CN115744033A - Method for horizontally moving and positioning covering bullet tank - Google Patents
Method for horizontally moving and positioning covering bullet tank Download PDFInfo
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- CN115744033A CN115744033A CN202211332577.3A CN202211332577A CN115744033A CN 115744033 A CN115744033 A CN 115744033A CN 202211332577 A CN202211332577 A CN 202211332577A CN 115744033 A CN115744033 A CN 115744033A
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Abstract
The invention discloses a method for horizontally moving an earth covering bullet tank in place, and belongs to the technical field of tank type equipment installation. Arranging a temporary buttress for temporarily supporting an equipment saddle on the ground of the temporary storage area; transporting the earth covering bullet tank to a temporary storage area, and placing an equipment saddle on a temporary buttress; the auxiliary saddle is arranged on the equipment tank body, the height of the two sets of axis vehicles is reduced by the vehicle plate, and the two sets of axis vehicles respectively and vertically drive into the bottom of the equipment tank body, and the auxiliary saddle is connected with the vehicle plate; lifting the height of the plate of the axis line vehicle, synchronously moving the two axis line vehicles until the equipment saddle reaches the upper part of the equipment foundation and is aligned with the equipment foundation for parking; reducing the height of the turning plate for many times, and connecting foundation bolts on the equipment foundation with an equipment saddle; the height of the bicycle plate is reduced until the bicycle plate is separated from the auxiliary saddle; and (4) removing the auxiliary saddle. The invention can complete the equipment in-place work by using the axis vehicle, has stable and reliable operation and little influence on peripheral construction facilities.
Description
Technical Field
The invention belongs to the technical field of tank type equipment installation, and particularly relates to a method for horizontally moving an earth covering bullet tank in place.
Background
The main application of the axis vehicle is in the transportation of heavy, large, high and special-shaped structures, and the main characteristics are flexible use, convenient loading and unloading, and the loading capacity can reach more than 50000 tons under the condition of multi-vehicle mechanical assembly or free combination. The method is widely applied to the engineering fields of equipment manufacturing industry, petroleum, chemical industry, marine petroleum, bridge construction and the like.
In the field of chemical equipment installation, when heavy equipment is in place, a large crane is used for hoisting in place in the traditional method. When a large crane is used for hoisting, the walking and occupied area of the crane need to be considered, buildings in the operation range of the crane cannot be constructed, if equipment and hoisting machinery cannot enter the site in advance, the construction period of surrounding buildings (structures) is prolonged, and the construction period of a project is seriously influenced.
For example, in a project for petroleum integration project construction in which the applicant constructed, the propane storage unit of the UO apparatus had four large earth covering bullet tanks with an inner diameter of 8.4 m, a length of 50.4 m, and a dry weight of 523.7 tons. If the traditional method is adopted for construction, two 700t crawler cranes are required to lift and lift in place, so that other equipment foundations, surrounding cofferdams and pipe gallery foundations of the propane storage unit cannot be constructed, and subsequent installation work cannot be carried out.
Disclosure of Invention
The invention aims to provide a method for horizontally moving and positioning an earth covering bullet tank so as to achieve the purpose of little influence on peripheral construction facilities.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method of translational seating of an earth-covering bullet canister, the earth-covering bullet canister including an equipment canister body and an equipment saddle disposed at a bottom of the equipment canister body, comprising:
step one, arranging a temporary buttress for temporarily supporting an equipment saddle on the ground of a temporary storage area; sequentially arranging a sizing block group and a foundation steel plate on an equipment foundation for mounting an equipment saddle, and arranging foundation bolts for connecting the equipment saddle on the equipment foundation;
transporting the earth covering bullet tank to a temporary storage area, and placing an equipment saddle on a temporary buttress in the temporary storage area; an auxiliary saddle is arranged on the equipment tank body;
thirdly, two sets of axis vehicles are adopted to horizontally convey an earth covering bullet tank, the two sets of axis vehicles reduce the height of a vehicle plate and respectively vertically drive into the bottom of the equipment tank body, a sub-carrier plate is placed on the vehicle plate of each axis vehicle, and the sub-carrier plate is aligned with the auxiliary saddle; the height of the vehicle board of the lifting axis vehicle is increased, so that the branch support plate is contacted with the bottom of the auxiliary saddle, and the auxiliary saddle is connected with the vehicle board;
fourthly, lifting the height of the carriage plate of the axis vehicle to separate the equipment saddle from the temporary buttress, and enabling the bottom of the equipment saddle to be higher than the top end of the foundation bolt; synchronously moving the two axis vehicles until the equipment saddle reaches the upper part of the equipment foundation and is aligned with the equipment foundation for parking; reducing the height of the turning plate for many times, and connecting foundation bolts on the equipment foundation with an equipment saddle; and contacting the equipment saddle with the base steel plate;
step five, continuously reducing the height of the vehicle plate until the vehicle plate is separated from the auxiliary saddle; and (4) removing the auxiliary saddle.
