A method and system for quickly adjusting the load of ultra-long shaft bearings based on load

Abstract

The present invention discloses a method and system for quickly adjusting the bearing load of an ultra-long shaft system based on load in the technical field of ultra-long shaft system alignment, including: S20: determining the position information of adjustable bearings and the number of adjustable bearings according to the bearing and cabin arrangement information and the shaft system alignment process information; S30: establishing a fast adjustment algorithm for bearing load according to the reasonable alignment calculation information of the shaft system, the position information of adjustable bearings and the number of adjustable bearings; S40: calculating the displacement adjustment information of adjustable bearings according to the measured bearing load information and the fast adjustment algorithm for bearing loads; S50: generating a fast adjustment operation instruction for bearing load according to the displacement adjustment information of adjustable bearings. The present invention realizes the construction process of adjusting all adjustable bearings at the same time, changes the construction mode of trial and error adjustment of bearing loads of ultra-long shaft systems, which is inefficient and adjusted one by one, and can significantly improve the construction efficiency of shaft system alignment.

Description

Technical Field

[0001] The invention relates to the technical field of ultra-long shaft alignment, and in particular to a method and system for quickly adjusting the load of an ultra-long shaft bearing based on a load. Background Art

[0002] Extra-long shaft alignment refers to the work of installing the extra-long shaft on the hull through bearings in the ship assembly plant, which is a key operation in the ship construction process. In order to ensure the smooth progress of the extra-long shaft operation, the construction unit (ship assembly plant) needs to perform reasonable shaft alignment calculations and strict shaft alignment construction. The quality of the shaft alignment construction directly determines the shaft installation efficiency and shaft operation safety performance.

[0003] The existing method for adjusting the load of bearings in super-long shaft systems is a trial-and-error construction mode, which makes all bearings of the super-long shaft system meet the design requirements by repeatedly adjusting multiple adjustable bearings one by one, but has the problem of low efficiency. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a load-based method for quickly adjusting the load of an ultra-long shaft system bearing, so as to solve the technical problem of low efficiency of the existing method for adjusting the load of an ultra-long shaft system bearing.

[0005] The technical solution adopted by the present invention is: a method for quickly adjusting the load of an ultra-long shaft bearing based on load, comprising:

[0006] S20: Determine the adjustable bearing position information and the adjustable bearing quantity information according to the bearing and nacelle arrangement information and the shafting alignment process information;

[0007] S30: establishing a bearing load rapid adjustment algorithm according to the shaft system reasonable alignment calculation information, the adjustable bearing position information and the adjustable bearing quantity information;

[0008] S40: calculating the adjustable bearing displacement adjustment information according to the measured bearing load information and the bearing load rapid adjustment algorithm;

[0009] S50: generating a bearing load quick adjustment operation instruction book according to the adjustable bearing displacement adjustment information, which is used for a single in-place adjustment operation of the adjustable bearing of the super-long shaft system.

[0010] Preferably, the S30 specifically includes:

[0011] S31: Obtaining a bearing load theoretical value, a bearing displacement theoretical value, and a bearing load influence coefficient according to the shaft system reasonable alignment calculation information;

[0012] S32: establishing a mapping relationship between the bearing load and the bearing displacement according to the bearing load theoretical value, the bearing displacement theoretical value and the bearing load influence coefficient;

[0013] S33: establishing a mapping relationship between a bearing load change and an adjustable bearing displacement according to the mapping relationship between the bearing load and the bearing displacement, the adjustable bearing position information, and the adjustable bearing quantity information;

[0014] S34: establishing a mapping relationship between a measurable bearing load change and an adjustable bearing displacement according to the mapping relationship between the bearing load change and the adjustable bearing displacement.

[0015] Preferably, the S40 specifically includes:

[0016] S41: obtaining a deviation value between a measured bearing load value of a measurable bearing and a theoretical bearing load value calculated by reasonable alignment of the shaft system according to the measured bearing load information;

[0017] S42: Calculate the displacement adjustment amount of all adjustable bearings according to the deviation value between the measured bearing load value of the measurable bearing and the theoretical bearing load value calculated by the reasonable alignment of the shaft system, and the bearing load rapid adjustment algorithm.

[0018] Preferably, the S40 further includes:

[0019] S43: Perform reasonable shaft alignment calculations based on the bearing displacement adjustments of all adjustable bearings until all bearing loads meet the requirements.

[0020] Preferably, the S50 specifically includes: generating an operation instruction for rapid adjustment of the bearing load of the super-long shaft system based on the shaft system centering process according to the adjustable bearing displacement adjustment information, which is used to determine the single adjustment operation sequence and displacement adjustment amount of the adjustable bearing of the super-long shaft system.

[0021] Preferably, in S20, the bearing and cabin arrangement information includes: the structural form, structural dimensions, allowable load and weight center of gravity data of the super-long shaft system shaft segment and the bearing.

[0022] Preferably, in S30, the shaft system reasonable alignment calculation information includes: a bearing load theoretical value, a bearing displacement theoretical value and a bearing load influence coefficient.

[0023] Preferably, in S40, the measured bearing load information includes: measurable bearing position information, measurable bearing quantity information and measurable bearing load values.

[0024] Preferably, the method further includes S10: obtaining the bearing and nacelle arrangement information of the super-long shaft system, shaft system alignment process information, shaft system reasonable alignment calculation information and measured bearing load information.

[0025] Another object of the present invention is to provide a load-based ultra-long shaft bearing load rapid adjustment system, comprising:

[0026] Data acquisition module, used to obtain the bearing and nacelle arrangement information of the super-long shaft system, the shaft system reasonable alignment calculation information, the shaft system alignment process information and the measured bearing load information;

[0027] An adjustable bearing determination module, the adjustable bearing determination module is electrically connected to the data acquisition module, and is used to determine the adjustable bearing position information and the adjustable bearing quantity information according to the bearing and nacelle arrangement information and the shafting alignment process information;

[0028] A displacement adjustment amount calculation module, the displacement adjustment amount calculation module is electrically connected to the data acquisition module and the adjustable bearing determination module, and is used to calculate the displacement adjustment amount of the adjustable bearing according to the shaft system reasonable alignment calculation information, the adjustable bearing position information and the adjustable bearing quantity information, and the measured bearing load information;

[0029] A data output module, the data output module is electrically connected to the displacement adjustment amount calculation module, and is used to generate a bearing load rapid adjustment operation instruction book corresponding to the adjustable bearing displacement adjustment amount.

[0030] Beneficial effects of the present invention:

[0031] The present invention first determines the position information and quantity information of the adjustable bearings of the super-long shaft system, and then establishes a bearing load rapid adjustment algorithm between the adjustable bearing and the measured bearing according to a reasonable shaft system alignment method; then determines the adjustable bearing displacement adjustment amount according to the measured bearing load information; finally, generates a bearing load rapid adjustment operation instruction book according to the adjustable bearing displacement adjustment amount and the shaft system alignment process, which is used to guide the construction process of adjusting all adjustable bearings at the same time, realizes a single in-place adjustment operation of multiple bearings, which not only improves the accuracy of the adjustable bearing displacement adjustment, but also greatly improves the bearing load adjustment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a flow chart of a method for quickly adjusting the load of an ultra-long shaft bearing based on load of the present invention;

[0033] Figure 2 It is a structural schematic diagram of a load-based ultra-long shaft bearing load rapid adjustment system of the present invention. DETAILED DESCRIPTION

[0034] The specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings. These embodiments are only used to illustrate the present invention, but not to limit the present invention.

[0035] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Furthermore, in the description of the present invention, unless otherwise specified, “plurality” means two or more.

[0038] Examples, such as Figure 1 As shown, a method for quickly adjusting the load of an ultra-long shaft bearing based on load includes:

[0039] S10: Obtaining the bearing and nacelle arrangement information of the super-long shaft system, shaft system alignment process information, shaft system reasonable alignment calculation information and measured bearing load information;

[0040] S20: Determine the adjustable bearing position information and the adjustable bearing quantity information according to the bearing and nacelle arrangement information and the shafting alignment process information;

[0041] S30: establishing a bearing load rapid adjustment algorithm according to the shaft system reasonable alignment calculation information, adjustable bearing position information and adjustable bearing quantity information;

[0042] S40: calculating the adjustable bearing displacement adjustment information according to the measured bearing load information and the bearing load rapid adjustment algorithm;

[0043] S50: Generate a bearing load quick adjustment operation instruction book based on the adjustable bearing displacement adjustment information, which is used for a single in-place adjustment operation of the adjustable bearing of an ultra-long shaft system.

