Shafting centering system and regulation method

Abstract

The application relates to a shafting centering system and a regulating method, and belongs to the technical field of heavy equipment shafting centering. The application solves the technical problems of high requirement for operators and low centering efficiency of the existing shafting centering equipment and regulating method. A first wedge-shaped block is installed on the top surface of a first supporting plate, a conical surface sliding block is installed on the first wedge-shaped block, a lead screw in a lead screw stepping motor is connected with the first wedge-shaped block, a second wedge-shaped block is slidingly installed on the conical surface sliding block, and the vertical movement of the second wedge-shaped block is realized by starting and stopping the lead screw stepping motor; a hydraulic height adjusting mechanism comprises a base, a supporting rod, a height hydraulic cylinder and a second supporting plate, one end of the supporting rod is connected with the second supporting plate, one end of the height hydraulic cylinder is connected with the supporting rod, and the other end of the supporting rod and the height hydraulic cylinder is connected with the base; a displacement adjusting mechanism comprises an integrated block, a servo valve and a hydraulic cylinder, the integrated block controls the hydraulic cylinder to complete the expansion and contraction action through the servo valve. The working efficiency is improved. The application is used for heavy equipment shafting centering.

Description

Technical Field

[0001] The invention relates to a shaft system centering system and a control method, and belongs to the technical field of heavy equipment shaft system centering. Background Art

[0002] Shaft alignment is an important step in the installation and maintenance of mechanical equipment. Good alignment can reduce equipment distortion and wear, improve operational efficiency, lower vibration and noise levels in mechanical transmission shafts, and increase equipment safety and service life. This is of great significance for ensuring the continuity and reliability of industrial production.

[0003] Common methods for measuring the axial and radial misalignment between the input and output ends include directly using a laser alignment instrument on the flange end face. There are also methods for designing a special shaft interface tool to connect to the laser alignment instrument or dial indicator for measurement. For example, Chinese patents CN2143856U "A centering device", CN201559796U "Dummy shaft component for aligning the shaft system of active and passive equipment", and CN220145203U "A pump shaft system alignment adjustment auxiliary device" use specially designed clamp tooling, dummy shaft tooling, and auxiliary extension shaft tooling in combination with a measuring device to obtain the shaft system misalignment value.

[0004] For adjusting misalignment, the most common methods currently used are adding gaskets and wedge-shaped sliders for adjustment, while the front-to-back axial and left-to-right misalignment is adjusted by manually adjusting bolts. The advantage of this method is that it can achieve micro-displacement adjustment without the use of gaskets, saving time and effort. The disadvantage is that for large and heavy equipment or test bench systems, they are easily damaged and fail due to the limitations of thread tightening torque and preload, and moving the wedge block is very difficult. In addition, all of the above methods require manual operation on site. Considering the complex on-site environment and the inevitable leakage of oil, water, and electricity, this method poses a high test on the operator's safety and environmental adaptability.

[0005] In summary, existing shaft alignment equipment and adjustment methods have technical problems such as high requirements for operators and low alignment efficiency. Summary of the Invention

[0006] The present invention aims to solve the technical problems of the existing shaft alignment equipment and adjustment methods, such as high operator requirements and low alignment efficiency, and further provides a shaft alignment system, which includes heavy equipment, an electric height adjustment mechanism, a hydraulic height adjustment mechanism, and a displacement adjustment mechanism; the electric height adjustment mechanism and the hydraulic height adjustment mechanism are both arranged on the bottom side of the heavy equipment, and the four displacement adjustment mechanisms are evenly arranged on the sides of the heavy equipment;

[0007] The electric height adjustment mechanism includes a first support plate, a first wedge block, a lead screw stepper motor, a conical slider, and a second wedge block; the first wedge block is fixedly mounted on the top surface of the first support plate, the conical slider is slidably mounted on the first wedge block, the lead screw in the lead screw stepper motor is threadedly connected to the first wedge block, and the second wedge block is slidably mounted on the conical slider. The vertical movement of the second wedge block is achieved by starting and stopping the lead screw stepper motor;

[0008] The hydraulic height adjustment mechanism includes a base, a support rod, a height hydraulic cylinder and a second support plate, one end of the support rod is connected to the second support plate, one end of the height hydraulic cylinder is connected to the support rod, and the other ends of the support rod and the height hydraulic cylinder are both connected to the base;

[0009] The displacement adjustment mechanism includes an integrated block, a servo valve and a hydraulic cylinder. The integrated block controls the hydraulic cylinder through the servo valve to complete the telescopic action.