Further, in the first step, foundation filling and replacing are carried out at the temporary buttress placement position, the thickness z of a foundation filling and replacing layer is =1m, wherein the block stone backfilling thickness z2=0.7m, the block stones are compacted by grading broken stone paving, the thickness z1=0.3m, the block stone compaction density is rho 2= 1.7t/square meter, and the grading broken stone density is rho 1= 2.1t/square meter.
Further, in the first step, a PTFE lining plate is paved on the upper portion of the base steel plate.
Further, in the second step, two auxiliary saddles are installed on the body of the soil covering bullet tank, and each auxiliary saddle comprises an auxiliary saddle body, a steel binding belt and a rubber sheet; when the auxiliary saddle is installed, firstly, the rubber sheet is arranged at the position of the body of the earth covering bullet tank provided with the steel binding band, and then the steel binding band is lifted and placed on the rubber sheet; after the steel bandage is arranged, the auxiliary saddle body is lifted by a crane, and the auxiliary saddle body is connected with the steel bandage by bolts.
And further, in the fourth step, the height of the vehicle plate of the axis vehicle is reduced, and when the equipment saddle is 50mm higher than the foundation bolt, the foundation bolt is inserted into the bolt hole of the equipment saddle.
Further, in the fourth step, after the foundation bolts are completely worn, the height of the car plate is reduced again, and when the gap between the lower surface of the equipment saddle and the foundation steel plate is 20mm, the deviation between the longitudinal and transverse center lines of the tank equipment and the foundation is measured; if the requirements are not met, the tank body is finely adjusted longitudinally/transversely, and the requirements are directly met; and continuously reducing the height of the vehicle plate, and removing the auxiliary saddle after the equipment saddle is contacted with the base steel plate.
The invention utilizes the transportation function of the axis vehicle and the universal wheels thereof to move the plane position of the earth covering bullet tank equipment, and utilizes the hydraulic system of the transportation vehicle to lift the height of the vehicle plate so as to adjust the in-position elevation of the equipment.
The auxiliary saddle is arranged, lifting lugs do not need to be welded on the equipment body, the equipment is not damaged, a lifting lock is not needed to be used during equipment installation, the weight is directly borne by the axis vehicle, and the auxiliary saddle is safer and more reliable than the lifting lock.
Compared with the traditional crane construction, the axial line vehicle of the transportation equipment can complete the in-place work of the equipment, the operation of the axial line vehicle is stable and reliable, a temporary storage area is arranged outside a construction area, and the occupied formal site is small when the equipment is in place, so that the influence on peripheral construction facilities is small.
The invention is suitable for large-scale horizontal equipment in-place, modular device in-place and pipe gallery modular construction.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Figure 1 is a schematic view of the casing bullet tank as it is transported to a temporary storage area.
Figure 2 is a schematic view of the casing bullet canister when placed on the temporary buttress.
Figure 3 is a schematic view of the casing bullet tank as it translates toward the mounting area.
FIG. 4 is a schematic view of an equipment tank when installed on an equipment foundation.
In the figure, 1-equipment tank body, 2-equipment saddle, 3-temporary buttress, 4-equipment foundation, 5-auxiliary saddle, 6-axis vehicle and 7-separation plate.
Detailed Description
In order that those skilled in the art will better understand the present invention, a more complete and complete description of the present invention is provided below in conjunction with the accompanying drawings and examples. In addition, the features of the embodiments and examples in the present application may be combined with each other without conflict.
An exemplary embodiment of the invention provides a method of translationally seating a casing bullet tank comprising an apparatus tank 1 and an apparatus saddle 2 disposed at the bottom of the apparatus tank 1, the method comprising the steps of.
