CN116605746A - Large-scale product overturning method, overturning device and hoisting equipment - Google Patents
Large-scale product overturning method, overturning device and hoisting equipment Download PDFInfo
- Publication number
- CN116605746A CN116605746A CN202310451259.7A CN202310451259A CN116605746A CN 116605746 A CN116605746 A CN 116605746A CN 202310451259 A CN202310451259 A CN 202310451259A CN 116605746 A CN116605746 A CN 116605746A
- Authority
- CN
- China
- Prior art keywords
- crane
- turning
- turnover device
- lifting
- hooks
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 57
- 230000007306 turnover Effects 0.000 claims description 76
- 238000004904 shortening Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008602 contraction Effects 0.000 abstract 1
- 230000005484 gravity Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The application discloses a large-scale product turning method, a turning device and lifting equipment, which relate to the technical field of production and processing, wherein the large-scale product turning method is used for turning and fixing the turning device of a product to be turned through the lifting equipment, the turning device is of a polygonal structure, and lifting hooks are arranged at included angles of the polygonal structure; the hoisting equipment comprises a first crane and a second crane; the large-scale product overturning method is simple in operation process, convenient to use and high in bearing capacity, can be suitable for overturning large-size and heavy-weight products by controlling the expansion and the contraction of the first crane and the second crane and connecting the first crane and the second crane with the large-scale product overturning method provided by the application, does not need the crane to advance in the process of overturning the products, and has higher safety coefficient.
Description
Technical Field
The application relates to the technical field of production and processing, in particular to a large-scale product overturning method. In addition, the application also relates to a turnover device and lifting equipment for implementing the turnover method of the large-scale product.
Background
In the related art, one end of a turnover tool is generally required to be fixed on the ground, an axle center rod is used as a turnover structure, the other end of the turnover tool is connected through a crane lifting hook, and the turnover of the tool is realized by controlling the lifting, feeding, descending and other steps of the crane. In the technical scheme, the objects with different volumes and different weights need to correspond to different overturning tools in the overturning process, so that the cost is high; and the tool overturning is realized through the steps of ascending, feeding, descending and the like, so that a certain danger exists in the aspect of safety.
In addition, in the related art, the connecting chain is driven to overturn through the movement of the overturning machine, and objects to be overturned are placed in the chain, so that the overturning of the objects is realized.
In summary, how to provide a turnover method suitable for large-sized products and safe and convenient to operate is a problem to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the application aims to provide a large-scale product overturning method which can be suitable for overturning large-scale and heavier products, does not need to control the crane to travel in the overturning process, and has higher safety coefficient.
Another object of the present application is to provide a turning device and a lifting apparatus for implementing the above-mentioned turning method for large-sized products.
In order to achieve the above object, the present application provides the following technical solutions:
the turnover device is of a polygonal structure, and lifting hooks are arranged at included angles of the polygonal structure; the first crane and the second crane of the hoisting equipment are provided; the large-scale product overturning method comprises the following steps:
the free end of the first crane and the free end of the second crane are controlled to be respectively connected with two adjacent or spaced lifting hooks in the turnover device;
adjusting the telescopic lengths of the first crane and the second crane so as to balance and hoist the turnover device;
controlling the first crane and the second crane to drive the turnover device to ascend until the ground clearance of the uppermost end of the turnover device is greater than the length of the longest diagonal line in the turnover device;
controlling the first crane to extend so as to enable the turnover device to turn over until the first crane is in a loose state;
the connection between the first crane and the turnover device is released, and the free end of the first crane is connected with other lifting hooks except the lifting hooks which are connected with the first crane and the second crane last time;
and controlling the first crane to shorten so as to enable the turnover device to turn over to a preset angle.
Optionally, the adjusting the telescopic lengths of the first crane and the second crane to enable the turning device to hoist in a balanced manner includes:
and controlling the first crane and the second crane to stretch to the same length.
Optionally, the other hooks are hooks adjacent to the hooks connected to the second crane.
Optionally, controlling shortening of the first crane to enable the turning device to turn to a preset angle includes:
judging whether the turnover device turns over to a preset angle or not; if yes, the first crane is controlled to stop shortening and the turnover device is controlled to descend; if not, entering the next step;
controlling the second crane to extend so as to enable the turnover device to turn over until the second crane is in a loose state;
the connection between the second crane and the turnover device is released, and the free end of the second crane is connected with other lifting hooks except the lifting hooks which are connected with the first crane and the second crane last time;
controlling the second crane to shorten, and judging whether the turnover device turns to a preset angle or not; if yes, the second crane is controlled to stop shortening and the turnover device is controlled to descend; if not, returning to the step to control the first crane to extend so as to enable the turnover device to turn over until the first crane is in a loose state.
A turnover device for fixing a product to be turned in the large-sized product turning method as set forth in any one of the above, the turnover device comprising:
the included angles of the polygonal frame structure are provided with lifting hooks;
the detachable clamping blocks are fixedly arranged on the polygonal frame structure and used for fixing a product to be turned over.
Optionally, the polygonal frame structure is rectangular.
Optionally, a plurality of said clamping blocks are different in shape and size to accommodate said products of different shape and size.
Optionally, the polygonal frame structure is provided with a sensor for detecting its ground clearance.
Optionally, the lifting hook is welded with the polygonal frame structure.
A lifting device for controlling turning of a turning device in a turning method of any one of the above large products, wherein the device comprises a first crane and a second crane, the first crane and the second crane are connected to the same lifting rope, the lifting rope is arranged in a liftable manner, and the free ends of the first crane and the second crane are used for being connected with a lifting hook in the turning device.
In the process of implementing the large-scale product overturning method provided by the application, firstly, the free ends of the first crane and the second crane are required to be controlled to be respectively connected with two adjacent or spaced lifting hooks in the overturning device, and the telescopic lengths of the first crane and the second crane are adjusted so as to enable the overturning device to hoist in a balanced way; then the first crane and the second crane are controlled to drive the turning device to ascend until the distance from the ground at the uppermost end of the turning device to the ground is larger than the length of the longest diagonal line in the turning device, the turning device is prevented from contacting the ground in the turning process, the first crane is controlled to stretch, the turning device is turned over until the first crane is in a loose state, and the gravity center of the turning device filled with a product to be turned over is located in a straight line where the second crane is located; the connection between the first crane and the turnover device is released, the free end of the first crane is connected with other lifting hooks, and the other lifting hooks are lifting hooks except the lifting hooks which are connected with the first crane and the second crane last time; and controlling the first crane to shorten, and turning over the turning device in the shortening process of the first crane until the turning device turns over to a preset angle.
Compared with the prior art, the large-scale product overturning method provided by the application has the advantages of simple operation process, convenience in use, high bearing capacity of the crane, suitability for overturning large-size and heavy-weight products, no crane travelling in the product overturning process, and higher safety coefficient.
In addition, the application also provides a turnover device and lifting equipment for implementing the turnover method of the large-scale product.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an initial state of a large product turning method according to the present application;
FIG. 2 is a schematic illustration of the first crane of FIG. 1 in a relaxed state;
FIG. 3 is a schematic view of the first crane of FIG. 2 attached to another hook;
FIG. 4 is a schematic view of the first crane of FIG. 3 after the first crane is tightened and the turning device is turned over a certain angle;
fig. 5 is a flowchart of a turning method of a large-scale product according to an embodiment of the present application.
In fig. 1-5:
the lifting hook is characterized in that the lifting hook is 1 of a polygonal frame structure, 2 of the lifting hook, 3 of the first crane and 4 of the second crane.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The core of the application is to provide a large-scale product overturning method which can be suitable for overturning large-scale and heavier products, and the running of a crane is not required to be controlled in the overturning process, so that the safety coefficient is higher. The application further provides a turnover device and lifting equipment comprising the turnover method of the large-scale product.
Please refer to fig. 1-5.
The embodiment discloses a large-scale product overturning method, which is used for overturning and fixing an overturning device of a product to be overturned through hoisting equipment, wherein the overturning device is of a polygonal structure, and lifting hooks 2 are arranged at included angles of the polygonal structure; a first crane 3 and a second crane 4 of the hoisting device; the large-scale product overturning method comprises the following steps:
step S1, controlling the free end of a first crane 3 and the free end of a second crane 4 to be respectively connected with two adjacent or spaced lifting hooks 2 in a turnover device;
step S2, adjusting the telescopic lengths of the first crane 3 and the second crane 4 so as to balance and hoist the turnover device;
step S3, controlling the first crane 3 and the second crane 4 to drive the turnover device to ascend until the distance from the ground at the uppermost end of the turnover device is greater than the length of the longest diagonal line in the turnover device;
step S4, controlling the first crane 3 to extend so as to enable the turnover device to turn over until the first crane 3 is in a loose state;
step S5, the connection between the first crane 3 and the turnover device is released, the free end of the first crane 3 is connected with other lifting hooks 2, and the other lifting hooks 2 are lifting hooks 2 except the lifting hook 2 which is connected with the first crane 3 and the second crane 4 last time;
step S6, the first crane 3 is controlled to shorten so as to enable the turnover device to turn to a preset angle.
