CN220468609U - Stable mounting structure of conical conversion head - Google Patents
Stable mounting structure of conical conversion head Download PDFInfo
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- CN220468609U CN220468609U CN202321949098.6U CN202321949098U CN220468609U CN 220468609 U CN220468609 U CN 220468609U CN 202321949098 U CN202321949098 U CN 202321949098U CN 220468609 U CN220468609 U CN 220468609U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims 5
- 238000003466 welding Methods 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a stable mounting structure of a conical conversion head, which comprises a steel box girder main body, wherein a mounting mechanism for improving mounting stability is arranged on the upper surface of the steel box girder main body. This stable mounting structure of toper change-over head through having set up installation mechanism, through mutually supporting between fixed plate, installation base, connecting plate, the toper head, mounting bolt and conversion backup pad and two lock nut etc. can carry out fixed connection with the fixed plate between through processing modes such as welding and the steel case roof beam main part and improve fixed fastness, and the installation base is convenient to be connected fixedly with tower crane bottom etc. when connecting tower crane bottom change-over connection, with the connecting plate through the connecting hole slip grafting to the surface of mounting bolt, can fix a position the border position between connecting plate and the installation base in later will locating piece slip grafting to the constant head tank and make it can even atress and dispersion load, avoid concentrated stress and component deformation.
Description
Technical Field
The utility model relates to the technical field of conical conversion heads, in particular to a stable installation structure of a conical conversion head.
Background
The cross steel box girder is a steel girder with a cross structural shape, and is formed by intersecting four steel girders to form a cross structure in a plane, the design can provide higher rigidity and bearing capacity, is commonly used in the fields of bridges, buildings, engineering structures and the like, and the conical conversion head is a device for a tower crane foundation with a steel structure.
The existing conical conversion head is also in the problem of poor bottom installation stability, is a part of a cross tower crane foundation, and is used for connecting the cross steel box girder with a tower crane base, converting the circular section of the tower crane foundation into a conical section, so that the stability and bearing capacity of the foundation can be improved, deflection and vibration of the tower crane in the using process can be reduced, the installation stability needs to be improved when the conical conversion head is connected with the cross steel box girder, and the connection point should be strong enough to bear the gravity of the tower crane and the dynamic load during operation.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a stable mounting structure of a conical conversion head, which has the advantages of high mounting stability and the like, and solves the problem that the mounting stability of the bottom of the existing conical conversion head is poor.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the stable mounting structure of the conical conversion head comprises a steel box girder main body, wherein the upper surface of the steel box girder main body is provided with a mounting mechanism for improving the mounting stability;
the installation mechanism comprises four fixing plates fixed on the upper surface of a steel box girder main body, the upper surfaces of the four fixing plates are respectively fixed with an installation base, the upper surfaces of the installation bases are fixedly provided with installation bolts, the outer surfaces of the installation bolts are slidably inserted with connecting plates above the installation bases, the upper surfaces of the connecting plates are fixedly provided with conical heads, the upper surfaces of the conical heads are fixedly provided with three conversion support plates, the three opposite sides of the conversion support plates are respectively provided with a fixing hole, and the inner peripheral wall of each fixing hole is in threaded connection with a fixing bolt.
Further, the gasket is inserted in the outer surface of the mounting bolt and above the connecting plate in a sliding manner, and the double locking nuts are connected with the outer surface of the mounting bolt and above the gasket in a threaded manner.
Further, the number of the mounting bolts is not less than two, and the mounting bolts are uniformly distributed on the upper surface of the mounting base.
Furthermore, positioning grooves are formed in the front side and the rear side of the upper surface of the mounting base, and positioning blocks with the same length as the inner walls of the left side and the right side of the positioning grooves are fixed on the front side and the rear side of the lower surface of the connecting plate.
Further, the shape of the conversion support plate is L-shaped, and the length and the width of the connecting plate are respectively equal to the length and the width of the mounting base.
Further, connecting holes with the same number as the mounting bolts are formed in the upper surface of the connecting plate, and the connecting plate is slidably inserted into the outer surface of the mounting bolts through the connecting holes.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this stable mounting structure of toper change-over head through having set up installation mechanism, through mutually supporting between fixed plate, installation base, connecting plate, the toper head, mounting bolt and conversion backup pad and two lock nut etc. can carry out fixed connection with the fixed plate between through processing modes such as welding and the steel case roof beam main part and improve fixed fastness, and the installation base is convenient to be connected fixedly with tower crane bottom etc. when connecting tower crane bottom change-over connection, with the connecting plate through the connecting hole slip grafting to the surface of mounting bolt, can fix a position the border position between connecting plate and the installation base in later will locating piece slip grafting to the constant head tank and make it can even atress and dispersion load, avoid concentrated stress and component deformation.
2. This stable mounting structure of toper conversion head through having set up installation mechanism, through the fixed plate, the installation base, the connecting plate, the conical head, mutually support between mounting bolt and conversion backup pad and the two lock nut etc. can be after fixing a position placing connecting plate and the installation base between, adopt the instrument to screw up fixing along mounting bolt with gasket and two lock nut etc. double lock nut can improve locking effect and avoid the nut not hard up remaining stable, it is fixed that conversion backup pad and fixing bolt can install with tower crane bottom steelframe simultaneously, the circular cross section of cooperation conical head with the tower crane foundation changes the toper cross-section, stability and bearing capacity of foundation can be improved, and deflection and vibration of tower crane in the use are reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the mounting mechanism of the present utility model;
fig. 3 is a cross-sectional view of the mounting mechanism of the present utility model.
In the figure: the steel box girder comprises a steel box girder main body, a 2 mounting mechanism, a 201 fixing plate, a 202 mounting base, a 203 mounting bolt, a 204 connecting plate, a 205 conical head, a 206 conversion supporting plate, 207 fixing holes, 208 fixing bolts, 209 double locking nuts and 210 positioning blocks.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, a stable installation structure of a conical conversion head in this embodiment includes a steel box girder body 1, and an installation mechanism 2 for improving installation stability is provided on an upper surface of the steel box girder body 1.
Referring to fig. 2-3, in order to improve the installation stability of the conical conversion head, the installation mechanism 2 in this embodiment includes four fixing plates 201 fixed on the upper surface of the steel box girder main body 1, the upper surfaces of the four fixing plates 201 are all fixed with an installation base 202, the fixing plates 201 are fixedly connected with the steel box girder main body 1 in a welding or other processing manner to improve the fixing firmness, the upper surface of the installation base 202 is fixed with an installation bolt 203, the outer surface of the installation bolt 203 is slidably inserted above the installation base 202, a connection plate 204 is slidably inserted above the installation base 202, the upper surface of the connection plate 204 is fixed with a conical head 205, the upper surface of the conical head 205 is fixed with three conversion support plates 206, fixing holes 207 are formed on opposite sides of the three conversion support plates 206, the inner peripheral wall of the fixing holes 207 are connected with fixing bolts 208 in a threaded manner, and the conical head 205 is matched with the round section of the tower crane foundation to be converted into a conical section, so that the stability and the tower crane bearing capacity of the foundation can be improved, and deflection and vibration in the use process can be reduced.
In the embodiment, a gasket is slidably inserted on the outer surface of the mounting bolt 203 and above the connecting plate 204, a double locking nut 209 is screwed on the outer surface of the mounting bolt 203 and above the gasket, after the connecting plate 204 and the mounting base 202 are positioned and placed, the gasket, the double locking nuts 209 and the like are screwed and fixed along the mounting bolt 203 by a tool, the number of the mounting bolts 203 is not less than two, and are uniformly distributed on the upper surface of the mounting base 202, positioning grooves are formed on the front side and the rear side of the upper surface of the mounting base 202, the double locking nuts 209 can improve locking effect to prevent the nuts from loosening and keeping stable, meanwhile, the conversion supporting plate 206 and the fixing bolts 208 can be used for mounting and fixing with a steel frame at the bottom of the tower crane, positioning blocks 210 with the length equal to the length between the inner walls of the left side and the right side of the positioning grooves are fixed on the front side and the rear side of the lower surface of the connecting plate 204, when the bottom of the connecting tower crane is connected in a conversion manner, the connecting plate 204 is slidably inserted to the outer surface of the mounting bolt 203 through the connecting hole, then the positioning block 210 is slidably inserted into the positioning groove, the edge position between the connecting plate 204 and the mounting base 202 can be positioned, so that the edge position can be uniformly stressed and dispersed, concentrated stress and component deformation are avoided, the shape of the conversion support plate 206 is L-shaped, the length and the width of the connecting plate 204 are respectively equal to those of the mounting base 202, the mounting base 202 is conveniently and fixedly connected with the bottom of the tower crane, the like, the stress and the component deformation can be uniformly stressed and dispersed, the connecting holes equal to the mounting bolts 203 in number are formed in the upper surface of the connecting plate 204, and the connecting plate 204 is slidably inserted to the outer surface of the mounting bolt 203 through the connecting holes.
The working principle of the embodiment is as follows:
when the conical conversion head is used for improving the installation stability, the fixing plate 201 is fixedly connected with the steel box girder main body 1 in a welding and other processing modes, the fixing firmness is improved, the installation base 202 is conveniently connected and fixed with the bottom of the tower crane, when the bottom of the tower crane is connected in a conversion mode, the connecting plate 204 is slidably inserted into the outer surface of the installation bolt 203 through the connecting hole, then the positioning block 210 is slidably inserted into the positioning groove, the edge position between the connecting plate 204 and the installation base 202 can be positioned so as to uniformly bear and disperse load, concentrated stress and component deformation are avoided, after the connecting plate 204 and the installation base 202 are positioned and placed, a gasket, a double locking nut 209 and the like are screwed and fixed along the installation bolt 203 by adopting a tool, the double locking nut 209 can improve the locking effect, the nut is prevented from loosening and keeping stability, meanwhile, the circular section of the tower crane foundation can be converted into a conical section by the conical section by utilizing the conversion support plate 206 and the fixing bolt 208, the stability and the bearing capacity of the foundation can be improved, and deflection and vibration of the tower crane in the use process are reduced.
It is noted that 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Standard parts used in the application files can be purchased from the market, and can be customized according to the description of the specification and the drawing, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, and the machines, the parts and the equipment are of conventional types in the prior art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a stable mounting structure of toper change-over head, includes steel case roof beam main part (1), its characterized in that: the upper surface of the steel box girder main body (1) is provided with an installation mechanism (2) for improving the installation stability;
the mounting mechanism (2) comprises four fixing plates (201) fixed on the upper surface of a steel box girder main body (1), the upper surfaces of the four fixing plates (201) are respectively fixed with a mounting base (202), the upper surfaces of the mounting bases (202) are fixedly provided with mounting bolts (203), the outer surfaces of the mounting bolts (203) are slidably inserted into connecting plates (204) above the mounting bases (202), conical heads (205) are fixedly arranged on the upper surfaces of the connecting plates (204), three conversion support plates (206) are fixedly arranged on the upper surfaces of the conical heads (205), fixing holes (207) are respectively formed in one side, opposite to each other, of the three conversion support plates (206), and fixing bolts (208) are connected with inner peripheral wall threads of the fixing holes (207).
2. The stable mount structure of a tapered transition head as claimed in claim 1, wherein: the outer surface of the mounting bolt (203) is slidably inserted with a gasket above the connecting plate (204), and a double locking nut (209) is connected with the outer surface of the mounting bolt (203) and above the gasket in a threaded manner.
3. The stable mount structure of a tapered transition head as claimed in claim 1, wherein: the number of the mounting bolts (203) is not less than two, and the mounting bolts are uniformly distributed on the upper surface of the mounting base (202).
4. The stable mount structure of a tapered transition head as claimed in claim 1, wherein: positioning grooves are formed in the front side and the rear side of the upper surface of the mounting base (202), and positioning blocks (210) with the same length as the length between the inner walls of the left side and the right side of the positioning grooves are fixed on the front side and the rear side of the lower surface of the connecting plate (204).
5. The stable mount structure of a tapered transition head as claimed in claim 1, wherein: the shape of the conversion support plate (206) is L-shaped, and the length and the width of the connecting plate (204) are respectively equal to the length and the width of the mounting base (202).
6. The stable mount structure of a tapered transition head as claimed in claim 1, wherein: connecting holes with the same number as the mounting bolts (203) are formed in the upper surface of the connecting plate (204), and the connecting plate (204) is slidably inserted into the outer surface of the mounting bolts (203) through the connecting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321949098.6U CN220468609U (en) | 2023-07-24 | 2023-07-24 | Stable mounting structure of conical conversion head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321949098.6U CN220468609U (en) | 2023-07-24 | 2023-07-24 | Stable mounting structure of conical conversion head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220468609U true CN220468609U (en) | 2024-02-09 |
Family
ID=89798590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321949098.6U Active CN220468609U (en) | 2023-07-24 | 2023-07-24 | Stable mounting structure of conical conversion head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220468609U (en) |
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2023
- 2023-07-24 CN CN202321949098.6U patent/CN220468609U/en active Active
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