CN113184110B - Positioning method for scientific investigation control support system equipment - Google Patents
Positioning method for scientific investigation control support system equipment Download PDFInfo
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- CN113184110B CN113184110B CN202110492512.4A CN202110492512A CN113184110B CN 113184110 B CN113184110 B CN 113184110B CN 202110492512 A CN202110492512 A CN 202110492512A CN 113184110 B CN113184110 B CN 113184110B
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- 238000011835 investigation Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005553 drilling Methods 0.000 claims abstract description 8
- 238000010586 diagram Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 3
- 238000011160 research Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
- B66D3/08—Arrangements of sheaves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a positioning method for scientific investigation control support system equipment, belonging to the technical field of ships, comprising the following steps: s1, temporarily installing a fixed pulley block in a main hanging cylinder of a midship; s2, taking the fixed pulley block as a centering positioning reference starting point, vertically drilling a vertical laser beam along the cable hole axis of the fixed pulley block, drilling a line passing hole at a projection point of the laser beam on the deck, and placing a tractor under the line passing hole; s3, welding and fixing the fixed pulley block in the main hanging cylinder body of the midship; s4, taking the fixed pulley block as a centering positioning reference starting point, sequentially centering and positioning the tractor, the slack compensator, the reversing pulley, the cable arrangement device and the cable storage winch according to a winch-to-winch plane layout diagram, and simultaneously centering and positioning terminal equipment outside a cabin or on an open deck to finish centering and positioning the equipment for scientific investigation control support system. The invention has the advantages of short working space span, short construction period, low working difficulty, high working efficiency and low cost.
Description
Technical Field
The invention belongs to the technical field of ships and particularly relates to a positioning method for scientific investigation control support system equipment.
Background
The novel technical technology for positioning the equipment of the scientific investigation control support system is mainly applied to the marine scientific investigation ship
The scientific investigation operation of the ship supports centering and positioning operation of system equipment installation. Such survey operating systems generally consist of equipment such as a-type hangers (or broadside telescoping main hangers), pulley blocks, retractors, slack compensators, diverting pulleys, cable feeders, cable storage winches, and the like. The scientific investigation ship is generally provided with 2 to 4 sets of systems with different purposes and functions. The devices of the system are connected in series by a fiber cable and/or an optical-electrical coaxial cable, and are related, wherein the position change of any one device causes the position change of other devices in the system. Therefore, when the devices in the investigation operation support system are installed and positioned, the mutual position relation between each device in the system needs to be considered in a full scale, and the devices are related and restrained.
At present, the general centering positioning scheme of the system equipment generally takes an end user (such as an A frame or a telescopic main crane) of the system as a centering datum point of the system, and the datum point (outside the cabin) is used for centering to each equipment in the cabin one by one, so that the centering process can not change the position of the middle link equipment, otherwise, the centering positioning procedure of the whole system must be carried out again. All equipment of the system must be placed in position on board before the centring operation begins, otherwise the centring operation cannot be performed. Because the system comprises more equipment and belongs to different suppliers for goods, the time to the goods is not controlled, and the phenomenon that part of equipment is put into place while the other part of equipment is not yet in the goods is often caused, the centering and positioning work cannot be carried out on time, the ship construction period is influenced, and the construction cost is increased. And because the A frame is installed and positioned with the requirement of levelness, the ship launching cannot find the levelness, the A frame is installed before the ship launching, and if the A frame is not installed, the installation and positioning of other equipment of the system are affected. However, the A frame has large outline and complex structure, the on-site assembly, positioning and adjustment difficulty is high, the operation period is long, and the installation of the A frame serving as a datum point influences the operation period of a slipway of subsequent equipment.
Disclosure of Invention
The invention aims to solve the technical problems that: the positioning method for the scientific investigation control support system equipment is short in operation space span, short in construction period, low in operation difficulty, high in working efficiency and low in cost.
In order to solve the technical problems, the invention provides a positioning method for scientific investigation control support system equipment, which comprises the following steps:
s1, temporarily installing a fixed pulley block in a main hanging cylinder of a midship;
s2, taking the fixed pulley block as a centering positioning reference starting point, vertically drilling a vertical laser beam along the cable hole axis of the fixed pulley block, drilling a line passing hole at a projection point of the laser beam on the deck, and placing the tractor under the line passing hole by a driving device comprising a tractor, a slack compensator, a reversing pulley, a cable arranging device and a cable storage winch;
s3, welding and fixing the fixed pulley block in the main hanging cylinder body of the midship;
s4, taking the fixed pulley block as a centering positioning reference starting point, sequentially centering and positioning the tractor, the slack compensator, the reversing pulley, the cable arrangement device and the cable storage winch according to a winch-to-winch plane layout diagram, and simultaneously centering and positioning terminal equipment outside a cabin or on an weather deck by taking the fixed pulley block as the centering positioning reference starting point, thereby completing centering and positioning of equipment for a scientific investigation control support system.