It should be noted that, the turning device in this embodiment may be a regular polygon, or may be a non-regular polygon, specifically, may be a rectangle, a square, a regular pentagon, a regular six-deformation, or the like, which is specifically determined according to the actual situation.
In the process of implementing the large-scale product turning method provided in this embodiment, first, it is required to control the free ends of the first crane 3 and the second crane 4 to be respectively connected to two adjacent or spaced hooks 2 in the turning device, and adjust the telescopic lengths of the first crane 3 and the second crane 4, so as to balance and lift the turning device; then the first crane 3 and the second crane 4 are controlled to drive the turning device to ascend until the distance from the ground at the uppermost end of the turning device to the ground is larger than the length of the longest diagonal line in the turning device, the turning device is prevented from contacting the ground in the turning process, the first crane 3 is controlled to stretch so as to enable the turning device to turn until the first crane 3 is in a loose state, and the gravity center of the turning device filled with a product to be turned is located in the straight line of the second crane 4; the connection between the first crane 3 and the turnover device is released, the free end of the first crane 3 is connected with other lifting hooks 2, and the other lifting hooks 2 are lifting hooks 2 except the lifting hook 2 connected with the first crane 3 and the second crane 4 last time; and controlling the first crane 3 to shorten, and turning over the turning device in the shortening process of the first crane 3 until the turning device turns over to a preset angle.
Compared with the prior art, the large-scale product overturning method provided by the embodiment is simple in operation process, convenient to use, high in bearing capacity of the crane, applicable to overturning of large-size and large-weight products, free of crane advancing in the product overturning process, and high in safety coefficient.
The step S2 comprises the following steps:
in step S21, the first crane 3 and the second crane 4 are controlled to extend and retract to the same length.
As shown in fig. 1, when the first crane 3 and the second crane 4 are extended and contracted to the same length, the turning device may be in a balanced state, where the balanced state means that the turning device is in a state as shown in fig. 1, specifically, a center of gravity of the turning device is located at an intermediate position between the hooks 2 connected to the first crane 3 and the second crane 4.
Preferably, the other hooks 2 are hooks 2 adjacent to the hooks 2 connected to the second crane 4; of course, the other hooks 2 in step S5 may be hooks 2 spaced from the hooks 2 connected to the second crane 4, which is determined according to the actual situation.
The step S6 comprises the following steps:
step S61, judging whether the turnover device turns over to a preset angle; if yes, the first crane 3 is controlled to stop shortening and the turnover device is controlled to descend; if not, entering the next step;
step S62, controlling the second crane 4 to extend so as to enable the turnover device to turn over until the second crane 4 is in a loose state;
step S63, the connection between the second crane 4 and the turnover device is released, the free end of the second crane 4 is connected with other lifting hooks 2, and the other lifting hooks 2 are lifting hooks 2 except the lifting hook 2 connected with the first crane 3 and the second crane 4 last time;
step S64, controlling the second crane 4 to shorten, and judging whether the turnover device turns to a preset angle; if yes, controlling the second crane 4 to stop shortening and controlling the turnover device to descend; if not, returning to the step S4.
In the actual overturning process, after the overturning cannot be carried out to a proper angle for one time, the overturning can be continued, and in the continuous overturning process, the first lifting machine 3 and the second lifting machine 4 are loosened in turn, connected with other lifting hooks 2 and tightened until the overturning is carried out to a proper angle.
In a specific embodiment, the turning device is in a rectangular structure, as shown in fig. 1, four hooks 2 (1), (2), (3) and (4) are respectively arranged at four included angles of the rectangular structure, and in the actual turning process, the following steps are needed:
step SA1, controlling the free end of the first crane 3 and the free end of the second crane 4 to be respectively connected with the adjacent lifting hooks (1) and (2) 2 in the turnover device;
step SA2, adjusting the telescopic lengths of the first crane 3 and the second crane 4 so as to balance and hoist the turnover device;
step SA3, controlling the first crane 3 and the second crane 4 to drive the turnover device to ascend until the distance from the ground at the uppermost end of the turnover device is greater than the length of the longest diagonal line in the turnover device;
step SA4, controlling the first crane 3 to extend so that the turning device turns right in the direction of illustration, as shown in FIG. 2, until the first crane 3 is in a relaxed state;
step SA5, disconnecting the first crane 3 from the lifting hook 2 at the position (2) of the turning device, and connecting the free end of the first crane 3 to the lifting hook 2 at the position (3), as shown in FIG. 3;
in step SA6, the first crane 3 is controlled to shorten to turn the turning device to a predetermined angle, as shown in fig. 4.
