Centrifugal compressor rotor centering tool

Abstract

The utility model provides a centrifugal compressor rotor centering tool, which relates to the technical field of centrifugal compressors and comprises a mounting seat, observation windows are arranged on two sides of the mounting seat, a locking component is arranged at the bottom end of the mounting seat, and positioning components are arranged at the front end and the rear end of the mounting seat. The positioning assembly comprises fixing rods, springs and pressing plates, the fixing rods are arranged at the front end and the rear end of the mounting base, the springs are arranged in the middles of the fixing rods, and the pressing plates are arranged at the top ends of the springs; a laser instrument is arranged on the right side of the mounting seat; a sensor is installed on the left side of the installation base, a supporting assembly is installed in an inner cavity of the installation base, positioning assemblies are arranged at the front end and the rear end of the installation base, a spring is arranged in the middle of a fixing rod, and a laser instrument and the sensor are installed in the installation base. And the laser instrument and the sensor in the mounting seat can be positioned and mounted by the pressing plate, so that the mounting stability of the laser instrument and the sensor is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal compressors, in particular to a centrifugal compressor rotor centering tool. Background Art

[0002] Centrifugal compressor is a kind of turbine compressor, which has the characteristics of large gas processing volume, small size, simple structure, stable operation, convenient maintenance and no gas pollution. With the achievements of gas dynamics research, the efficiency of centrifugal compressors has been continuously improved. Due to the successful development of key technologies such as high-pressure seals, processing of small flow narrow impellers, and multi-oil wedge bearings, a series of problems in the development of centrifugal compressors to high pressure and wide flow range have been solved, which has greatly expanded the application range of centrifugal compressors, so that they can replace reciprocating piston compressors in many occasions.

[0003] In the prior art, when manually centering the centrifugal compressor rotor, the main motor is aligned with the compressor rotor as a reference, and the compressor rotor, gear box and motor axis are adjusted to be compatible. The machine is prone to errors, which affects the centrifugal compressor rotor centering problem.

[0004] Therefore, the utility model provides a centrifugal compressor rotor centering tool. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provide a centrifugal compressor rotor centering tool.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a centrifugal compressor rotor centering tool, comprising a mounting seat, observation windows are arranged on both sides of the mounting seat, a locking assembly is arranged at the bottom end of the mounting seat, and positioning assemblies are arranged at the front and rear ends of the mounting seat;

[0007] The positioning assembly includes a fixing rod, a spring and a pressure plate. The fixing rods are arranged at the front and rear ends of the mounting seat, and a spring is arranged in the middle of the fixing rod. The top of the spring is provided with a pressure plate.

[0008] A laser instrument is arranged on the right side of the mounting seat; a sensor is installed on the left side of the mounting seat, and a supporting component is installed in the inner cavity of the mounting seat.

[0009] As a preferred implementation, the fixing rod forms an elastic structure with the pressing plate through a spring, and the spring is connected to the pressing plate.

[0010] The technical effect of adopting the above further scheme is: by providing positioning components at the front and rear ends of the mounting seat, and by providing a spring in the middle of the fixing rod, the laser instrument and the sensor are respectively installed in the mounting seat, and the compression force of the spring can be used to enable the pressure plate to position and install the laser instrument and the sensor inside the mounting seat.

[0011] As a preferred embodiment, the springs are provided in two groups.

[0012] The technical effect of adopting the above further solution is: strengthening the stability of the installation of the laser instrument and the sensor.

[0013] As a preferred embodiment, the locking assembly includes a locking cover, an adjustment ring, bolts and anti-slip teeth. A locking cover is provided at the bottom end of the mounting seat, and the middle part of the locking cover is passed through the adjustment ring. Bolts are passed through the middle parts of the locking cover and the adjustment ring, and anti-slip teeth are installed on the inner surface of the locking cover.

[0014] The technical effect of adopting the above-mentioned further scheme is: observation windows are provided on both sides of the mounting seat to facilitate observation of the tightness of the installation of the laser instrument and the sensor, and locking assemblies are provided at the bottom ends of the two sets of mounting seats. By utilizing the mobility between the locking cover and the adjustment ring, the locking cover can be stably fitted on the centrifugal compressor rotor and the fixed machine for installation.

