CN219449103U - Secondary beam lifting device - Google Patents
Secondary beam lifting device Download PDFInfo
- Publication number
- CN219449103U CN219449103U CN202320315176.0U CN202320315176U CN219449103U CN 219449103 U CN219449103 U CN 219449103U CN 202320315176 U CN202320315176 U CN 202320315176U CN 219449103 U CN219449103 U CN 219449103U
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- secondary beam
- lifting
- derrick
- lifting device
- lug plate
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- 230000001154 acute effect Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Jib Cranes (AREA)
Abstract
The secondary beam hoisting device disclosed by the utility model comprises a derrick mast and a hoisting lug plate. The first end of the derrick mast is provided with an abutting part for abutting with the shear wall, the second end of the derrick mast is provided with a connecting part for connecting with the main beam, the derrick mast is used for being connected between the shear wall and the main beam, and a first included angle between the lower surface of the derrick mast and the shear wall is an acute angle when the secondary beam is hoisted. The lifting lug plate is arranged on the derrick mast and is used for hanging the chain block so as to realize the lifting of the secondary beam through the chain block. The secondary beam lifting device disclosed by the utility model has the advantages of simple structure, simplicity and convenience in manufacturing, low manufacturing cost, less labor required, light dead weight, convenience in carrying and mounting, convenience in mounting, reusability along with use, and improvement of the working efficiency and the construction speed while enhancing the construction safety of the secondary beam.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a secondary beam hoisting device.
Background
In the partial construction process, due to the fact that the construction space in the core tube is narrow, the upper space is blocked by the climbing form, the space angle distance is limited, and the like, the secondary beam in the core tube cannot be normally used for hoisting operation by the tower crane, and the existing construction potential safety hazard is also larger and larger.
In the prior art, the secondary beam is installed by adopting the windlass, namely, two windlass are oppositely arranged at the secondary beam installation position of the installation layer, the secondary beam is transported to the bottom in the core tube, and the windlass is matched with a cable rope and a chain block to transport the secondary beam to the installation layer for installation. The winch of this kind of secondary beam mounting means arranges consuming time longer, and the device's position relatively fixed, can't be accurate transport the secondary beam to the installation position, install and tear down inconveniently, and for satisfying the installation of individual layer secondary beam, it arranges 6 times to need to remove, still need constantly rearrange along with the erection bed changes, consuming time and consuming power, and along with hoist and mount height's constantly increase, single secondary beam hoist time is longer and longer, and because the space is narrow and small in the core section of thick bamboo, the probability of the emergence of accidents such as wire rope fracture that the collision friction leads to in the secondary beam rising process constantly increases, need dispose the protection of more personnel in the intermediate level hoist and mount in-process for the assurance safety, engineering progress control and safety management have been influenced to a very large extent.
Therefore, how to conveniently, efficiently and safely realize the installation of the secondary beam is a technical problem to be solved by the technicians in the field.
Disclosure of Invention
Therefore, the utility model aims to provide the secondary beam hoisting device which is convenient, efficient and safe to install the secondary beam.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a secondary beam lifting device, comprising:
the first end of the derrick mast is provided with an abutting part for abutting against the shear wall, the second end of the derrick mast is provided with a connecting part for connecting with the main beam, and a first included angle between the lower surface of the derrick mast and the shear wall is an acute angle when the secondary beam is hoisted;
and the lifting lug plate is arranged on the derrick mast and is used for hanging a chain block so as to realize the lifting of the secondary beam.
Preferably, in the secondary beam hoisting device, the hoisting lug plate is provided with a derrick through hole for the derrick to pass through.
Preferably, in the secondary beam hoisting device, a second included angle between the hoisting lug plate and the derrick mast is an acute angle, and the second included angle is equal to the first included angle, so that when the secondary beam is hoisted, a plane where the hoisting lug plate is located is parallel to a plane where the shear wall is located.
Preferably, in the secondary beam lifting device, the lifting lug plate is provided with a lifting hole for the chain block to be hung.
Preferably, in the secondary beam hoisting device, the connecting portion is provided with a connecting hole for connecting with the main beam.
Preferably, in the secondary beam lifting device, the number of the connecting holes is plural.
Preferably, in the secondary beam hoisting device, the abutting portion is a welded steel plate, and an abutting area of the abutting portion and the shear wall is larger than a connection area of the abutting portion and the raking rod.
Preferably, in the secondary beam hoisting device, the connecting portion is a welding connection plate, and the connecting portion is used for being connected with the upper surface of the main beam.
Preferably, in the secondary beam lifting device, the lifting lug plate is arranged at the middle position of the derrick mast.
Preferably, in the secondary beam lifting device, a limiting portion is disposed on the gin pole, the lifting lug plate is sleeved on the gin pole, and the lifting lug plate 130 is disposed between the abutting portion and the limiting portion.