Step one, arranging a temporary buttress 3 for temporarily supporting an equipment saddle 2 on the ground of a temporary storage area of an earth covering bullet tank; a sizing block group and a foundation steel plate are sequentially arranged on an equipment foundation 4 for installing the equipment saddle 2, and foundation bolts for connecting the equipment saddle 2 are arranged on the equipment foundation 4.
Secondly, transporting the earth covering bullet tank to a temporary storage area, and placing the equipment saddle 2 on a temporary buttress 3 of the temporary storage area; an auxiliary saddle 5 is mounted on the equipment tank 1.
Step three, two sets of axis vehicles 6 are adopted to transport one soil covering bullet tank in a translation mode, the two sets of axis vehicles 6 reduce the height of a vehicle plate and respectively vertically move into the bottom of the equipment tank body 1, a sub-carrying plate 7 is placed on the vehicle plate of each axis vehicle 6, and the sub-carrying plate 7 is aligned with the auxiliary saddle 5; and lifting the plate height of the axis vehicle 6, enabling the load-sharing plate 7 to be in contact with the bottom of the auxiliary saddle 5, and connecting the auxiliary saddle 5 with the plate of the axis vehicle 6.
Step four, lifting the height of a turning plate of the axis vehicle 6 to separate the equipment saddle 2 from the temporary buttress 3 and enable the bottom of the equipment saddle 2 to be higher than the top end of the foundation bolt; synchronously moving the two axis vehicles 6 until the equipment saddle 2 reaches the upper part of the equipment foundation 4 and is aligned with the equipment foundation 4 to stop; reducing the height of a vehicle plate of the axis vehicle 6 for multiple times, and connecting foundation bolts on the equipment foundation 4 with the equipment saddle 2; and the equipment saddle 2 is contacted with the foundation steel plate, so that the equipment tank body 1 is arranged on the equipment foundation 4.
Step five, continuously reducing the height of the sweep of the axis vehicle 6 until the sweep is separated from the auxiliary saddle 5; the auxiliary saddle 5 is removed.
The technical solution claimed in the present invention will be further clearly and completely explained with reference to a specific embodiment.
In a certain project, the propane storage unit is provided with four large earth covering bullet tanks, wherein the inner diameter of each earth covering bullet tank is 8.4 meters, the length of each earth covering bullet tank is 50.4 meters, and the net weight of each earth covering bullet tank is 523.7 tons.
(I) selecting the number of sets and assembling mode of the axis vehicle
The number of groups and the assembly mode of the axis vehicles 6 are selected according to the size and the weight of the equipment, the weight of the mechanical lock of the auxiliary measures and the performance of the axis vehicles 6. The net weight of the casing bullet tank is 532.7 tons, and the weight of the mechanical lock of the auxiliary measures is 24.3 tons, namely the weight of the load carried by the axis vehicle 6 when the axis vehicle is transported, translated and in place is 557 tons. According to the performance of the axis vehicle 6, a K2400ST 5 axis 4 group and a 6 axis 4 group are selected. During transportation, the assembly mode is double rows, (6 axes +5 axes +6 axes)/rows; when the translation is in place, the assembly mode is four rows, (6 axes +5 axes)/row. And the load borne by the bogie with the maximum stress is calculated to be 42.5 percent of the rated load, and the requirement is met.
Design and manufacture of auxiliary saddle and temporary buttress
Two auxiliary saddles 5 are manufactured, the material is Q235A, the bearing capacity exceeds 350 t/saddle, binding points and lifting points are arranged on two sides of each auxiliary saddle 5, and the strength is not less than 20t.
Height determination of the temporary buttress 3: the normal height of the axis vehicle 6 is 1500mm, the lifting range is +/-300 mm, and the allowance of 100mm is considered, so the height range of the temporary buttress 3 is 1300 mm-1700 mm. The carriage plate of the axis carriage 6 is laid with the load-sharing plate 7 of 200mm, so that the height of the temporary buttress 3 is determined to be 1500mm.
The number of the temporary buttresses 3 is determined: each earthing bullet jar has 4 equipment saddles 2 totally, and every equipment saddle 2 sets up two interim buttresses 3, sets up 8 interim buttresses 3 totally.
