CN206142693U - Detachable connection structure of undersetting and stock - Google Patents
Detachable connection structure of undersetting and stock Download PDFInfo
- Publication number
- CN206142693U CN206142693U CN201621158742.8U CN201621158742U CN206142693U CN 206142693 U CN206142693 U CN 206142693U CN 201621158742 U CN201621158742 U CN 201621158742U CN 206142693 U CN206142693 U CN 206142693U
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- CN
- China
- Prior art keywords
- undersetting
- otic placode
- stock
- pin shaft
- connection
- 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.)
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Abstract
The utility model discloses a detachable connection structure of undersetting and stock belongs to tower crane connecting elements field, include the undersetting, cooperate the stock of being connected with the undersetting, the undersetting adopts detachable the connection with the stock within a definite time, the undersetting is equipped with with the stock within a definite time is connected otic placode, little otic placode, connect the upper and lower both ends of otic placode and all opened the round pin shaft hole, connect the upper end of otic placode and connect the undersetting, lower extreme connection stock, connect and be equipped with between otic placode and undersetting little otic placode, it has the otic placode hole to open on the little otic placode, and the one end welding of little otic placode is on the undersetting, and the cooperation of end pin shaft hole was connected on the other end passed through the otic placode hole and is connected the otic placode, connect the otic placode pass through under the end pin shaft hole be connected with the stock. During the delivery, connect the otic placode to the stock and pull down, can make the stock wholly narrow down, make things convenient for the loading delivery, promote delivery efficiency, add man -hour, can not simplify the course of working because of the otic placode welding causes the deformation, increase simple to operate, agility.
Description
Technical field
This utility model is related to a kind of attachment structure, and in particular to the detachable connection of a kind of undersetting and stock is tied
Structure, belongs to derrick crane connecting elements field.
Background technology
At present, tower crane lower support seat with stock connected mode is：Undersetting supporting leg has four connection otic placodes 2, connection
Otic placode 2 is welded on undersetting 1, and stock 3 is linked together with undersetting 1 by the pin shaft hole in this four connection otic placodes 2, such as
Shown in Fig. 1.For big type undersetting, connection otic placode thereon is excessive, long, the easy ultra-wide of entrucking delivery, affects overall delivery,
And connection otic placode integral solder is on undersetting, when being connected with stock, precision is had high demands, process installation difficulty.
The content of the invention
For the problem that above-mentioned prior art is present, this utility model provides the detachable company of a kind of undersetting and stock
Binding structure, can improve installation, the convenience of delivery.
To achieve these goals, this utility model is adopted a kind of undersetting and the detachable connection structure of stock,
Including the stock that undersetting and undersetting are connected, the undersetting is welded into I shape section ring beam by shaped steel and steel plate group
Mechanism, the stock constitute truss mechanism by main string and crossbeam, web member；
Detachable connection is adopted between the undersetting and stock；
Connection otic placode, small ear plate are provided between the undersetting and stock, the upper and lower ends of the connection otic placode are provided with pin
Axis hole, the upper end connection undersetting of connection otic placode, lower end connection stock are provided with the microtia between the connection otic placode and undersetting
Plate；
Lug plate holes are provided with the small ear plate, one end of small ear plate is welded on undersetting, the other end by lug plate holes with
Connection otic placode upper end pin shaft hole is connected, and connection otic placode is connected with stock by lower end pin shaft hole.
As improvement, two lug plate holes on the small ear plate, are provided with, two lug plate holes are longitudinally arranged on small ear plate, the company
Two upper end pin shaft holes coordinated with lug plate holes are provided with ear connecting plate.
Used as improvement, the aperture of the upper end pin shaft hole is less than the aperture of lug plate holes, and between upper end pin shaft hole and lug plate holes
Connected by bearing pin, pin the tip of the axis is provided with fastening split pin.
Used as improvement, the small ear plate adopts square plate.
This utility model is using stock and connection otic placode are detachably connected, connection otic placode and small ear plate are detachably connected,
Small ear plate is fixed on undersetting, and then realizes stock being detachably connected on undersetting, during delivery, stock engaging lug
Plate is pulled down, and stock can be made integrally to narrow, facilitate entrucking to deliver, and lifts Dispatching efficiency；During processing, change will not be caused because of otic placode welding
Shape, simplifies the course of processing, increases easy for installation, agility.
Description of the drawings
Fig. 1 is existing undersetting and stock attachment structure schematic diagram；
Fig. 2 is undersetting of the present utility model and stock attachment structure schematic diagram；
In figure：1st, undersetting, 2, connection otic placode, 3, stock, 4, small ear plate, 41, lug plate holes.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage of greater clarity, below by drawings and Examples,
This utility model is further elaborated.However, it should be understood that specific embodiment described herein is only to solve
This utility model is released, scope of the present utility model is not limited to.
Unless otherwise defined, all of technical term used herein and scientific terminology with belong to skill of the present utility model
The implication that the technical staff in art field is generally understood that is identical, herein in term used in the description of the present utility model only
It is for the purpose for describing specific embodiment, it is not intended that in restriction this utility model.
As shown in Figure 1, Figure 2 and Figure 3, a kind of detachable connection structure of undersetting and stock, including undersetting 1, and
The stock 3 that undersetting 1 is connected, the undersetting 1 are welded into I shape section ring beam mechanism, the set by shaped steel and steel plate group
Frame 3 constitutes truss mechanism by main string and crossbeam, web member；
Detachable connection is adopted between the undersetting 1 and stock 3；
Connection otic placode 2, small ear plate 4 are provided between the undersetting 1 and stock 3, the upper and lower ends of the connection otic placode 2 are opened
There is pin shaft hole, the upper end connection undersetting 1 of connection otic placode 2, lower end connection stock 3 are set between the connection otic placode 2 and undersetting 1
There is the small ear plate 4；
Lug plate holes 41 are provided with the small ear plate 4, one end of small ear plate 4 is welded on undersetting 1, the other end passes through otic placode
Hole 41 is connected with 2 upper end pin shaft hole of connection otic placode, and connection otic placode 2 is connected with stock 3 by lower end pin shaft hole.
As the improvement of embodiment, two lug plate holes 41 on the small ear plate 4, are provided with, two lug plate holes 41 are longitudinally arranged little
On otic placode 4, two upper end pin shaft holes coordinated with lug plate holes 41 in the connection otic placode 2, are provided with.
Used as the further improvement of embodiment, the aperture of the upper end pin shaft hole is less than the aperture of lug plate holes 41, and upper end
Connected by bearing pin between pin shaft hole and lug plate holes 41, pin the tip of the axis is provided with fastening split pin.By pin shaft hole and lug plate holes
Cooperation install, improve entrucking Dispatching efficiency, and easy installation and removal, quick.
Used as the improvement of embodiment, the small ear plate 4 adopts square plate, raw material to be easy to get, easy to process, and is easy to welding.
Its using method is as follows：During installation, 2 one end of connection otic placode is by the lug plate holes on upper end pin shaft hole and small ear plate 4
41 connections, the other end is connected with stock 3 by lower end pin shaft hole, then one end of small ear plate 4 is welded on undersetting 1, entrucking
During delivery, if ultra-wide, connection otic placode 2 is dismantled, and then undersetting 1 is separated with stock 3, facilitated entrucking, lift Dispatching efficiency,
It is and the structure is easy to process, quick for installation.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Any modification, equivalent or improvement made within the spirit and principle of utility model etc., should be included in this utility model
Protection domain within.
Claims (4)
1. a kind of detachable connection structure of undersetting and stock, including undersetting (1), and undersetting (1) be connected
Stock (3), the undersetting (1) are welded into I shape section ring beam mechanism by shaped steel and steel plate group, the stock (3) by main string with
Crossbeam, web member composition truss mechanism, it is characterised in that：
Detachable connection is adopted between the undersetting (1) and stock (3)；
It is provided with connection otic placode (2), small ear plate (4) between the undersetting (1) and stock (3), up and down the two of the connection otic placode (2)
End is provided with pin shaft hole, upper end connection undersetting (1) of connection otic placode (2), lower end connection stock (3), the connection otic placode (2)
The small ear plate (4) is provided with between undersetting (1)；
Lug plate holes (41) are provided with the small ear plate (4), one end of small ear plate (4) is welded on undersetting (1), and the other end passes through
Lug plate holes (41) are connected with connection otic placode (2) upper end pin shaft hole, and connection otic placode (2) is by lower end pin shaft hole and stock (3)
Connection.
2. the detachable connection structure of a kind of undersetting according to claim 1 and stock, it is characterised in that described little
Two lug plate holes (41) are provided with otic placode (4), two lug plate holes (41) are longitudinally arranged on small ear plate (4), the connection otic placode (2)
On be provided with two upper end pin shaft holes coordinated with lug plate holes (41).
3. the detachable connection structure of a kind of undersetting according to claim 2 and stock, it is characterised in that on described
Aperture of the aperture of end pin shaft hole less than lug plate holes (41), and be connected by bearing pin between upper end pin shaft hole and lug plate holes (41), sell
The tip of the axis is provided with fastening split pin.
4. the detachable connection structure of a kind of undersetting and stock according to claim 1,2 or 3, it is characterised in that
The small ear plate (4) adopts square plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621158742.8U CN206142693U (en) | 2016-10-31 | 2016-10-31 | Detachable connection structure of undersetting and stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621158742.8U CN206142693U (en) | 2016-10-31 | 2016-10-31 | Detachable connection structure of undersetting and stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206142693U true CN206142693U (en) | 2017-05-03 |
Family
ID=58623680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621158742.8U Active CN206142693U (en) | 2016-10-31 | 2016-10-31 | Detachable connection structure of undersetting and stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206142693U (en) |
-
2016
- 2016-10-31 CN CN201621158742.8U patent/CN206142693U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |