CN2217609Y - Connecting device - Google Patents
Connecting device Download PDFInfo
- Publication number
- CN2217609Y CN2217609Y CN 94248354 CN94248354U CN2217609Y CN 2217609 Y CN2217609 Y CN 2217609Y CN 94248354 CN94248354 CN 94248354 CN 94248354 U CN94248354 U CN 94248354U CN 2217609 Y CN2217609 Y CN 2217609Y
- Authority
- CN
- China
- Prior art keywords
- pillar stand
- hole
- interconnecting piece
- lower pillar
- connecting device
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a connecting device of a metal pillar, especially a connecting device of the metal pillar for tower crane. An L-shaped inner connecting piece (3) and two blocks of outer connecting pieces (6 and 7) are welded on a lower pillar. On an upper pillar (2), inner reinforced plates (10 and 11) and outer reinforced plates (12 and 13) are welded. At the time of joining, two connecting shafts respectively pass through holes (8, 14 and 4) and holes (9, 15 and 5). Because of rigid axial connection, the utility model is especially suitable for the connection of mast components of tower crane.
Description
The utility model relates to a kind of connecting device, the particularly connection of tower crane mast column of connection two metal vertical pillars.
When building a detachable metal pylon, be that the mast parts are put together one on the other at present, the mast parts are made of vertical pillars, with brace they are connected together between column; Detail assembly is got up, assembling is finished by attaching parts is installed between parts again, and this makes that the existing certain rigidity of assembly is detachable again.When column was angle section, attaching parts is shearing bolt normally, or tension bolt, or adapter shaft.These known devices have some shortcomings, because assembly is with respect to the position difference of column, even under the situation of not introducing serious additional stress, also are difficult to guarantee the mechanical strees transmission continuity between attaching parts and column.In addition, because mechanical strength, conjunction must be welded in angle section both wings inboard, because the relation of combination position, welding is difficulty relatively.
The utility model proposes the connecting device of two angle type vertical pillars that a kind of connection that can overcome these shortcomings installs up and down, it makes stress distribution more reasonable, and the stress between vertically arranged two columns is continuous well.
According to a kind of connecting device of vertically arranged two jiaos of shaped metal columns up and down that connects of the present utility model, it is characterized in that it generally comprises a interconnecting piece on the lower pillar stand, two interior brace panels and two outer brace panels on two outer connectors and the upper pillar stand, all brace panels with upper pillar stand both wings lower end between the inner fish plate and outer fish plate of lower pillar stand.
Its feature is that also interconnecting piece is that L shaped individual plates by the inboard adhered shape of a profile and lower pillar stand angle bar constitutes, L shaped individual plates bottom is welded on the column, the free end both wings of L shaped individual plates on lower pillar stand respectively have a hole, stagger in vertical direction each other in two holes, its axis is orthogonal, is shaped on brace panel outside top is free-ended on the lateral edges in advance.
Its feature is that also two joint outer parts are made of two boards, the bottom of two boards is welded in respectively on the outside of lower pillar stand dihedral material both wings, and stagger each other in vertical direction, on the two boards free end on the lower pillar stand, and a hole is arranged all on the corresponding position, interconnecting piece hole.
Its feature is that also two interior brace panels are to be made of two flat boards, they are welded in the bottom of upper pillar stand both wings separately, and stagger each other in vertical direction, a through hole that penetrates the weldering wing is thereon all arranged on each plate, this hole is corresponding with the interior outer connector hole of lower pillar stand.
Its feature is that also two outer stiffening plates are to be made of two flat boards, they are welded in the following outside of upper pillar stand separately, the position is in being in the both wings of this column dihedral material of sustained height with interior brace panel, each flat board all has a hole, and this hole coincides with the hole of passing the described interior brace panel and cooresponding dihedral material one wing.
Its feature is that also upper pillar stand and lower pillar stand are stacked together, and has the both wings of inside and outside brace panel, is stuck between the interior outer connector top free end of lower pillar stand; Pass the hole of upper pillar stand one wing and corresponding brace panel, with pass lower pillar stand on L shaped interconnecting piece top free end hole on one side overlap, and overlap with free-ended hole, an outer connector top on the lower pillar stand; Pass the hole of another wing of upper pillar stand and corresponding brace panel, with pass lower pillar stand on the hole of L shaped interconnecting piece top free end another side overlap, and overlap with another free-ended hole, outer connector top on the lower pillar stand.The mode of this installation two columns only needs two adapter shafts.Therefore, compression effort directly passes to lower pillar stand from upper pillar stand by the surface that two columns are in contact with one another; Tensile stress then be distributed in symmetrically the adapter shaft that passes lower pillar stand attaching parts and upper pillar stand both wings pass through a little on, the distribution of stress of horizontal direction is on the groove that forms between outer connector and monolithic interconnecting piece.
Accompanying drawing can make us understand feature of the present utility model better, and it is only as example but be not limited in this.
Fig. 1 is a front elevation, and it illustrates upper pillar stand and is connected on the lower pillar stand and connecting device therebetween, and upper pillar stand is represented with long and short dash line;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the top view of the lower pillar stand that has attaching parts of Fig. 1;
Fig. 4 is the front elevation that only has the lower pillar stand of interconnecting piece;
Fig. 5 is that the B of Fig. 4 is to view;
Fig. 6 is the top view of the lower pillar stand of Fig. 4;
Fig. 7 and Fig. 8 are the front elevations that only has the lower pillar stand of outer connector;
Fig. 9 is the top view of the lower pillar stand of Fig. 7;
Figure 10 is the front elevation that has the upper pillar stand of brace panel;
Figure 11 is that the C of Figure 10 is to view;
Figure 12 is the top view of the upper pillar stand of Figure 10;
Figure 13 is the transparent view that the lower pillar stand that has attaching parts of column is installed in preparation;
Figure 14 has shown situation about two mast parts being linked together one by one according to connecting device of the present utility model with the mode letter of saturating formula;
Figure 15 is by be positioned at the birds-eye view and the section-drawing of the upper pillar stand on the lower pillar stand according to connecting device bonded assembly of the present utility model.
Represented two dihedral vertical metal columns among the figure, i.e. lower pillar stand 1 and lower pillar stand 2, they have a connecting device of the present utility model that it is linked together up and down.Connecting device is welded on column 1 and 2 admittedly, represents weld zone with black thick line among the figure.
In the lower end of upper pillar stand, according to connecting device of the present utility model, comprise brace panel 10 and 11 in two, and two outer brace panels 12 and 13 (seeing Figure 10,11,12,13).Brace panel 10 and 11 is made of flat board respectively in two, and wherein an example is as Figure 10 and 11 described semicircular structures, and it is welded on the inside face of top column 2 both wings.This two plate 10,11 staggers in vertical direction mutually.Two outer brace panels 12 and 13 are made of two flat boards respectively, and wherein an example is Figure 10 and 11 rectangular configuration of being described, and they are welded on respectively on the both wings and interior dull and stereotyped 10 and 11 corresponding outside faces of upper pillar stand 2.Therefore each wing of column 2 all has projection and outer projection in one, is respectively 10-12 and 11-13, and wing plate is clipped in the middle of them, goes up perforation, is respectively 14 and 15 for self-contained. Hole 14 and 15 axle are mutually orthogonal, and corresponding with the hole 4 and 5 of interconnecting piece 3 respectively.
In the following manner vertical pillars 1 and 2 usefulness connecting device of the present utility model are installed together up and down: the lower end of upper pillar stand both wings is stuck between the interconnecting piece 3 and outer connector 6 and 7 of lower pillar stand 1, and its position is in the upper end of lower pillar stand 1 cooresponding both wings.Recessed purposes on the aforesaid inside and outside attaching parts is as follows: the interior brace panel 10 of the recessed both wings that make upper pillar stand 2 and 11 and outer brace panel 12 and 13 place aforesaid interconnecting piece 3 and aforesaid outer connector 6, between 7, and make on the attaching parts the hole just in time with upper pillar stand 2 on hole on both wings and the brace panel coincide.Just hole 8,14 and 4 overlaps, and hole 9,15 and 5 overlaps.Therefore only need two adapter shaft (not shown)s to wear the hole of keeping two being aligneds and two columns are firmly connected (seeing Figure 15), the outer reinforced rib 25 of interconnecting piece 3 is between the brace panel or boss 10 and 11 of upper pillar stand 2.
The advantage of connecting device of the present utility model is:
-compression effort directly passes to lower pillar stand 1 by the end face of two columns contact from upper pillar stand 2;
-total tensile stress is distributed on the contact point of interconnecting piece 3 and outer connector 6,7 middle part adapter shafts;
-make contact point stress rectangular distribution with respect to dihedral with attaching parts, eliminated all bendings in the column 1 and 2;
The shape of-interconnecting piece 3 makes vertical weld part very firm;
-upper pillar stand 2 lip- deep brace panels 10,11,12,13 evenly stagger, and make upper pillar stand that one thicker thickness be arranged, and are very beneficial for prolonging the life-span of attaching parts and adapter shaft;
-installation and dismantling all are very easy to, and are all the more so to tower crane mast parts.
Claims (7)
1. connecting device that connects two dihedral vertical pillars up and down, it is characterized in that comprising an interconnecting piece 3 and two outer connectors (6) on the lower pillar stand (1), (7), brace panel (10) (11) and two outer brace panels (12) (13) on the upper pillar stand (2) two, the lower end of upper profile (2) both wings places between the interconnecting piece (3) and outer connector (6) (7) of lower pillar stand (1).
2. connecting device according to claim 1, it is characterized in that interconnecting piece (3) is generally to have the L type integral slab of fitting with the dihedral material interior shape of lower pillar stand (1) by one to constitute, and its underpart is welded on this column, and it is positioned on the free-ended L shaped both wings on the lower pillar stand (1) hole (4) (5) is respectively arranged, stagger in vertical direction each other in two holes, its orthogonal axe is shaped on reinforced rib (25) in advance on the lateral edges outside top is free-ended.
3. connecting device according to claim 2, it is characterized in that two joint outer parts (6) (7) are to be made of two boards, they are welded on the outside of lower pole (1) dihedral material both wings with its underpart separately and stagger each other in vertical direction, and it is positioned on the free end on the lower pillar stand (1) on the corresponding position, hole (4) (5) with interconnecting piece (3) hole (8), (9) are respectively arranged.
4. connecting device according to claim 3, the free-ended inside face in top that it is characterized in that two outer connectors (6) (7) is outward-dipping a little with respect to the plane of passing its underpart inside face, and the top free end of interconnecting piece (3) slopes inwardly a little with respect to the plane of passing its underpart face of weld.
5. according to claim 3 or 4 described connecting devices, it is characterized in that brace panel (10) (11) is to be made of two flat boards in two, they are welded in the bottom of the both wings of upper pillar stand (2) separately and also stagger each other in vertical direction, all have one to penetrate the through hole (14) (15) that it is welded in the top wing on each plate, the hole (4) (5) of this hole and the interconnecting piece (3) of lower pillar stand (1) and the hole (8) (9) of outer connector (6) (7) are corresponding.
6. connecting device according to claim 5, it is characterized in that two outer brace panels (12) (13) are to be made of two flat boards, what they were welded in upper pillar stand (2) outside separately is on the both wings of this column (2) dihedral material of sustained height with interior brace panel (10) (11), each flat board all has a hole, and this hole coincides with the hole (14) (15) of passing the described interior brace panel (10) (11) and cooresponding dihedral material one wing.
7. connecting device according to claim 6, it is characterized in that upper pillar stand (2) is positioned on the lower pillar stand (1), its both wings that have interior brace panel (10) (11) and outer brace panel (12) (13) are stuck between the top free end of the interconnecting piece (3) of lower pillar stand (1) and outer connector (6) (7), make the wing pass upper pillar stand (2) and corresponding brace panel (10) (12) hole (14) and the L-shaped interconnecting piece (3) that passes lower pillar stand (1) respectively on one side the top free end and the free-ended hole, top (4) (8) of the outer connector (6) of lower pillar stand (1) coincide, and make the free-ended hole, top (5) (9) of another outer connector (7) of the top free end of hole (15) and L-shaped interconnecting piece (3) another side that passes lower pole (1) respectively of another wing pass upper pillar stand (2) and corresponding brace panel (11) (13) and lower pillar stand (1) coincide, the hole that two prefabricated adapter shafts pass coincidence is installed together two columns (1) (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94248354 CN2217609Y (en) | 1994-12-23 | 1994-12-23 | Connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94248354 CN2217609Y (en) | 1994-12-23 | 1994-12-23 | Connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2217609Y true CN2217609Y (en) | 1996-01-17 |
Family
ID=33853307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94248354 Expired - Lifetime CN2217609Y (en) | 1994-12-23 | 1994-12-23 | Connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2217609Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016245A (en) * | 2014-06-17 | 2014-09-03 | 四川建设机械（集团）股份有限公司 | Rectangular fish plate structure of tower crane |
-
1994
- 1994-12-23 CN CN 94248354 patent/CN2217609Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016245A (en) * | 2014-06-17 | 2014-09-03 | 四川建设机械（集团）股份有限公司 | Rectangular fish plate structure of tower crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |