CN111637811A - Method for quickly adjusting height of steel wire of ship piano - Google Patents

Method for quickly adjusting height of steel wire of ship piano Download PDF

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Publication number
CN111637811A
CN111637811A CN202010307468.0A CN202010307468A CN111637811A CN 111637811 A CN111637811 A CN 111637811A CN 202010307468 A CN202010307468 A CN 202010307468A CN 111637811 A CN111637811 A CN 111637811A
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China
Prior art keywords
piano
adjusting
equipment
wire
piano wire
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Pending
Application number
CN202010307468.0A
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Chinese (zh)
Inventor
陆书文
何江华
黄云峰
吴建高
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hudong Zhonghua Shipbuilding Group Co Ltd
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Hudong Zhonghua Shipbuilding Group Co Ltd
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Publication date
Application filed by Hudong Zhonghua Shipbuilding Group Co Ltd filed Critical Hudong Zhonghua Shipbuilding Group Co Ltd
Priority to CN202010307468.0A priority Critical patent/CN111637811A/en
Publication of CN111637811A publication Critical patent/CN111637811A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
    • G01B5/061—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness height gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention discloses a method for quickly adjusting the height of a steel wire of a ship piano, which comprises the following steps: manufacturing a supporting tool; two fixing devices are oppositely arranged on the equipment base, two end parts of the piano wire are respectively fastened in the corresponding fixing devices, and the piano wire is tensioned to a required moment; placing the supporting tools at two ends of the piano wire and enabling the adjusting pieces to support the piano wire; adjusting the adjusting piece to enable the distances between the piano steel wires at the measuring points at the head end and the tail end of the equipment to be equal to the distance between the upper end faces of the equipment base; and selecting a plurality of measuring points at the positions between the first and the last measuring points, and respectively measuring the distance from the piano wire at each measuring point to the upper end face of the equipment base. The invention can quickly adjust the height of the piano wire of the ship by utilizing the special supporting tool, saves a large amount of manpower and material resources, and is suitable for adjusting and measuring the piano wires of all ships.

Description

Method for quickly adjusting height of steel wire of ship piano
Technical Field
The invention relates to a device piano wire measuring technology in ship manufacturing, in particular to a method for quickly adjusting the height of a piano wire of a ship.
Background
In order to ensure the service performance of a plurality of important equipment on the ship, the piano steel wire is required to be pulled to measure the levelness and the torsion resistance of the equipment when the main engine, the gear box and other important equipment are installed and adjusted, so that the equipment is ensured to be in a good installation state.
For the measurement of the tension of the piano wire of these important devices, the conventional method is carried out as follows (as shown in fig. 1):
Figure DEST_PATH_IMAGE002
installing a piano wire on the equipment and tensioning the piano wire to a required moment;
placing cushion blocks with the same height basically under the piano steel wires at two ends of the equipment;
measuring the distance from the piano wire at the measuring points at the first end and the last end of the equipment to the equipment by using a dial indicator;
adjusting the position of the cushion block or polishing the cushion block until the distances between the piano steel wires and the equipment at the measuring points at the two ends of the equipment are equal (the precision is 0.01 mm);
and fifthly, measuring the distance between each point of the steel wire between the measuring points at the first end and the last end to the equipment, and calculating the levelness and the torsion of the equipment for subsequent adjustment.
In the actual implementation process of the method, due to the influence of factors such as the processing precision and the use abrasion of the cushion block and the influence of the precision of measuring equipment such as a dial indicator, the distance between the piano wire at the measuring points at the first end and the last end of the equipment and the equipment is difficult to be adjusted to be equal by using the cushion block. Often need remove the cushion many times, polish the cushion or stack up other things on the cushion and reach the purpose, waste a large amount of time, efficiency is very low.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and designs a method for quickly adjusting the height of a steel wire of a ship piano.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a method for quickly adjusting the height of a steel wire of a ship piano specifically comprises the following steps;
step 1: manufacturing a supporting tool;
the supporting tool comprises a supporting part and an adjusting part which can move up and down on the supporting part;
step 2: two fixing devices are oppositely arranged on the equipment base, two end parts of the piano wire are respectively fastened in the corresponding fixing devices, and the piano wire is tensioned to a required moment;
and step 3: placing the supporting tools at two ends of the piano wire and enabling the adjusting pieces to support the piano wire;
and 4, step 4: adjusting the adjusting piece to enable the distances between the piano steel wires at the measuring points at the head end and the tail end of the equipment to be equal to the distance between the upper end faces of the equipment base;
and 5: and selecting a plurality of measuring points at the positions between the first and the last measuring points, respectively measuring the distance between the piano wire at each measuring point and the upper end face of the equipment base, and calculating the levelness and the torsion of the equipment according to the measuring result.
Preferably, the support member includes a base and a screw rod vertically fixed on the upper end surface of the base, the adjusting member is fixed on the screw rod in a threaded manner, a groove for the piano wire to pass through is formed in the screw rod, and the groove is axially formed in the top of the screw rod and extends towards the bottom of the screw rod.
Preferably, the support piece is a bolt with a groove formed in a screw rod, and the adjusting piece is a nut matched with the bolt.
Preferably, the bolt is a hexagon bolt, and the nut is a hexagon nut.
Preferably, the distance between the groove bottom of the groove and the upper end face of the base is 5mm-10 mm.
Preferably, the groove width of the groove is 1mm to 1.5 mm.
Preferably, the specific steps of adjusting the adjusting part in step 4 to make the distances between the piano wire at the measuring points at the head and tail ends of the device and the upper end face of the device base equal are as follows:
measuring the distance from the piano wire at the measuring points at the head end and the tail end of the equipment to the upper end face of the equipment base by using a dial indicator; if the distances from the piano steel wires at the measuring points at the first end and the last end to the upper end face of the equipment base are unequal, the adjusting piece is screwed up and down to adjust the height of the piano steel wires until the distances from the piano steel wires at the measuring points at the two ends of the equipment to the upper end face of the equipment base are equal.
Preferably, the measurement accuracy error of the distance between the piano wire at the measurement points at the head end and the tail end and the upper end face of the equipment base is controlled within 0.01 mm.
The invention has the following positive beneficial effects: the method can quickly adjust the height of the steel wire of the ship piano by utilizing the special supporting tool, saves a large amount of manpower and material resources, has low material and manufacturing cost and greatly reduces the production cost of enterprises. Meanwhile, the method is suitable for adjusting and measuring the piano wire of all ships, and has a very wide application range.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a measurement diagram illustrating a conventional adjustment of a piano wire using a spacer.
Fig. 2 is a schematic structural view of the support member.
Fig. 3 is a schematic view of the measurement of the tuning of the piano wire using the present invention.
The specific meanings of the reference numbers in the figures are:
1 is support piece, 2 is the regulating part, 3 is the base, 4 is the screw rod, 5 is the recess, 6 is the musical instrument steel wire, 7 is fixing device, 8 is the supporting tool, 9 is the equipment base, 10 is the cushion, 11 is the head end measuring point, 12 is terminal measuring point.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the first embodiment, the method for quickly adjusting the height of the steel wire of the ship piano provided by the invention is described by combining the accompanying drawings, and specifically comprises the following steps;
step 1: the supporting tool 8 is made.
The support means 8 comprises a support 1 and an adjusting member 2 which is movable up and down on the support 1.
The supporting piece 1 comprises a base 3 and a screw rod 4 vertically fixed on the upper end face of the base 3, the adjusting piece 2 is fixed on the screw rod 4 in a threaded mode, a groove 5 used for enabling the piano wire 6 to penetrate through is formed in the screw rod 4, and the groove 5 is axially formed in the top of the screw rod 4 and extends towards the bottom of the screw rod 4.
The groove 5 can directly penetrate through the whole screw from the top of the screw 4, and can also be axially arranged to a position which is a certain distance away from the bottom of the screw 4 from the top of the screw 4 even if a thread with a certain distance is reserved at the lower end part of the screw 4.
In the embodiment, the length of the thread on the screw rod 4 is about 60mm-80mm, the groove width of the groove 5 formed on the screw rod 4 is 1mm-1.5mm, and the distance of 5mm-10mm is kept between the groove bottom of the groove 5 and the upper end face of the base 3.
Step 2: two fixing devices 7 are oppositely arranged on the equipment base 9, two end parts of the piano wire 6 are respectively fastened in the corresponding fixing devices, and the piano wire 6 is tensioned to a required moment.
Preferably, the height of the support means 8 is higher than the height of the fixing device 7.
And step 3: placing the supporting tools 8 at the two ends of the piano wire 6 and enabling the adjusting pieces 2 to support the piano wire 6;
and 4, step 4: the adjusting piece 2 is adjusted to enable the distance between the piano wire at the measuring points at the head end and the tail end of the equipment to be equal to the distance between the upper end face of the equipment base 9.
Specifically, a dial indicator is used for measuring the distance from the piano wire at the measuring points at the head end and the tail end of the equipment to the upper end face of the equipment base; if the distances from the piano steel wires at the measuring points at the first end and the last end to the upper end face of the equipment base are unequal, the adjusting piece is screwed up and down to adjust the height of the piano steel wires until the distances from the piano steel wires at the measuring points at the two ends of the equipment to the upper end face of the equipment base are equal.
The measurement precision error of the distance between the piano steel wire at the measurement points at the first end and the last end and the upper end surface of the equipment base is controlled within 0.01 mm.
And 5: and selecting a plurality of measuring points at the positions between the first and the last measuring points, respectively measuring the distance between the piano wire at each measuring point and the upper end face of the equipment base, and calculating the levelness and the torsion of the equipment according to the measuring result for subsequent adjustment.
In the second embodiment, the method for quickly adjusting the height of the steel wire of the ship piano specifically comprises the following steps;
step 1: the supporting tool 8 is made.
The support means 8 comprises a support 1 and an adjusting member 2 which is movable up and down on the support 1.
The supporting piece 1 is made of a common bolt, a screw rod of the bolt is provided with a groove 5, and the groove 5 is axially arranged from the top of the screw rod 4 to a position 5-10 mm away from the bottom of the screw rod 4. The adjusting piece 2 adopts a nut matched with a bolt. The adjusting piece 2 is screwed up and down, and the height position of the adjusting piece 2 on the supporting piece 1 can be adjusted.
Preferably, the support member 1 may employ a hexagon bolt, the length of which is selected according to the height of the fixing device fixing the piano wire, and the height of the support member 1 is higher than the height of the fixing device 7. The adjusting member 2 may be a hexagonal nut.
In the embodiment, the length of the thread on the screw rod 4 is about 60mm-80mm, and the groove width of the groove 5 formed on the screw rod 4 is 1mm-1.5 mm.
Step 2: two fixing devices 7 are oppositely arranged on the equipment base 9, two end parts of the piano wire 6 are respectively fastened in the corresponding fixing devices, and the piano wire 6 is tensioned to a required moment.
And step 3: placing the supporting tools 8 at the two ends of the piano wire 6 and enabling the adjusting pieces 2 to support the piano wire 6;
and 4, step 4: the adjusting part 2 is adjusted to enable the distance between the piano wire at the measuring points at the first end and the last end of the equipment and the upper end face of the equipment base 9 to be equal, the specific implementation process is the same as that of the first embodiment, and detailed description is omitted.
And 5: and selecting a plurality of measuring points at the positions between the first and the last measuring points, respectively measuring the distance between the piano wire at each measuring point and the upper end face of the equipment base, and calculating the levelness and the torsion of the equipment according to the measuring result for subsequent adjustment.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will appreciate that; modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims (8)

1. A method for quickly adjusting the height of a steel wire of a ship piano is characterized by comprising the following steps;
step 1: manufacturing a supporting tool;
the supporting tool comprises a supporting part and an adjusting part which can move up and down on the supporting part;
step 2: two fixing devices are oppositely arranged on the equipment base, two end parts of the piano wire are respectively fastened in the corresponding fixing devices, and the piano wire is tensioned to a required moment;
and step 3: placing the supporting tools at two ends of the piano wire and enabling the adjusting pieces to support the piano wire;
and 4, step 4: adjusting the adjusting piece to enable the distances between the piano steel wires at the measuring points at the head end and the tail end of the equipment to be equal to the distance between the upper end faces of the equipment base;
and 5: and selecting a plurality of measuring points at the positions between the first and the last measuring points, respectively measuring the distance between the piano wire at each measuring point and the upper end face of the equipment base, and calculating the levelness and the torsion of the equipment according to the measuring result.
2. The method for rapidly adjusting the height of a piano wire of a ship according to claim 1, wherein the supporting member comprises a base and a screw rod vertically fixed on the upper end surface of the base, the adjusting member is threadedly fixed on the screw rod, the screw rod is provided with a groove for the piano wire to pass through, and the groove is axially opened from the top of the screw rod and extends towards the bottom of the screw rod.
3. The method for rapidly adjusting the height of the steel wire of the ship piano according to claim 1 or 2, wherein the supporting member is a bolt with a groove formed on a screw rod, and the adjusting member is a nut matched with the bolt.
4. The method for rapidly adjusting the height of a steel wire for a ship piano of claim 3, wherein the bolt is a hexagon bolt, and the nut is a hexagon nut.
5. The method for rapidly adjusting the height of a steel wire for a ship according to claim 2, wherein the distance between the bottom of the groove and the upper end surface of the base is 5mm to 10 mm.
6. The method for rapidly adjusting the height of a wire for a marine piano of claim 5, wherein the groove width of the groove is 1mm to 1.5 mm.
7. The method for rapidly adjusting the height of the piano wire of the ship according to claim 1, wherein the specific steps of adjusting the adjusting piece in the step 4 to enable the distances between the piano wires at the measuring points at the head end and the tail end of the equipment and the upper end face of the equipment base to be equal are as follows:
measuring the distance from the piano wire at the measuring points at the head end and the tail end of the equipment to the upper end face of the equipment base by using a dial indicator; if the distances from the piano steel wires at the measuring points at the first end and the last end to the upper end face of the equipment base are unequal, the adjusting piece is screwed up and down to adjust the height of the piano steel wires until the distances from the piano steel wires at the measuring points at the two ends of the equipment to the upper end face of the equipment base are equal.
8. The method for rapidly adjusting the height of the piano wire of the ship according to claim 7, wherein the measurement accuracy error of the distance between the piano wire at the measurement points at the head and tail ends and the upper end face of the equipment base is controlled within 0.01 mm.
CN202010307468.0A 2020-04-17 2020-04-17 Method for quickly adjusting height of steel wire of ship piano Pending CN111637811A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63221215A (en) * 1987-03-10 1988-09-14 Kajima Corp Height measuring method for structure or the like under water
JPH08278103A (en) * 1995-04-05 1996-10-22 Daido Kikai Seisakusho:Kk Flatness measuring method and device for work-piece end face
CN202433014U (en) * 2011-12-15 2012-09-12 山东省特种设备检验研究院日照分院 Device used for measuring camber of hoisting machine by steel wire drawing method
CN206399618U (en) * 2016-12-22 2017-08-11 沪东中华造船(集团)有限公司 Torsion resistance measurement apparatus for large gearbox pedestal
CN107945772A (en) * 2017-12-22 2018-04-20 宁乐 A kind of multi-functional guitar with double qin bodies
CN207662334U (en) * 2018-01-18 2018-07-27 莱芜钢铁集团有限公司 A kind of measuring device of roller-way levelness
CN109238113A (en) * 2018-06-27 2019-01-18 沪东中华造船(集团)有限公司 A method of measurement ship bulkhead flatness
CN209830515U (en) * 2019-01-24 2019-12-24 中国华冶科工集团有限公司 Auxiliary supporting device for steel pipe threading
CN110789685A (en) * 2019-09-25 2020-02-14 沪东中华造船(集团)有限公司 Method for mounting heavy equipment on ship to base

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63221215A (en) * 1987-03-10 1988-09-14 Kajima Corp Height measuring method for structure or the like under water
JPH08278103A (en) * 1995-04-05 1996-10-22 Daido Kikai Seisakusho:Kk Flatness measuring method and device for work-piece end face
CN202433014U (en) * 2011-12-15 2012-09-12 山东省特种设备检验研究院日照分院 Device used for measuring camber of hoisting machine by steel wire drawing method
CN206399618U (en) * 2016-12-22 2017-08-11 沪东中华造船(集团)有限公司 Torsion resistance measurement apparatus for large gearbox pedestal
CN107945772A (en) * 2017-12-22 2018-04-20 宁乐 A kind of multi-functional guitar with double qin bodies
CN207662334U (en) * 2018-01-18 2018-07-27 莱芜钢铁集团有限公司 A kind of measuring device of roller-way levelness
CN109238113A (en) * 2018-06-27 2019-01-18 沪东中华造船(集团)有限公司 A method of measurement ship bulkhead flatness
CN209830515U (en) * 2019-01-24 2019-12-24 中国华冶科工集团有限公司 Auxiliary supporting device for steel pipe threading
CN110789685A (en) * 2019-09-25 2020-02-14 沪东中华造船(集团)有限公司 Method for mounting heavy equipment on ship to base

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Application publication date: 20200908

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