (5) includes a dividing plate (51) and a positioning pin (52). The dividing plate (51) is key-connected to the shaft (31) away from the reduction drive assembly (4). The dividing plate (51) is evenly distributed with a plurality of pin holes (53) along the circumference. The positioning pin (52) is arranged above the support (12) on the same side as the dividing plate (51), and one end of the positioning pin is inserted into the pin hole (53) with a clearance fit.

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