The secondary beam hoisting device provided by the utility model comprises a derrick mast and a hoisting lug plate. The first end of the derrick mast is provided with an abutting part for abutting with the shear wall, the second end of the derrick mast is provided with a connecting part for connecting with the main beam, the derrick mast is used for being connected between the shear wall and the main beam, and a first included angle between the lower surface of the derrick mast and the shear wall is an acute angle when the secondary beam is hoisted. The lifting lug plate is arranged on the derrick mast and is used for hanging the chain block so as to realize the lifting of the secondary beam through the chain block. Compared with the prior art, the secondary beam hoisting device provided by the utility model has the advantages of simple structure, simplicity and convenience in manufacturing, low manufacturing cost, less labor required, light dead weight, convenience in carrying, convenience in mounting, reusability, and improvement of the working efficiency and the construction speed while enhancing the construction safety of the secondary beam.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an installation structure of a secondary beam hoisting device disclosed in an embodiment of the utility model;
FIG. 2 is a top view of a secondary beam lifting device according to an embodiment of the present utility model;
fig. 3 is a front view of a secondary beam lifting device according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a connection structure between a gin pole and an abutting part of the secondary beam lifting device according to the embodiment of the utility model;
fig. 5 is a front view of an abutting portion of the secondary beam lifting device according to the embodiment of the present utility model;
FIG. 6 is a side view of an abutment of the secondary beam lifting device disclosed in an embodiment of the present utility model;
FIG. 7 is a side view of a lifting lug of the secondary beam lifting device disclosed in an embodiment of the utility model;
fig. 8 is a front view of a lifting lug of the secondary beam lifting device disclosed in the embodiment of the utility model;
FIG. 9 is a schematic diagram of a connection structure between a gin pole and a connection part of the secondary beam lifting device according to the embodiment of the utility model;
FIG. 10 is a front view of a connection portion of a secondary beam lifting device according to an embodiment of the present utility model;
FIG. 11 is a top view of a connection portion of a secondary beam lifting device according to an embodiment of the present utility model;
wherein 100 is a derrick mast, 110 is an abutting part, 120 is a connecting part, 121 is a connecting hole, 130 is a lifting lug plate, 131 is a derrick mast via hole, 132 is a lifting hole, 200 is a shear wall, 300 is a main beam, and 400 is a chain block.
Detailed Description
The utility model discloses a secondary beam hoisting device, which is used for conveniently, efficiently and safely installing a secondary beam.
Hereinafter, embodiments will be described with reference to the drawings. Furthermore, the embodiments shown below do not limit the summary of the utility model described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the utility model described in the claims.
Referring to fig. 1 to 11, the secondary beam lifting device disclosed in the embodiment of the utility model includes a gin pole 100 and a lifting lug 130. The gin pole 100 has a first end provided with an abutting portion 110 for abutting against the shear wall 200, a second end provided with a connecting portion 120 for connecting with the main beam 300, the gin pole 100 is connected between the shear wall 200 and the main beam 300, and a first included angle between a lower surface of the gin pole and the shear wall is an acute angle when the secondary beam is hoisted. The lifting lug 130 is disposed on the gin pole 100, and the lifting lug 130 is used for hooking the chain hoist 400 to realize lifting of the secondary beam through the chain hoist 400.
Before the secondary beam is lifted, the secondary beam is lifted to a transporting platform closest to the construction layer and with the outer frame structure completed, then the secondary beam is transported to the position right below the installation layer in the core tube by using the transporting platform, the connecting part 120 of the secondary beam lifting device disclosed by the embodiment of the utility model is connected with the main beam 300, the abutting part 110 is arranged on the shear wall 200 (the inner wall of the core tube) so that the derrick mast 100 is used as a stress supporting rod, and finally the chain block 400 is hung on the lifting lug 130 to install the secondary beam. And repeating the operation to finish the installation of the secondary beam in the core tube.
Compared with the prior art, the secondary beam hoisting device disclosed by the embodiment of the utility model has the advantages of simple structure, simplicity and convenience in manufacturing, low manufacturing cost, less labor required, light dead weight, convenience in carrying, convenience in installation, convenience in use and assembly, repeated utilization, and improvement of the working efficiency and the construction speed while enhancing the construction safety of the secondary beam.