[0015] As a preferred implementation, the locking cover forms a fixing structure with the adjusting ring through bolts, and the locking cover is connected to the anti-slip teeth.

[0016] The technical effect of adopting the above-mentioned further scheme is: by passing the bolts through the middle of the locking cover and the adjustment ring, the space of the locking cover can be positioned and locked, and the serrated structure of the anti-slip teeth can be used to increase the friction between the locking cover and the installation object, thereby preventing the locking cover from shaking during the rotation process, thereby reducing the centering effect of the laser instrument and the sensor.

[0017] As a preferred embodiment, the support assembly includes a support seat, an extension rod, a top plate and fixing screws. The support seat is installed in the inner cavity of the mounting seat, and an extension rod is inserted in the middle of the support seat. The top end of the extension rod is connected to the top plate, and fixing screws are passed through the extension rod and the middle of the support seat.

[0018] The technical effect of adopting the above further scheme is: the inner cavity of the mounting seat is provided with a support assembly, and the bottom of the laser instrument and the sensor are inserted in the middle of the support seat and the extension rod for positioning support, which greatly increases the stability of the installation of the laser instrument and the sensor, and increases the internal support of the laser instrument and the sensor through the top plate.

[0019] As a preferred implementation, the support seat forms a disassembly structure through fixing screws and an extension rod, and the top plate and the extension rod are fixedly connected.

[0020] The technical effect of adopting the above further scheme is: according to the length of the laser instrument and the sensor cavity, the installation length of the support seat and the extension rod can be adjusted, and finally, by passing the fixing screws through the middle of the support seat and the extension rod, the length of the support seat and the extension rod can be positioned and locked.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are:

[0022] The user installs the laser on a fixed machine, and the sensor is installed on a movable machine. When adjusting the centrifugal compressor rotor alignment, the real-time movement of the laser alignment system is used for synchronous detection. The centrifugal compressor rotor is solidified during the rotation process, and the alignment information structure is displayed on the screen of the laser shaft alignment tool. Before moving the rotor, aim the rotor at the center of the opposite detector. When the rotor is rotated horizontally, the laser sweeps over the detector and exceeds the range. At this time, it is necessary to stop working because the sensor opposite the laser cannot receive any data and cannot accurately find the center of the centrifugal compressor rotor. The laser alignment instrument is an efficient and accurate method. It is based on the theory of dial indicator alignment and combines precise optical and electronic technology to greatly reduce the errors generated by measuring instruments. Positioning components are set at the front and rear ends of the mounting seat, and a spring is set in the middle of the fixed rod. The laser and sensor are installed in the mounting seat respectively. The compression force of the spring can be used to position and install the laser and sensor inside the mounting seat, thereby strengthening the stability of the installation of the laser and sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the rotor centering tooling of the utility model;

[0024] Figure 2 For this utility model Figure 1 The structure diagram at A is enlarged;

[0025] Figure 3 This is the internal structure diagram of the mounting seat of the utility model;

[0026] Figure 4 It is a partially enlarged structural diagram of the support assembly of the utility model.

[0027] Among them: 1. Mounting seat; 2. Observation window; 3. Locking assembly; 301. Locking cover; 302. Adjustment ring; 303. Bolt; 304. Anti-slip teeth; 4. Positioning assembly; 401. Fixing rod; 402. Spring; 403. Pressure plate; 5. Laser instrument; 6. Sensor; 7. Support assembly; 701. Support seat; 702. Extension rod; 703. Top plate; 704. Fixing screws. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Example

[0030] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model provides a technical solution: a centrifugal compressor rotor centering tool, comprising a mounting seat 1, observation windows 2 are arranged on both sides of the mounting seat 1, a locking assembly 3 is arranged at the bottom end of the mounting seat 1, and positioning assemblies 4 are arranged at the front and rear ends of the mounting seat 1;

[0031] The positioning assembly 4 includes a fixing rod 401, a spring 402 and a pressure plate 403. The fixing rods 401 are arranged at the front and rear ends of the mounting seat 1, and the spring 402 is arranged in the middle of the fixing rod 401. The pressure plate 403 is arranged at the top of the spring 402.

