Auxiliary dismounting and mounting tool for gas turbine support

Abstract

The utility model discloses a gas turbine support auxiliary disassembling and assembling tool which comprises a main support disassembling and assembling assembly and an auxiliary support disassembling and assembling assembly. The main supporting dismounting assembly comprises a first lifting driving piece with the movable end capable of vertically ascending and descending and an inserting piece which is in inserting fit with the movable end of the first lifting driving piece in the vertical direction and used for being in inserting fit with the side portion of the gas turbine in the horizontal direction. The auxiliary support dismounting and mounting assembly comprises a mounting base plate which is arranged on a gas turbine base; the second lifting driving part is arranged on the mounting base plate, the movable end of the second lifting driving part can vertically ascend and descend, the jacking frame is arranged at the movable end of the second lifting driving part, the jacking end of the jacking frame is arranged in an arc shape, and the jacking end of the jacking frame is in face-to-face fit jacking with the lower end of the gas turbine in the vertical upward direction. Compared with the prior art, replacement of the main support and the auxiliary support can be completed in sequence through cooperation of the main support dismounting and mounting assembly, the auxiliary support dismounting and mounting assembly and two operators, the manpower and material resource cost is low, the dismounting and mounting process is simple and convenient, the replacement efficiency is high, and the device is suitable for wide application and popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas turbine dismounting technical field, in particular to a kind of gas turbine support auxiliary dismounting tool. BACKGROUND

[0002] Before a certain type of gas turbine is shipped after being assembled in factory, the main support and auxiliary support during formal operation of the gas turbine need to be replaced by special main support and auxiliary support for transportation, and after being installed at project site, the special main support and auxiliary support for transportation are replaced by the main support and auxiliary support during formal operation of the gas turbine, so as to ensure that the main support and auxiliary support during formal operation of the gas turbine will not be affected by impact force caused by bumping and turning of transportation vehicle during transportation, and deformation and distortion will not occur, so as to effectively ensure the service life of the main support and auxiliary support during formal operation of the gas turbine.

[0003] At present, the replacement scheme of the main support and auxiliary support of the gas turbine is as follows: the top cover plate of the unit box body is opened, the gas turbine is slowly lifted from the top of the box body by crane (in factory), automobile crane (at project site), special clamp hanger for gas turbine and manual hoist, and the main support and auxiliary support are replaced one by one after slight adjustment by manual hoist. However, the above scheme needs to be completed by cooperation of multiple persons and multiple devices, and the cost of manpower and material resources is large, and multiple steps such as opening and closing the top cover plate of the unit box body, installing lifting hanger, controlling crane or automobile crane to go in and out, etc. are involved, so the replacement efficiency is low. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a kind of gas turbine support auxiliary dismounting tool to solve the technical problems of low replacement efficiency and large cost of manpower and material resources of the main support and auxiliary support of existing gas turbine.

[0005] According to one aspect of the utility model, a kind of gas turbine support auxiliary dismounting tool is provided, including main support dismounting component and auxiliary support dismounting component, main support dismounting component includes movable end vertically liftable lifting drive piece one and the plug-in piece for being along vertical direction with the plug-in cooperation of movable end of lifting drive piece one, is used for being along horizontal direction with the side of gas turbine plug-in cooperation, auxiliary support dismounting component includes installation backing plate for being arranged on gas turbine base, movable end vertically liftable lifting drive piece two arranged on installation backing plate and the top lifting frame for top lifting end being along vertical direction upward and the lower end of gas turbine face face fit top lifting and being arranged on movable end of lifting drive piece two and top lifting end is arc-shaped arrangement.

[0006] As a further improvement of the above technical solution:

[0007] Further, the plug-in piece includes shaft body for being along horizontal direction with the side of gas turbine plug-in cooperation at both ends of axis and the plug-in slot for being along vertical direction with the plug-in cooperation of movable end of lifting drive piece one and being centrally arranged on circumferential side wall of shaft body.

[0008] Further, the axial end of the shaft body is outwardly convexly provided with a limiting protrusion.

[0009] Further, the jacking frame comprises a bottom plate arranged on the movable end of the second lifting driving member, two side plates respectively connected with opposite ends of the bottom plate, and jacking portions respectively connected with upper ends of the two side plates and arranged in an arc shape for vertically upwardly abuttingly jacking the lower end of the gas turbine.

