CN219170752U

CN219170752U - Disassembling tool for air brake of pumped storage unit

Info

Publication number: CN219170752U
Application number: CN202223069557.XU
Authority: CN
Inventors: 蒋旭帆; 李承龙; 谢文祥; 韩旭; 任青旭; 朱光宇
Original assignee: Liaoning Pushihe Water Storage Co ltd; State Grid Xinyuan Co Ltd
Current assignee: Liaoning Pushihe Water Storage Co ltd; State Grid Xinyuan Co Ltd
Priority date: 2022-11-19
Filing date: 2022-11-19
Publication date: 2023-06-13
Anticipated expiration: 2032-11-19

Abstract

The utility model discloses a disassembling tool for a pump storage unit air brake, which comprises a plurality of supporting legs, wherein the side walls of the supporting legs are fixedly connected with a lower support together, limiting rings are welded on the side walls of the supporting legs, connecting rods are connected inside the limiting rings in a sliding mode, the upper ends of the connecting rods are fixedly connected with an overhaul platform together, the bottoms of the connecting rods are fixedly connected with a middle support together, the upper ends of the supporting legs are fixedly connected with an upper support together, and threaded mounting grooves are formed in the bottoms of the upper support and the upper ends of the middle support. In this device, through setting up a plurality of bolt structural connection's assembly and disassembly tools, conveniently carry the tool parts back to the inside installation of narrow and small wind tunnel, the dismouting that conveniently breaks in the narrow and small wind tunnel is used, utilizes the guide chain to realize the well support and last support the connection of tip rings, can the lift of overhaul platform of being convenient for, the convenience is installed the maintenance of air brake, and the structure is comparatively simple operation comparatively convenient.

Description

Disassembling tool for air brake of pumped storage unit

Technical Field

The utility model relates to the technical field of water conservancy power, in particular to a disassembling tool for a pump storage unit air brake.

Background

The generator air brake is an important component of the generator, if the air leakage phenomenon occurs in the generator air brake, the air brake is withdrawn or put into failure is caused lightly, and high-speed brake adding of the unit can be caused seriously, so that great potential safety hazards are brought to the safe and stable operation of the unit. Therefore, when the air brake fails, the air brake needs to be overhauled in time. However, because the space in the wind tunnel of the generator of the pumped storage unit is narrow, the distance between the wind gate and the main shaft is only 1.5 m, the distance between the wind gate and the ground is 1.7 m, a plurality of lifting tools cannot be used in the wind tunnel, the wind gate is difficult to disassemble and assemble, the traditional overhaul mode adopts 4 guide chains to mutually cooperate and disassemble the wind gate to the wind tunnel walking platform, three of the guide chains are used for fixing the wind gate in the radial direction, and the last wind gate is additionally arranged above the wind gate after being moved out of the base, so that the wind gate falls onto the wind tunnel walking platform, the same method is adopted for the returning assembly, the whole process is complex in operation, and the danger coefficient is high. Therefore, a special tool for efficiently and safely completing the maintenance task of the air brake with time and labor saving is urgently needed.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a disassembly and assembly tool for a pump storage unit air brake.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a disassembly and assembly tool of pump storage unit air brake, includes a plurality of landing legs, a plurality of the common fixedly connected with lower support of lateral wall of landing leg, every the lateral wall of landing leg has all welded the spacing ring, every the equal sliding connection in inside of spacing ring has the connecting rod, a plurality of the common fixedly connected with maintenance platform of upper end of connecting rod, a plurality of the common fixedly connected with in the bottom of connecting rod supports, a plurality of the common fixedly connected with in the upper end of landing leg supports, threaded mounting groove has all been seted up to the bottom of going up the support and the upper end of well support, two the inside of threaded mounting groove is all rotated and is connected with rings, two rings are connected with the guide chain jointly, every the circumference lateral wall of landing leg all is provided with bearing diagonal device.

Preferably, the connecting rod is fixedly connected with the overhaul platform and the middle support through a bolt structure, and the supporting legs are fixedly connected with the upper support and the lower support through bolt structures.

Preferably, the support leg is a stainless steel tube of DN 50.

Preferably, the lower support, the middle support and the upper support are all welded by a plurality of stainless steel square tubes with the width of 50 mm.

Preferably, the service platform is an aluminum alloy plate 12mm thick.

Preferably, a horizontal plate is fixed at the bottom of each supporting leg, and the bottoms of a plurality of horizontal plates are leveled.

Preferably, the inclined support device comprises external threads arranged outside the supporting legs, the external wall threads of the supporting legs are rotationally connected with sliding blocks, and a plurality of vertical grooves are formed in the circumferential side walls of the sliding blocks.

Preferably, a plurality of the vertical grooves are uniformly distributed in a circular shape.

Preferably, a rotating rod is rotatably connected to the inside of each vertical groove through a torsion spring, and a supporting column is fixed to the circumferential side wall of each rotating rod.

