CN216049825U

CN216049825U - Level measuring device for giant generator rotor mounting platform

Info

Publication number: CN216049825U
Application number: CN202122137963.4U
Authority: CN
Inventors: 刘天雄; 常娜; 闫震伍; 陆应昭; 景聚乐; 黄鑫; 孔祥龙; 张克飞
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-03-15
Anticipated expiration: 2031-09-06

Abstract

The utility model provides a giant generator rotor lays platform level measurement device, it includes the supporting seat, clamping mechanism, measuring device and adjustment mechanism, it cooperates with the frid of supporting seat to be the horizontality through clamping mechanism, measuring device is vertical state and frid sliding fit, adjustment mechanism is located measuring device one side and is connected with the frid, bracing piece perpendicular to rotor mounting platform's terminal surface in the frid, horizontal bulb ball and its terminal surface rolling contact, the side direction bulb ball that the bracing piece that is located the frid both sides is connected and rotor mounting platform's outer wall and inner wall rolling contact, through promoting the frid along rotor mounting platform circular motion measure the levelness and the straightness that hangs down of its terminal surface, need not to adjust the surveyor's level scale many times repeatedly, the surveyor's level scale need not artifical support, high measurement efficiency, easy operation is convenient.

Description

Level measuring device for giant generator rotor mounting platform

Technical Field

The utility model belongs to the technical field of giant generator measurement, and relates to a level measurement device for a giant generator rotor mounting platform.

Background

When the huge hydro-generator is overhauled, the rotor needs to be lifted out. Because rotor weight and volume are great, the requirement for the level is very high when the rotor is laid, if the rotor is laid the platform level and is not adjusted well, probably make the rotor topple over, cause equipment damage and bodily injury. The current method for measuring the rotor placing platform horizontally is to manually hold a ruler to measure the rotor placing platform horizontally. Because the rotor is laid the platform height and is higher, the width is less, and the level gauge staff is fixed difficult in the measurement process. The staff gauge of the manual hand spirit level is easy to shake, and the verticality of the staff gauge can not be guaranteed, so that the measurement error is large. In the process of horizontally adjusting the rotor placing platform, repeated measurement and multiple adjustment are needed, and the working efficiency is very low by adopting a method of manually holding the staff gauge by hands.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a level measuring device for a giant generator rotor mounting platform, wherein a clamping mechanism is matched with a groove plate of a supporting seat in a horizontal state, the measuring device is matched with the groove plate in a sliding manner in a vertical state, an adjusting mechanism is positioned on one side of the measuring device and connected with the groove plate, a supporting rod in the groove plate is perpendicular to the end surface of the rotor mounting platform, a horizontal ball is in rolling contact with the end surface, lateral ball balls connected with the supporting rods positioned on two sides of the groove plate are in rolling contact with the outer wall and the inner wall of the rotor mounting platform, the groove plate is pushed to move circularly along the rotor mounting platform to measure the levelness and the verticality of the end surface, a leveling instrument staff gauge is not required to be adjusted repeatedly for many times, the leveling instrument staff gauge is not required to be manually supported, the measuring efficiency is high, and the operation is simple and convenient.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a level measuring device for a giant generator rotor placing platform comprises a supporting seat, a clamping mechanism, a measuring device and an adjusting mechanism; clamping mechanism is located the frid both sides of supporting seat rather than the cooperation, and measuring device's spirit level scale passes frid rather than sliding fit, and the bracing piece in the supporting seat is located the both sides of spirit level scale, and adjustment mechanism is fixed in and is close to spirit level scale one side on the frid.

The supporting seat comprises a groove plate with a downward groove opening, a supporting rod is arranged at the bottom of the groove plate, and a horizontal ball is connected with the supporting rod.

The clamping mechanism comprises a locking handle and a lateral ball-head ball, wherein the two ends of the screw rod are respectively connected with the locking handle and the lateral ball-head ball, the screw rod penetrates through the groove wall of the groove plate to be matched with the groove wall, and the lateral ball-head ball is positioned in the groove plate.

The screw is provided with two check rings in sliding fit with the screw, and the spring is sleeved on the screw between the two check rings.

The measuring device comprises a horizontal ruler connected to a staff gauge of the level gauge, and the horizontal ruler is far away from the lower end of the staff gauge of the level gauge.

The adjusting mechanism comprises an adjusting screw matched with the thread block, the thread block is connected with the groove plate, and the adjusting screw is laterally vertical to the leveling instrument staff.

The utility model has the beneficial effects that:

and groove plates with downward openings are adopted, so that the groove walls on two sides of the notch are positioned on two sides of the inner wall and the outer wall of the rotor mounting platform with the annular structure.

The horizontal ball-head ball connected with the support rod is in rolling contact with the end face of the rotor mounting platform, rolls annularly along the end face of the rotor mounting platform and supports the groove plate to reach a position to be measured.

Lateral ball balls connected with the screw rod are in rolling contact with the outer wall and the inner wall of the rotor mounting platform, and roll annularly along the wall surface of the rotor mounting platform, so that the rotor mounting platform is flexible and reliable.

The spring arranged on the screw rod applies the tension of the retainer ring, and when the groove plate is pushed to move, the screw rod is prevented from rotating and loosening.

The perpendicularity of the leveling instrument staff is adjusted by rotating the adjusting screw, the adjustment is convenient, and the improvement of the measuring precision is facilitated.

During measurement, the groove plates are pushed to drive the rotor mounting platform to move annularly, labor is saved, and the efficiency of measurement is improved.

Drawings

The utility model is further illustrated by the following figures and examples.

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a state diagram of the present invention in use.

In the figure: supporting seat 1, frid 11, bracing piece 12, horizontal bulb ball 13, clamping mechanism 2, screw rod 21, locking handle 22, side direction bulb ball 23, retaining ring 24, spring 25, measuring device 3, spirit level scale 31, level bar 32, adjustment mechanism 4, screw thread piece 41, adjusting screw 42.

Detailed Description

As shown in fig. 1 to 3, a level measuring device for a giant generator rotor mounting platform comprises a supporting seat 1, a clamping mechanism 2, a measuring device 3 and an adjusting mechanism 4; clamping mechanism 2 is located 11 both sides of frid rather than the cooperation of supporting seat 1, and measuring device 3's spirit level scale 31 passes frid 11 rather than sliding fit, and bracing piece 12 in the supporting seat 1 is located the both sides of spirit level scale 31, and adjustment mechanism 4 is fixed in on frid 11 and is close to spirit level scale 31 one side. During the use, bracing piece 12 perpendicular to rotor mounting platform's the terminal surface in the frid 11, horizontal bulb ball 13 and its terminal surface rolling contact, the side direction bulb ball 23 that the bracing piece 12 that is located the frid 11 both sides is connected and rotor mounting platform's outer wall and inner wall rolling contact, promote the levelness and the straightness that hangs down of frid 11 along rotor mounting platform circular motion measurement its terminal surface, need not to adjust spirit level scale 31 repeatedly many times, spirit level scale 31 need not artifical the support, measurement of efficiency is high, easy operation is convenient.

In a preferred scheme, the supporting seat 1 comprises a groove plate 11 with a downward groove opening, a supporting rod 12 is arranged at the bottom of the groove plate 11, and a horizontal ball 13 is connected with the supporting rod 12. When the support rod is used, the notch of the groove plate 11 faces downwards, the groove walls of the groove plate 11 are located on two sides of the outer wall and the inner wall of the rotor mounting platform, the support rod 12 is perpendicular to the end face of the rotor mounting platform, and the horizontal ball head ball 13 is in rolling contact with the end face of the rotor mounting platform.

In a preferred scheme, the clamping mechanism 2 comprises a locking handle 22 and a lateral ball bearing 23 which are respectively connected with two ends of a screw rod 21, the screw rod 21 penetrates through the groove wall of the groove plate 11 to be matched with the groove plate, and the lateral ball bearing 23 is positioned in the groove plate 11. When the lateral ball head ball bearing locking device is used, the knob force of the locking handle 22 is applied to drive the screw rod 21 to rotate, and the lateral ball head ball bearing 23 is in rolling contact with the inner wall of the rotor mounting platform.

In a preferred scheme, two retainer rings 24 in sliding fit with the screw 21 are arranged on the screw 21, and the spring 25 is sleeved on the screw 21 between the two retainer rings 24. When the device is used, the spring 25 arranged on the screw rod 21 applies the tension of the retainer ring 24, so that the retainer ring 24 is abutted against the lateral ball head balls 23 and the groove plate 11, and the screw rod 21 is prevented from rotating and loosening in the process of pushing the groove plate 11 to move.

In a preferred embodiment, the measuring device 3 includes a level 32 connected to the leveling staff 31, and the level 32 is far from the lower end of the leveling staff 31. During use, the level gauge 31 is used for measuring the vertical height of the end face of the rotor mounting platform, and the level bar 32 is used for measuring the levelness of the end face of the rotor mounting platform.

In a preferred embodiment, the adjusting mechanism 4 comprises an adjusting screw 42 engaged with a threaded block 41, the threaded block 41 is connected with the channel plate 11, and the adjusting screw 42 is laterally perpendicular to the leveling staff 31. During the use, rotatory adjusting screw 42 makes it contradict with spirit level scale 31, finely tunes the verticality of spirit level scale 31, overcomes the level error between rotor mounting platform base and the basic contact surface.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.

Claims

1. The utility model provides a platform level measurement device is laid to giant generator rotor which characterized by: the device comprises a supporting seat (1), a clamping mechanism (2), a measuring device (3) and an adjusting mechanism (4); clamping mechanism (2) are located frid (11) both sides of supporting seat (1) and cooperate with it, and levelling rod staff (31) of measuring device (3) pass frid (11) and sliding fit with it, and bracing piece (12) in supporting seat (1) are located the both sides of levelling rod staff (31), and adjustment mechanism (4) are fixed in frid (11) and go up and be close to levelling rod staff (31) one side.

2. The giant generator rotor mounting platform leveling device of claim 1, wherein: the supporting seat (1) comprises a groove plate (11) with a downward groove opening, a supporting rod (12) is arranged at the bottom of the groove plate (11), and a horizontal ball head ball (13) is connected with the supporting rod (12).

3. The giant generator rotor mounting platform leveling device of claim 1, wherein: the clamping mechanism (2) comprises a locking handle (22) and a lateral ball head ball (23) which are respectively connected with two ends of a screw rod (21), the screw rod (21) penetrates through the groove wall of the groove plate (11) to be matched with the groove wall, and the lateral ball head ball (23) is positioned in the groove plate (11).

4. The giant generator rotor mounting platform leveling device of claim 3, wherein: the screw rod (21) is provided with two check rings (24) in sliding fit with the screw rod, and the spring (25) is sleeved on the screw rod (21) between the two check rings (24).

5. The giant generator rotor mounting platform leveling device of claim 1, wherein: measuring device (3) are including spirit level scale (31) go up level (32) of connecting, and the lower extreme of spirit level scale (31) is kept away from in level scale (32).

6. The giant generator rotor mounting platform leveling device of claim 1, wherein: the adjusting mechanism (4) comprises an adjusting screw (42) matched with the thread block (41), the thread block (41) is connected with the groove plate (11), and the adjusting screw (42) is laterally perpendicular to the leveling instrument staff (31).