Anti-resonance mounting device for turbine probe

Abstract

The application discloses a kind of steam turbine probe anti-resonance mounting device, it is related to steam turbine probe installation technical field, including base, base top surface is equipped with shell, probe body is slidably arranged in the top surface middle part of shell, the bottom surface of probe body is equipped with connecting head, the bottom surface of connecting head is equipped with connecting plate, the bottom surface of connecting plate is equipped with damping mechanism, the bottom surface middle part of connecting plate is equipped with auxiliary damping mechanism;The application is used by the damper in damping mechanism, it is convenient to absorb energy, and then cooperate with the use of buffer spring, realize the damping of probe body, avoid the inaccurate data caused by probe body vibration, further improve the accuracy of data;Further, by the use of auxiliary damping mechanism, it is convenient to effectively avoid the damping of probe body, improve the accuracy of probe body data detection.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steam turbine probe installation, in particular to a steam turbine probe anti-resonance installation device. BACKGROUND

[0002] At present, the shaft bushing vibration of the steam turbine in the thermal power plant is measured by arranging an installation box on the steam turbine bushing shell, the installation box is used as a fixing device of the steam turbine probe, each installation box is connected with a rectangular metal fixing block through screws, and the rectangular metal fixing block is connected with the steam turbine bushing shell through screws; when the traditional steam turbine probe installation device is used, the eddy current sensor probe is connected to the installation box through a sleeve, when the unit is running, due to the existence of many switching links between the probe and the installation box, the rigidity of the connection is insufficient, there is no auxiliary support and no buffer damping, which can cause the vibration of the whole installation box, and further cause the measurement data to be inaccurate, and in severe cases, the unit operation can be damaged. SUMMARY

[0003] The present application relates to the technical field of steam turbine probe installation, in particular to a steam turbine probe anti-resonance installation device.

[0004] In order to achieve the above-mentioned purpose, the technical scheme is adopted as follows:

[0005] A steam turbine probe anti-resonance installation device, comprising a base, an outer shell is arranged on the top surface of the base, a probe body is slidably arranged in the middle of the inner top surface of the outer shell, and the probe body penetrates into the outer shell from the bottom, a connecting head is arranged on the bottom surface of the probe body, a connecting plate is arranged on the bottom surface of the connecting head, and the connecting plate is slidably arranged in the outer shell, a damping mechanism is arranged on both sides of the bottom surface of the connecting plate, and an auxiliary damping mechanism is arranged in the middle of the bottom surface of the connecting plate.

[0006] Preferably, the auxiliary damping mechanism comprises a cylinder arranged in the middle of the inner bottom surface of the outer shell and a sliding plate slidably arranged on the inner top of the cylinder, an air bag is arranged between the sliding plate and the cylinder, a connecting rod is arranged on the middle of the top surface of the sliding plate, and the top of the connecting rod is fixedly connected with the bottom surface of the connecting plate.

[0007] Preferably, a rectangular sliding block B is arranged on the outer wall of both ends of the sliding plate, and a rectangular sliding groove B is arranged on the inner wall of the cylinder matched with the sliding plate.

[0008] Preferably, the damping mechanism comprises a damper arranged on the inner bottom surface of the outer shell, the top of the damper is fixedly connected with the bottom surface of the connecting plate, and a buffer spring is sleeved on the outer wall of the damper.

[0009] Preferably, a fixing ring is sleeved on the outer wall of the probe body in the outer shell, a fixing rod is symmetrically arranged on the outer wall of the fixing ring, and the fixing rod is fixedly connected with the inner wall of the outer shell.

[0010] Preferably, flexible rubber ring B is arranged on the inner wall of the fixed ring, the flexible rubber ring B is sleeved on the outer wall of the probe body, and a plurality of protrusions are uniformly arranged on the inner wall of the fixed ring, and grooves are arranged on the outer wall of the flexible rubber ring B in cooperation with the protrusions.

[0011] Preferably, rectangular sliding blocks A are arranged at the front end and the rear end of the connecting plate, and rectangular sliding grooves A are arranged on the front end face and the rear end face of the shell in cooperation with the rectangular sliding blocks A.

[0012] Preferably, a circular opening is arranged on the top face of the shell in cooperation with the probe body, a flexible rubber ring A is arranged on the inner wall of the circular opening, and the flexible rubber ring A is sleeved on the outer wall of the top of the probe body.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] 1、The present application uses the damper in the damping mechanism to absorb energy, and cooperates with the use of the buffer spring to realize damping of the probe body, avoid inaccurate data caused by vibration of the probe body, and further improve the accuracy of the data; and the use of the auxiliary damping mechanism can effectively avoid damping of the probe body and improve the accuracy of data detection of the probe body.

[0015] 2、The fixed ring and the fixed rod are used in cooperation to limit the probe body and ensure that the probe body freely slides in the vertical direction; the use of the flexible rubber ring B avoids damage to the probe body caused by contact with the fixed ring, and further protects the probe body; the protrusions and the grooves are used in cooperation to increase the contact area of the flexible rubber ring B and the fixed ring and improve the stability of the connection between the fixed ring and the flexible rubber ring B. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view appearance structure schematic diagram of the present application;

[0017] Figure 2 It is a front view appearance structure schematic diagram of the present application;

[0018] Figure 3 It is a structure schematic diagram of the fixed ring and the probe body connection of the present application;

[0019] Figure 4 It is a structure schematic diagram of the auxiliary damping mechanism of the present application.

[0020] BRIEF DESCRIPTION OF DRAWINGS

[0021] 1, base; 2, shell; 3, flexible rubber ring A; 4, probe body; 5, fixed ring; 6, fixed rod; 7, connecting head; 8, rectangular slider A; 9, damper; 10, connecting plate; 11, auxiliary damping mechanism; 1101, cylinder; 1102, air bag; 1103, sliding plate; 1104, connecting rod; 12, buffer spring; 13, rectangular slider B; 14, flexible rubber ring B. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.

[0023] Embodiment: see Figures 1-4 A steam turbine probe anti-resonance mounting device, comprising a base 1, the top surface of the base 1 is provided with a shell 2, the inner top surface of the shell 2 is slidably provided with a probe body 4, and the bottom of the probe body 4 slidably penetrates into the shell 2, the bottom surface of the probe body 4 is provided with a connecting head 7, the bottom surface of the connecting head 7 is provided with a connecting plate 10, and the connecting plate 10 is slidably arranged with the shell 2, the bottom surface of the connecting plate 10 is provided with a damping mechanism on both sides, through the use of the damping mechanism, the probe body 4 is damped, avoiding inaccurate data caused by the vibration of the probe body 4, and further improving the accuracy of the data; the bottom surface of the connecting plate 10 is provided with an auxiliary damping mechanism 11 in the middle, through the use of the auxiliary damping mechanism 11, the probe body 4 is effectively damped to improve the accuracy of data detection of the probe body 4.

[0024] In the present application, the auxiliary damping mechanism 11 comprises a cylinder 1101 arranged in the middle of the inner bottom surface of the shell 2 and a sliding plate 1103 slidably arranged on the top of the cylinder 1101, an air bag 1102 is arranged between the sliding plate 1103 and the cylinder 1101, a connecting rod 1104 is arranged on the middle of the top surface of the sliding plate 1103, and the top of the connecting rod 1104 is fixedly connected with the bottom surface of the connecting plate 10.

[0025] In the present application, the outer walls of both ends of the sliding plate 1103 are provided with rectangular sliders B 13, and rectangular sliding grooves B are formed in the inner wall of the cylinder 1101 to match the sliding plate 1103, so as to facilitate the sliding of the sliding plate 1103.

[0026] In the present application, the damping mechanism comprises a damper 9 arranged on the inner bottom surface of the shell 2, the top of the damper 9 is fixedly connected with the bottom surface of the connecting plate 10, and a buffer spring 12 is sleeved on the outer wall of the damper 9, through the use of the damper 9, the energy is absorbed, and then the buffer spring 12 is used to realize the damping of the probe body 4.

[0027] In the application, the fixed ring 5 is sleeved on the outer wall of the probe body 4 in the shell 2, the fixed rods 6 are symmetrically arranged on the outer wall of the fixed ring 5, and the fixed rods 6 are fixedly connected with the inner wall of the shell 2. Through the cooperation of the fixed ring 5 and the fixed rod 6, the probe body 4 is conveniently limited, and the probe body 4 is ensured to freely slide in the vertical direction.

[0028] In the application, the flexible rubber ring B14 is arranged on the inner wall of the fixed ring 5 and sleeved on the outer wall of the probe body 4, and a plurality of protrusions are uniformly arranged on the inner wall of the fixed ring 5. The recesses are arranged on the outer wall of the flexible rubber ring B14 in cooperation with the protrusions. Through the use of the flexible rubber ring B14, the probe body 4 is prevented from being damaged due to contact with the fixed ring 5, and the probe body 4 is further protected.

[0029] In the application, the rectangular sliding blocks A8 are arranged on the front and rear ends of the connecting plate 10, and the rectangular sliding grooves A are arranged on the front and rear end faces of the shell 2 in cooperation with the rectangular sliding blocks A8. Through the use of the rectangular sliding blocks A8, the sliding of the connecting plate 10 is facilitated.

[0030] In the application, the circular opening is arranged on the top surface of the shell 2 in cooperation with the probe body 4, the flexible rubber ring A3 is arranged on the inner wall of the circular opening, and the flexible rubber ring A3 is sleeved on the outer wall of the top of the probe body 4. Through the use of the flexible rubber ring A3, the probe body 4 is prevented from being damaged due to mutual contact between the probe body 4 and the circular opening, thereby avoiding the damage of the probe body 4 due to abrasion, and the probe body 4 is conveniently protected.

[0031] Working principle: when the probe body 4 is vibrated, the probe body 4 moves upward, thereby driving the connecting head 7 and the connecting plate 10 to move downward. Through the action of the buffer spring 12, the connecting plate 10 and the connecting head 7 move up and down, further making the probe body 4 move up and down. Then the movable end of the damper 9 moves up and down to consume energy, thereby achieving the shock absorption of the probe body 4, avoiding the damage of the probe body 4 due to vibration, and improving the service life of the probe body 4.

[0032] The connecting plate 10 moves downward, thereby driving the connecting rod 1104 to move downward, driving the sliding plate 1103 to move downward, further making the air bag 1102 be squeezed, and achieving the auxiliary shock absorption of the probe body 4 through the compression of the gas in the air bag 1102, thereby improving the shock absorption effect of the device.

[0033] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A steam turbine probe anti-resonance mounting device, characterized by, The utility model provides a kind of probe, including base (1), the top surface of the base (1) is equipped with shell (2), the top surface middle part of the shell (2) is slidably equipped with probe body (4), and the probe body (4) bottom is slidably penetrated into shell (2), the bottom surface of the probe body (4) is equipped with connector (7), the bottom surface of the connector (7) is equipped with connecting plate (10), and the connecting plate (10) is slidably arranged with shell (2), the bottom surface of the connecting plate (10) both sides is equipped with damping mechanism, the bottom surface middle part of the connecting plate (10) is equipped with auxiliary damping mechanism (11). The auxiliary damping mechanism (11) includes a cylinder (1101) disposed in the middle part of the inner bottom surface of the shell (2) and a sliding plate (1103) slidably disposed in the top of the cylinder (1101), a gas bag (1102) is provided between the sliding plate (1103) and the cylinder (1101), a connecting rod (1104) is provided on the middle part of the top surface of the sliding plate (1103), and the top of the connecting rod (1104) is fixedly connected to the bottom surface of the connecting plate (10); rectangular sliding blocks B (13) are provided on the outer walls of both ends of the sliding plate (1103), and rectangular sliding grooves B are formed in the inner walls of the cylinder (1101) to match the sliding plate (1103). The damping mechanism includes a damper (9) disposed on the inner bottom surface of the shell (2), the top of the damper (9) is fixedly connected to the bottom surface of the connecting plate (10), and a buffer spring (12) is sleeved on the outer wall of the damper (9).

2. A turbine probe anti-resonance mounting device according to claim 1, characterised in that, A fixing ring (5) is sleeved on the outer wall of the probe body (4) in the shell (2), and fixed rods (6) are symmetrically provided on the outer wall of the fixing ring (5) and fixedly connected to the inner wall of the shell (2).

3. A turbine probe anti-resonance mounting device according to claim 2, characterised in that, A flexible rubber ring B (14) is provided on the inner wall of the fixing ring (5) and sleeved on the outer wall of the probe body (4).

4. A turbine probe anti-resonance mounting device according to claim 3, characterised in that, A plurality of protrusions are uniformly provided on the inner wall of the fixing ring (5), and grooves are formed on the outer wall of the flexible rubber ring B (14) to match the protrusions.

5. A turbine probe anti-resonance mounting device according to claim 1, wherein, Rectangular sliding blocks A (8) are provided on the front and rear ends of the connecting plate (10), and rectangular sliding grooves A are formed on the front and rear end faces of the shell (2) to match the rectangular sliding blocks A (8).

6. A turbine probe anti-resonance mounting device according to claim 1, wherein, A circular opening is formed on the top surface of the shell (2) to match the probe body (4), a flexible rubber ring A (3) is provided on the inner wall of the circular opening and sleeved on the outer wall of the top of the probe body (4).

Images