As a preferable scheme of the invention, the fixed pulley block comprises an upper pulley block and a lower pulley block, the upper pulley block and the lower pulley block have the same structure, the upper pulley block comprises a left pulley and a right pulley, the driving device is provided with two sets, one set of driving device is respectively connected with the left pulley of the upper pulley block or the left pulley of the lower pulley block through a cable, the other set of driving device is respectively connected with the right pulley of the upper pulley block or the right pulley of the lower pulley block through a cable, and the terminal equipment is provided with two sets and is respectively connected with the two driving devices through the upper pulley block and the lower pulley block.
As the preferable scheme of the invention, the upper pulley block further comprises a base, the left pulley and the right pulley are rotatably arranged on the base, the left pulley and the right pulley are respectively provided with a U-shaped groove for winding a cable, and the base is provided with a left cable hole and a right cable hole which are respectively opposite to the left pulley and the right pulley.
As a preferred embodiment of the present invention, in step S1, the specific steps are as follows:
s1.1, respectively placing an upper pulley block and a lower pulley block at a given height;
s1.2, taking the center of the main hanging cylinder body of the midship as a plane coordinate system round point on the FR32 rib position of the midship line surface, taking the direction from the bow to the stern as the positive X-axis direction, and enabling the center coordinates of a left cable hole and a right cable hole of an upper pulley block to be respectively as follows: the port cable hole Y=300, X= -375, the starboard cable hole Y= -300, X= -375, and a pulley block is temporarily installed in the midship main hanging cylinder;
s1.3, temporarily installing a lower pulley block in a main hanging cylinder body of a midship, wherein the central coordinates of a left cable hole and a right cable hole of the lower pulley block are respectively as follows: port cable hole y=300, x= -415, starboard cable hole y= -300, x= -415.
As a preferable scheme of the invention, the cable storage winch in one set of driving device is a fiber cable storage winch, one slack compensator is arranged in the other set of driving device, two reversing pulleys are arranged, the two reversing pulleys are connected with the slack compensator through cables, three cable arranging devices and three cable storage winches are respectively arranged, the three cable storage winches are respectively a first photoelectric cable storage winch, a second photoelectric cable storage winch and a coaxial cable storage winch, the first photoelectric cable storage winch, the second photoelectric cable storage winch and the coaxial cable storage winch are respectively connected with the three cable arranging devices through cables, the three cable arranging devices are respectively connected with the two reversing pulleys through cables, and the second photoelectric cable storage winch and the coaxial cable storage winch are connected with the same reversing pulley.
As the preferable scheme of the invention, the two terminal devices are respectively an A-shaped hanging bracket and a telescopic main hanging bracket, the A-shaped hanging bracket is respectively connected with a right pulley or a left pulley of the lower pulley block through a cable, and the telescopic main hanging bracket is connected with the left pulley or the right pulley of the upper pulley block through a cable.
As a preferable scheme of the invention, the A-shaped hanging bracket is provided with a hydraulic cylinder for driving the hanging hook on the A-shaped hanging bracket to transversely move.
As a preferable scheme of the invention, the cable groove of the tractor is opposite to the wire through hole.
In step S1.1, the given height of the upper pulley block is 5200-5300 mm away from the deck, and the given height of the lower pulley block is 3550-3650 mm away from the deck.
Compared with the prior art, the positioning method for the scientific investigation control support system equipment has the beneficial effects that:
according to the invention, one middle device (namely the upper fixed pulley block in the main hanging cylinder of the midship) in the centering line of the system is taken as a centering positioning reference point of the system, and the centering positioning operation of the device is carried out on both ends of the reference point by taking the centering positioning reference point of the system as a starting point, so that the positioning of the terminal device and the positioning of the driving device are not influenced, an operator can select the terminal device and the driving device to simultaneously perform centering positioning or separately perform centering positioning according to the condition of arrival of the device, the bidirectional operation of the centering positioning operation flow of the system is realized, the span of an operation space and the construction period of a slipway are greatly shortened, the operation difficulty is reduced, the installation quality is improved, the working efficiency is improved, and the cost is low.
