CN215358297U - Connection fixing structure of overturning platform - Google Patents
Connection fixing structure of overturning platform Download PDFInfo
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- CN215358297U CN215358297U CN202120502952.9U CN202120502952U CN215358297U CN 215358297 U CN215358297 U CN 215358297U CN 202120502952 U CN202120502952 U CN 202120502952U CN 215358297 U CN215358297 U CN 215358297U
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- structural plate
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Abstract
The utility model belongs to the technical field of overturning platforms, and particularly discloses a connecting and fixing structure of an overturning platform, which comprises a platform beam structure, a pin shaft, an expansion connecting sleeve and a bearing seat; the platform beam structure comprises an outer side structural plate and an inner side structural plate; the surfaces of the outer side structural plate and the inner side structural plate are both provided with pin shaft connecting holes; the hinge pin is fixed on the surfaces of the outer side structural plate and the inner side structural plate, the hinge pin is in fit connection with a hinge pin connecting hole formed in the surface of the outer side structural plate, the hinge pin is connected with a hinge pin connecting hole formed in the surface of the inner side structural plate through an expansion connecting sleeve, and the hinge pin is fixed on the platform beam structure through interference connection of the expansion connecting sleeve and is connected with the platform beam structure into a whole; the utility model can facilitate the disassembly and adjustment of the shaft in use by the connection of the expansion connecting sleeve, reduce the manufacturing and processing difficulty and ensure the integral use safety and the product quality.
Description
Technical Field
The utility model relates to the technical field of overturning platforms, in particular to a connecting and fixing structure of an overturning platform.
Background
The turning platform for turning the thin plate in sections is a large welding structure frame, and the turning platform needs to turn around a central shaft in the turning process. The center pin distributes in the both sides of upset platform, and both sides distance is very big, passes the platform structure with an axle, and is difficult to the processing preparation promptly and also uneconomic. The both sides of platform respectively set up a center pin, and the center pin is fixed structurally the axle, and the center pin is high strength alloy steel, should not weld with the platform structure, and center pin welding back machine tooling difficulty moreover.
The prior art mainly has the problems that: the traditional rotating mandrel is generally an integral type, so that for large-scale equipment, the rotating mandrel special for rotating a large-scale structural member is generally divided into two sections which are arranged on two sides with a larger distance; the shaft and the structure are welded into a whole, but the material for manufacturing the shaft is required to have better weldability, for example, a structural steel shaft is welded, so the material strength of the shaft is limited, but welding stress exists; the shaft holes are in interference connection by adopting a common temperature difference method, so that the connection can be effectively realized, but the operation on a large shaft is inconvenient, and the shaft is inconvenient to disassemble and adjust in use.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a connection fixing structure of a turnover platform, so as to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a connecting and fixing structure of a turnover platform comprises a platform beam structure, a pin shaft, an expansion connecting sleeve and a bearing seat; the platform beam structure comprises an outer side structural plate and an inner side structural plate; the surfaces of the outer side structural plate and the inner side structural plate are both provided with pin shaft connecting holes; the hinge pin is fixed on the surfaces of the outer side structural plate and the inner side structural plate, the hinge pin is in fit connection with a hinge pin connecting hole formed in the surface of the outer side structural plate, the hinge pin is connected with a hinge pin connecting hole formed in the surface of the inner side structural plate through an expansion connecting sleeve, and the hinge pin is fixed on the platform beam structure through interference connection of the expansion connecting sleeve and is connected with the platform beam structure into a whole.
Preferably, the pin shaft is in interference connection with the outer side structural plate and the inner side structural plate.
Preferably, the bottom end of the pin shaft penetrates through the outer side structural plate and then extends into the bearing seat.
Compared with the prior art, the utility model has the beneficial effects that: the pin shaft is fixed on the platform beam structure through interference connection of the expansion connecting sleeve and is connected with the platform beam structure into a whole. The expansion connecting sleeve is connected, so that the shaft can be conveniently detached and adjusted in use, the manufacturing and processing difficulty is reduced, and the integral use safety and the product quality are ensured.
Drawings
Fig. 1 is a schematic structural view of the whole of the present invention.
