CN110713123A - Sleeve connecting structure of tower crane standard knot - Google Patents

Sleeve connecting structure of tower crane standard knot Download PDF

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Publication number
CN110713123A
CN110713123A CN201911000378.0A CN201911000378A CN110713123A CN 110713123 A CN110713123 A CN 110713123A CN 201911000378 A CN201911000378 A CN 201911000378A CN 110713123 A CN110713123 A CN 110713123A
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CN
China
Prior art keywords
sleeve
gear ring
gear
tower crane
standard knot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201911000378.0A
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Chinese (zh)
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CN110713123B (en
Inventor
孙小闯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Ruiyisheng Machinery Co Ltd
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Xuzhou Ruiyisheng Machinery Co Ltd
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Application filed by Xuzhou Ruiyisheng Machinery Co Ltd filed Critical Xuzhou Ruiyisheng Machinery Co Ltd
Priority to CN201911000378.0A priority Critical patent/CN110713123B/en
Publication of CN110713123A publication Critical patent/CN110713123A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B23/00Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0061Specially shaped nuts or heads of bolts or screws for rotations by a tool with grooves, notches or splines on the external peripheral surface designed for tools engaging in radial direction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041Specially-shaped shafts

Abstract

The invention discloses a sleeve connecting structure of a standard knot of a tower crane, which comprises a bracket, an upper sleeve and a lower sleeve, wherein the upper sleeve and the lower sleeve are respectively welded and fixed at the upper end and the lower end of the bracket; through design internal gear ring and outer gear ring, rotate the rotation that the internal gear ring can drive the gear post for the lower extreme of screw thread post closes soon and stretches into the last sleeve of below standard festival, and the installation of two standard festivals is fixed about realizing, easy operation, and easy dismounting has reduced work load and intensity of labour when dismouting.

