CN215924137U - Installation supporting device of large-scale nut - Google Patents
Installation supporting device of large-scale nut Download PDFInfo
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- CN215924137U CN215924137U CN202122299025.4U CN202122299025U CN215924137U CN 215924137 U CN215924137 U CN 215924137U CN 202122299025 U CN202122299025 U CN 202122299025U CN 215924137 U CN215924137 U CN 215924137U
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- rolling bearing
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Abstract
The application discloses installation supporting device of large-scale nut relates to cable-stay bridge installation construction technical field, contains: the top layer tray is used for supporting and fixing the large nut; the bottom tray is arranged below the top tray at intervals and comprises a plurality of lifting lugs used for connecting lifting equipment; the rolling bearing is tightly attached to the position between the top layer tray and the bottom layer tray, the bottom layer tray is fixed to the inner ring of the rolling bearing, the top layer tray is fixed to the outer ring of the rolling bearing, and the rolling bearing and the large nut are coaxially arranged. The application discloses installation supporting device can install large-scale nut high-efficiently.
Description
Technical Field
The application relates to the technical field of installation and construction of cable-stayed bridges, in particular to an installation and bearing device for large nuts.
Background
At present, in the construction process of large bridges, particularly in the construction of parallel steel wire stay cables, large fixing nuts of anchor heads at beam ends are installed in a contraposition mode from bottom to top. In the traditional construction technology, the large fixing nut is often installed manually due to the limitation of operation conditions, the large fixing nut is lifted manually, then the connecting sleeve of the anchor head is aligned, and then the large fixing nut is screwed and installed in a rotating mode.
However, the anchor head nuts of a general cable-stayed bridge are large, the weight of the anchor head nuts is more than hundreds of kilograms, the installation of constructors is quite difficult, and the installation of one large nut usually takes a long time and wastes time and labor; meanwhile, the installation mode has low construction efficiency, high labor intensity of workers and high safety risk.
Therefore, there is a need in the art to design a device that can quickly install large nuts.
Disclosure of Invention
To the defect that exists among the prior art, the utility model aims to provide an installation supporting device of large-scale nut can install large-scale nut high-efficiently.
In order to achieve the above purposes, the technical scheme is as follows: a large nut mounting and holding apparatus comprising: the top layer tray is used for supporting and fixing the large nut; the bottom tray is arranged below the top tray at intervals and comprises a plurality of lifting lugs used for connecting lifting equipment; the rolling bearing is tightly attached to the position between the top layer tray and the bottom layer tray, the bottom layer tray is fixed to the inner ring of the rolling bearing, the top layer tray is fixed to the outer ring of the rolling bearing, and the rolling bearing and the large nut are coaxially arranged.
On the basis of the technical scheme, the top layer tray comprises a bottom plate, a side plate and a plurality of tightening screws, the side plate is perpendicular to the edge of the bottom plate and is circumferentially arranged along the edge of the bottom plate, the tightening screws penetrate through the side plate, and the end parts of the tightening screws are abutted against the side wall of the large nut.
On the basis of the technical scheme, the base plate is circular, and when the large nut is fixed, the large nut and the base plate are coaxially arranged.
On the basis of the technical scheme, the side plate is annular and is circumferentially arranged along the edge of the bottom plate, and the plurality of tightening screws are radially arranged along the bottom plate.
On the basis of the technical scheme, the side plate is provided with a plurality of threaded holes, and the jacking screws are matched with the threaded holes one by one.
On the basis of the technical scheme, the bottom layer tray further comprises a supporting plate, the supporting plate is a circular plate, and the supporting plate and the bottom plate are arranged on two sides of the rolling bearing in a tightly attached mode respectively.
On the basis of the technical scheme, the lifting lugs are uniformly welded around the supporting plate at equal angles.
On the basis of the technical scheme, the number of the lifting lugs is four, and the lifting lugs are arranged in the circumferential direction of the supporting plate at right angles.
On the basis of the technical scheme, the axes of the bottom plate, the supporting plate and the large nut are coaxially arranged.
On the basis of the technical scheme, the rolling bearing adopts a ball bearing.
The beneficial effect that technical scheme that this application provided brought includes:
the installation supporting device for the large nuts comprises a top layer tray, a bottom layer tray and a rolling bearing, wherein the top layer tray is used for supporting and fixing the large nuts, the bottom layer tray is used for butting and connecting lifting equipment, when the installation supporting device is installed, the lifting equipment is fixed to lifting lugs of the bottom layer tray through soft lifting belts or guide chains, the installation supporting device fixed with the large nuts is lifted to a position to be installed, and constructors rotate the top layer tray in an auxiliary operation mode, so that the large nuts are gradually screwed down with connecting sleeves of anchor heads until the large nuts are installed in place; the installation supporting device of this application can high-efficient installation large-scale nut to the adapter sleeve of anchor head, and the efficiency of construction is high, labour saving and time saving, and the security of construction safety is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Figure 1 is an elevational schematic view of an installation racking device provided in accordance with an embodiment of the present application.
FIG. 2 is a schematic plan view of a top tray provided in an embodiment of the present application;
FIG. 3 is a schematic plan view of a base tray provided in an embodiment of the present application;
reference numerals: 1. a top layer tray; 11. a base plate; 12. a side plate; 13. jacking the screw tightly; 2. a bottom tray; 21. a support plate; 22. lifting lugs; 3. a rolling bearing; 4. large nuts.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the present application discloses an embodiment of a large nut installation supporting device, which includes a top tray 1, a bottom tray 2 and a rolling bearing 3, wherein the top tray 1 is used for supporting and fixing a large nut 4. The bottom layer tray 2 is arranged below the top layer tray 1 at intervals, the bottom layer tray 2 serves as a base, and the bottom layer tray 2 comprises a plurality of lifting lugs 22 used for connecting lifting equipment. Antifriction bearing 3 hugs closely and sets up between top layer tray 1 and bottom tray 2, and bottom tray 2 is fixed with antifriction bearing 3's inner circle, and top layer tray 1 is fixed with antifriction bearing 3's outer lane, and antifriction bearing 3 and treat the coaxial setting of large-scale nut 4 of bearing.
Preferably, the bottom layer tray 2 and the inner ring of the rolling bearing 3 are fixed by welding, and the top layer tray 1 and the outer ring of the rolling bearing 3 are fixed by welding.
As shown in fig. 2, in one embodiment, the top tray 1 comprises a bottom plate 11, a side plate 12 and a plurality of tightening screws 13, wherein the side plate 12 is perpendicular to the edge of the bottom plate 11 and is circumferentially arranged along the edge of the bottom plate 11 and surrounds the edge of the bottom plate 11 for a whole circle. The tightening screws 13 penetrate the side plates 12, and the end parts of the tightening screws are abutted against the side walls of the large nuts 4, so that the large nuts are fixed by the tightening screws 13.
In one embodiment, the base plate 11 is circular, and when the large nut 4 is fixed, the axis of the large nut 4 is coaxial with the central axis of the base plate 11. Circular shape bottom plate 11 can guarantee when using installation supporting device to carry out large-scale nut installation, and the installation is accurate, avoids taking place eccentric rotation.
Further, the side plate 12 is annular, and it sets up along bottom plate 11 border circumference, and a plurality of tight screw 13 of top radially sets up along bottom plate 11. The annular side plate 12 serves to prevent the large nut from falling off, and provides a structural foundation for the tightening screw 13.
Preferably, the number of the tightening screws 13 is four, the four tightening screws 13 are arranged at a right angle between every two tightening screws, and the four tightening screws 13 are simultaneously tightened to fix the large nut.
In one embodiment, the side plate 12 is provided with a plurality of threaded holes, and the tightening screws 13 are matched with the threaded holes one by one. The jacking screw 13 is screwed tightly from outside to inside along the threaded hole of the side plate 12 to fix the large nut.
As shown in fig. 3, in one embodiment, the bottom tray 2 further includes a supporting plate 21, the supporting plate 21 is a circular plate, the supporting plate 21 and the bottom plate 11 are respectively disposed on the upper and lower sides of the rolling bearing 3, the supporting plate 21 is fixed to the inner ring of the rolling bearing 3, and the bottom plate 11 is fixed to the outer ring of the rolling bearing 3.
Preferably, a plurality of lifting lugs 22 are uniformly welded around the supporting plate 21 at equal angles, so that the whole installation and supporting device can be hung by using a hoisting device conveniently.
Further, four lifting lugs 22 are arranged in the circumferential direction of the support plate 21 at right angles to each other.
In the actual installation process of the large nut, the axes of the bottom plate 11, the supporting plate 21 and the large nut 4 are coaxially arranged, so that the rotating supporting plate 21 can conveniently drive the large nut 4 to rotate, the screwing work of the large nut is completed, and the large nut is prevented from eccentrically rotating.