[0010] Further, the jacking portion comprises jacking plates respectively connected with upper ends of the two side plates and arranged in an arc shape, and rubber plates pasted on upper end faces of the jacking plates for vertically upwardly abuttingly jacking the lower end of the gas turbine.

[0011] Further, the jacking frame further comprises reinforcing plates respectively connected with middle portions of the two side plates.

[0012] Further, the jacking frame further comprises reinforcing ribs arranged on the bottom plate and respectively connected with lower ends of the two side plates.

[0013] Further, the lower end of the bottom plate is outwardly convexly provided with an annular protrusion, and the annular protrusion is enclosed to form a positioning groove in plug-in cooperation with the movable end of the second lifting driving member.

[0014] Further, the first lifting driving member is a hydraulic jack.

[0015] Further, the second lifting driving member is a hydraulic jack.

[0016] The utility model has the following beneficial effects:

[0017] The utility model discloses a gas turbine supporting auxiliary dismounting tool, through the main support dismounting subassembly and the auxiliary support dismounting subassembly are to the main support and the auxiliary support of gas turbine auxiliary dismounting respectively, in the dismounting process, through the plug -in spare horizontal direction with the lateral plug -in cooperation of gas turbine, again through the lift drive piece one vertical with the plug -in cooperation of plug -in spare, to when the movable end of lift drive piece one is stretched upward, drive plug -in spare and lift gas turbine upward, realize the lift fine adjustment of gas turbine to the support of gas turbine is replaced by this main support, at this moment, can replace main support, after waiting for main support to replace all to complete, through setting up the mounting backing pad on the gas turbine base, to reliable installation lift drive piece two on the mounting backing pad, again install the jacking frame on the movable end of lift drive piece two, to when the movable end of lift drive piece two is stretched upward, drive the jacking end of jacking frame and lift gas turbine upward along the vertical, and through the surface -to -surface adhesion jacking, to guarantee enough jacking area, prevent local compression too big and damage, realize the lift fine adjustment of gas turbine to the support of gas turbine is replaced by this auxiliary support, at this moment, can replace auxiliary support, until auxiliary support to replace all to complete, relative to prior art, through the main support dismounting subassembly, auxiliary support dismounting subassembly and two operating personnel cooperation can complete the replacement of main, auxiliary support in turn, manpower, material resources cost is small, and the dismounting process is simple and convenient, and the replacement efficiency is high, and the practicality is strong, is suitable for extensive promotion and application.

[0018] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. Below, referring to the drawings, the utility model will be further explained in detail. ACCURATE DRAWINGS

[0019] The drawings that form a part of this application are intended to provide further understanding of the utility model, and the schematic embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation on the utility model. In the drawings:

[0020] Figure 1 It is the use state schematic drawing of main support dismounting subassembly in the gas turbine supporting auxiliary dismounting tool of the preferred embodiment of the utility model;

[0021] Figure 2 It is the cross section schematic drawing of plug -in spare in the gas turbine supporting auxiliary dismounting tool of the preferred embodiment of the utility model;

[0022] Figure 3 It is the use state schematic drawing of auxiliary support dismounting subassembly in the gas turbine supporting auxiliary dismounting tool of the preferred embodiment of the utility model;

[0023] Figure 4 It is the structure schematic drawing of jacking frame in the gas turbine supporting auxiliary dismounting tool of the preferred embodiment of the utility model;

[0024] Figure 5 is the cross section view of the jacking frame in the gas turbine supporting auxiliary dismounting tool of the preferred embodiment of the utility model.

[0025] Legend:

[0026] 100, main supporting dismounting assembly; 110, lifting driving part one; 120, plug-in part; 121, shaft main body; 122, plug-in groove; 123, limiting protrusion; 200, auxiliary supporting dismounting assembly; 210, mounting pad plate; 220, lifting driving part two; 230, jacking frame; 231, bottom plate; 232, side plate; 233, jacking plate; 234, rubber plate; 235, reinforcing plate; 236, reinforcing rib. Specific embodiments

[0027] The embodiments of the utility model are explained in detail in combination with the drawings below, but the utility model can be implemented in multiple different ways limited and covered by the following.