Drawings
FIG. 1 is a flowchart of a method for positioning a device of a scientific research control support system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structure of a device for scientific investigation control support system;
FIG. 3 is a schematic diagram of the structure of the driving device;
FIG. 4 is a schematic structural view of the upper pulley block;
in the figure, 1, a fixed pulley block; 11. an upper pulley block; 111. a left pulley; 112. a right pulley; 113. a base; 114. a left cable hole; 115. a right cable hole; 12. a lower pulley block; 2. a main hanging cylinder body of the midship; 3. a wire through hole; 4. a terminal device; 41. a-shaped hanging frame; 42. a telescopic main crane; 5. a driving device; 51. a slack compensator; 52. a reversing pulley; 53. a cable arranging device; 54. a cable storage winch; 541. a fiber cable storage winch; 542. a first photoelectric cable winch; 543. the second photoelectric cable winch; 544. a coaxial cable storage winch; 55. a retractor; 551. a cable trough.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the present invention as indicated by the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, a preferred embodiment of a positioning method for a device of a scientific investigation control support system according to the present invention includes the following steps:
s1, temporarily installing a fixed pulley block 1 in a main hanging cylinder body 2 of a midship;
s2, taking the fixed pulley block 1 as a centering positioning reference starting point, vertically drilling a vertical laser beam along the cable hole axis of the fixed pulley block 1, drilling a cable through hole 3 at a projection point of the laser beam on a deck, wherein the driving device 5 comprises a tractor 55, a slack compensator 51, a reversing pulley 52, a cable arranging device 53 and a cable storage winch 54, placing the tractor 55 under the cable through hole 3, and enabling a cable groove 551 of the tractor 55 to be opposite to the cable through hole 3, wherein the pulley can be adjusted in a left-right swinging manner according to a hook of a terminal device, but the cable hole axis is unchanged;
s3, welding and fixing the fixed pulley block 1 in the main hanging cylinder body 2 of the midship;
s4, taking the fixed pulley block 1 as a centering positioning reference starting point, sequentially centering and positioning the tractor 55, the slack compensator 51, the reversing pulley 52, the cable arrangement device 53 and the cable storage winch 54 according to a winch-to-winch plane layout diagram, simultaneously taking the fixed pulley block 1 as a centering positioning reference starting point, centering and positioning the terminal equipment 4 outside a cabin or on an open deck, and adding the reversing pulley between the terminal equipment 4 and the fixed pulley block 1 according to wiring requirements by an operator, so that centering and positioning of equipment for a scientific investigation control support system is completed.
According to the invention, by taking one intermediate device (namely the upper fixed pulley block 1 in the midship main hoisting cylinder 2) in the centering line of the system as a centering positioning reference point of the system, and taking the centering positioning reference point of the system as a starting point to perform equipment centering positioning operation at two ends of the reference point simultaneously, the positioning of the terminal equipment 4 and the positioning of the driving device 5 are not influenced mutually, an operator can select the terminal equipment 4 and the driving device 5 to perform centering positioning simultaneously or separately according to the equipment arrival condition to perform centering positioning, the bidirectional operation of the centering positioning operation flow of the system is realized, the construction period work of the working space span and the slipway is greatly shortened, the operation difficulty is reduced, the installation quality is improved, the working efficiency is improved, and the cost is low.
As shown in fig. 2, the fixed pulley block 1 includes an upper pulley block 11 and a lower pulley block 12, the upper pulley block 11 and the lower pulley block 12 have the same structure, the upper pulley block 11 includes a left pulley 111 and a right pulley 112, two driving devices 5 are provided, one set of driving devices 5 is connected with the left pulley of the upper pulley block 11 or the left pulley of the lower pulley block 12 through cables respectively, the other set of driving devices 5 is connected with the right pulley of the upper pulley block 11 or the right pulley of the lower pulley block 12 through cables respectively, the terminal device 4 is provided with two driving devices 5 and is connected with the two driving devices 5 through the upper pulley block 11 and the lower pulley block 12 respectively, an operator can select one driving device 5 to be started according to the use condition of the terminal device 4, and the fixed pulley block is convenient to use, compact in structure and small in occupied space.
Illustratively, the upper pulley block 11 further includes a base 113, the left pulley 111 and the right pulley 112 are rotatably disposed on the base, the left pulley 111 and the right pulley 112 are provided with U-shaped grooves for winding cables, the base 113 is provided with a left cable hole 114 and a right cable hole 115 which are respectively opposite to the left pulley 111 and the right pulley 112, so that the structure is compact, and the cables of the left pulley 111 and the right pulley 112 do not interfere with each other; it should be further noted that the center line of the left cable hole 1145 and the center line of the right cable hole 115 are in tangential relationship with the center circle of the U-shaped groove.
Illustratively, as shown in FIG. 2, in step S1, the specific steps are as follows: s1.1, respectively placing an upper pulley block 11 and a lower pulley block 12 at a given height; s1.2, taking the center of the midship main hanging cylinder body 2 (namely a hanging vertical line) as a plane coordinate system round point on the FR32 rib position of the midship main hanging cylinder body 2, wherein the center of the midship main hanging cylinder body 2 is opposite to the midship line surface of the ship body, and taking the bow-to-stern direction as the positive X-axis direction, so that the center coordinates of a left cable hole and a right cable hole of the upper pulley block 11 are respectively: the port cable hole Y=300, the X= -375, the starboard cable hole Y= -300, the X= -375, and the pulley block 11 is temporarily installed in the midship main hanging cylinder 2; s1.3, temporarily installing a lower pulley block 12 in a main hanging cylinder body 2 of a midship, wherein center coordinates of a left cable hole and a right cable hole of the lower pulley block 12 are respectively as follows: port cable hole y=300, x= -415, starboard cable hole y= -300, x= -415; therefore, the positioning accuracy of the system equipment is ensured by determining the position of the fixed pulley block 1, wherein the difference between the upper pulley block 11 and the lower pulley block 12 and the X direction is 40mm, and a cable diameter space is arranged between the upper pulley block 11 and the lower pulley block 12, so that the interference between the upper cable and the lower cable can be effectively avoided; in addition, for convenient installation, the center of the fixed pulley block 1 and the axle center of the midship main hanging cylinder body 2 are not on the same straight line.
As shown in fig. 3, the cable winch 54 in one set of driving device 5 is a fiber cable winch 541, one slack compensator 51 in the other set of driving device 5 is provided with two reversing pulleys 52, two reversing pulleys 52 are connected with the slack compensator 51 through cables, three cable feeders 53 and 54 are respectively provided with three cable winches, three cable winches 54 are respectively a first cable winch 542, a second cable winch 543 and a coaxial cable winch 544, the first cable winch 542, the second cable winch 543 and the coaxial cable winch 544 are respectively connected with the three cable feeders 53 through cables, the three cable feeders 53 are respectively connected with the two reversing pulleys 52 through cables, the second cable winch 543 and the coaxial cable winch 544 are connected with the same reversing pulley 52, wherein the cable feeders 53 connected with the coaxial cable winch 544 are coaxial cable feeders, by using different types of cable winches 54, operators can select the cable storage device 54 according to the characteristics of different cable winches and terminal equipment 4, and the structure is compact and the structure is convenient.
As shown in fig. 2 and 3, two terminal devices 4 are an a-shaped hanging bracket 41 and a telescopic main hanging bracket 42, wherein the a-shaped hanging bracket 41 is connected with a right pulley or a left pulley of the lower pulley block 12 through a cable, and the telescopic main hanging bracket 42 is connected with a left pulley or a right pulley of the upper pulley block 11 through a cable; specifically, the a-type hanger 41 can be connected with the fiber cable storage winch 541, the telescopic main hanger 42 can be connected with the first photoelectric cable storage winch 542 or the second cable storage winch 54, the a-type hanger 41 or the telescopic main hanger 42 can be connected with the coaxial cable storage winch 544, and an operator can selectively connect different cable storage winches 54 according to the use requirement, but it should be noted that, in order to avoid overload of the fixed pulley block 1, only one cable storage winch 54 can be started at the same time.
Illustratively, as shown in fig. 2, a hanger pulley is provided on the a-hanger 41 for driving a hanger laterally moving hydraulic cylinder on the a-hanger 41 to eliminate centering errors by driving the hanger laterally moving along the a-hanger beam.
Illustratively, as shown in fig. 2, in step S1.1, the upper pulley block 11 has a given height of 5200mm to 5300mm, preferably 5250mm, from the deck, the lower pulley block 12 has a given height of 3550mm to 3650mm, preferably 3600mm, from the deck, and the tolerance is ±2mm.