(III) treatment of the ground
Temporary buttress placement foundation treatment
According to foundation survey reports and on-site actual surveys, the foundation bearing capacity of an unearthed original soil layer is 13t per square meter. Each device is supported by 8 temporary buttresses 3 when being stored, the specification of a bottom plate of each temporary buttress 3 is 1.6m multiplied by 2.5m, and the pressure value of each temporary buttress 3 to the ground is 20.4 t/square meter.
If the original natural ground can not meet the storage requirement, the original foundation needs to be replaced and filled.
The processing scheme provided by the embodiment is as follows: the thickness z =1m of the foundation replacement filling layer at the position of the temporary buttress 3, wherein the backfilling thickness z2=0.7m of the block stone, the block stone is compacted by paving and filling graded broken stones, the thickness z1=0.3m, the compacted density of the block stone is rho 2= 1.7t/square meter, and the density of the graded broken stones is rho 1= 2.1t/square meter.
Temporary storage area, translation area foundation treatment
The transition area between the temporary storage area and the equipment foundation 4 needs to be smooth on the ground, and the height difference between the temporary storage area and the foundation plane is not more than 50mm. The ground strength of the transportation channel (including the transition road surface between the equipment foundations 4) at other positions of the temporary storage area is more than 10t/m 2 . The treatment scheme is as follows: compacting the original soil layer, wherein the compaction degree is more than or equal to 95%; laying a 200mm thick mixture of sand and gravelThe maximum particle size is 20 mm), and the degree of compaction is more than or equal to 95 percent; paving a mixture of broken stone, gravel and sand (the grain diameter is 0-40 mm), wherein the degree of compaction is more than or equal to 97 percent; paving 150mm thick sand gravel mixture mixed with 7% of portland cement, wherein the compaction degree is more than or equal to 97%.
(IV) equipment entering unloading arrangement
The temporary storage area is arranged at the north side of the installation area, and the equipment position numbers of the installation area are A, B, C and D from north to south in sequence; the equipment in the storage area is A, B, C and D from north to south; the inlet position of the storage area and the equipment C of the storage area are on the same line, so the entering and unloading sequence of the equipment is A, B, D and C; the installation sequence is D, C, B and A.
(V) acceptance and treatment of equipment foundation
The surface of the equipment foundation 4 is required to be repaired, oil stain, broken stone, soil, accumulated water and the like in the preformed hole of the foundation bolt are all cleaned up, the surface of the equipment foundation 4 placed to the position of the sizing block within 50mm of the periphery of the equipment foundation is required to be flattened, and the levelness allowable deviation of the flattened part is 2mm/m. Placing the padding iron and chiseling the padding iron to form a pitted surface, wherein 3-5 pitted points with the depth of not less than 10mm are arranged in an area of 100mm multiplied by 100 mm.
Before the earth covering bullet tank equipment is in place, the sizing block group is arranged and finished, and the sizing block group is arranged at the reinforcing rib position of the equipment saddle 2 and is initially leveled.
Leveling by adopting a flat sizing block or an inclined sizing block, and meeting the following requirements: the surface of the concrete equipment foundation 4 where the sizing block is placed is flattened, and the size of the surface is 50mm larger than that of each side of the sizing block; paired oblique sizing blocks are used, the inclined surfaces of the oblique sizing blocks are used in opposite directions, and a flat sizing block is arranged below the oblique sizing blocks.
The number of blocks of each group of sizing blocks is not more than five, when the flat sizing blocks are placed, the thickest sizing block is placed below, and the thinnest sizing block is placed in the middle. Each group of sizing blocks are placed neatly and stably and are in good contact with each other; and oil stains and the like on the surface of the sizing block are removed completely.
Installation of foundation steel plate and foundation bolt
After the sizing block is arranged and initially leveled, the base steel plate is hung on the sizing block, and then leveling is carried out again. After the foundation steel plate is leveled, foundation bolts are placed in the reserved foundation bolt holes. And a PTFE lining plate additionally arranged between the base steel plate and the equipment saddle 2 is paved on the base steel plate.
(VI) Axis vehicle assembly
And after all four bullet tanks arrive on the scene and are unloaded, the axis vehicle 6 is modified. During transportation, the assembly mode is double rows, (6 axes +5 axes +6 axes)/row; when the translation is in place, the assembly mode of the device is changed into four rows, (6 axes +5 axes)/row.
(VII) auxiliary saddle mounting
The auxiliary saddle 5 consists of three parts, namely a saddle, a steel binding band and a rubber sheet. The rubber is firstly arranged on the equipment body part provided with the steel bandage in an overlapping mode, and then the steel bandage is hoisted and placed on the rubber. The steel bandage is not directly placed on the equipment body to prevent the paint on the equipment body from being damaged. After the setting of the steel bandage is completed, the saddle is lifted by using two cranes, bolt holes in the saddle and bolt holes in the steel bandage are centered, and then the saddle and the saddle are connected by using bolts.
(VIII) equipment translation, equipment initial adjustment and movable foundation bolt are arranged on the equipment saddle 2 in a penetrating way
The two sets of axial trolleys 6 reduce the height of the trolley plate, are respectively vertical to the tank body and enter the bottom and are aligned with the auxiliary saddle 5. And meanwhile, slowly lifting the height of the vehicle plate to enable the sub-carrier plate 7 on the vehicle plate to be in contact with the bottom of the auxiliary saddle 5. And connecting and tightening the auxiliary saddle 5 lifting lug and the binding point of the vehicle plate by using a steel wire rope and a chain block. And slowly lifting the height of the sweep again to separate the equipment saddle 2 from the temporary buttress.
When the earth covering bullet tank equipment is translated, the axis vehicle 6 is slowly and synchronously moved, the equipment saddle 2 is aligned with the equipment foundation 4 by means of longitudinal/transverse movement of the axis vehicle 6, the height of the equipment saddle 2 is higher than the top end of the foundation bolt, and the vehicle is moved along the installation channel until the installation position of the equipment foundation 4 is reached and the vehicle stops.
The longitudinal/lateral trimming aligns the machine saddle 2 with the machine foundation 4 position. The height of the vehicle plate is reduced, when the equipment saddle 2 is 50mm higher than the foundation bolts, the bolts of the foundation bolts penetrate through the bolt holes of the equipment saddle 2, and the gaskets and the nuts are mounted on the bolts.
After the foundation bolts are completely penetrated, the height of the vehicle plate is reduced again. When the clearance between the lower surface of the equipment saddle 2 and the base steel plate is 20mm, the deviation between the longitudinal and transverse center lines of the equipment and the base is measured. If the requirements are not met, the tank body is continuously and finely adjusted longitudinally/transversely, and the requirements are directly met.
The hydraulic jacking device of the axis vehicle 6 is positioned on one side of the tire, and when the jacking device descends, the jacking device can drive the vehicle plate to deviate towards one side, so that deviation allowance is reserved towards the opposite direction before descending.
And continuously reducing the height of the vehicle plate to enable the equipment saddle 2 to be in contact with the base steel plate, and then removing the binding steel wire rope reinforced by the auxiliary saddle 5. And after the steel wire rope is removed, the height of the bicycle plate is continuously reduced until the bicycle plate is separated from the auxiliary saddle 5.
And (5) retesting the installation precision of the equipment, and if the requirement is met, driving the transport vehicle away from the basic area.
(nine) auxiliary saddle removal
The auxiliary saddle 5 is detached and placed on a rolling rod on the ground by using a truck crane, and then the auxiliary saddle 5 is dragged out of the bottom of the equipment tank body 1 by using a forklift.
The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and scope of the invention are intended to be included therein.