[0028] As Figure 1 and Figure 3 The gas turbine supporting auxiliary dismounting tool of the embodiment includes main supporting dismounting assembly 100 and auxiliary supporting dismounting assembly 200, main supporting dismounting assembly 100 includes lifting driving part one 110 that can vertically lift the movable end and plug-in part 120 that is used for plug-in cooperation with the side of the gas turbine along the horizontal direction and is plug-in cooperation with the movable end of lifting driving part one 110 along the vertical direction, auxiliary supporting dismounting assembly 200 includes mounting pad plate 210 that is used for being arranged on the gas turbine base, lifting driving part two 220 that is arranged on mounting pad plate 210 and can vertically lift the movable end and jacking frame 230 that is arranged on the movable end of lifting driving part two 220 and is used for the top end along the vertical direction upward and the lower end of the gas turbine face-to-face top lifting and the top end is arranged in arc.

[0029] As Figure 1 and Figure 3As shown, specifically, the gas turbine supporting auxiliary dismounting tool of the utility model, through main support dismounting assembly 100 and auxiliary support dismounting assembly 200 respectively to the main support and auxiliary support of gas turbine are assisted dismounting, in the process of dismounting, through the plug-in piece 120 along the horizontal direction with the side of gas turbine plug-in cooperation, again through the lifting drive piece one 110 along the vertical direction with the plug-in piece 120 plug-in cooperation, to when the movable end of lifting drive piece one 110 is stretched upwards, drive the plug-in piece 120 to lift the gas turbine upwards, realize the lifting fine adjustment of gas turbine, so as to replace the main support to support the gas turbine, at this moment, the main support can be replaced, after the main support is completely replaced;Through the installation of the installation pad plate 210 on the gas turbine base, the lifting drive piece two 220 can be reliably installed on the installation pad plate 210, and then the jacking frame 230 is installed on the movable end of the lifting drive piece two 220, so that when the movable end of the lifting drive piece two 220 is stretched upwards, the jacking end of the jacking frame 230 is driven to lift the gas turbine upwards along the vertical direction, and the surface-to-surface jacking is used to ensure sufficient jacking area and prevent local excessive pressure from damaging, realize the lifting fine adjustment of gas turbine, so as to replace the auxiliary support to support the gas turbine, at this moment, the auxiliary support can be replaced, until the auxiliary support is completely replaced;The scheme is relative to the prior art, and the main support dismounting assembly 100, the auxiliary support dismounting assembly 200 and the two operators can be used to replace the main support and the auxiliary support in turn, which is low in manpower and material resources cost, simple and convenient in dismounting process, high in replacement efficiency, strong in practicality and suitable for wide promotion and application.

[0030] It should be understood that the gas turbine has a plurality of main supports and a plurality of auxiliary supports, which need to be replaced one by one.

[0031] As Figure 2 shown, in the embodiment, the plug-in piece 120 includes an axial two-end shaft body 121 for plug-in cooperation with the side of the gas turbine along the horizontal direction, and a plug-in groove 122 centrally formed on the circumferential side wall of the shaft body 121 and plug-in cooperation with the movable end of the lifting drive piece one 110 along the vertical direction.

[0032] As Figure 1 and Figure 2 shown, specifically, the original two mounting holes on the side of the gas turbine are horizontally formed, and the shaft body 121 of the plug-in piece 120 is sequentially inserted into the two mounting holes along the horizontal direction to plug-in cooperate with the side of the gas turbine, then the plug-in groove 122 is milled on the circumferential side wall of the shaft body 121 and disposed downward to plug-in cooperate with the movable end of the lifting drive piece one 110, and then when the lifting drive piece one 110 works to drive the shaft body 121 to move vertically, the lifting fine adjustment of the gas turbine can be realized, so that the main support is dismounted.

[0033] It should be understood that the main support is connected with the gas turbine through fastening bolts and nuts, and after the main support dismounting assembly 100 replaces the main support to support the gas turbine, the fastening bolts are loosened and the nuts are removed to replace the main support.

[0034] As shown in Figure 2 the embodiment, the axial end of the shaft body 121 is outwardly protruded with a limiting protrusion 123. Specifically, when the shaft body 121 is insertedly fitted with the side of the gas turbine, the limiting protrusion 123 abuts against the side of the gas turbine to prevent the shaft body 121 from being inserted out of position.

[0035] As shown in Figure 4 and Figure 5 the embodiment, the jacking frame 230 includes a bottom plate 231 arranged on the movable end of the lifting driving member two 220, two side plates 232 respectively connected with the opposite ends of the bottom plate 231, and jacking portions respectively connected with the upper ends of the two side plates 232 and arranged in an arc shape to vertically upwardly abut against and jack up the lower end of the gas turbine.

[0036] As shown in Figures 3-5 Specifically, by arranging the bottom plate 231 on the movable end of the lifting driving member two 220, and then vertically upwardly abutting against and jacking up the lower end of the gas turbine through the arc-shaped jacking portions, and then connecting the vertical ends of the two side plates 232 with the bottom plate 231 and the jacking portions respectively, the bottom plate 231, the two side plates 232 and the jacking portions are sequentially vertically moved when the lifting driving member two 220 works, and the lifting and fine adjustment of the gas turbine are realized, so that the auxiliary support can be dismounted.

[0037] It should be understood that the auxiliary support is connected with the gas turbine through fastening bolts and nuts, and after the auxiliary support dismounting assembly 200 replaces the auxiliary support to support the gas turbine, the fastening bolts are loosened and the nuts are removed to replace the auxiliary support.

[0038] As shown in Figure 4 and Figure 5 the embodiment, the jacking portion includes a jacking plate 233 respectively connected with the upper ends of the two side plates 232 and arranged in an arc shape, and a rubber plate 234 pasted on the upper end face of the jacking plate 233 and used to vertically upwardly abut against and jack up the lower end of the gas turbine. Specifically, when the lifting driving member two 220 works, the jacking plate 233 is vertically upwardly moved, so that the rubber plate 234 is vertically upwardly abutted against and jacked up with the lower end of the gas turbine to eliminate the contact gap through the rubber plate 234 and prevent the jacking plate 233 from being damaged by mutual scratching with the gas turbine.

[0039] It should be understood that, in order to ensure the structural strength of the jacking frame 230, the jacking plate 233, the side plate 232 and the bottom plate 231 are all steel plates, and if the jacking plate 233 is directly in contact with the gas turbine, it is easy to cause scratching damage.

[0040] As shown in Figure 4 and Figure 5 , in the embodiment, the jacking frame 230 further includes a reinforcing plate 235 connected to the middle part of each of the two side plates 232. Specifically, the structural strength of the jacking frame 230 as a whole is improved by the reinforcing plate 235, so as to avoid the jacking frame 230 from being damaged by being pressed and bent when jacking up the gas turbine.

[0041] As shown in Figure 4 and Figure 5 , in the embodiment, the jacking frame 230 further includes a reinforcing rib 236 arranged centrally on the bottom plate 231 and connected to the lower end of each of the two side plates 232. Specifically, the structural strength of the jacking frame 230 as a whole is improved by the reinforcing rib 236, so as to avoid the jacking frame 230 from being damaged by being pressed and bent when jacking up the gas turbine.

[0042] Optionally, the lower end of the bottom plate 231 is provided with an annular protrusion, which forms a positioning groove for plug-in cooperation with the movable end of the lifting driving member two 220. Specifically, the plug-in groove 122 formed by the annular protrusion is plug-in cooperated with the movable end of the lifting driving member two 220, and the annular protrusion is used for limiting positioning to prevent deviation during lifting.

[0043] As shown in Figure 1 , in the embodiment, the lifting driving member one 110 is a hydraulic jack. Specifically, the hydraulic jack is used as the lifting driving member one 110 to ensure the jacking capacity, safety and stability of the lifting driving member one 110, so that the replacement operation of the main support is convenient, and the jacking of the heavy equipment such as the gas turbine is suitable.

[0044] As shown in Figure 3 , in the embodiment, the lifting driving member two 220 is a hydraulic jack. Specifically, the hydraulic jack is used as the lifting driving member two 220 to ensure the jacking capacity, safety and stability of the lifting driving member two 220, so that the replacement operation of the auxiliary support is convenient, and the jacking of the heavy equipment such as the gas turbine is suitable.

[0045] As shown in Figures 1-5 , the working process of the gas turbine support auxiliary dismounting tool of the embodiment is as follows:

[0046] The gas turbine unit is assembled in a complete set in the factory, at this time, the main support (one on each side) and the auxiliary support (one on each side) for formal operation are used for assembly and mounting, the nuts on the main support and the auxiliary support are loosened, the shaft body 121 is inserted into the mounting hole of the side of the gas turbine in the horizontal direction, the limiting protrusion 123 abuts against the side of the gas turbine, the insertion slot 122 is inserted and matched with the movable end of the lifting driving part one 110, then the lifting driving part one 110 is slowly jacked up to slowly jack up the gas turbine to replace the main support, after the replacement is completed, the nuts are not tightened, the above steps are repeated to replace the main support on the other side; then the mounting pad plate 210, the lifting driving part two 220 and the jacking frame 230 are arranged to slowly jack up the gas turbine by the lifting driving part two 220 to slowly jack up the gas turbine to replace the auxiliary support, after the replacement is completed, the nuts are not tightened, the above steps are repeated to replace the auxiliary support on the other side, and then all the nuts are tightened in turn.

[0047] It should be understood that the gas turbine support auxiliary dismounting tooling of the embodiment is verified in the complete set installation of two project 4 sets of gas turbine units in the factory and the installation on the project site, two operators can replace quickly and easily, the replacement efficiency is high, the replacement time is short, and the production efficiency is indirectly improved.

[0048] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. 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. A gas turbine supporting and assisting dismounting tool, characterized in that, The main support dismounting assembly (100) comprises a lifting driving part one (110) with a movable end vertically liftable and a plug-in part (120) for plugging with the side of the gas turbine in the horizontal direction, the plug-in part (120) is plugged with the movable end of the lifting driving part one (110) in the vertical direction.

2. The gas turbine supporting and assisting dismounting tool according to claim 1, characterized in that, The plug-in part (120) comprises a shaft body (121) for plugging with the side of the gas turbine in the horizontal direction at the axial two ends and a plug-in groove (122) centrally formed on the circumferential side wall of the shaft body (121) and plugged with the movable end of the lifting driving part one (110) in the vertical direction.

3. The gas turbine supporting and assisting dismounting tool according to claim 2, characterized in that, The axial end of the shaft body (121) is outwardly convexly provided with a limiting protrusion (123) in the radial direction.

4. The gas turbine supporting and assisting dismounting tool according to any one of claims 1 to 3, characterized in that, The jacking frame (230) comprises a bottom plate (231) arranged on the movable end of the lifting driving part two (220), two side plates (232) respectively connected with the opposite ends of the bottom plate (231), and jacking parts respectively connected with the upper ends of the two side plates (232) and arranged in an arc shape for jacking upwardly with the lower end surface of the gas turbine in the vertical direction.

5. The gas turbine supporting and assisting dismounting tool according to claim 4, characterized in that, The jacking part comprises a jacking plate (233) connected with the upper end of the two side plates (232) and arranged in an arc shape, and a rubber plate (234) pasted on the upper end surface of the jacking plate (233) for jacking upwardly with the lower end surface of the gas turbine in the vertical direction.

6. The gas turbine shroud assist disassembly tool of claim 4, wherein, The jacking frame (230) further comprises a reinforcing plate (235) connected with the middle part of the two side plates (232).

7. The gas turbine bucket support assist disassembly tool of claim 4, wherein, The jacking frame (230) further comprises a reinforcing rib (236) centrally arranged on the bottom plate (231) and connected with the lower end of the two side plates (232).

8. The gas turbine shroud support aid dismounting tool according to claim 4, characterized in that, The lower end of the bottom plate (231) is convexly provided with an annular protrusion, which forms a positioning groove plugged with the movable end of the lifting driving part two (220).

9. The gas turbine supporting and assisting dismounting tool according to any one of claims 1 to 3, characterized in that, The lifting driving part one (110) is a hydraulic jack.

10. The gas turbine shroud assist disassembly tool of any one of claims 1-3, wherein, The lifting driving part two (220) is a hydraulic jack.

Images