Description

Sleeve connecting structure of tower crane standard knot
Technical Field
The invention belongs to the technical field of standard knot fixing pieces of tower cranes, and particularly relates to a sleeve connecting structure of a standard knot of a tower crane.
Background
The tower crane is the most common hoisting equipment on the construction site, also called tower crane, which is an essential equipment on the construction site by lengthening one section by one section and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction, and the standard section of the tower crane is divided into an integral standard section and a sheet standard section according to whether the standard section can be split or not, and the standard section is generally fixedly connected through a sleeve when being installed.
The existing sleeve pipe connection structure of the tower crane standard knot has the problems that a plurality of sleeve pipes are arranged between two standard knots, the sleeve pipes are fixedly connected through bolts, the traditional connection mode needs to be screwed by a wrench one by one, the disassembly and assembly efficiency is low, and the labor intensity is high.
Disclosure of Invention
The invention aims to provide a sleeve connecting structure of a standard knot of a tower crane, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a bushing structure of tower machine standard festival, includes the support and respectively welded fastening sleeve and lower sleeve about the support on both ends, it is the same with lower sleeve internal diameter size to go up the sleeve, the surface lower extreme of support rotates the cover through first bearing and is equipped with the roof, the lower extreme welded fastening of roof has the internal gear ring, the surface lower extreme of support rotates the cover through the second bearing and is equipped with the external gear ring, the meshing is provided with the column gear between internal gear ring and the external gear ring, the fixed traveller that is provided with of lower extreme of column gear, the fixed screw thread post that is provided with of lower extreme of traveller, the screw thread post closes soon through the lower sleeve through the screw thread.
Preferably, a concave edge is arranged at the lower end opening of the lower sleeve, a protrusion is arranged at the upper end of the upper sleeve, and the concave edge is matched with the protrusion.
Preferably, the concave edge and the bulge are both in circular ring structures, and the end parts of the concave edge and the bulge are both arc surfaces.
Preferably, the outer surface of the support is fixedly sleeved with a circular ring plate, the circular ring plate is provided with a through hole, and the sliding column penetrates through the through hole in a sliding manner.
Preferably, the diameter of the gear column is equal to the diameter of the threaded column, and the diameter of the sliding column is equal to three-quarters of the diameter of the gear column.
Preferably, the outer surface of the inner gear ring is uniformly distributed with fixing lugs with holes, and the fixing lugs with holes are welded and fixed with the inner gear ring.
Compared with the prior art, the invention has the beneficial effects that:
(1) through design internal gear ring and outer gear ring, rotate the rotation that the internal gear ring can drive the gear post for the lower extreme of screw thread post closes soon and stretches into the last sleeve of below standard festival, and the installation of two standard festivals is fixed about realizing, easy operation, and easy dismounting has reduced work load and intensity of labour when dismouting.
(2) Through design concave edge and arch, reinforcing standard festival connection stability sets up the arc surface, and the registrate of two upper and lower standard festivals of being convenient for aligns, sets up the ring plate that has the through-hole for the gear post rotates more stably, sets up foraminiferous fixed ear, and the internal gear ring of being convenient for rotate saves physical power.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a connecting structure diagram of an upper casing and a lower casing of two adjacent standard knots according to the present invention;
FIG. 3 is a schematic top view of an inner gear ring of the present invention;
FIG. 4 is a top cross-sectional view of an inner gear ring of the present invention;
FIG. 5 is a cross-sectional view of the upper sleeve and lower sleeve of the present invention;
FIG. 6 is a top view of the annular plate of the present invention;
in the figure: 1. an upper sleeve; 2. a support; 3. a lower sleeve; 4. an inner gear ring; 5. a gear post; 6. a circular ring plate; 7. a traveler; 8. a threaded post; 9. fixing lugs with holes; 10. a top plate; 11. an outer gear ring; 13. a concave edge; 14. and (4) protruding.
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.
Examples
Referring to fig. 1-6, the present invention provides a technical solution: a sleeve connecting structure of a tower crane standard knot comprises a bracket 2, an upper sleeve 1 and a lower sleeve 3 which are respectively welded and fixed at the upper end and the lower end of the bracket 2, wherein the inner diameter of the upper sleeve 1 is the same as the inner diameter of the lower sleeve 3, the lower end of the outer surface of the bracket 2 is rotatably sleeved with a top plate 10 through a first bearing, the lower end of the top plate 10 is fixedly welded with an inner gear ring 4, the lower end of the outer surface of the bracket 2 is rotatably sleeved with an outer gear ring 11 through a second bearing, the inner gear ring 4 is sleeved outside the outer gear ring 11, a gear post 5 is meshed between the inner gear ring 4 and the outer gear ring 11, a sliding post 7 is fixedly arranged at the lower end of the gear post 5, a threaded post 8 is fixedly arranged at the lower end of the sliding post 7, the gear post 5, the sliding post 7 and the threaded post 8 are fixedly integrated, the threaded post 8 penetrates through the lower sleeve 3 in a screwing manner through a thread, the gear post 5 is driven to rotate through the inner, therefore, the gear column 5 rotates and drives the outer gear ring 11 to rotate, and the gear column 5, the sliding column 7 and the threaded column 8 are fixed into a whole, so that the threaded column 8 is driven to rotate by the rotation of the gear column 5, the lower end of the threaded column 8 penetrates through the lower sleeve 3 and is screwed into the upper sleeve 1 of the lower standard joint through threads, and the upper standard joint and the lower standard joint are installed and fixed.
In this embodiment, a concave edge 13 is arranged at an opening at the lower end of the lower sleeve 3, a protrusion 14 is arranged at the upper end of the upper sleeve 1, the concave edge 13 is matched with the protrusion 14, and the concave edge 13 and the protrusion 14 are arranged, so that the upper standard knot and the lower standard knot can be conveniently aligned and installed.
In this embodiment, concave edge 13 and protruding 14 all are the ring structure, and concave edge 13 and protruding 14's tip all sets up to the arc surface, sets up the arc surface, the registrate between the upper sleeve 1 and the lower sleeve 3 of two upper and lower standard festivals of being convenient for.
In this embodiment, the fixed cover of surface of support 2 is equipped with ring plate 6, has seted up the through-hole on ring plate 6, and traveller 7 slides and runs through the through-hole, sets up ring plate 6 that has the through-hole, carries out spacing fixed to traveller 7 for gear post 5's rotation is connected more stably.
In this embodiment, the diameter of gear post 5 equals the diameter of screw thread post 8, and the diameter of traveller 7 equals the diameter of gear post 5 of quarter triple, and the diameter of traveller 7 is less than the diameter of gear post 5 and screw thread post 8, realizes spacing the rotation of connection structure, prevents excessive rotation.
In this embodiment, the outer surface evenly distributed of internal gear ring 4 has foraminiferous fixed ear 9, and foraminiferous fixed ear 9 and internal gear ring 4 welded fastening set up foraminiferous fixed ear 9, are convenient for rotate internal gear ring 4 through the crow bar.
The working principle and the using process of the invention are as follows: by arranging the inner gear ring 4 and the outer gear ring 11, the upper standard knot and the lower standard knot are firstly aligned and stacked, so that the lower sleeve 3 of the upper standard knot is aligned with the upper sleeve 1 of the lower standard knot, then the inner gear ring 4 is rotated, the gear column 5 is driven to rotate by the inner gear ring 4, and because the lower end of the gear column 5 extends into the lower sleeve 3 and is limited by the lower sleeve 3, the gear column 5 rotates and drives the outer gear ring 11 to rotate, so that the lower end of the threaded column 8 rotates and extends into the upper sleeve 1 of the lower standard knot, the upper standard knot and the lower standard knot are fixedly installed, the operation is simple, and the assembly and the disassembly are convenient;
through setting up concave edge 13 and arch 14, the alignment installation of two upper and lower standard festivals of being convenient for, reinforcing connection stability, through setting up the arc surface, the registrate between upper sleeve 1 and the lower sleeve 3 of two upper and lower standard festivals of being convenient for, the diameter of traveller 7 is less than the diameter of gear post 5 and screw thread post 8, it is spacing to realize the rotation of connection structure, prevent excessive rotation, set up foraminiferous fixed ear 9, be convenient for rotate inner gear ring 4 through the crow bar, it is more laborsaving to make its rotation.
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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a bushing structure of tower machine standard festival, includes support (2) and difference welded fastening sleeve (1) and lower sleeve (3) on both ends about support (2), it is the same with lower sleeve (3) internal diameter size to go up sleeve (1), its characterized in that: the outer surface lower extreme of support (2) rotates the cover through first bearing and is equipped with roof (10), the lower extreme welded fastening of roof (10) has internal gear ring (4), the outer surface lower extreme of support (2) rotates the cover through the second bearing and is equipped with external gear ring (11), the meshing is provided with gear post (5) between internal gear ring (4) and external gear ring (11), the lower extreme of gear post (5) is fixed and is provided with traveller (7), the lower extreme of traveller (7) is fixed and is provided with screw thread post (8), screw thread post (8) close through the lower sleeve (3) soon through the screw thread.
2. The sleeve connecting structure of the standard knot of the tower crane according to claim 1, characterized in that: the lower end opening of the lower sleeve (3) is provided with a concave edge (13), the upper end of the upper sleeve (1) is provided with a bulge (14), and the concave edge (13) is matched with the bulge (14).
3. The sleeve connecting structure of the standard knot of the tower crane according to claim 2, characterized in that: the concave edge (13) and the bulge (14) are both in circular ring structures, and the end parts of the concave edge (13) and the bulge (14) are both arc surfaces.
4. The sleeve connecting structure of the standard knot of the tower crane according to claim 1, characterized in that: the outer surface of the support (2) is fixedly sleeved with a circular ring plate (6), a through hole is formed in the circular ring plate (6), and the sliding column (7) penetrates through the through hole in a sliding mode.
5. The sleeve connecting structure of the standard knot of the tower crane according to claim 1, characterized in that: the diameter of the gear column (5) is equal to that of the threaded column (8), and the diameter of the sliding column (7) is equal to that of the gear column (5) which is three-quarter.
6. The sleeve connecting structure of the standard knot of the tower crane according to claim 1, characterized in that: the outer surface of the inner gear ring (4) is uniformly distributed with fixing lugs (9) with holes, and the fixing lugs (9) with holes are welded and fixed with the inner gear ring (4).
CN201911000378.0A 2019-10-21 2019-10-21 Sleeve connecting structure of tower crane standard knot Active CN110713123B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911000378.0A CN110713123B (en) 2019-10-21 2019-10-21 Sleeve connecting structure of tower crane standard knot

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Application Number Priority Date Filing Date Title
CN201911000378.0A CN110713123B (en) 2019-10-21 2019-10-21 Sleeve connecting structure of tower crane standard knot

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CN110713123A true CN110713123A (en) 2020-01-21
CN110713123B CN110713123B (en) 2020-07-10

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828155B1 (en) * 2007-04-27 2008-05-08 케이엔에프중공업주식회사 Mast for tower crane
CN201961998U (en) * 2010-12-20 2011-09-07 洪学如 Connecting structure between standard sections of building tower crane
CN203513134U (en) * 2013-10-30 2014-04-02 中联重科股份有限公司 Conversion section and tower crane with same
CN205419594U (en) * 2016-03-07 2016-08-03 徐州建机工程机械有限公司 Tower machine standard festival flexible connection structure
CN205590186U (en) * 2016-04-25 2016-09-21 江苏正兴建设机械有限公司 Bushing structure of tower machine standard festival
CN108239992A (en) * 2018-01-12 2018-07-03 嘉兴市悠悠箱包有限公司 A kind of tower crane reinforcement by connection structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828155B1 (en) * 2007-04-27 2008-05-08 케이엔에프중공업주식회사 Mast for tower crane
CN201961998U (en) * 2010-12-20 2011-09-07 洪学如 Connecting structure between standard sections of building tower crane
CN203513134U (en) * 2013-10-30 2014-04-02 中联重科股份有限公司 Conversion section and tower crane with same
CN205419594U (en) * 2016-03-07 2016-08-03 徐州建机工程机械有限公司 Tower machine standard festival flexible connection structure
CN205590186U (en) * 2016-04-25 2016-09-21 江苏正兴建设机械有限公司 Bushing structure of tower machine standard festival
CN108239992A (en) * 2018-01-12 2018-07-03 嘉兴市悠悠箱包有限公司 A kind of tower crane reinforcement by connection structure

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