CN220613672U - Positioning bracket for maintenance of steam turbine - Google Patents

Abstract

The utility model discloses a positioning bracket for maintaining a steam turbine, which comprises a base, wherein four groups of air cylinders are fixedly connected to four corners of the upper end of the base, hydraulic rods are connected to the output ends of the air cylinders, the upper ends of the hydraulic rods are fixedly connected with a supporting plate together, the left side of the upper end of the supporting plate is fixedly connected with a positioning assembly, the right side of the supporting plate is slidably connected with another group of positioning assembly, the lower end of the supporting plate is fixedly connected with an L-shaped plate, and a driving assembly is arranged on the L-shaped plate to drive the positioning assembly on the right side to move. The positioning components are arranged to facilitate the fixation of parts of the steam turbine, the maintenance is more stable and convenient, and the sliding positioning components are arranged to facilitate the adjustment of the distance between the two positioning components when the rotor parts with different lengths are maintained, so that the adjustment of adaptation is facilitated, and more types of parts are adapted to the maintenance.

Description

Positioning bracket for maintenance of steam turbine

Technical Field

The utility model relates to the technical field related to steam turbine maintenance, in particular to a positioning bracket for steam turbine maintenance.

Background

A steam turbine is a type of turbomachinery, which means a rotary fluid-dynamic machine for interconverting gaseous thermal energy with mechanical work. The steam turbine is a thermal turbine which takes steam as working medium and converts the heat energy of the steam into mechanical work.

The turbine rotor is a revolving body, and is easy to rotate during maintenance, so that a positioning tool is needed to limit the degree of freedom; however, because the size of the steam turbine rotor is large, if the positioning tool needs manual operation, the efficiency is low, and the labor intensity is increased; in the prior art, the parts that need to contain when steam turbine production are handled, and support positioner can not height-adjusting, can not adapt to multi-position operation, and the work limitation is great, and can not all carry out location frock to the rotor of different length models, can increase the cost, proposes a steam turbine maintenance and solves this kind of problem with locating support now.

Disclosure of Invention

The utility model aims to provide a positioning bracket for maintaining a steam turbine, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a locating support is used in steam turbine maintenance, includes the base, four groups of cylinders of base upper end four corners department fixedly connected with, the cylinder output all is connected with the hydraulic stem, the common fixedly connected with backup pad of hydraulic stem upper end, backup pad upper end left side fixedly connected with locating component, another group of locating component of backup pad right sliding connection, backup pad lower extreme fixedly connected with L shaped plate, be equipped with the locating component on drive assembly drive right side on the L shaped plate and remove.

As the further preferred of this technical scheme, locating component includes anchor clamps, lower anchor clamps, connecting block, screw and anti-skidding cushion, left side go up anchor clamps fixed mounting in the backup pad upper end, go up the equal fixedly connected with symmetry's of anchor clamps and lower anchor clamps junction connecting block, the looks the connecting block is all fixed through the screw of looks adaptation, go up and all be fixed to be equipped with anti-skidding cushion on the semicircle inner wall of anchor clamps and lower anchor clamps.

As a further preferable mode of the technical scheme, the driving assembly comprises a motor, a threaded rod and a fixing plate, wherein the motor is fixedly arranged on the L-shaped plate, the output end of the motor is connected with the threaded rod, the other end of the threaded rod is rotationally connected with a bearing, the bearing is fixedly connected with one end of the fixing plate, and the fixing plate is fixedly arranged at the lower end of the supporting plate.

As a further preferable mode of the technical scheme, the lower end of the positioning component on the right side is fixedly connected with a sliding block, a threaded hole is formed in the sliding block, and the threaded rod penetrates through the threaded hole and is in threaded connection with the threaded hole.

As a further preferable mode of the technical scheme, a sliding groove is formed in the upper end of the supporting plate, and the sliding block is slidably connected in the sliding groove.

The utility model provides a positioning bracket for maintaining a steam turbine, which has the following beneficial effects:

(1) The positioning components are arranged to facilitate the fixation of parts of the steam turbine, the maintenance is more stable and convenient, and the sliding positioning components are arranged to facilitate the adjustment of the distance between the two positioning components when the rotor parts with different lengths are maintained, so that the adjustment of adaptation is facilitated, and more types of parts are adapted to the maintenance.