In one embodiment, the rolling bearing 3 is a ball bearing; in another embodiment, the rolling bearing 3 is a tapered roller bearing.
The installation supporting device for the large nuts comprises a top layer tray 1, a bottom layer tray 2 and a rolling bearing 3, wherein the top layer tray 1 is used for supporting and fixing the large nuts, the bottom layer tray 2 is used for butting and connecting lifting equipment, the large nuts are fixed by using a jacking screw 13 during installation, the lifting equipment is fixed on a lifting lug 22 of the bottom layer tray 2 by using a soft hanging strip or a guide chain, the installation supporting device fixed with the large nuts 4 is lifted to a position to be installed, and the top layer tray 1 is rotated by the auxiliary operation of constructors, so that the large nuts are gradually screwed with connecting sleeves of anchor heads until the large nuts 4 are installed in place; after the tight screw 13 in top can, the installation supporting device of this application can high-efficient installation large-scale nut 4 to the adapter sleeve of anchor head, the efficiency of construction is high, labour saving and time saving, the construction safety is high, the practicality is strong.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. 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 application. Thus, the present application 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 an installation supporting device of large-scale nut which characterized in that contains:
the top layer tray (1) is used for supporting and fixing the large nut (4);
the bottom layer tray (2) is arranged below the top layer tray (1) at intervals, and the bottom layer tray (2) comprises a plurality of lifting lugs (22) used for connecting lifting equipment;
the rolling bearing (3) is tightly attached to the top layer tray (1) and arranged between the bottom layer trays (2), the bottom layer trays (2) are fixed to the inner rings of the rolling bearing (3), the top layer trays (1) are fixed to the outer rings of the rolling bearing (3), and the rolling bearing (3) and the large nut (4) are coaxially arranged.
2. A large nut mounting and supporting apparatus as claimed in claim 1 wherein: the top tray (1) comprises a bottom plate (11), a side plate (12) and a plurality of tightening screws (13), wherein the side plate (12) is perpendicular to the edge of the bottom plate (11) and is circumferentially arranged along the edge of the bottom plate (11), the tightening screws (13) penetrate through the side plate (12), and the end part of each tightening screw abuts against the side wall of the large nut (4).
3. A large nut mounting and supporting apparatus as claimed in claim 2 wherein: the base plate (11) is circular, and when the large nut (4) is fixed, the large nut (4) and the base plate (11) are coaxially arranged.
4. A large nut mounting and supporting apparatus as claimed in claim 3 wherein: the side plate (12) is annular and is circumferentially arranged along the edge of the bottom plate (11), and the plurality of tightening screws (13) are radially arranged along the bottom plate (11).
5. A large nut mounting and supporting apparatus as claimed in claim 2 wherein: the side plate (12) is provided with a plurality of threaded holes, and the jacking screws (13) are matched with the threaded holes one by one.
6. A large nut mounting and supporting apparatus as claimed in claim 2 wherein: the bottom layer tray (2) further comprises a supporting plate (21), the supporting plate (21) is a circular plate, and the supporting plate (21) and the bottom plate (11) are arranged on two sides of the rolling bearing (3) in a tightly attached mode respectively.
7. The mounting and supporting device for the large nut as claimed in claim 6, wherein: the lifting lugs (22) are uniformly welded around the supporting plate (21) at equal angles.
8. A large nut mounting and holding apparatus as claimed in claim 7 wherein: the number of the lifting lugs (22) is four, and the lifting lugs are arranged on the circumferential direction of the supporting plate (21) at right angles.
9. The mounting and supporting device for the large nut as claimed in claim 6, wherein: the axes of the bottom plate (11), the supporting plate (21) and the large nut (4) are all coaxially arranged.
10. A large nut mounting and holding apparatus as claimed in any one of claims 1 to 9 wherein: the rolling bearing (3) adopts a ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122299025.4U CN215924137U (en) | 2021-09-18 | 2021-09-18 | Installation supporting device of large-scale nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122299025.4U CN215924137U (en) | 2021-09-18 | 2021-09-18 | Installation supporting device of large-scale nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215924137U true CN215924137U (en) | 2022-03-01 |
Family
ID=80413847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122299025.4U Active CN215924137U (en) | 2021-09-18 | 2021-09-18 | Installation supporting device of large-scale nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215924137U (en) |
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2021
- 2021-09-18 CN CN202122299025.4U patent/CN215924137U/en active Active
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