In a specific embodiment of the disclosure, as shown in fig. 7 and fig. 8, the lifting lug 130 is provided with a derrick via 131 for the derrick 100 to pass through, a second included angle between the lifting lug 130 and the derrick 100 is an acute angle, and the second included angle is equal to the first included angle, so that a plane where the lifting lug 130 is located is parallel to a plane where the shear wall 200 is located when the secondary beam lifting is performed, and thus the lifting lug 130 is vertically stressed. Specifically, the included angle between the axis of the derrick mast via hole 131 and the plane of the lifting lug 130 may be 45 °, that is, the derrick mast 100 passes through the plane of the lifting lug 130 at an angle of 45 °, so that the lifting lug 130 is vertically arranged when the secondary beam is lifted, and the derrick mast 100 is connected between the shear wall 200 and the main beam 300 at an angle of 45 ° with respect to the vertical direction.
To facilitate the installation of the chain 400, the lifting lug 130 is provided with a lifting hole 132 for the hooking of the chain 400. Specifically, the size of the lifting hole 132 is phi 80mm, and the lifting hook of the chain block 400 can pass through the lifting hole 132 to ensure that the connection between the chain block 400 and the lifting lug 130 is not affected under different angles, thereby facilitating the normal use of the chain block 400 and having simple operation.
In order to connect the connection portion 120 with the girder 300, referring to fig. 9 to 11, a connection hole 121 for connecting with the girder 300 is formed in the connection portion 120. Reliable connection of the gin pole 100 to the main beam 300 can be achieved by high strength bolts.
Further, in order to prevent the gin pole 100 from sideslip, the number of the connection holes 121 is plural (including two). The arrangement form between the plurality of connection holes 121 can be designed by itself. For example, the connecting holes 121 may be 2 high-strength bolt holes with a diameter of 22mm, which is not only convenient for installing M20 high-strength bolts and increasing the fault tolerance of installation errors, but also ensures that the connection between the connecting portion 120 and the main beam 300 is more firm and reliable, and the adoption of double bolts can effectively ensure that the gin pole 100 does not generate excessive lateral displacement at the connection position of the shear wall 200, ensure that the gin pole 100 is integrally arranged on a controllable plane line, and increase the safety factor of use.
In a specific embodiment of the present disclosure, the gin pole 100 has a size (100 mm×50mm×3 mm), a pole length of 3600mm, and the abutting portion 110 is a welded steel plate (100mmx 100mm x 30mm) in conjunction with fig. 4 to 6, and the abutting area of the abutting portion 110 and the shear wall 200 is larger than the connection area with the gin pole 100, so that the friction force is enhanced by increasing the contact area, the contact surface of the abutting portion 110 and the gin pole 100 can be welded with four sides to ensure the stability of the connection portion, and the included angle between the abutting portion 110 and the axis of the gin pole 100 is 45 °, so that the abutting portion 110 and the shear wall 200 can be effectively tightly adhered during use. The connecting portion 120 is the welded connection board of (150mmx 100mmx 30mm), and the welded connection board is connected with the upper surface of girder 300 and can increase the area of contact of derrick mast 100 and girder 300 in order to strengthen frictional force, and the contact surface of connecting portion 120 and derrick mast 100 can adopt four sides girth weld to ensure the firm of junction, and the contained angle between the axis of connecting portion 120 and derrick mast 100 is 45, and connecting portion 120 and girder 300 closely in the time of can effectively guaranteeing the use, further assurance device's steadiness.
It should be noted that, other connection angles may be formed between the abutting portion 110 and the connecting portion 120 and the gin pole 100, and it is only necessary to ensure that the planes of the abutting portion 110 and the connecting portion 120 are parallel, and the gin pole 100 is stably disposed between the shear wall 200 and the main beam 300. When the angles between the abutting portion 110 and the connecting portion 120 and the gin pole 100 are 45 degrees, the gin pole 100 can be tightly attached to the shear wall 200 and the main beam 300, and the stress is balanced, so that the safety problems such as sideslip and the like can not occur.
Under the condition of 1.2D+1.4L of load combination, the maximum stress of the secondary beam lifting device is a position at the central force acting point of the gin pole 100, sigma=138.9 MPa is less than 215MPa, the maximum deformation position of the secondary beam lifting device is positioned at the central part of the gin pole 100, d=19.8mm is less than L/250=20.8mm, the standard limit values are all met, and the secondary beam lifting device can be safely used.
It should be noted that the materials used for the secondary beam hoisting device disclosed by the embodiment of the utility model are common materials, and the secondary beam hoisting device can be processed, prepared and used at any time on a construction site.
In a specific embodiment of the present disclosure, a limiting portion is disposed on the gin pole 100, a lifting lug 130 is sleeved on the gin pole 100, and the lifting lug 130 is disposed between the abutting portion 110 and the limiting portion. Specifically, the lifting lug 130 can freely slide between the abutting portion 110 and the limiting portion, and when the secondary beam is lifted, the lifting lug 130 slides under the tensile force of the chain hoist 400 and is limited at the middle of the derrick mast 100 by the limiting portion, so that the lifting function is realized. The limiting portion may be a fixed ring block welded on the gin pole 100.
As shown in fig. 1, in order to make the gin pole 100 uniformly stressed during the secondary beam hoisting process, a hoisting lug 130 is disposed in the middle of the gin pole 100. The lifting lug 130 can be a lifting welding lug of (311mmx 160mmx 30mm), the lifting lug 130 and the periphery of the groveling rod 100 can be connected by double-sided girth welding, so that the stability of a connecting point is reliably ensured, the connection of the lifting lug 130 and the groveling rod is safer and more firm, and when the lifting lug is used, the lifting lug 130 is vertically downward, and the stress balance of the secondary beam lifting device in the lifting process is more facilitated.
When the secondary beam is hoisted, according to the position of the secondary beam to be installed, the connecting part 120 of the secondary beam hoisting device is connected with the connecting hole 121 on the welding connecting plate by using high-strength bolts, the secondary beam is fixed on the main beam flange plate at the installation position, one end of the derrick mast 100 provided with the abutting part 110 is reliably arranged on the inner wall of the core tube and is guaranteed to be on the same plane with the installed secondary beam, sideslip is prevented, the chain block 400 is arranged in the hoisting hole 132 of the hoisting lug plate 130, the chain block 400 is slowly pulled, the secondary beam is stably conveyed to the installation height, the secondary beam is fixed on the main beam 300 and the secondary beam embedded part by using temporary bolts after the position of the secondary beam is finely adjusted, the upper and lower flange plates of the secondary beam are welded for reinforcement, and finally the secondary beam hoisting device is dismantled, so that the installation work of the secondary beam can be efficiently and safely completed.
The secondary beam hoisting device disclosed by the embodiment of the utility model is convenient to install and use, greatly reduces the hoisting distance and the positioning installation time, can be used for circulating turnover, saves resources, does not cause secondary pollution in the whole use process, and is environment-friendly.
The terms first and second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements but may include steps or elements not expressly listed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a secondary beam hoist device which characterized in that includes:
the derrick comprises a derrick body (100), wherein a first end of the derrick body (100) is provided with an abutting part (110) for abutting against a shear wall (200), a second end of the derrick body is provided with a connecting part (120) for connecting with a main beam (300), and a first included angle between the lower surface of the derrick body (100) and the shear wall (200) is an acute angle when a secondary beam is hoisted;
and the lifting lug plate (130) is arranged on the derrick mast (100), and the lifting lug plate (130) is used for hanging the chain block (400) so as to realize the lifting of the secondary beam.
2. The secondary beam lifting device according to claim 1, wherein the lifting lug plate (130) is provided with a derrick via (131) for the derrick (100) to pass through.
3. The secondary beam lifting device according to claim 2, wherein a second included angle between the lifting lug plate (130) and the derrick mast (100) is an acute angle, and the second included angle is equal to the first included angle, so that a plane where the lifting lug plate (130) is located is parallel to a plane where the shear wall (200) is located when the secondary beam lifting is performed.
4. The secondary beam lifting device according to claim 1, characterized in that the lifting lug plate (130) is provided with a lifting hole (132) for the hooking of the chain block (400).
5. The secondary beam lifting device according to claim 1, wherein the connecting portion (120) is provided with a connecting hole (121) for connecting with the main beam (300).
6. The secondary beam lifting device according to claim 5, wherein the number of connecting holes (121) is plural.
7. The secondary beam lifting device according to any one of claims 1 to 6, wherein the abutting portion (110) is a welded steel plate, and an abutting area of the abutting portion (110) and the shear wall (200) is larger than a connection area with the gin pole (100).
8. The secondary beam lifting device according to any one of claims 1 to 6, wherein the connection portion (120) is a welded connection plate, and the connection portion (120) is configured to be connected to an upper surface of the main beam (300).
9. Secondary beam lifting device according to any one of claims 1-6, characterized in that the lifting lugs (130) are arranged in the middle of the gin pole (100).
10. The secondary beam lifting device according to any one of claims 1 to 6, wherein a limiting portion is provided on the derrick mast (100), the lifting lug plate (130) is sleeved on the derrick mast (100), and the lifting lug plate (130) is disposed between the abutting portion (110) and the limiting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320315176.0U CN219449103U (en) | 2023-02-24 | 2023-02-24 | Secondary beam lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320315176.0U CN219449103U (en) | 2023-02-24 | 2023-02-24 | Secondary beam lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219449103U true CN219449103U (en) | 2023-08-01 |
Family
ID=87381159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320315176.0U Active CN219449103U (en) | 2023-02-24 | 2023-02-24 | Secondary beam lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219449103U (en) |
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2023
- 2023-02-24 CN CN202320315176.0U patent/CN219449103U/en active Active
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