CN209778124U - Connecting structure of tower crane standard knot - Google Patents
Connecting structure of tower crane standard knot Download PDFInfo
- Publication number
- CN209778124U CN209778124U CN201920195600.6U CN201920195600U CN209778124U CN 209778124 U CN209778124 U CN 209778124U CN 201920195600 U CN201920195600 U CN 201920195600U CN 209778124 U CN209778124 U CN 209778124U
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- sleeve
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- standard
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Abstract
The utility model provides a connecting structure of a tower crane standard knot, which has simple structure, the connection of an upper sleeve and a lower sleeve is compact and reliable, and the connecting stability of the standard knot is greatly improved; the connecting structure comprises a first standard joint, a second standard joint, a first sleeve fixed at the lower part of the side surface of the first standard joint and a second sleeve fixed at the upper part of the side surface of the second standard joint, wherein the axial lines of the first sleeve and the second sleeve are superposed; the lower end face of the first sleeve is provided with a groove, the upper end face of the second sleeve is provided with a convex part corresponding to the groove, and the convex part is positioned in the groove when the lower end face of the first sleeve and the upper end face of the second sleeve are mutually pressed; the bolt is arranged in the center hole of the first sleeve and the center hole of the second sleeve in a penetrating mode, the nut is screwed at the lower end of the bolt, a through hole is further formed in the lower end of the bolt, the axial lead of the through hole is perpendicular to the axial lead of the bolt, the through hole is located below the nut, and a bolt is arranged in the through hole.
Description
Technical Field
The utility model relates to an installation field, concretely relates to connection structure of tower machine standard festival are made to tower crane.
Background
In recent years, with the high-speed increase of economic construction in China, the basic construction scale is continuously enlarged, particularly the construction of high-rise buildings is continuously increased, and the application of tower cranes is more and more extensive. The standard festival of tower crane is the important part of decision tower machine height, stability, puts one standard festival and makes four sleeve pipes of its fitting surface offset on another standard festival during the installation, then wears to establish the bolt-up in two adjacent intraductal, and the bolt has certain fit clearance about two intraductal left and right directions in upper and lower two sleeves, and two sleeve pipes can take place horizontal migration to lead to the phenomenon that can appear the horizontal slip between the adjacent standard festival, the stability and the security of whole tower machine are relatively poor.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a connection structure of tower machine standard festival, simple structure, upper and lower bushing connects closely reliably, has improved the stability that the standard festival is connected greatly.
In order to achieve the above object, the main technical solution of the present invention is to provide a connecting structure of a tower crane standard knot, comprising a first standard knot, a second standard knot, a first sleeve fixed at the lower part of the side surface of the first standard knot and a second sleeve fixed at the upper part of the side surface of the second standard knot, wherein the axial leads of the first sleeve and the second sleeve coincide; the lower end face of the first sleeve is provided with a groove, the upper end face of the second sleeve is provided with a convex part corresponding to the groove, and the convex part is positioned in the groove when the lower end face of the first sleeve and the upper end face of the second sleeve are mutually pressed; the bolt is arranged in the center hole of the first sleeve and the center hole of the second sleeve in a penetrating mode, the nut is screwed at the lower end of the bolt, a through hole is further formed in the lower end of the bolt, the axial lead of the through hole is perpendicular to the axial lead of the bolt, the through hole is located below the nut, and a bolt is arranged in the through hole.
furthermore, the inner side wall of the second sleeve is provided with internal threads, and the second sleeve is in threaded connection with the bolt.
Furthermore, the lower end face of the first sleeve is provided with three grooves, and the upper end face of the second sleeve is correspondingly provided with three protrusions.
Further, the through-hole inside wall is equipped with the internal thread, the bolt be equipped with the external screw thread that the internal thread is relative to, the bolt with through-hole threaded connection.
The utility model has the advantages that:
(1) The horizontal displacement between the first sleeve and the second sleeve can be eliminated by matching the groove on the lower end surface of the first sleeve with the convex part on the upper end surface of the second sleeve;
(2) The inner side wall of the second sleeve is provided with internal threads, and the second sleeve is in threaded connection with the bolt, so that the first sleeve and the second sleeve can be tightly matched;
(3) The lower extreme of bolt is equipped with the bolt, can further prevent that the fastening nut on the bolt is not hard up to improve the stability and the fixed reliability that the standard festival is connected.
Drawings
Fig. 1 is the utility model discloses tower machine standard festival's connection structure's schematic structure diagram.
Fig. 2 is a schematic bottom view of the first sleeve according to the embodiment of the present invention.
in the figure: the connecting structure comprises a first standard joint 1, a second standard joint 2, a first sleeve 3, a second sleeve 4, a bolt 5, a nut 6, a bolt 7, a groove 31 and a convex part 41.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Referring to fig. 1 to 2, the connecting structure of the standard knot of the tower crane comprises a first standard knot 1, a second standard knot 2, a first sleeve 3 fixedly welded at the lower part of the side surface of the first standard knot 1 and a second sleeve 4 fixedly welded at the upper part of the side surface of the second standard knot 2, wherein the axial lines of the first sleeve 3 and the second sleeve 4 are overlapped.
The lower end face of the first sleeve 3 is provided with three grooves 31, the upper end face of the second sleeve 4 is provided with three protrusions 41 corresponding to the grooves 31, and the protrusions 41 are located in the grooves 31 when the lower end face of the first sleeve 3 and the upper end face of the second sleeve 4 are mutually pressed.
Bolt 5 is arranged in the center hole of the first sleeve 3 and the second sleeve 4 in a penetrating mode, the inner side wall of the second sleeve 4 is provided with internal threads, and the second sleeve 4 is in threaded connection with the bolt 5. A nut 6 is screwed at the lower end part of the bolt 5, a through hole is also formed in the lower end part of the bolt 5, the axis of the through hole is vertical to the axis of the bolt 5, the through hole is positioned below the nut 6, and a bolt 7 is arranged in the through hole; the through-hole inside wall is equipped with the internal thread, bolt 7 be equipped with the external screw thread that the internal thread is relative to, bolt 7 with through-hole threaded connection.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a connection structure of tower machine standard festival, includes first standard festival, second standard festival, fixes the first sleeve pipe in the lower part of first standard festival side and fixes the second sleeve pipe in the upper portion of second standard festival side, the axial lead coincidence of first sleeve pipe and second sleeve pipe, its characterized in that: the lower end face of the first sleeve is provided with a groove, the upper end face of the second sleeve is provided with a convex part corresponding to the groove, and the convex part is positioned in the groove when the lower end face of the first sleeve and the upper end face of the second sleeve are mutually pressed; the bolt is arranged in the center hole of the first sleeve and the center hole of the second sleeve in a penetrating mode, the nut is screwed at the lower end of the bolt, a through hole is further formed in the lower end of the bolt, the axial lead of the through hole is perpendicular to the axial lead of the bolt, the through hole is located below the nut, and a bolt is arranged in the through hole.
2. The connecting structure of the standard knot of the tower crane according to claim 1, characterized in that: the inner side wall of the second sleeve is provided with internal threads, and the second sleeve is in threaded connection with the bolt.
3. The connecting structure of the standard knot of the tower crane according to claim 1, characterized in that: the lower end face of the first sleeve is provided with three grooves, and the upper end face of the second sleeve is correspondingly provided with three convex parts.
4. The connecting structure of the standard knot of the tower crane according to claim 1, characterized in that: the through-hole inside wall is equipped with the internal thread, the bolt be equipped with the external screw thread that the internal thread is relative to, the bolt with through-hole threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920195600.6U CN209778124U (en) | 2019-02-14 | 2019-02-14 | Connecting structure of tower crane standard knot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920195600.6U CN209778124U (en) | 2019-02-14 | 2019-02-14 | Connecting structure of tower crane standard knot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209778124U true CN209778124U (en) | 2019-12-13 |
Family
ID=68794729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920195600.6U Expired - Fee Related CN209778124U (en) | 2019-02-14 | 2019-02-14 | Connecting structure of tower crane standard knot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209778124U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279119A (en) * | 2020-11-04 | 2021-01-29 | 常德市荣程机械有限公司 | Novel connecting sleeve for standard knot of tower crane |
| CN113602983A (en) * | 2021-08-11 | 2021-11-05 | 山西华尧重工有限公司 | Fixing structure of tower crane standard knot |
-
2019
- 2019-02-14 CN CN201920195600.6U patent/CN209778124U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279119A (en) * | 2020-11-04 | 2021-01-29 | 常德市荣程机械有限公司 | Novel connecting sleeve for standard knot of tower crane |
| CN112279119B (en) * | 2020-11-04 | 2023-08-04 | 常德市荣程机械有限公司 | Tower crane standard joint connecting sleeve |
| CN113602983A (en) * | 2021-08-11 | 2021-11-05 | 山西华尧重工有限公司 | Fixing structure of tower crane standard knot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20210214 |