In the description of the present invention, it should be understood that the terms "mounted," "connected," and "connected" are to be construed broadly in this application, and may be either fixedly connected, detachably connected, or integrally connected, for example, unless otherwise explicitly stated and defined; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (7)
1. A method for positioning a device of a scientific investigation control support system, comprising the steps of:
s1, temporarily installing a fixed pulley block in a main hanging cylinder of a midship;
s2, taking the fixed pulley block as a centering positioning reference starting point, vertically drilling a vertical laser beam along the center of the cable hole axis of the fixed pulley block, drilling a line passing hole at a projection point of the laser beam on the deck, and placing the tractor under the line passing hole by a driving device comprising a tractor, a slack compensator, a reversing pulley, a cable arranging device and a cable storage winch;
s3, welding and fixing the fixed pulley block in the main hanging cylinder body of the midship;
s4, taking the fixed pulley block as a centering positioning reference starting point, sequentially centering and positioning the tractor, the slack compensator, the reversing pulley, the cable arrangement device and the cable storage winch according to a winch-to-winch plane layout diagram, and centering and positioning terminal equipment outside a cabin or on an weather deck by taking the fixed pulley block as a centering positioning reference starting point, so that centering and positioning of equipment for a scientific investigation control support system is completed;
the fixed pulley block comprises an upper pulley block and a lower pulley block, the upper pulley block and the lower pulley block have the same structure, the upper pulley block comprises a left pulley block and a right pulley block, the driving devices are provided with two sets, one set of driving device is connected with the left pulley block of the upper pulley block or the left pulley block of the lower pulley block respectively through cables, the other set of driving device is connected with the right pulley block of the upper pulley block or the right pulley block of the lower pulley block respectively through cables, and the terminal equipment is provided with two driving devices which are connected with the two driving devices respectively through the upper pulley block and the lower pulley block;
the cable storage winch in one set of driving device is a fiber cable storage winch, the slack compensator in the other set of driving device is provided with one, two reversing pulleys are arranged, the two reversing pulleys are connected with the slack compensator through cables, three cable arranging devices and cable storage winches are respectively arranged, the three cable storage winches are respectively a first photoelectric cable storage winch, a second photoelectric cable storage winch and a coaxial cable storage winch, the first photoelectric cable storage winch, the second photoelectric cable storage winch and the coaxial cable storage winch are respectively connected with the three cable arranging devices through cables, the three cable arranging devices are respectively connected with the two reversing pulleys, and the second photoelectric cable storage winch and the coaxial cable storage winch are connected with the same reversing pulley.
2. The positioning method for a scientific investigation control support system device according to claim 1, wherein the upper pulley block further comprises a base, the left pulley and the right pulley are rotatably arranged on the base, the left pulley and the right pulley are respectively provided with a U-shaped groove for winding a cable, and the base is provided with a left cable hole and a right cable hole which are respectively opposite to the left pulley and the right pulley.
3. The method for positioning a device for a scientific investigation manipulation support system according to claim 2, wherein in step S1, the specific steps are as follows:
s1.1, respectively placing an upper pulley block and a lower pulley block at a given height;
s1.2, taking the center of the main hanging cylinder body of the midship as a plane coordinate system round point on the FR32 rib position of the midship line surface, taking the direction from the bow to the stern as the positive X-axis direction, and enabling the center coordinates of a left cable hole and a right cable hole of an upper pulley block to be respectively as follows: the port cable hole Y=300, X= -375, the starboard cable hole Y= -300, X= -375, and a pulley block is temporarily installed in the midship main hanging cylinder;
s1.3, temporarily installing a lower pulley block in a main hanging cylinder body of a midship, wherein the central coordinates of a left cable hole and a right cable hole of the lower pulley block are respectively as follows: port cable hole y=300, x= -415, starboard cable hole y= -300, x= -415.
4. The positioning method for a scientific investigation control support system device according to claim 1, wherein the two terminal devices are an a-shaped hanging bracket and a telescopic main hanging bracket, the a-shaped hanging bracket is connected with a right pulley or a left pulley of the lower pulley block through a cable, and the telescopic main hanging bracket is connected with the left pulley or the right pulley of the upper pulley block through a cable.
5. The positioning method for a scientific investigation operation and control support system device according to claim 4, wherein the a-shaped hanging bracket is provided with a hydraulic cylinder for driving the hanging hook on the a-shaped hanging bracket to move transversely.
6. The method for positioning a scientific research control support system apparatus as defined in claim 1, wherein the cable trough of the retractor is directly opposite the wire through hole.
7. The method for positioning a device for scientific investigation and control support system according to any of the claims 1-6, wherein in step S1.1 the given height of the upper pulley block is from the deck 5200mm to 5300mm and the given height of the lower pulley block is from the deck 3550mm to 3650mm.
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Application publication date: 20210730 Assignee: Zhanjiang Nanhai Shipbuilding High tech Service Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980048822 Denomination of invention: A Positioning Method for Control Support System Equipment Used in Scientific Investigation and Inspection Granted publication date: 20230926 License type: Common License Record date: 20231130 |