[0010] As another improvement of the present invention, there are several electric height adjustment mechanisms, the number of hydraulic height adjustment mechanisms is the same as that of the electric height adjustment mechanisms, and the electric height adjustment mechanisms and hydraulic height adjustment mechanisms are evenly arranged in pairs on the lower side of the heavy equipment.

[0011] As another improvement of the present invention, it also includes a laser centering instrument and a central control data transmission platform. The laser centering instrument is electrically connected to the central control data transmission platform, and the central control data transmission platform is electrically connected to the integrated block. The laser centering instrument is used to measure the misalignment of heavy equipment.

[0012] As another improvement of the present invention, it further includes a displacement sensor, which is used to monitor the displacement of the heavy equipment.

[0013] As another improvement of the present invention, the displacement adjustment mechanism is provided with two hydraulic cylinders, which are symmetrically arranged on both sides of the integrated block.

[0014] The present invention also provides a control method based on a shaft alignment system, comprising the following steps:

[0015] Step 1: Initially align the shafting and re-measure it;

[0016] Step 2: Obtain the initial alignment data fed back by the laser plummet and transmit it to the central control data transmission platform;

[0017] Step 3: The central control data transmission platform sends displacement signals to the lead screw stepper motor and the integrated block respectively, thereby controlling the vertical movement of the second wedge block and the extension and retraction of the hydraulic cylinder;

[0018] Step 4: Monitor the displacement of heavy equipment through displacement sensors and feed the displacement information back to the central control data transmission platform;

[0019] Step 5: The central control data transmission platform sends displacement signals to the screw stepper motor and integrated block according to the displacement information fed back by the displacement sensor to achieve centering adjustment of the heavy equipment.

[0020] Beneficial effects of the present invention:

[0021] The shaft alignment system of the present invention adjusts the height displacement of heavy equipment through the combined action of an electric height adjustment mechanism and a hydraulic height adjustment mechanism, thereby enhancing the reliability of the system; the misalignment in the front-to-back and left-to-right directions is adjusted by the displacement adjustment mechanism, and the hydraulic rods of the front-to-back and left-to-right hydraulic cylinders are controlled by the servo valve on the integrated block to adjust the misalignment to the design allowable range. The entire alignment adjustment process is fully automatic. All the operator needs to do is to fix the above-mentioned adjustment mechanism in the appropriate position in advance, and transmit the initial alignment data to the central console through the laser alignment instrument. The adjustment devices in all directions start working, and after the misalignment adjustment is finally completed, the operator removes the adjustment mechanism. It can enhance the safety and environmental adaptability of the operator, while improving the alignment efficiency and accuracy of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural diagram of the electric height adjustment mechanism.

[0023] Figure 2 It is a structural diagram of the hydraulic height adjustment mechanism.

[0024] Figure 3 It is a structural diagram of heavy equipment and displacement adjustment mechanism. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the examples of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. In the description of the present invention, it should be explained that the positional relationships indicated by the terms "upper" and "lower" are only based on the positional relationships of the orientations shown in the drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the referred components have a specific orientation, are constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0026] Specific implementation method 1: Combination Figures 1 to 3This embodiment describes a shaft alignment system, characterized in that it includes a heavy equipment 1, an electric height adjustment mechanism 2, a hydraulic height adjustment mechanism 3, and a displacement adjustment mechanism 4. The electric height adjustment mechanism 2 and the hydraulic height adjustment mechanism 3 are both arranged on the bottom side of the heavy equipment 1, and the four displacement adjustment mechanisms 4 are evenly arranged on the sides of the heavy equipment 1.

[0027] The electric height adjustment mechanism 2 includes a first support plate 21, a first wedge block 22, a lead screw stepping motor 23, a conical slider 24, and a second wedge block 25. The first wedge block 22 is fixedly mounted on the top surface of the first support plate 21, the conical slider 24 is slidably mounted on the first wedge block 22, the lead screw in the lead screw stepping motor 23 is threadedly connected to the first wedge block 22, and the second wedge block 25 is slidably mounted on the conical slider 24 to limit the lateral displacement of the second wedge block. The vertical movement of the second wedge block 25 is achieved by starting and stopping the lead screw stepping motor 23.

[0028] The hydraulic height adjustment mechanism 3 includes a base 31, a support rod 32, a height hydraulic cylinder 33 and a second support plate 34. One end of the support rod 32 is connected to the second support plate 34, one end of the height hydraulic cylinder 33 is connected to the support rod 32, and the other ends of the support rod 32 and the height hydraulic cylinder 33 are both connected to the base 31.

[0029] The displacement adjustment mechanism 4 includes an integrated block 41 , a servo valve and a hydraulic cylinder 42 . The integrated block 41 controls the hydraulic cylinder 42 through the servo valve to complete the telescopic action.

[0030] Height displacement is adjusted through the combined action of an electric height adjustment mechanism and a hydraulic height adjustment mechanism. The hydraulic height adjustment mechanism is used to balance the weight of most heavy equipment, while the electric height adjustment mechanism is used to fine-tune the height misalignment of heavy equipment. Fore-aft and left-right misalignment is adjusted by the heavy equipment's fore-aft and left-right displacement adjustment mechanisms. The servo valves on the integrated block control the hydraulic rods of the fore-aft and left-right hydraulic cylinders to adjust the misalignment to the design allowable range. The entire alignment adjustment process is fully automatic. All the operator needs to do is fix the adjustment mechanism in the appropriate position in advance. The laser alignment instrument then transmits the initial alignment data to the central console. The various adjustment devices begin operation. After the misalignment is finally adjusted, the operator removes the adjustment mechanism. This system can enhance operator safety and environmental adaptability while improving the system's alignment efficiency and accuracy.

[0031] Specific implementation method 2: Combination Figures 1 to 3This embodiment differs from the first embodiment in that multiple electric height adjustment mechanisms 2 are provided, while the number of hydraulic height adjustment mechanisms 3 is the same as that of the electric height adjustment mechanisms 2. These two hydraulic height adjustment mechanisms 3 are evenly arranged in pairs on the underside of the heavy equipment 1. The paired use of the electric height adjustment mechanisms 2 and hydraulic height adjustment mechanisms 3 reduces the pressure on the electric height adjustment mechanisms, preventing the screw threads of the electric height adjustment mechanisms from being crushed. The remaining components and connection methods are the same as those of the first embodiment.

[0032] Specific implementation method three: Combination Figures 1 to 3 This embodiment differs from the first embodiment in that it also includes a laser plummet and a central control data transmission platform. The laser plummet is electrically connected to the central control data transmission platform, which is in turn electrically connected to the integrated circuit 41. The laser plummet is used to measure the misalignment of the heavy equipment 1. Other components and connections are the same as those in the first or second embodiment.

[0033] Specific implementation method four: Combination Figures 1 to 3 This embodiment is described. The difference between this embodiment and the first embodiment is that this embodiment further includes a displacement sensor for monitoring the displacement of the heavy equipment 1. The other components and connection methods are the same as any one of the first to third embodiments.

[0034] Specific implementation method five: Combination Figures 1 to 3 This embodiment differs from the first embodiment in that the displacement adjustment mechanism 4 includes two hydraulic cylinders 42, symmetrically arranged on either side of the manifold block 41. This symmetrical arrangement of two hydraulic cylinders 42 provides a more even distribution of force on the heavy equipment, improving operational efficiency. The remaining components and connections are identical to those of any of the first through fourth embodiments.

[0035] Specific implementation method five: Combination Figures 1 to 3 This embodiment provides a control method, which is based on a shaft alignment system described in the fourth embodiment and includes the following steps:

[0036] Step 1: Initially align the shaft system and remeasure; ensure that the initial height misalignment is ≤1mm, the front-to-back misalignment is ≤1mm, and the left-to-right misalignment is ≤1mm.

[0037] Step 2: Obtain the initial alignment data fed back by the laser plummet and transmit it to the central control data transmission platform;

[0038] Step 3: The central control data transmission platform sends displacement signals to the screw stepper motor 23 and the integrated block 41 respectively, thereby controlling the vertical movement of the second wedge block 25 and the extension and retraction of the hydraulic cylinder 42; the screw converts the precise rotational motion into linear motion through the wedge slider, thereby driving the first support plate connected to the wedge slider to move in the height direction, ultimately achieving height misalignment adjustment;

[0039] The integrated block controls the extension and retraction of the hydraulic cylinder's hydraulic rod through the servo valve, ultimately achieving misalignment adjustment in the front, rear, left, and right directions;

[0040] Step 4: Monitor the displacement of the heavy equipment 1 through the displacement sensor and feed the displacement information back to the central control data transmission platform;

[0041] Step 5: The central control data transmission platform sends displacement signals to the screw stepper motor 23 and the integrated block 41 respectively according to the displacement information fed back by the displacement sensor. Steps 4 and 5 can be executed cyclically until the centering adjustment of the heavy equipment 1 is achieved.

[0042] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A shaft alignment system, characterized in that It comprises a heavy equipment (1), an electric height adjustment mechanism (2), a hydraulic height adjustment mechanism (3) and a displacement adjustment mechanism (4); the electric height adjustment mechanism (2) and the hydraulic height adjustment mechanism (3) are both arranged on the lower side of the heavy equipment (1), and the four displacement adjustment mechanisms (4) are evenly arranged on the sides of the heavy equipment (1); The electric height adjustment mechanism (2) comprises a first support plate (21), a first wedge block (22), a lead screw stepping motor (23), a conical slider (24) and a second wedge block (25); the first wedge block (22) is fixedly mounted on the top surface of the first support plate (21), the conical slider (24) is slidably mounted on the first wedge block (22), a lead screw in the lead screw stepping motor (23) is threadedly connected to the first wedge block (22), the second wedge block (25) is slidably mounted on the conical slider (24), and the vertical movement of the second wedge block (25) is achieved by starting and stopping the lead screw stepping motor (23); The hydraulic height adjustment mechanism (3) comprises a base (31), a support rod (32), a height hydraulic cylinder (33) and a second support plate (34), one end of the support rod (32) is connected to the second support plate (34), one end of the height hydraulic cylinder (33) is connected to the support rod (32), and the other ends of the support rod (32) and the height hydraulic cylinder (33) are both connected to the base (31); The displacement adjustment mechanism (4) comprises an integrated block (41), a servo valve and a hydraulic cylinder (42); the integrated block (41) controls the hydraulic cylinder (42) through the servo valve to complete the telescopic action.

2. A shaft alignment system according to claim 1, characterized in that The number of electric height adjustment mechanisms (2) is set to be several, the number of hydraulic height adjustment mechanisms (3) is the same as the number of electric height adjustment mechanisms (2), and the electric height adjustment mechanisms (2) and the hydraulic height adjustment mechanisms (3) are evenly arranged in pairs on the lower side of the heavy equipment (1).

3. A shaft alignment system according to claim 2, characterized in that It also includes a laser centering instrument and a central control data transmission platform. The laser centering instrument is electrically connected to the central control data transmission platform, and the central control data transmission platform is electrically connected to the integrated block (41). The laser centering instrument is used to measure the misalignment of the heavy equipment (1).

4. A shaft alignment system according to claim 3, characterized in that It also includes a displacement sensor, which is used to monitor the displacement of the heavy equipment (1).

5. The shaft alignment system according to claim 1, characterized in that: The displacement adjustment mechanism (4) is provided with two hydraulic cylinders (42), and the two hydraulic cylinders (42) are symmetrically arranged on both sides of the integrated block (41).

6. A control method, characterized in that: The control method is based on the shaft alignment system according to claim 4, and includes the following steps: Step 1: Initially align the shafting and re-measure it; Step 2: Obtain the initial alignment data fed back by the laser plummet and transmit it to the central control data transmission platform; Step 3: The central control data transmission platform sends displacement signals to the screw stepping motor (23) and the integrated block (41) respectively, thereby controlling the vertical movement of the second wedge block (25) and the extension and retraction of the hydraulic cylinder (42); Step 4: monitor the displacement of the heavy equipment (1) through the displacement sensor and feed the displacement information back to the central control data transmission station; Step 5: The central control data transmission platform sends displacement signals to the screw stepper motor (23) and the integrated block (41) respectively according to the displacement information fed back by the displacement sensor, thereby realizing the centering adjustment of the heavy equipment (1).

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