(2) According to the utility model, the supporting plate is pushed to move by the starting cylinder, so that the supporting plate can move upwards, the height adjustment is realized to adapt to maintenance of different positions and angles, and the flexibility and practicability of the device in use are improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a side view of the overall structure of the present utility model;

FIG. 3 is a front elevational view of the overall structure of the present utility model;

fig. 4 is a schematic structural diagram of a positioning assembly according to the present utility model.

In the figure: 1. a base; 2. a cylinder; 3. a hydraulic rod; 4. a support plate; 5. a positioning assembly; 6. a drive assembly; 7. a slide block; 41. an L-shaped plate; 42. a chute; 51. a clamp is arranged; 52. a lower clamp; 53. a connecting block; 54. a screw; 55. an anti-slip rubber pad; 61. a motor; 62. a threaded rod; 63. a fixing plate; 71. and (3) a threaded hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

The utility model provides the technical scheme that: the utility model provides a steam turbine is locating support for maintenance, as shown in fig. 1 and 2, is a overall structure schematic diagram of locating support for steam turbine maintenance, including base 1, four sets of cylinders 2 of fixedly connected with in base 1 upper end four corners department, cylinder 2 output all is connected with hydraulic rod 3, hydraulic rod 3 upper end fixedly connected with backup pad 4 jointly, through setting up cylinder 2 and driving hydraulic rod 3 operation for backup pad 4 can realize the regulation of upper and lower height, makes the use and carries out the operation of adaptation multiposition when maintaining the steam turbine rotor, and the multiangle is more convenient to maintain, improves the practicality of device; the left side fixedly connected with locating component 5 of backup pad 4 upper end, another group of locating component 5 of backup pad 4 right sliding connection has, sets up locating component 5 and is convenient for fix the part of steam turbine, and is more stable convenient when the maintenance, sets up the distance between two locating component 5 can be adjusted to the rotor part of you different length when maintaining to a set of gliding locating component 5, conveniently carries out the more types of parts of regulation adaptation maintenance of adaptation, backup pad 4 lower extreme fixedly connected with L shaped plate 41, be equipped with locating component 5 on the drive assembly 6 drive right side on the L shaped plate 41 and remove.

In this embodiment, specific: as shown in fig. 4, the positioning assembly 5 is a specific structural schematic diagram of the positioning assembly 5, the positioning assembly 5 includes an upper fixture 51, a lower fixture 52, a connecting block 53, a screw 54 and an anti-slip rubber pad 55, the upper fixture 51 on the left is fixedly mounted at the upper end of the supporting plate 4, symmetrical connecting blocks 53 are fixedly connected at the joints of the upper fixture 51 and the lower fixture 52, the corresponding connecting blocks 53 are all fixed by the matched screws 54, the anti-slip rubber pad 55 is fixedly arranged on the semicircular inner walls of the upper fixture 51 and the lower fixture 52, the rotor part to be maintained is placed on the circular arcs of the two lower fixtures 52, the upper fixture 51 is fixedly connected at the upper end of the lower fixture 52 through the screws 54, so that the effect of fixing and positioning the rotor part is realized, the anti-slip rubber pad 55 is arranged on the circular arc inner wall of the fixture, so that the friction force between the rotor part and the fixture is increased, the rotor part is fixed more firmly and is not easy to rotate, the rubber pad is made of a rubber material with a certain elasticity, and the rotor part is not damaged at the same time.

In this embodiment, specific: as shown in fig. 3, the driving assembly 6 is a specific structural schematic diagram of the driving assembly 6, the driving assembly 6 includes a motor 61, a threaded rod 62 and a fixing plate 63, the motor 61 is fixedly mounted on the L-shaped plate 41, an output end of the motor 61 is connected with the threaded rod 62, another end of the threaded rod 62 is rotatably connected with a bearing, the bearing is fixedly connected with one end of the fixing plate 63, and the fixing plate 63 is fixedly mounted at a lower end of the supporting plate 4.

In this embodiment, specific: as shown in fig. 4, the lower end of the positioning component 5 on the right side is fixedly connected with a sliding block 7, a threaded hole 71 is formed in the sliding block 7, the threaded rod 62 penetrates through the threaded hole 71 and is in threaded connection with the threaded rod 62, the starting motor 61 drives the threaded rod 62 at the output end to rotate, and the sliding block 7 is driven to move left and right due to the fact that the sliding block 7 is in threaded connection with the outer wall of the threaded rod 62, so that the positioning component 5 fixedly connected with the upper end of the sliding block 7 can perform maintenance of rotor parts with different lengths in a distance adjusting and adapting mode.

In this embodiment, specific: as shown in fig. 1, a chute 42 is formed at the upper end of the support plate 4, and the slider 7 is slidably connected in the chute 42.

In summary, the specific use method of the positioning bracket for maintaining the steam turbine disclosed by the utility model is as follows:

when the positioning bracket for maintaining the steam turbine is used, firstly, the distance between two positioning components 5 is adjusted according to the length of a rotor to be maintained, the threaded rod 62 at the output end is driven to rotate by the starting motor 61, the sliding block 7 is connected to the outer wall of the threaded rod 62 in a threaded manner, and the sliding block 7 is driven to move left and right, so that the positioning components 5 fixedly connected with the upper end of the sliding block 7 can be used for maintaining rotor parts with different lengths in a distance adjusting manner, the rotor parts to be maintained are placed on the circular arcs of the two lower clamps 52 after the adjustment is completed, the upper clamps 51 are fixedly connected to the upper ends of the lower clamps 52 through the screws 54, the effect of fixing and positioning the rotor parts is achieved, the friction force between the rotor parts and the clamps can be increased by the anti-skid rubber pads 55 arranged on the circular arc inner walls of the clamps, the fixing is firmer and not easy to rotate, the rubber pads are made of a certain elasticity, the rotor parts can be fixed, any damage to the outer surfaces of the rotor parts is avoided, and after the parts are fixed, the support plates 4 can be driven by the air cylinders 2 to realize the adjustment of the heights to adapt to the maintenance of different positions and angles, and the flexibility of the device is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a locating support is used in steam turbine maintenance, includes base (1), its characterized in that: four groups of cylinders (2) are fixedly connected to four corners of the upper end of the base (1), hydraulic rods (3) are connected to the output ends of the cylinders (2), supporting plates (4) are fixedly connected to the upper ends of the hydraulic rods (3) together, locating components (5) are fixedly connected to the left sides of the upper ends of the supporting plates (4), another group of locating components (5) are slidingly connected to the right sides of the supporting plates (4), L-shaped plates (41) are fixedly connected to the lower ends of the supporting plates (4), and locating components (5) on the right sides are driven by driving components (6) to move through the L-shaped plates (41).

2. The positioning bracket for steam turbine maintenance according to claim 1, wherein: the positioning assembly (5) comprises an upper clamp (51), a lower clamp (52), a connecting block (53), screws (54) and an anti-slip rubber mat (55), wherein the left clamp (51) is fixedly arranged at the upper end of a supporting plate (4), the connecting block (53) is fixedly connected with the connecting part of the upper clamp (51) and the lower clamp (52), the connecting blocks (53) are mutually attached, the connecting blocks (53) are all fixed through the screws (54) in fit, and the anti-slip rubber mat (55) is fixedly arranged on the semicircular inner walls of the upper clamp (51) and the lower clamp (52).

3. The positioning bracket for steam turbine maintenance according to claim 2, wherein: the driving assembly (6) comprises a motor (61), a threaded rod (62) and a fixing plate (63), wherein the motor (61) is fixedly installed on the L-shaped plate (41), the output end of the motor (61) is connected with the threaded rod (62), the other end of the threaded rod (62) is rotationally connected with a bearing, the bearing is fixedly connected with one end of the fixing plate (63), and the fixing plate (63) is fixedly installed at the lower end of the supporting plate (4).

4. A positioning bracket for steam turbine maintenance according to claim 3, wherein: the right side locating component (5) lower extreme fixedly connected with slider (7), offered screw hole (71) on slider (7), threaded rod (62) run through screw hole (71) and with its threaded connection.

5. The positioning bracket for steam turbine maintenance according to claim 4, wherein: the upper end of the supporting plate (4) is provided with a sliding groove (42), and the sliding block (7) is in sliding connection with the sliding groove (42).