Claims (6)
1. A method for horizontally moving an earth-covering bullet tank in place, wherein the earth-covering bullet tank comprises an equipment tank body and an equipment saddle arranged at the bottom of the equipment tank body, and is characterized by comprising the following steps:
step one, arranging a temporary buttress for temporarily supporting an equipment saddle on the ground of a temporary storage area; sequentially arranging a sizing block group and a foundation steel plate on an equipment foundation for mounting an equipment saddle, and arranging foundation bolts for connecting the equipment saddle on the equipment foundation;
transporting the earth covering bullet tank to a temporary storage area, and placing the equipment saddle on a temporary buttress in the temporary storage area; an auxiliary saddle is arranged on the equipment tank body;
step three, two sets of axis vehicles are adopted to transport one soil covering bullet tank in a translation mode, the height of a vehicle plate is reduced by the two sets of axis vehicles, the two sets of axis vehicles are respectively perpendicular to the bottom of the equipment tank body and drive into the bottom of the equipment tank body, a sub-carrying plate is placed on the vehicle plate of each axis vehicle, and the sub-carrying plate is aligned with the auxiliary saddle; the height of the vehicle board of the lifting axis vehicle is increased, so that the branch support plate is contacted with the bottom of the auxiliary saddle, and the auxiliary saddle is connected with the vehicle board;
lifting the height of a turning plate of the axis vehicle to separate the equipment saddle from the temporary buttress and enable the bottom of the equipment saddle to be higher than the top end of the foundation bolt; synchronously moving the two axis vehicles until the equipment saddle reaches the upper part of the equipment foundation and is aligned with the equipment foundation for parking; reducing the height of the vehicle plate for many times, and connecting foundation bolts on the equipment foundation with an equipment saddle; and contacting the equipment saddle with the base steel plate;
step five, continuously reducing the height of the sweep until the sweep is separated from the auxiliary saddle; and (4) removing the auxiliary saddle.
2. The method of claim 1 for translating an earth-covering bullet canister into position, wherein: in the first step, foundation filling replacement is carried out at the temporary pier placement position, the thickness z =1m of a foundation filling layer, the block stone backfilling thickness z2=0.7m, the block stones are compacted by graded broken stone bedding, the thickness z1=0.3m, the compacted density of the block stones is rho 2= 1.7t/square meter, and the graded broken stone density is rho 1= 2.1t/square meter.
3. The method of claim 1 or 2 for translating a casing bullet canister into position, wherein: in the first step, a PTFE lining plate is paved on the upper part of the base steel plate.
4. The method of claim 3 of translating an earth-covering bullet canister into position, wherein: in the second step, two auxiliary saddles are arranged on the body of the soil covering bullet tank, and each auxiliary saddle comprises an auxiliary saddle body, a steel binding belt and a rubber sheet; when the auxiliary saddle is installed, the rubber sheet is firstly erected at the position of the body of the soil covering bullet tank provided with the steel binding band, and then the steel binding band is hoisted and placed on the rubber sheet; after the steel bandage is arranged, the auxiliary saddle body is lifted by a crane, and the auxiliary saddle body is connected with the steel bandage by bolts.
5. The casing bullet can translational seating method of claim 4, wherein: and in the fourth step, the height of the vehicle plate of the axis vehicle is reduced, and when the equipment saddle is 50mm higher than the foundation bolt, the foundation bolt is arranged in the bolt hole of the equipment saddle in a penetrating mode.
6. The method of claim 5 for translating an earth-covering bullet canister into position, wherein: in the fourth step, after the foundation bolts are completely worn, the height of the car plate is reduced again, and when the gap between the lower surface of the equipment saddle and the foundation steel plate is 20mm, the deviation between the longitudinal and transverse center lines of the tank body equipment and the foundation is measured; if the requirements are not met, the tank body is finely adjusted longitudinally/transversely, and the requirements are directly met; and continuously reducing the height of the vehicle plate, and removing the auxiliary saddle after the equipment saddle is contacted with the base steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211332577.3A CN115744033A (en) | 2022-10-28 | 2022-10-28 | Method for horizontally moving and positioning covering bullet tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211332577.3A CN115744033A (en) | 2022-10-28 | 2022-10-28 | Method for horizontally moving and positioning covering bullet tank |
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| CN115744033A true CN115744033A (en) | 2023-03-07 |
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| CN202211332577.3A Pending CN115744033A (en) | 2022-10-28 | 2022-10-28 | Method for horizontally moving and positioning covering bullet tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117105056A (en) * | 2023-10-20 | 2023-11-24 | 山东电力建设第三工程有限公司 | Tank body equipment installation hoisting tool and installation method |
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2022
- 2022-10-28 CN CN202211332577.3A patent/CN115744033A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117105056A (en) * | 2023-10-20 | 2023-11-24 | 山东电力建设第三工程有限公司 | Tank body equipment installation hoisting tool and installation method |
| CN117105056B (en) * | 2023-10-20 | 2024-02-09 | 山东电力建设第三工程有限公司 | Tank body equipment installation hoisting tool and installation method |
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