[0044] The present application first determines the adjustable bearing position information and the adjustable bearing quantity information according to the bearing and cabin layout information of the super-long shaft system and the shaft system alignment process information; then establishes a bearing load rapid adjustment algorithm according to the shaft system reasonable alignment calculation information, the adjustable bearing position information and the adjustable bearing quantity information; then determines the adjustable bearing displacement adjustment amount according to the measured bearing load information and the bearing load rapid adjustment algorithm; finally, generates a bearing load rapid adjustment operation instruction book according to the adjustable bearing displacement adjustment amount and the shaft system alignment process information, which is used to guide the construction process of adjusting all adjustable bearings at the same time, realizes a single in-place adjustment of multiple bearings, and greatly improves the bearing load adjustment efficiency.

[0045] In a specific embodiment, S30 specifically includes:

[0046] S31: Obtain the theoretical bearing load value, theoretical bearing displacement value and bearing load influence coefficient of all bearings of the super-long shaft system based on the reasonable shaft system alignment calculation information; wherein, the bearing load influence coefficient refers to the influence of the bearing displacement on its own and adjacent bearing loads. For example, when a single bearing is vertically lifted by one millimeter, the change in the bearing load of itself and its adjacent bearings is the bearing load influence coefficient.

[0047] S32: establishing a mapping relationship between the bearing load and the bearing displacement according to the bearing load theoretical value, the bearing displacement theoretical value and the bearing load influence coefficient;

[0048] S33: establishing a mapping relationship between a bearing load change and an adjustable bearing displacement according to a mapping relationship between a bearing load and a bearing displacement, and information about a position of an adjustable bearing and information about a number of adjustable bearings;

[0049] S34: establishing a mapping relationship between a measurable bearing load change and an adjustable bearing displacement according to the mapping relationship between the bearing load change and the adjustable bearing displacement.

[0050] With such a setting, by obtaining the mapping relationship between the bearing load and the bearing displacement in the shaft system reasonable alignment calculation information, the mapping relationship between the measurable bearing load change and the adjustable bearing displacement can be indirectly established, thereby realizing the establishment of a fast bearing load adjustment algorithm.

[0051] In a specific embodiment, S40 specifically includes:

[0052] S41: obtaining a deviation value between a measured bearing load value of a measurable bearing and a theoretical bearing load value calculated by reasonable alignment of the shaft system according to the measured bearing load information;

[0053] S42: calculating the displacement adjustment amount of all adjustable bearings according to the deviation value between the measured bearing load value of the measurable bearing and the theoretical value of the bearing load calculated by the reasonable alignment of the shaft system, and the bearing load rapid adjustment algorithm;

[0054] S43: Perform reasonable shaft alignment calculations based on the bearing displacement adjustments of all adjustable bearings until all bearing loads meet the requirements.

[0055] With such a setting, the displacement adjustment amounts of all adjustable bearings are calculated by the bearing load rapid adjustment algorithm, and the displacement adjustment amounts of the adjustable bearings are verified by using the reasonable axis system alignment calculation, so the displacement adjustment amounts of all adjustable bearings that meet the design requirements can be directly obtained.

[0056] In a specific embodiment, in S20, the bearing and cabin layout information includes: the structural form, structural dimensions, allowable load and weight center of gravity data of the super-long shaft system shaft segment and the bearing; wherein the bearing and cabin layout information can be manually input or imported from an Excel spreadsheet. In this way, by obtaining the bearing and cabin layout information, the propeller weight, bearing quantity information, bearing category, bearing size information, and the connection structure information between the bearing and the shaft segment of the super-long shaft system can be obtained, which is convenient for determining the position and quantity of all adjustable bearings and measurable bearings in the super-long shaft system.

[0057] In a specific embodiment, in S30, the shaft system reasonable alignment calculation information includes: bearing load theoretical value, bearing displacement theoretical value and bearing load influence coefficient. In this way, by obtaining the shaft system reasonable alignment calculation information, the mapping relationship between the bearing displacement and the bearing load on the super-long shaft system can be obtained, which is convenient for establishing the mapping relationship between the bearing displacement of the adjustable bearing and the bearing load of the measured bearing, and realizing the establishment of a fast bearing load adjustment algorithm.

[0058] In a specific embodiment, in S40, the measured bearing load information includes: measurable bearing position information, measurable bearing quantity information and measurable bearing measured bearing load value. In this way, by obtaining the measured bearing load information and using the mapping relationship between the measured bearing load and the bearing displacement of the adjustable bearing in the bearing load rapid adjustment algorithm, the displacement adjustment amount of all adjustable bearings is quickly calculated to achieve synchronous adjustment of all adjustable bearings of the super-long shaft system.

[0059] Embodiment, a system for quickly adjusting the load of an ultra-long shaft bearing based on load, such as Figure 2 As shown, including:

[0060] Data acquisition module, used to obtain the bearing and nacelle arrangement information of the super-long shaft system, the shaft system reasonable alignment calculation information, the shaft system alignment process information and the measured bearing load information;

[0061] An adjustable bearing determination module, which is electrically connected to the data acquisition module and is used to determine the adjustable bearing position information and the adjustable bearing quantity information according to the bearing and cabin arrangement information and the shafting alignment process information;

[0062] The displacement adjustment amount calculation module is electrically connected to the data acquisition module and the adjustable bearing determination module respectively, and is used to establish a bearing load rapid adjustment algorithm based on the shaft system reasonable alignment calculation information, the adjustable bearing position information and the adjustable bearing quantity information, and calculate the adjustable bearing displacement adjustment amount based on the bearing load rapid adjustment algorithm and the measured bearing load information.

[0063] The data output module is electrically connected to the displacement adjustment amount calculation module and the data acquisition module, and is used to generate a bearing load rapid adjustment operation instruction book corresponding to the adjustable bearing displacement adjustment amount according to the shaft system alignment process information.

[0064] Compared with the prior art, this application has at least the following beneficial technical effects:

[0065] The present application first determines the adjustable bearing position information and the adjustable bearing quantity information according to the bearing and cabin layout information of the super-long shaft system and the shaft system alignment process information; then establishes the bearing load rapid adjustment algorithm of the super-long shaft system according to the reasonable shaft system alignment calculation information and the adjustable bearing position information and the adjustable bearing quantity information; then determines the displacement adjustment information of all adjustable bearings according to the measured bearing load information and the bearing load rapid adjustment algorithm; finally, generates a bearing load rapid adjustment operation instruction book according to the displacement adjustment information of the adjustable bearing, which is used to guide the construction process of adjusting all adjustable bearings at the same time, thus changing the bearing load trial adjustment construction mode of adjusting the super-long shaft system one by one and being inefficient, and can significantly improve the shaft system alignment construction efficiency, which is conducive to achieving more efficient and reliable construction operation guidance.

[0066] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A method for quickly adjusting the load of an ultra-long shaft bearing based on load, characterized in that: include: S20: Determine the adjustable bearing position information and the adjustable bearing quantity information according to the bearing and nacelle arrangement information and the shafting alignment process information; S30: establishing a bearing load rapid adjustment algorithm according to the shaft system reasonable alignment calculation information, the adjustable bearing position information and the adjustable bearing quantity information; S40: calculating the adjustable bearing displacement adjustment information according to the measured bearing load information and the bearing load rapid adjustment algorithm; S50: generating a bearing load quick adjustment operation instruction book according to the adjustable bearing displacement adjustment information, which is used for a single in-place adjustment operation of the adjustable bearing of the super-long shaft system; The S30 specifically includes: S31: Obtaining a bearing load theoretical value, a bearing displacement theoretical value, and a bearing load influence coefficient according to the shaft system reasonable alignment calculation information; S32: establishing a mapping relationship between the bearing load and the bearing displacement according to the bearing load theoretical value, the bearing displacement theoretical value and the bearing load influence coefficient; S33: establishing a mapping relationship between a bearing load change and an adjustable bearing displacement according to the mapping relationship between the bearing load and the bearing displacement, the adjustable bearing position information, and the adjustable bearing quantity information; S34: establishing a mapping relationship between a measurable bearing load change and an adjustable bearing displacement according to the mapping relationship between the bearing load change and the adjustable bearing displacement; The S40 specifically includes: S41: obtaining a deviation value between a measured bearing load value of a measurable bearing and a theoretical bearing load value calculated by reasonable alignment of the shaft system according to the measured bearing load information; S42: Calculate the displacement adjustment amount of all adjustable bearings according to the deviation value between the measured bearing load value of the measurable bearing and the theoretical bearing load value calculated by the reasonable alignment of the shaft system, and the bearing load rapid adjustment algorithm.

2. A method for rapid load adjustment of ultra-long shaft bearings based on load according to claim 1, characterized in that: The S40 further includes: S43: Perform reasonable shaft alignment calculations based on the bearing displacement adjustments of all adjustable bearings until all bearing loads meet the requirements.

3. The method for rapid load adjustment of ultra-long shaft bearings based on load according to claim 1 is characterized in that: The S50 specifically includes: generating, according to the adjustable bearing displacement adjustment information and based on the shaft system centering process, an operation instruction for rapid adjustment of the bearing load of the super-long shaft system, which is used to determine a single adjustment operation sequence and displacement adjustment amount of the adjustable bearing of the super-long shaft system.

4. The method for rapid load adjustment of ultra-long shaft bearings based on load according to claim 1 is characterized in that: In the S20, the bearing and cabin arrangement information includes: the structural form, structural dimensions, allowable load and weight center of gravity data of the super-long shaft system shaft segment and the bearing.

5. The method for rapid load adjustment of ultra-long shaft bearings based on load according to claim 1 is characterized in that: In the above S30, the shaft system reasonable alignment calculation information includes: a bearing load theoretical value, a bearing displacement theoretical value and a bearing load influence coefficient.

6. The method for rapid load adjustment of ultra-long shaft bearings based on load according to claim 1 is characterized in that: In the S40, the measured bearing load information includes: measurable bearing position information, measurable bearing quantity information and measurable bearing load values.

7. The method for rapid load adjustment of ultra-long shaft bearings based on load according to claim 1 is characterized in that: The method further includes S10: obtaining the bearing and nacelle arrangement information of the super-long shaft system, shaft system alignment process information, shaft system reasonable alignment calculation information and measured bearing load information.

8. A load-based quick adjustment system for ultra-long shaft bearing load, characterized in that: include: Data acquisition module, used to obtain the bearing and nacelle arrangement information of the super-long shaft system, the shaft system reasonable alignment calculation information, the shaft system alignment process information and the measured bearing load information; An adjustable bearing determination module, the adjustable bearing determination module is electrically connected to the data acquisition module, and is used to determine the adjustable bearing position information and the adjustable bearing quantity information according to the bearing and nacelle arrangement information and the shafting alignment process information; A displacement adjustment amount calculation module, the displacement adjustment amount calculation module is electrically connected to the data acquisition module and the adjustable bearing determination module, and is used to calculate the displacement adjustment amount of the adjustable bearing according to the shaft system reasonable alignment calculation information, the adjustable bearing position information and the adjustable bearing quantity information, and the measured bearing load information; A data output module, the data output module is electrically connected to the displacement adjustment amount calculation module, and is used to generate a bearing load quick adjustment operation instruction book corresponding to the adjustable bearing displacement adjustment amount; The method for obtaining the displacement adjustment amount of the adjustable bearing is as follows: According to the shaft system reasonable alignment calculation information, the bearing load theoretical value, the bearing displacement theoretical value and the bearing load influence coefficient are obtained; A mapping relationship between bearing load and bearing displacement is established according to the bearing load theoretical value, bearing displacement theoretical value and bearing load influence coefficient; Establishing a mapping relationship between a bearing load change and an adjustable bearing displacement according to the mapping relationship between the bearing load and the bearing displacement, as well as the adjustable bearing position information and the adjustable bearing quantity information; Establishing a mapping relationship between a measurable bearing load change and an adjustable bearing displacement according to the mapping relationship between the bearing load change and the adjustable bearing displacement; Obtaining, according to the measured bearing load information, a deviation value between the measured bearing load value of the measurable bearing and the theoretical bearing load value calculated by reasonable alignment of the shaft system; The displacement adjustment amounts of all adjustable bearings are calculated based on the deviation between the measured bearing load value of the measurable bearing and the theoretical bearing load value calculated by the reasonable calibration of the shaft system, and the mapping relationship between the measurable bearing load change and the adjustable bearing displacement.

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