[0032] A laser instrument 5 is arranged on the right side of the mounting seat 1; a sensor 6 is arranged on the left side of the mounting seat 1, and a support assembly 7 is arranged in the inner cavity of the mounting seat 1. Specifically, firstly, observation windows 2 are arranged on both sides of the mounting seat 1, so as to observe the tightness of the installation of the laser instrument 5 and the sensor 6. A locking assembly 3 is arranged at the bottom end of the two groups of mounting seats 1. By utilizing the mobility between the locking cover 301 and the adjustment ring 302, the locking cover 301 can be stably fitted on the centrifugal compressor rotor and the fixed machine. By inserting the bolt 303 through the middle of the locking cover 301 and the adjustment ring 302, the space of the locking cover 301 can be positioned and locked. By utilizing the serrated structure of the anti-slip teeth 304, the friction between the locking cover 301 and the installation object can be increased to avoid the locking cover 30 1 During the rotation process, shaking occurs, which reduces the centering effect of the laser instrument 5 and the sensor 6. The user installs the laser instrument 5 on a fixed machine, and the sensor 6 is installed on a movable machine. When adjusting the centrifugal compressor rotor alignment, the real-time movement of the laser instrument 5 alignment system is used for synchronous detection. During the rotation of the centrifugal compressor rotor, the alignment information structure is displayed on the screen of the laser shaft alignment tool. Before moving the rotor, aim the rotor at the center of the opposite detector. When the rotor is rotated horizontally, the laser instrument 5 scans the detector and exceeds the range. At this time, it is necessary to stop working because the sensor 6 opposite the laser instrument 5 cannot receive any data and cannot accurately locate the center of the centrifugal compressor rotor. Through laser alignment The instrument is an efficient and accurate method. It is based on the theory of dial indicator centering and combines accurate optical and electronic technologies to greatly reduce the errors caused by measuring instruments. Positioning components 4 are provided at the front and rear ends of the mounting seat 1. A spring 402 is provided in the middle of the fixing rod 401. The laser instrument 5 and the sensor 6 are respectively installed in the mounting seat 1. The compression force of the spring 402 can be used to position and install the laser instrument 5 and the sensor 6 inside the mounting seat 1 with the pressing plate 403, thereby strengthening the stability of the installation of the laser instrument 5 and the sensor 6. The inner cavity of the mounting seat 1 is provided with a supporting component 7. The bottom of the laser instrument 5 and the sensor 6 are inserted in the middle of the supporting seat 701 and the extension rod 702 for positioning support, thereby greatly increasing the installation stability of the laser instrument 5 and the sensor 6. Stability, the support degree inside the laser instrument 5 and the sensor 6 is increased by the top plate 703, and the installation length of the support seat 701 and the extension rod 702 can be adjusted according to the length of the laser instrument 5 and the sensor 6 cavity. Finally, the length of the support seat 701 and the extension rod 702 can be positioned and locked by the fixing screw 704 inserted through the middle of the support seat 701 and the extension rod 702. Through this technical solution, the problem of manual centrifugal compressor rotor centering tooling, using the compressor rotor as a reference to align the main motor, adjusting the compressor rotor, gear box and motor axis to adapt, the machine is prone to errors, and the problem of affecting the centrifugal compressor rotor centering is solved. The positioning components 4 are provided at the front and rear ends of the mounting seat 1.A spring 402 is provided in the middle of the fixing rod 401, and the laser instrument 5 and the sensor 6 are respectively installed in the mounting seat 1. The compression force of the spring 402 can be used to position and install the laser instrument 5 and the sensor 6 in the mounting seat 1 with the pressure plate 403, thereby reinforcing the stability of the installation of the laser instrument 5 and the sensor 6. The user installs the laser instrument 5 on a fixed machine, and the sensor 6 is installed on a movable machine. When adjusting the centrifugal compressor rotor alignment, the real-time movement of the laser instrument 5 alignment system is used for synchronous detection. During the rotation of the centrifugal compressor rotor, the alignment information structure is displayed on the screen of the laser shaft alignment tool. Before moving the rotor, aim the rotor at the center of the opposite detector. When the rotor is rotated horizontally, the laser instrument 5 scans the detector and exceeds the range. At this time, it is necessary to stop working because the sensor 6 opposite the laser instrument 5 cannot receive any data and cannot accurately find the center of the centrifugal compressor rotor. The laser alignment tool is an efficient and accurate method. It is based on the theory of dial indicator alignment and combines precise optical and electronic technologies to greatly reduce the errors generated by measuring instruments.