When the turning device cannot be turned to a proper angle after the first crane 3 is shortened in step SA6, the second crane 4 needs to be controlled to be extended until the second crane 4 is in a relaxed state, the connection between the second crane 4 and the hook 2 at the position (1) is released, the free end of the second crane 4 is connected to the crane at the position (4), and the second crane 4 is controlled to be shortened until the turning device is turned to a proper angle.
In addition to the above-mentioned large-scale product turning method, the present application also provides a turning device for fixing a product to be turned in any one of the above-mentioned large-scale product turning methods, the turning device comprising:
the polygonal frame structure 1 is provided with lifting hooks 2 at the included angles;
the detachable clamping blocks are fixedly arranged on the polygonal frame structure 1 and used for fixing a product to be overturned.
In the in-service use process, the product to be overturned needs to be placed in the polygonal frame structure 1, the product to be overturned is clamped and fixed by using the clamping blocks, and after the shape and the size of the product to be overturned are changed, the clamping can be realized by adjusting the mounting positions of the clamping blocks or replacing the clamping blocks with different shapes and sizes so as to adapt to the products which do not pass through the sizes and the different shapes. The polygonal frame structure 1 is provided with a plurality of connection holes for connection with the clamping blocks.
The polygonal frame 1 is rectangular, although the polygonal frame 1 may be other shapes as desired.
Preferably, the hooks 2 may be welded to the polygonal frame structure 1.
Preferably, the polygonal frame structure 1 is provided with a sensor for detecting the height of the polygonal frame structure from the ground, and when the distance from the polygonal frame structure 1 to the ground is larger than the longest diagonal distance, the sensor sends out a signal, and the control structure can control the turnover device to stop rising after receiving the signal.
Besides the large-scale product turning method, the application also provides a lifting device for controlling the turning device in the large-scale product turning method, wherein the device comprises a first crane 3 and a second crane 4, the first crane 3 and the second crane 4 are connected to the same lifting rope, the lifting rope can be arranged in a lifting manner, and the free end of the first crane 3 and the free end of the second crane 4 are used for being connected with a lifting hook 2 in the turning device.
The references to "first" and "second" in the first crane 3 and the second crane 4 in the present document are merely for distinguishing between the differences in position, and are not sequential.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. Any combination of all the embodiments provided in the present application is within the protection scope of the present application, and will not be described herein.
The large-scale product overturning method, the overturning device and the hoisting equipment provided by the application are described in detail. The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.
Claims (10)
1. The turnover device is of a polygonal structure, and lifting hooks (2) are arranged at included angles of the polygonal structure; the hoisting equipment comprises a first crane (3) and a second crane (4); the method is characterized in that the method for overturning the large-sized product comprises the following steps:
the free end of the first crane (3) and the free end of the second crane (4) are controlled to be respectively connected with two adjacent or spaced lifting hooks (2) in the turnover device;
adjusting the telescopic lengths of the first crane (3) and the second crane (4) so as to balance and hoist the turnover device;
controlling the first crane (3) and the second crane (4) to drive the turnover device to ascend until the ground clearance at the uppermost end of the turnover device is greater than the length of the longest diagonal line in the turnover device;
controlling the first crane (3) to extend so as to enable the turnover device to turn over until the first crane (3) is in a relaxed state;
the connection between the first crane (3) and the turnover device is released, the free end of the first crane (3) is connected with other lifting hooks (2), and the other lifting hooks (2) are lifting hooks (2) except for the lifting hook (2) which is connected with the first crane (3) and the second crane (4) last time;
and controlling the first crane (3) to shorten so as to enable the turnover device to turn to a preset angle.
2. A method of turning over a large product according to claim 1, wherein said adjusting the telescopic lengths of the first crane (3) and the second crane (4) to balance the turning over device comprises:
and controlling the first crane (3) and the second crane (4) to stretch to the same length.
3. A method of turning over a large product according to claim 1, characterized in that the other hooks (2) are hooks (2) adjacent to the hooks (2) connected to the second crane (4).
4. A large product turning method according to claim 1, characterized by controlling the first crane (3) to shorten to turn the turning device to a preset angle, comprising:
judging whether the turnover device turns over to a preset angle or not; if yes, the first crane (3) is controlled to stop shortening and the turnover device is controlled to descend; if not, entering the next step;
controlling the second crane (4) to extend so as to enable the turnover device to turn over until the second crane (4) is in a relaxed state;
the connection between the second crane (4) and the turnover device is released, the free end of the second crane (4) is connected with other lifting hooks (2), and the other lifting hooks (2) are lifting hooks (2) except for the lifting hook (2) which is connected with the first crane (3) and the second crane (4) last time;
controlling the second crane (4) to shorten, and judging whether the turnover device turns to a preset angle or not; if yes, the second crane (4) is controlled to stop shortening and the turnover device is controlled to descend; if not, returning to the step of controlling the first crane (3) to extend so as to enable the turnover device to turn over until the first crane (3) is in a relaxed state.