Compared with the prior art, the utility model has the advantages that:

1. in this device, through setting up a plurality of bolt structural connection's assembly and disassembly tools, conveniently carry the tool parts back to the inside installation of narrow and small wind tunnel, the dismouting that conveniently breaks in the narrow and small wind tunnel is used, utilizes the guide chain to realize in addition that support and upper support tip rings's connection, but the lift of convenient maintenance platform, the convenience is installed the maintenance of air brake, and the structure is comparatively simple operation is comparatively convenient.

2. In this device, through setting up slidable sliding block at every landing leg tip, can realize the bearing diagonal of a plurality of support columns to the landing leg at the sliding block in-process that slides downwards, combine the horizontal plate of landing leg bottom, can make the support of landing leg spacing effect better, security when can guaranteeing the air brake maintenance.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a tool for assembling and disassembling a pump storage unit damper according to the present utility model;

FIG. 2 is a side view of a tool for removing a pump storage unit damper according to the present utility model;

FIG. 3 is a schematic view of the structure of the middle support and the upper support in the disassembly and assembly tool of the air brake of the pumped storage unit;

FIG. 4 is a front cross-sectional view of a slider portion of a tool for removing a pump storage unit damper according to the present utility model;

fig. 5 is a top cross-sectional view of a slider portion of a tool for removing a pump storage unit damper according to the present utility model.

In the figure: the device comprises a supporting leg 1, a lower support 2, a limiting ring 3, a connecting rod 4, a maintenance platform 5, a middle support 6, an upper support 7, a threaded mounting groove 8, a lifting ring 9, a guide chain 10, a bolt structure 11, a horizontal plate 12, external threads 13, a sliding block 14, a vertical groove 15, a rotating rod 16 and a supporting column 17.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a disassembling tool for a pump storage unit air brake comprises a plurality of supporting legs 1, wherein the side walls of the supporting legs 1 are fixedly connected with a lower support 2 together, limiting rings 3 are welded on the side walls of each supporting leg 1, connecting rods 4 are slidably connected in the limiting rings 3, overhaul platforms 5 are fixedly connected at the upper ends of the connecting rods 4 together, middle supports 6 are fixedly connected at the bottoms of the connecting rods 4 together, upper supports 7 are fixedly connected at the upper ends of the supporting legs 1 together, threaded mounting grooves 8 are formed in the bottoms of the upper supports 7 and the upper ends of the middle supports 6, hanging rings 9 are rotatably connected in the two threaded mounting grooves 8, guide chains 10 are connected in the two hanging rings 9 together, and inclined support devices are arranged on the circumferential side walls of each supporting leg 1; the connecting rod 4 is fixedly connected with the overhaul platform 5 and the middle support 6 through a bolt structure 11, and the supporting leg 1 is fixedly connected with the upper support 7 and the lower support 2 through the bolt structure 11; the landing leg 1 is DN 50's stainless steel pipe, lower support 2, well support 6 and go up support 7 by the welding of a plurality of wide 50 mm's stainless steel side pipe, overhaul platform 5 is 12mm thick aluminium alloy plate, can realize the installation of air brake assembly and disassembly tools through utilizing a plurality of bolt structures 11, conveniently carry the tool to the wind tunnel inside in narrow and small space and install, thereby the dismouting of air brake is used in the narrow and small wind tunnel of being convenient for, the installation and disassembly process is comparatively convenient moreover, moreover easy operation, only need alone can control the lift of instrument, operating is simplified, work efficiency is improved, wearing parts are general in the device simultaneously, be convenient for maintain and change.

The bottom of each supporting leg 1 is fixedly provided with a horizontal plate 12, and the bottoms of the plurality of horizontal plates 12 are leveled; the inclined support device comprises external threads 13 arranged outside the support leg 1, the external threads of the support leg 1 are rotationally connected with sliding blocks 14, a plurality of vertical grooves 15 are formed in the circumferential side wall of each sliding block 14, and the plurality of vertical grooves 15 are uniformly distributed in a circular shape; the inside of every vertical groove 15 all is connected with dwang 16 through the torsional spring rotation, and the circumference lateral wall of every dwang 16 all is fixed with support column 17, utilizes the tilting support column 17 of sliding block 14 tip, can realize the slant support to landing leg 1 when sliding block 14 moves down, combines the horizontal plate 12 of landing leg 1 bottom, can make the support spacing effect of landing leg 1 better to the security when can guaranteeing the air brake maintenance.

In the utility model, in the process of overhauling the split brake of the generator, firstly, parts are required to be carried into a wind tunnel with a relatively small space in sequence, then, the lower support 2, the end part of the supporting leg 1, the upper support 7, the upper end of the supporting leg 1, the overhauling platform 5, the upper end of the connecting rod 4, the middle support 6 and the lower end of the connecting rod 4 are sequentially aligned, the quick installation of the split brake dismounting tool is realized by utilizing a plurality of bolt structures 11, the connection of the hanging rings 9 above the middle support 6 and below the upper support 7 is realized by utilizing a guide chain 10, so that the complete installation of the split brake dismounting tool can be realized, and the use in a narrow environment can be facilitated by arranging the conveniently-dismounted wind brake dismounting tool;

then the dismounting tool is moved to the lower part of the air brake, meanwhile, the sliding block 14 gradually slides downwards by rotating the sliding block 14 along the external threads 13 on the outer part of the supporting leg 1, meanwhile, the supporting column 17 gradually tilts by rotating the rotating rod 16, torsion of the torsion spring can be realized, when the sliding block 14 continuously moves downwards, the bottom of the supporting column 17 can be propped against the ground, so that the supporting column 17 in multiple directions can be tightly propped against the ground by utilizing the torsion spring in the torsion state, the stable placement of the supporting legs 1 can be realized by combining the horizontal plates 12 on the bottom of the supporting legs 1, and further, the stability of the air brake dismounting tool in the use process can be ensured, and the safety is higher;

after the dismounting tool is stably placed at the bottom of the air brake, the guide chain 10 is controlled, the distance between the two hanging rings 9 is gradually close to each other, at this time, the upward movement of the middle support 6 can be realized, under the limiting effect of the limiting rings 3 on the connecting rods 4, the vertical stable upward movement of the overhaul platform 5 can be realized, after the overhaul platform 5 is propped against the bottom of the air brake, the connection of the air brake can be released, the air brake can be conveniently moved along with the overhaul platform 5, at this time, the air brake can be realized along with the downward movement of the overhaul platform 5 again at the guide chain 10, the overhaul work of the air brake can be further carried out at the position meeting the overhaul, after the overhaul work is completed, the overhaul platform 5 is driven to be lifted to the position with the air brake base level, the installation of the air brake is realized, the safety of the whole process is higher, and only one person can control the lifting of the tool, the operation steps are simplified, and the work efficiency is improved.

In the present utility model, the terms "coupled," "fixed" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description and simplicity of description, and does not indicate or imply that the apparatus or unit referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a disassembly and assembly tool of pumped storage unit air brake, includes a plurality of landing legs (1), its characterized in that, a plurality of the lateral wall of landing leg (1) is fixedly connected with under bracing (2) jointly, every the lateral wall of landing leg (1) is all welded with spacing ring (3), every the inside of spacing ring (3) is equal sliding connection with connecting rod (4), a plurality of the common fixedly connected with maintenance platform (5) of upper end of connecting rod (4), a plurality of the bottom of connecting rod (4) is fixedly connected with well support (6), a plurality of the upper end of landing leg (1) is fixedly connected with upper prop (7) jointly, threaded mounting groove (8) have all been seted up to the upper end of the bottom of upper prop (7) and well support (6), two the inside of threaded mounting groove (8) is all rotated and is connected with rings (9), two rings (9) are connected with guide chain (10) jointly, every circumference lateral wall of landing leg (1) all is provided with inclined support device.

2. The disassembling tool for the air brake of the pumped storage unit according to claim 1, wherein the connecting rod (4) is fixedly connected with the overhauling platform (5) and the middle support (6) through a bolt structure (11), and the supporting leg (1) is fixedly connected with the upper support (7) and the lower support (2) through the bolt structure (11).

3. The tool for dismounting a pump storage unit damper according to claim 1, wherein the support leg (1) is a stainless steel tube with a DN 50.

4. The disassembly and assembly tool for the air brake of the pumped storage unit according to claim 1, wherein the lower support (2), the middle support (6) and the upper support (7) are welded by a plurality of stainless steel square pipes with the width of 50 mm.

5. The tool for dismounting and mounting a pump storage unit damper according to claim 1, wherein the overhaul platform (5) is an aluminum alloy plate with the thickness of 12 mm.

6. The disassembly and assembly tool for the air brake of the pumped storage unit according to claim 1, wherein a horizontal plate (12) is fixed at the bottom of each supporting leg (1), and the bottoms of a plurality of the horizontal plates (12) are leveled.

7. The disassembly and assembly tool for the air brake of the pumped storage unit according to claim 1, wherein the inclined support device comprises external threads (13) arranged outside the supporting legs (1), the external threads of the supporting legs (1) are rotationally connected with sliding blocks (14), and a plurality of vertical grooves (15) are formed in the circumferential side walls of the sliding blocks (14).

8. The tool for removing and installing a pump storage unit damper according to claim 7, wherein the plurality of vertical grooves (15) are uniformly distributed in a circular shape.

9. The disassembly and assembly tool for the air brake of the pumped storage unit according to claim 7, wherein a rotating rod (16) is rotatably connected to the inside of each vertical groove (15) through a torsion spring, and a supporting column (17) is fixed to the circumferential side wall of each rotating rod (16).