In the figure: 1. a platform beam structure; 2. a pin shaft; 3. expanding and tightly connecting the connecting sleeve; 4. a bearing seat; 5. an outer structural panel; 6. inner side structural panel
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the present invention provides a technical solution: a connecting and fixing structure of a turnover platform comprises a platform beam structure 1, a pin shaft 2, an expansion connecting sleeve 3 and a bearing seat 4; the platform beam structure 1 comprises an outer side structural plate 5 and an inner side structural plate 6; pin shaft connecting holes are formed in the surfaces of the outer side structural plate 5 and the inner side structural plate 6; the hinge pin 2 is fixed on the surfaces of the outer side structural plate 5 and the inner side structural plate 6, hinge pin connecting holes formed in the surfaces of the hinge pin 2 and the outer side structural plate 5 are in matched connection, the hinge pin 2 and the hinge pin connecting hole formed in the surface of the inner side structural plate 6 are connected through the expansion connecting sleeve 3, and the hinge pin 2 is fixed on the platform beam structure 1 through interference connection of the expansion connecting sleeve 3 and is connected with the platform beam structure 1 into a whole.
Further, the pin shaft 2 is in interference connection with the outer side structural plate 5 and the inner side structural plate 6.
Furthermore, the bottom end of the pin shaft 2 extends into the bearing seat 4 after penetrating through the outer side structural plate 5.
The utility model provides a connecting and fixing structure of a turnover platform, which comprises a platform beam structure 1, a pin shaft 2, an expansion connecting sleeve 3 and a bearing seat 4; the platform beam structure 1 comprises an outer side structural plate 5 and an inner side structural plate 6, pin shaft 2 connecting holes are formed in the surfaces of the outer side structural plate 5 and the inner side structural plate 6, pin shafts 2 are arranged in the two pin shaft 2 connecting holes, the pin shafts 2 are connected with the outer side structural plate 5 in a matching mode, the pin shafts 2 are connected with the inner side structural plate 6 through expansion connecting sleeves 3, the pin shafts 2 are fixed on the platform beam structure 1 through interference connection of the expansion connecting sleeves 3 and are connected with the platform beam structure 1 into a whole, and the platform beam structure 1 and the pin shafts 2 can rotate around a rotation central line and bear radial load;
because the expansion connecting sleeve 3 is of an embedded structure, the expansion connecting sleeve can play a role in protecting the pin shaft 2, the performance and the use safety of the pin shaft 2 can be ensured, the pin shaft 2 can be prevented from being welded with the platform beam structure 1, and the pin shaft 2 can not be adjusted and detached due to common interference connection. Therefore, the central shaft of the turnover platform can be manufactured and processed by high-strength alloy steel and subjected to heat treatment, and the machining requirement of the mounting hole in the welding structure of the turnover platform is lower.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a connection fixed knot of upset platform constructs which characterized in that: the device comprises a platform beam structure (1), a pin shaft (2), an expansion connecting sleeve (3) and a bearing seat (4); the platform beam structure (1) comprises an outer side structural plate (5) and an inner side structural plate (6); pin shaft connecting holes are formed in the surfaces of the outer side structural plate (5) and the inner side structural plate (6); the hinge pin (2) is fixed on the surfaces of the outer side structural plate (5) and the inner side structural plate (6), hinge pin connecting holes formed in the surfaces of the hinge pin (2) and the outer side structural plate (5) are connected in a matched mode, the hinge pin (2) is connected with the hinge pin connecting holes formed in the surfaces of the inner side structural plate (6) through the expansion connecting sleeve (3), and the hinge pin (2) is fixed on the platform beam structure (1) through interference connection of the expansion connecting sleeve (3) and is connected with the platform beam structure (1) into a whole.
2. The connecting and fixing structure of the turnover platform as claimed in claim 1, wherein: the pin shaft (2) is in interference connection with the outer side structural plate (5) and the inner side structural plate (6).
3. The connecting and fixing structure of the turnover platform as claimed in claim 1, wherein: the bottom end of the pin shaft (2) penetrates through the outer side structural plate (5) and then extends into the bearing seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120502952.9U CN215358297U (en) | 2021-03-09 | 2021-03-09 | Connection fixing structure of overturning platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120502952.9U CN215358297U (en) | 2021-03-09 | 2021-03-09 | Connection fixing structure of overturning platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215358297U true CN215358297U (en) | 2021-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120502952.9U Active CN215358297U (en) | 2021-03-09 | 2021-03-09 | Connection fixing structure of overturning platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215358297U (en) |
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2021
- 2021-03-09 CN CN202120502952.9U patent/CN215358297U/en active Active
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