[0033] Further, such as Figure 1-2 As shown: the locking assembly 3 also includes a locking cover 301, an adjustment ring 302, a bolt 303 and an anti-slip tooth 304. The bottom end of the mounting seat 1 is provided with a locking cover 301, and the middle of the locking cover 301 is penetrated by the adjustment ring 302. Bolts 303 are penetrated in the middle of the locking cover 301 and the adjustment ring 302. The inner surface of the locking cover 301 is provided with an anti-slip tooth 304. The advantage of this technical solution is that observation windows 2 are provided on both sides of the mounting seat 1, which is convenient for observing the tightness of the installation of the laser instrument 5 and the sensor 6. A locking assembly 3 is provided, and the locking cover 301 can be stably fitted on the centrifugal compressor rotor and the fixed machine by utilizing the mobility between the locking cover 301 and the adjustment ring 302. The space of the locking cover 301 can be positioned and locked by passing the bolts 303 through the middle of the locking cover 301 and the adjustment ring 302. The serrated structure of the anti-slip teeth 304 can increase the friction between the locking cover 301 and the installation object, thereby preventing the locking cover 301 from shaking during the rotation process, thereby reducing the centering effect of the laser instrument 5 and the sensor 6.

[0034] The above solution still has the problem of inconvenience in positioning and installing the laser instrument 5 and the sensor 6. Figure 3 and Figure 4As shown: In this scheme, the support assembly 7 includes a support seat 701, an extension rod 702, a top plate 703 and a fixing screw 704. The support seat 701 is installed in the inner cavity of the mounting seat 1, and the extension rod 702 is inserted in the middle of the support seat 701. The top end of the extension rod 702 is connected to the top plate 703, and the middle of the extension rod 702 and the support seat 701 are penetrated by fixing screws 704. The inner cavity of the mounting base 1 is provided with a support assembly 7, and the bottom of the laser instrument 5 and the sensor 6 are inserted in the middle of the support base 701 and the extension rod 702 for positioning support, which greatly increases the stability of the installation of the laser instrument 5 and the sensor 6. The support degree inside the laser instrument 5 and the sensor 6 is increased by the top plate 703. According to the length of the cavity of the laser instrument 5 and the sensor 6, the insertion length of the support base 701 and the extension rod 702 can be adjusted. Finally, the length of the support base 701 and the extension rod 702 can be positioned and locked by passing the fixing screws 704 through the middle of the support base 701 and the extension rod 702.

[0035] Working principle:

[0036] like Figure 1-4 As shown:

[0037] First, observation windows 2 are provided on both sides of the mounting seat 1 to facilitate observation of the tightness of the installation of the laser instrument 5 and the sensor 6. A locking assembly 3 is provided at the bottom end of the two sets of mounting seats 1. The locking cover 301 can be stably fitted on the centrifugal compressor rotor and the fixed machine by utilizing the mobility between the locking cover 301 and the adjustment ring 302. The space of the locking cover 301 can be positioned and locked by passing the bolts 303 through the middle of the locking cover 301 and the adjustment ring 302. The serrated structure of the anti-slip teeth 304 can increase the friction between the locking cover 301 and the installation object to prevent the locking cover 301 from rotating. The shaking reduces the centering effect of the laser instrument 5 and the sensor 6. The user installs the laser instrument 5 on a fixed machine and the sensor 6 on a movable machine. When adjusting the centrifugal compressor rotor alignment, the real-time movement of the laser instrument 5 alignment system is used for synchronous detection. During the rotation of the centrifugal compressor rotor, the alignment information structure is displayed on the screen of the laser shaft alignment tool. Before moving the rotor, aim the rotor at the center of the opposite detector. When rotating the rotor horizontally, the laser instrument 5 scans the detector and goes out of range. At this time, it is necessary to stop working because the sensor 6 opposite the laser instrument 5 cannot receive the center information. Without any data, it is impossible to accurately find the center of the centrifugal compressor rotor. The laser centering instrument is an efficient and accurate method. It is based on the theory of dial indicator centering and combines accurate optical and electronic technology to greatly reduce the error caused by the measuring instrument. The front and rear ends of the mounting seat 1 are provided with positioning components 4, and the middle part of the fixing rod 401 is provided with a spring 402. The laser instrument 5 and the sensor 6 are respectively installed in the mounting seat 1. The compression force of the spring 402 can be used to position the laser instrument 5 and the sensor 6 inside the mounting seat 1. The installation of the laser instrument 5 and the sensor 6 is strengthened. In order to ensure the stability of the installation, the inner cavity of the mounting base 1 is provided with a supporting assembly 7, and the bottom of the laser instrument 5 and the sensor 6 are inserted in the middle of the supporting base 701 and the extension rod 702 for positioning support, which greatly increases the stability of the installation of the laser instrument 5 and the sensor 6. The support degree inside the laser instrument 5 and the sensor 6 is increased by the top plate 703. According to the length of the cavity of the laser instrument 5 and the sensor 6, the insertion length of the supporting base 701 and the extension rod 702 can be adjusted. Finally, the fixing screws 704 are inserted through the middle of the supporting base 701 and the extension rod 702, so that the length of the supporting base 701 and the extension rod 702 can be positioned and locked.

[0038] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A centrifugal compressor rotor centering tool, comprising a mounting seat (1), characterized in that: Observation windows (2) are provided on both sides of the mounting seat (1), a locking assembly (3) is provided at the bottom end of the mounting seat (1), and positioning assemblies (4) are provided at the front and rear ends of the mounting seat (1); The positioning assembly (4) comprises a fixing rod (401), a spring (402) and a pressure plate (403); the fixing rods (401) are arranged at the front and rear ends of the mounting seat (1); the spring (402) is arranged in the middle of the fixing rod (401); and the pressure plate (403) is arranged at the top end of the spring (402); A laser instrument (5) is arranged on the right side of the mounting seat (1); a sensor (6) is installed on the left side of the mounting seat (1); and a support assembly (7) is installed in the inner cavity of the mounting seat (1).

2. A centrifugal compressor rotor centering tool according to claim 1, characterized in that: The fixing rod (401) forms an elastic structure with a pressing plate (403) via a spring (402), and the spring (402) is connected to the pressing plate (403).

3. The centrifugal compressor rotor centering tool according to claim 1, characterized in that: The springs (402) are provided in two groups.

4. A centrifugal compressor rotor centering tool according to claim 1, characterized in that: The locking assembly (3) comprises a locking cover (301), an adjustment ring (302), a bolt (303) and an anti-slip tooth (304); the bottom end of the mounting seat (1) is provided with a locking cover (301), and the middle part of the locking cover (301) is penetrated in the adjustment ring (302); bolts (303) are penetrated in the middle parts of the locking cover (301) and the adjustment ring (302); and the inner surface of the locking cover (301) is provided with an anti-slip tooth (304).

5. A centrifugal compressor rotor centering tool according to claim 4, characterized in that: The locking cover (301) forms a fixed structure with the adjusting ring (302) through bolts (303), and the locking cover (301) is connected to the anti-slip teeth (304).

6. The centrifugal compressor rotor centering tool according to claim 1, characterized in that: The support assembly (7) comprises a support seat (701), an extension rod (702), a top plate (703) and a fixing screw (704); the support seat (701) is installed in the inner cavity of the mounting seat (1), and the extension rod (702) is inserted in the middle of the support seat (701); the top end of the extension rod (702) is connected to the top plate (703); and the fixing screw (704) is passed through the middle of the extension rod (702) and the support seat (701).

7. A centrifugal compressor rotor centering tool according to claim 6, characterized in that: The support seat (701) forms a disassembly structure with the extension rod (702) through the fixing screw (704), and the top plate (703) and the extension rod (702) are fixedly connected.

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