CN208900498U - A kind of derrick runway girder lower boom Assembly of pin - Google Patents
A kind of derrick runway girder lower boom Assembly of pin Download PDFInfo
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- CN208900498U CN208900498U CN201821277854.4U CN201821277854U CN208900498U CN 208900498 U CN208900498 U CN 208900498U CN 201821277854 U CN201821277854 U CN 201821277854U CN 208900498 U CN208900498 U CN 208900498U
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Abstract
The utility model discloses a kind of derrick runway girder lower boom Assembly of pin, including bi-lug plate, monaural plate, multi-diameter shaft, split pin, axis hole A, axis hole B；Side is equipped with axis hole A in the bi-lug plate, the other side is equipped with axis hole B, and the monaural plate is equipped with axis hole B；Grafting close-fitting is equipped with multi-diameter shaft in the axis hole A, axis hole B, and the multi-diameter shaft is successively arranged shaft end and saves, section is saved and be oriented in axis, equipped with pin hole and split pin at the close guiding section of section in the axis；The shaft end section matches setting with axis hole A, for preventing ladder axially inner side vibration；The utility model uses multi-diameter shaft, and in the axis hole of bi-lug plate two sides setting different pore size, so that shaft end section and axis hole B detent on multi-diameter shaft, prevent vibration hidden danger on the inside of multi-diameter shaft, and fixed in inside with split pin, outside vibration is prevented, multi-diameter shaft is stable and firm, long service life, so that it is guaranteed that multi-diameter shaft connection is safe and reliable.
Description
Technical field
The utility model relates to Lift Mechanism in Power Hoist technical equipment field, in particular to a kind of derrick runway girder lower edge lever pin
Shaft assembly.
Background technique
Tower crane loading trolley is run on cantilever crane lower boom, and in order to be oriented to, loading trolley side wheel is transported in lower boom side
Row；This requires the pin shafts of cantilever crane lower boom connection cannot exceed the lower boom lateral surface of cantilever crane, otherwise just influences whether load-carrying
Operation of the trolley side wheel in lower boom side.
In the prior art, cantilever crane lower boom coupling assembly is as shown in Figures 3 to 6, and 11 one end facing cut of pin shaft is flat to lead for flat mouth
To section 13, set square 12 is welded on 1 inside of cantilever crane lower boom bi-lug plate, and insertion opening pin 8 after pin shaft 11 is installed prevents pin shaft 11
The outside vibration of axis, set square 12 prevent the inside vibration of pin shaft 11；Thus by arms frame lower boom bi-lug plate 1 and monaural plate 2
Security association is good；Its disadvantages are that: pin shaft 11 generates lateral force and oppresses set square 12 when installation, after installation often,
The disengaging of set square 12 is easily led to after the damage of 12 weld seam of set square, cannot prevent 11 axial motion of pin shaft, pin shaft 11 can also generate diameter
To rolling set square rounding, cause 11 vibration of pin shaft, after set square 12 is detached from or is damaged, cannot ensure that pin shaft 11 is not gone here and there
It moves, until pin shaft 11 is detached from bi-lug plate 1, monaural plate 2, there are severe compromises.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of derrick runway girder lower boom Assembly of pin, for
Deficiency in the prior art, using multi-diameter shaft, and in the axis hole A and axis hole B of bi-lug plate two sides setting different pore size, monaural plate
It is upper to use axis hole B, so that the shaft end section on multi-diameter shaft is matched with axis hole A, section is matched with axis hole B in axis, prevent on the inside of multi-diameter shaft
Vibration hidden danger, and fixed in inside with split pin, prevent outside vibration, it is ensured that multi-diameter shaft connection is safe and reliable.
In order to achieve the above objectives, the technical solution of the utility model is as follows: a kind of derrick runway girder lower boom Assembly of pin,
Including section, guiding section, pin hole, split pin, axis hole A, axis hole B in bi-lug plate, monaural plate, multi-diameter shaft, shaft end section, axis, feature
It is:
The bi-lug plate is mutually inserted with monaural plate, and side is provided with axis hole A, other side coaxial arrangement in the bi-lug plate
There is axis hole B, is provided with axis hole B on the monaural plate；The diameter of the axis hole A is greater than the diameter of the axis hole B；The bi-lug plate
On axis hole A, axis hole B and monaural plate on axis hole B in grafting close-fitting be provided with multi-diameter shaft, integral type is successively on the multi-diameter shaft
It is provided with shaft end to save, section is saved and be oriented in axis, is provided with pin hole at the close guiding section of section in the axis, is provided in the pin hole
Split pin；The shaft end section matches setting with axis hole A, for preventing ladder axially inner side vibration；The split pin and pin hole are used
In the prevention axially external vibration of ladder.
The diameter matches of the diameter and axis hole B that save in the axis are arranged.
The length of the shaft end section is equal to or less than the thickness of bi-lug plate.
The working principle of the utility model are as follows: tower crane loading trolley is run on cantilever crane lower boom, in order to be oriented to, trolley side
Idler wheel is run in lower boom side, and this requires the pin shafts of cantilever crane lower boom connection cannot exceed the lower boom lateral surface of cantilever crane,
Otherwise just influence whether trolley side wheel in the operation of lower boom side；Former mounting means: pin shaft one end facing cut is flat to lead for flat mouth
Xiang Jie, set square are welded on the inside of cantilever crane lower boom bi-lug plate, prevent the outside vibration of pin shaft axis, triangle with split pin after pin shaft installation
Plate prevents the inside vibration of pin shaft；It is thus that two cantilever crane lower boom bi-lug plates and monaural plate security association are good；But the disadvantage is that triangle
Plate welding seams disengaging easy to damage, cannot prevent pin shaft axial motion, and pin shaft cannot ensure pin shaft there may be after radial rolling damage
Vibration is not until pin shaft is detached from otic placode, and there are security risks；After improvement: pin shaft is processed into multi-diameter shaft, bi-lug plate upper coupling hole
Be processed into axis hole A and axis hole B, monaural board shaft hole B is constant, when installation, shaft end section on multi-diameter shaft by the axis hole B of monaural plate on the outside of
Shelves are lived, cannot vibration inwardly, after multi-diameter shaft installs, inside is fixed with split pin, prevents outside vibration, it is ensured that pin shaft joint
Securely and reliably.
Through the above technical solutions, the beneficial effect of technical solutions of the utility model is: using multi-diameter shaft, and in ears
The axis hole A and axis hole B of different pore size is arranged in plate two sides, uses axis hole B on monaural plate, so that shaft end section and axis hole on multi-diameter shaft
It saves in A matching, axis and is matched with axis hole B, prevent vibration hidden danger on the inside of multi-diameter shaft, and fixed with split pin in inside, prevent outward
Vibration, multi-diameter shaft is stable and firm, long service life, so that it is guaranteed that multi-diameter shaft connection is safe and reliable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of derrick runway girder lower boom Assembly of pin main view signal disclosed in the utility model embodiment
Figure；
Fig. 2 is a kind of derrick runway girder lower boom Assembly of pin multi-diameter shaft main view disclosed in the utility model embodiment
Schematic diagram；
Fig. 3 is prior art derrick runway girder lower boom pin shaft front view schematic diagram；
Fig. 4 is prior art derrick runway girder lower boom pin shaft A-A to sectional view schematic diagram；
Fig. 5 is prior art derrick runway girder lower boom pin shaft front view schematic diagram；
Fig. 6 is prior art derrick runway girder lower boom pin shaft top view illustration.
Number and corresponding component title represented by letter in figure:
1. 2. monaural plate of bi-lug plate, 3. multi-diameter shaft, 4. shaft end is saved
5. 6. guiding section 7. pin hole, 8. split pin of section in axis
9. 10. axis hole B of axis hole A, 11. pin shaft, 12. set square
13. flat mouth guiding section
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
According to Fig. 1 and Fig. 2, the utility model provides a kind of derrick runway girder lower boom Assembly of pin, including bi-lug plate
1, section 5 in 4, axis, guiding section 6, pin hole 7, split pin 8, axis hole A9, axis hole B10 are saved in monaural plate 2, multi-diameter shaft 3, shaft end.
The bi-lug plate 1 is mutually inserted with monaural plate 2, and it is coaxial to be provided with axis hole A9, the other side for side in the bi-lug plate 1
It is provided with axis hole B10, is provided with axis hole B10 on the monaural plate 2；The diameter of the axis hole A9 is straight greater than the axis hole B10's
Diameter；Grafting close-fitting is provided with multi-diameter shaft 3 in the axis hole B10 on axis hole A9, axis hole B10 and monaural plate 2 in the bi-lug plate 1,
Integral type is disposed with shaft end and saves section 5 and guiding section 6 in 4, axis on the multi-diameter shaft 3, the close guiding section 6 of section 5 in the axis
Place is provided with pin hole 7, is provided with split pin 8 in the pin hole 7；The shaft end section 4 matches setting with axis hole A9, for preventing rank
Terraced axis 3 vibration inwardly；The split pin 8 and pin hole 7 are for preventing the vibration outward of multi-diameter shaft 3.
The diameter matches of the diameter of section 5 and axis hole B10 are arranged in the axis.
The length of the shaft end section 4 is equal to or less than the thickness of bi-lug plate 1.
The utility model concrete operation step are as follows: tower crane loading trolley is run on cantilever crane lower boom, in order to be oriented to, trolley
Side wheel is run in lower boom side, and this requires the pin shafts 11 of cantilever crane lower boom connection cannot be beyond the lower boom outside of cantilever crane
Otherwise face just influences whether trolley side wheel in the operation of lower boom side；Former mounting means: flat 11 one end facing cut of pin shaft is flat
Mouth guiding section 13, set square 12 are welded in 1 inside of cantilever crane lower boom bi-lug plate, prevent pin shaft 11 with split pin 8 after the installation of pin shaft 11
The outside vibration of axis, set square 12 prevent the inside vibration of pin shaft 11；Thus two cantilever crane lower boom bi-lug plates 1 and monaural plate 2 are pacified
It is connected entirely；But the disadvantage is that the disengaging easy to damage of triangle plate welding seams, cannot prevent pin shaft axial motion, there may be radial rollings for pin shaft
After dynamic damage, it cannot ensure that vibration is not until pin shaft is detached from otic placode 1,2 to pin shaft, there are security risks；After improvement: pin shaft is processed
At multi-diameter shaft 3,1 upper coupling hole of bi-lug plate is processed into axis hole A and axis hole B, and 2 axis hole B of monaural plate is constant, when installation, on multi-diameter shaft
Shaft end section 4 lived by shelves on the outside of the axis hole B of monaural plate 2, cannot vibration inwardly, after multi-diameter shaft installs, inside split pin
It is fixed, prevent outside vibration, it is ensured that pin shaft joint is safe and reliable.
By above-mentioned specific embodiment, the beneficial effects of the utility model are: using multi-diameter shaft, and in bi-lug plate two sides
The axis hole A and axis hole B of different pore size be set, axis hole B is used on monaural plate so that the shaft end section on multi-diameter shaft matched with axis hole A,
Section is matched with axis hole B in axis, is prevented vibration hidden danger on the inside of multi-diameter shaft, and fixed with split pin in inside, is prevented outside vibration, rank
Terraced axis is stable and firm, long service life, so that it is guaranteed that multi-diameter shaft connection is safe and reliable.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (3)
1. a kind of derrick runway girder lower boom Assembly of pin, which is characterized in that including bi-lug plate, monaural plate, multi-diameter shaft, shaft end
Section, guiding section, pin hole, split pin, axis hole A, axis hole B in section, axis；The bi-lug plate is mutually inserted with monaural plate, the ears
Side is provided with axis hole A on plate, the other side is coaxially arranged with axis hole B, is provided with axis hole B on the monaural plate；The axis hole A's
Diameter is greater than the diameter of the axis hole B；Grafting close-fitting in the axis hole B on axis hole A, axis hole B and monaural plate in the bi-lug plate
It is provided with multi-diameter shaft, integral type is disposed with shaft end and saves, section is saved and be oriented in axis on the multi-diameter shaft, saves in the axis close
It is provided with pin hole at guiding section, is provided with split pin in the pin hole；The shaft end section matches setting with axis hole A, for preventing
Ladder axially inner side vibration；The split pin and pin hole are for preventing the axially external vibration of ladder.
2. a kind of derrick runway girder lower boom Assembly of pin according to claim 1, which is characterized in that saved in the axis
The diameter matches of diameter and axis hole B are arranged.
3. a kind of derrick runway girder lower boom Assembly of pin according to claim 1, which is characterized in that the shaft end section
Length is equal to or less than the thickness of bi-lug plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277854.4U CN208900498U (en) | 2018-08-09 | 2018-08-09 | A kind of derrick runway girder lower boom Assembly of pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277854.4U CN208900498U (en) | 2018-08-09 | 2018-08-09 | A kind of derrick runway girder lower boom Assembly of pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208900498U true CN208900498U (en) | 2019-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821277854.4U Active CN208900498U (en) | 2018-08-09 | 2018-08-09 | A kind of derrick runway girder lower boom Assembly of pin |
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| CN (1) | CN208900498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664167A (en) * | 2020-06-05 | 2020-09-15 | 中国航发沈阳发动机研究所 | Pin shaft connecting structure and assembling method thereof |
-
2018
- 2018-08-09 CN CN201821277854.4U patent/CN208900498U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664167A (en) * | 2020-06-05 | 2020-09-15 | 中国航发沈阳发动机研究所 | Pin shaft connecting structure and assembling method thereof |
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