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CN-115267924-B - Land test protection device for driving mechanism and installation method

CN115267924BCN 115267924 BCN115267924 BCN 115267924BCN-115267924-B

Abstract

The invention provides a land test protection device of a driving mechanism and an installation method, the land test protection device comprises a supporting device, the supporting device comprises supporting columns and supporting column fixing pieces, the supporting column fixing pieces are respectively and correspondingly arranged at the lower end of an upper platform of a land test bench and the upper end of a lower platform, the supporting columns are arranged between the two supporting column fixing pieces, the sliding protection device comprises a sliding rail, the sliding rail is tightly attached to the supporting columns and is vertically arranged on the supporting column, the sliding rail is further provided with a sliding bracket device and a self-locking stepping motor arranged at the lower end of the sliding rail, the control device comprises a main controller and an uninterruptible power supply, the uninterruptible power supply is connected with the main controller through a special cable, the main controller is connected with the self-locking stepping motor through a control cable, the potential risk that the verticality is affected by falling of a driving mechanism screw rod is effectively avoided, the safety and the reliability of a land test of the driving mechanism are improved, and the land test protection device is suitable for being applied as the land test protection device of the driving mechanism and the installation method.

Inventors

  • CAO LIGANG
  • TAN PENG
  • ZHANG KAI
  • YUAN GANG
  • LIU PINGPING
  • ZHU XIAOGUANG
  • SUN YU

Assignees

  • 渤海造船厂集团有限公司

Dates

Publication Date
20260508
Application Date
20220718

Claims (7)

  1. 1. The utility model provides a drive mechanism land test protection device, includes land test bench, its characterized in that: the device also comprises a supporting device, a sliding protection device and a control device; The support device comprises support columns (1) and support column fixing pieces (2), wherein the support column fixing pieces (2) are respectively and correspondingly arranged at the lower end of an upper platform and the upper end of a lower platform of the land test stand, and the support columns (1) are arranged between the two support column fixing pieces (2) and serve as main supports of the sliding protection device; The sliding protection device comprises a sliding track (3), wherein the sliding track (3) is tightly attached to the supporting column (1) and is vertically arranged on the supporting column, a sliding bracket device (4) is further arranged on the sliding track (3), the sliding bracket device (4) can vertically reciprocate along the sliding track (3), and a self-locking stepping motor (5) is arranged at the lower end of the sliding track (3), and the self-locking stepping motor (5) provides power for the movement of the sliding bracket device (4); The sliding bracket device (4) comprises a sliding table (4.1) and a bracket (4.2), wherein the sliding bracket device (4) is slidably arranged on the sliding rail (3) through the sliding table (4.1); The sliding table (4.1) is assembled on the sliding rail (3) and driven by the self-locking stepping motor (5) to enable the sliding table to vertically reciprocate along the sliding rail (3); the bracket (4.2) comprises a first end plate (4.2.1) and a second end plate (4.2.2), the first end plate (4.2.1) is fixedly arranged on the sliding table (4.1), and the second end plate (4.2.2) is vertically arranged at the lower end of the first end plate (4.2.1) so that the bracket (4.2) is L-shaped as a whole; The self-locking stepping motor also comprises an inductive metal detector (10), wherein the inductive metal detector (10) is arranged on the inner side of a first end plate (4.2.1) of the bracket (4.2) and is connected with the self-locking stepping motor (5) through a protection signal cable (18); The control device comprises a main controller (6) and an uninterruptible power supply (7), wherein the uninterruptible power supply (7) is connected with the main controller (6) through a special cable (8), the uninterruptible power supply (7) provides a stable uninterruptible power supply for the protection device, and the main controller (6) is connected with the self-locking stepping motor (5) through a control cable (9).
  2. 2. A drive mechanism land test protection device in accordance with claim 1, wherein: The setting position of the support column fixing piece (2) can be adjusted according to the position of the driving mechanism mounted on the land test bed, and the mounting position of the support column (1) also moves along with the setting position.
  3. 3. A drive mechanism land test protection device in accordance with claim 1, wherein: The sliding rail (3) is detachably mounted on the support column (1) through a fastening bolt (11), and the mounting height can be adjusted.
  4. 4. A drive mechanism land test protection device in accordance with claim 1, wherein: the first end plate (4.2.1) is detachably mounted on the sliding table (4.1) through a fastening bolt (11), and the height and the position of the bracket (4.2) can be adjusted by adjusting the height and the position of the first end plate (4.2.1) relative to the sliding table (4.1).
  5. 5. A drive mechanism land test protection device in accordance with claim 1, wherein: The control device also comprises a signal cable (12), and the main controller (6) is communicated with a driving mechanism debugging power supply (13) through the signal cable (12).
  6. 6. A method for installing a land test protection device of a driving mechanism is characterized in that: use of a drive mechanism land test protection device according to any one of claims 1-5, comprising the steps of: The test bench comprises a driving mechanism (15) located above a land test bench, wherein the lower end of the driving mechanism (15) is connected with a lead screw (16), the lead screw (16) vertically extends downwards into the test bench, and the lower end of the lead screw (16) is provided with a metal simulation weight piece (17); s2, the driving mechanism (15) is also connected with a driving mechanism debugging power supply (13) through a power cable (14), and the driving mechanism debugging power supply (13) provides electric energy for the operation of the driving mechanism (15) and transmits the electric energy to the driving mechanism (15) through the power cable (14); s3, installing a supporting device; according to the position where the driving mechanism (15) and the lead screw (16) which is vertically installed downwards are erected on the test bench, the installation position of the support column fixing piece (2) is determined, the support column fixing piece (2) is correspondingly installed at the lower end of the upper platform and the upper end of the lower platform of the land test bench respectively, and a support column (1) is installed between the two support column fixing pieces; S4, installing a sliding protection device; The self-locking stepping motor (5) is arranged below the sliding rail (3), the sliding bracket device (4) is arranged on the sliding rail (3), and the sliding bracket device (4) can vertically slide on the sliding rail (3) and is used for receiving a simulated weight (17); S5, connecting a control device; The method comprises the steps of installing a main controller (6), wherein the main controller (6) is connected with an original driving mechanism debugging power supply (13) on a land test bench through a signal cable (12); The main controller (6) is also connected with an uninterruptible power supply (7) through a special cable (8), and the uninterruptible power supply (7) provides a stable uninterruptible power supply for the protection device; the main controller (6) is connected with the self-locking stepping motor (5) through a control cable (9); the inspection circuit completes the installation.
  7. 7. The method of installing a drive mechanism land test protector as set forth in claim 6, wherein: And S5, connecting the control device, and further comprising an inductive metal detector (10) arranged on the sliding bracket device (4), wherein the inductive metal detector (10) is electrically connected with the main controller (6).

Description

Land test protection device for driving mechanism and installation method Technical Field The invention relates to a test protection device in the field of ship driving mechanisms, in particular to a land test protection device for a driving mechanism and an installation method. Background The driving mechanism is key equipment for realizing safe operation and control in a ship power system, preinstallation and equipment operation test are carried out on land before the driving mechanism is formally installed on a ship body, and the related electric working state and mechanical performance are verified, so that the purposes of checking whether the assembly state and related performance parameters of the driving mechanism meet the formal installation requirements are achieved, and a special debugging power supply can be used in a detection test. At present, the debugging power supply for the driving mechanism test basically considers the failure risk of power failure of the field environment power supply during design and manufacture, and also makes corresponding precautions, but the failure of verification of the design concept and related tests is limited, the risk that the lead screw in the driving mechanism falls from a high position due to the reasons of damage and aging failure of key main control devices in the debugging power supply, human misoperation and the like is not considered, the lead screw falls from a high position to cause the imperceptible damage such as deformation, abrasion and the like, thereby affecting the verticality of the lead screw part of the driving mechanism, directly affecting the detection result, and being not easily perceived by test staff. Because the screw belongs to a critical component in the driving mechanism assembly, the screw has extremely strict requirement on the verticality, and the screw is prevented from falling caused by man-made, electric or mechanical faults, so that the verticality of the screw is changed, and the testing parameters of the driving mechanism are affected. Disclosure of Invention The invention provides a land test protection device for a driving mechanism, which solves the problem of verticality change caused by falling of a lead screw of the driving mechanism due to damage and aging faults or manual operation errors of a key main control device in the existing driving mechanism debugging power supply. The invention solves the technical problems by adopting the scheme that: a driving mechanism land test protection device comprises a land test bench, a supporting device, a sliding protection device and a control device; The support device comprises support columns and support column fixing pieces, wherein the support column fixing pieces are respectively and correspondingly arranged at the lower end of an upper platform and the upper end of a lower platform of the land test bed, and the support columns are arranged between the two support column fixing pieces and serve as main supports of the sliding protection device; The sliding protection device comprises a sliding track, a sliding bracket device and a self-locking stepping motor, wherein the sliding track is tightly attached to the supporting column and is vertically arranged on the supporting column; The control device comprises a main controller and an uninterruptible power supply, wherein the uninterruptible power supply is connected with the main controller through a special cable, the uninterruptible power supply provides a stable uninterruptible power supply for the protection device, and the main controller is connected with the self-locking stepping motor through a control cable. The sliding bracket device comprises a sliding table and a bracket, wherein the sliding bracket device is arranged on the sliding rail in a sliding manner through the sliding table, the sliding table is assembled on the sliding rail and driven by the self-locking stepping motor to enable the sliding table to vertically reciprocate along the sliding rail, the bracket comprises a first end plate and a second end plate, the first end plate is fixedly arranged on the sliding table, and the second end plate is vertically arranged at the lower end of the first end plate to enable the bracket to be in an L shape as a whole. The self-locking stepping motor is characterized by further comprising an inductive metal detector, wherein the inductive metal detector is arranged on the inner side of the first end plate of the bracket and is connected with the self-locking stepping motor through a protection signal cable. The positive effects are as follows: according to the invention, the supporting device is erected on the land test bed, the sliding protection device is arranged on the supporting device, and the control device is connected with the sliding protection device, so that the self-locking stepping motor is controlled by the main controller to drive the sliding bracket device to follow the screw rod below the