5. A turning device for fixing a product to be turned in the large-scale product turning method according to any one of claims 1 to 4, characterized in that the turning device comprises:
the polygonal frame structure (1) is provided with lifting hooks (2) at the included angles;
the detachable clamping blocks are fixedly arranged on the polygonal frame structure (1) and used for fixing a product to be overturned.
6. The turning device according to claim 5, characterized in that the polygonal frame structure (1) is rectangular.
7. The turning device of claim 5, wherein a plurality of said clamping blocks are different in shape and size to accommodate different shape and size of said product.
8. The tilting device according to claim 5, characterized in that the polygonal frame structure (1) is provided with a sensor for detecting its ground clearance.
9. The turning device according to claim 5, characterized in that the hooks (2) are welded to the polygonal frame structure (1).
10. Lifting equipment for controlling turning of turning devices in a large product turning method according to any of the preceding claims 1-4, characterized in that the equipment comprises a first crane (3) and a second crane (4), the first crane (3) and the second crane (4) are connected to the same lifting rope, the lifting rope is arranged in a liftable manner, and the free end of the first crane (3) and the free end of the second crane (4) are used for connecting lifting hooks (2) in the turning devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310451259.7A CN116605746A (en) | 2023-04-24 | 2023-04-24 | Large-scale product overturning method, overturning device and hoisting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310451259.7A CN116605746A (en) | 2023-04-24 | 2023-04-24 | Large-scale product overturning method, overturning device and hoisting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116605746A true CN116605746A (en) | 2023-08-18 |
Family
ID=87684477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310451259.7A Pending CN116605746A (en) | 2023-04-24 | 2023-04-24 | Large-scale product overturning method, overturning device and hoisting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116605746A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117142353A (en) * | 2023-10-31 | 2023-12-01 | 大连华锐重工集团股份有限公司 | Full-automatic overturn control method for nuclear island main equipment |
-
2023
- 2023-04-24 CN CN202310451259.7A patent/CN116605746A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117142353A (en) * | 2023-10-31 | 2023-12-01 | 大连华锐重工集团股份有限公司 | Full-automatic overturn control method for nuclear island main equipment |
| CN117142353B (en) * | 2023-10-31 | 2024-01-09 | 大连华锐重工集团股份有限公司 | Full-automatic overturn control method for nuclear island main equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116605746A (en) | Large-scale product overturning method, overturning device and hoisting equipment | |
| KR101506634B1 (en) | The lift crane for sub-precise equipment and distribution | |
| CN206999277U (en) | A kind of wallboard turning device | |
| KR20060035704A (en) | The length adjustable wire sling | |
| CN105417397B (en) | A kind of Mobile hoisting hoisting transportation device and method | |
| KR200402250Y1 (en) | Weight balancer of pulling up thing for a crane | |
| KR20140004732U (en) | Cart for ornamenting ship | |
| KR101262317B1 (en) | Apparatus for transferring system support | |
| JP2024508194A (en) | Boom tray and boom nut attachment device for girder lifting equipment | |
| CN216807824U (en) | Pipeline mobile device for hydraulic engineering | |
| JP2013218102A (en) | Frame for movable equipment for safety experience | |
| CN214495527U (en) | Movable hand chain block lifting support | |
| CN114348860A (en) | Steel box girder hoisting equipment with automatic leveling function | |
| CN203889872U (en) | Installing device for front windshield of motor train | |
| CN205226226U (en) | Large -scale gallows of taking a trial run of counter weight space adjustable | |
| US8668482B2 (en) | Formwork and formwork method of a concrete construction | |
| CN216072775U (en) | Jack moving device | |
| CN216699354U (en) | Cable laying device | |
| JPH0891770A (en) | Long member suspending device | |
| CN220746934U (en) | Auxiliary device for mechanical connection of cast-in-place pile reinforcement cage pile extension | |
| CN220596850U (en) | Single-beam hoisting equipment | |
| CN209618744U (en) | A kind of interior conduit lifting ease of Use platform | |
| CN217650695U (en) | Gallows assembly and have its handling equipment | |
| CN210023307U (en) | Wire drawing machine receives line support | |
| CN218842877U (en) | Strutting arrangement with adjustable bridge construction is used |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |