CN203007816U - Drawer type connection joint of assembly type rectangle-shaped steel pipe truss - Google Patents
Drawer type connection joint of assembly type rectangle-shaped steel pipe truss Download PDFInfo
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- CN203007816U CN203007816U CN 201220734705 CN201220734705U CN203007816U CN 203007816 U CN203007816 U CN 203007816U CN 201220734705 CN201220734705 CN 201220734705 CN 201220734705 U CN201220734705 U CN 201220734705U CN 203007816 U CN203007816 U CN 203007816U
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- steel pipe
- rectangular steel
- joint
- pin
- rectangle
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Abstract
The utility model discloses a drawer type connection joint of an assembly type rectangle-shaped steel pipe truss. The drawer type connection joint of the assembly type rectangle-shaped steel pipe truss comprises a door type joint which is distributed on a second rectangle-shaped steel pipe and a U-shaped joint which is distributed on a first rectangle-shaped steel pipe and arranged in the door type joint in an inserted mode. The U-shaped joint and the door type joint are connected through a connection pin. The U-shaped joint comprises a base plate and two vertical connection plates which are symmetrically arranged above a left side and a right side of the base plate. The two vertical connection plates are respectively inserted into a left side and a right side of an inner cavity of the first rectangle-shaped steel pipe from outside to inside. First pin holes are formed in the middle of the outer ends of the two vertical connection plates. The door type joint is a joint formed by removing a rectangle-shaped plate from a front end bottom of the second rectangle-shaped steel pipe. Second pin holes are formed in a left side wall and a right side wall of the door type joint. The drawer type connection joint of the assembly type rectangle-shaped steel pipe truss is simple in structure, reasonable in design, simple and convenient to construct, good in stressing performance and capable of effectively solving the problems that an existing steel pipe truss connection component is insufficient in bearing capacity, low in rigidity, complicated in construction procedure and the like.
Description
Technical field
The utility model relates to a kind of jointing, especially relates to a kind of assembling rectangular steel pipe girders drawer type jointing.
Background technology
Mountable steel bridge be a kind of decomposable, can fast erecting and the Uniformed Bridge that is mainly used in rushing to repair.At present, the connecting method of steel pipe truss comprises that mainly sleeve pipe connects, the channel-section steel connection is connected three kinds of connected modes with flange.But in actual use procedure, all there are following two problems in various degree in the connecting elements that adopts in above-mentioned three kinds of erection methods: the first, Lack of support, and rigidity is lower, thereby result of use is relatively poor; The second, speed of application is slower, can not satisfy the fast erecting requirement of steel pipe truss in mountable steel bridge.
The utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of assembling rectangular steel pipe girders drawer type jointing is provided, its simple in structure, reasonable in design and easy construction, stress performance are good, can effectively solve the problems such as the supporting capacity that existing steel pipe truss connecting elements exists is not enough, rigidity is low, construction sequence is complicated.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of assembling rectangular steel pipe girders drawer type jointing, it is characterized in that: comprise the gate-type joint that is laid on rectangular steel pipe two and be laid on rectangular steel pipe one and can enter the interior U font joint of described gate-type joint by plug-in mounting, described rectangular steel pipe one is identical with the cross sectional dimensions of rectangular steel pipe two, described U font joint be connected the gate-type joint and connect by connecting pin; Described U font joint comprises base plate and two the symmetrical vertical junction plate that is laid in top, the base plate left and right sides respectively, the vertical height of two described vertical junction plates is identical with the inner chamber height of rectangular steel pipe one, the thickness of described base plate is identical with the wall thickness of rectangular steel pipe one, the length of base plate is that L and its width are identical with the inner chamber width of rectangular steel pipe one, and described base plate is laid in the dead ahead, bottom of rectangular steel pipe one and its bottom is mutually concordant with the bottom of rectangular steel pipe one; Two described vertical junction plates respectively from outside to inside plug-in mounting enter the inner chamber left and right sides of rectangular steel pipe one, and the length that rectangular steel pipe one front end is stretched out in the outer end of two described vertical junction plates is L, and the middle part, outer end of two described vertical junction plates all has a pin-and-hole one that supplies connecting pin to pass; Described gate-type joint is for removing with the front bottom end of rectangular steel pipe two joint that forms after a rectangular slab, the length of described rectangular slab is that L and its width are identical with the inner chamber width of rectangular steel pipe two, all has a pin-and-hole two that supplies connecting pin to pass on the left and right sidewall of described gate-type joint.
Above-mentioned assembling rectangular steel pipe girders drawer type jointing is characterized in that: described base plate and rectangular steel pipe one processing and fabricating are integrated.
Above-mentioned assembling rectangular steel pipe girders drawer type jointing is characterized in that: described connecting pin is cylindrical pin, and pin-and-hole one and pin-and-hole two are circular hole.
Above-mentioned assembling rectangular steel pipe girders drawer type jointing is characterized in that: the distance between described pin-and-hole one and vertical junction plate leading section is d, and the distance between pin-and-hole two and described gate-type joint leading section is (L-d).
Above-mentioned assembling rectangular steel pipe girders drawer type jointing is characterized in that: described connecting pin is Cr-Mn-Ti alloy steel pin.
Above-mentioned assembling rectangular steel pipe girders drawer type jointing is characterized in that: the thickness of slab of described vertical junction plate is identical with the wall thickness of rectangular steel pipe one.
Above-mentioned assembling rectangular steel pipe girders drawer type jointing is characterized in that: the length of described vertical junction plate is 2L.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and easy construction, process velocity is fast.
2, connect reliable and easy accessibility.
3, easy accessibility, labour intensity is low and dismounting speed is fast, after connecting, the stress performance of institute's formation truss is good, can effectively solve the problems such as the supporting capacity that existing steel pipe truss connecting elements exists is not enough, rigidity is low, construction sequence is complicated.
In sum, simple in structure, the reasonable in design and easy construction of the utility model, stress performance are good, can effectively solve the problems such as the supporting capacity that existing steel pipe truss connecting elements exists is not enough, rigidity is low, construction sequence is complicated.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is assembling schematic diagram of the present utility model.
Fig. 2 is the leading section structural representation of the utility model rectangular steel pipe one.
Fig. 3 is the leading section structural representation of the utility model rectangular steel pipe two.
Fig. 4 is the side portion structure schematic diagram of the utility model rectangular steel pipe one.
Fig. 5 is the side portion structure schematic diagram of the utility model rectangular steel pipe two.
Fig. 6 is connection status schematic diagram of the present utility model.
Description of reference numerals:
1-rectangular steel pipe one; 2-rectangular steel pipe two; 3-1-base plate;
3-2-vertical junction plate; 4-connecting pin; 5-pin-and-hole one;
6-pin-and-hole two.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, the utility model comprises the gate-type joint that is laid on rectangular steel pipe 22 and is laid on rectangular steel pipe 1 and can enters the interior U font joint of described gate-type joint by plug-in mounting, described rectangular steel pipe 1 is identical with the cross sectional dimensions of rectangular steel pipe 22, described U font joint be connected the gate-type joint and connect by connecting pin 4; Described U font joint comprises base plate 3-1 and two the symmetrical vertical junction plate 3-2 that is laid in top, the base plate 3-1 left and right sides respectively, the vertical height of two described vertical junction plate 3-2 is identical with the inner chamber height of rectangular steel pipe 1, the thickness of described base plate 3-1 is identical with the wall thickness of rectangular steel pipe 1, the length of base plate 3-1 is that L and its width are identical with the inner chamber width of rectangular steel pipe 1, and described base plate 3-1 is laid in the dead ahead, bottom of rectangular steel pipe 1 and its bottom is mutually concordant with the bottom of rectangular steel pipe 1.Two described vertical junction plate 3-2 respectively from outside to inside plug-in mounting enter the inner chamber left and right sides of rectangular steel pipe 1, and the length that rectangular steel pipe one 1 front ends are stretched out in the outer end of two described vertical junction plate 3-2 is L, and the middle part, outer end of two described vertical junction plate 3-2 all has a pin-and-hole 1 that supplies connecting pin 4 to pass.Described gate-type joint is for removing with the front bottom end of rectangular steel pipe 22 joint that forms after a rectangular slab, the length of described rectangular slab is that L and its width are identical with the inner chamber width of rectangular steel pipe 22, all has a pin-and-hole 26 that supplies connecting pin 4 to pass on the left and right sidewall of described gate-type joint.
In the present embodiment, described base plate 3-1 and rectangular steel pipe one 1 processing and fabricatings are integrated.
Actually add man-hour, described connecting pin 4 is cylindrical pin, and pin-and-hole 1 and pin-and-hole 26 are circular hole.In the present embodiment, described connecting pin 4 is Cr-Mn-Ti alloy steel pin.Specifically add man-hour, also can adopt other alloy to make, the connecting pin 4 of made should be able to satisfy the required bending resistance of connecting portion, shear strength demand.
In the present embodiment, the distance between described pin-and-hole 1 and vertical junction plate 3-2 leading section is d, and the distance between pin-and-hole 26 and described gate-type joint leading section is (L-d).
In the present embodiment, the thickness of slab of described vertical junction plate 3-2 is identical with the wall thickness of rectangular steel pipe 1.The length of described vertical junction plate 3-2 is 2L.Actually add man-hour, according to specific needs, thickness of slab and the length of described vertical junction plate 3-2 is adjusted accordingly respectively.
Actually add man-hour, the material of described vertical junction plate 3-2 is identical with the material of rectangular steel pipe 1.Concrete procedure of processing is as follows: at first, and according to the force request of institute's process and assemble formula rectangular steel pipe girders, and according to the force analysis method analysis of routine and calculate the required supporting capacity of each jointing; After the required supporting capacity of each jointing is determined, then determine the size of described U font joint, described gate-type joint and connecting pin 4, determine the size of pin-and-hole 1 and pin-and-hole 26 is corresponding subsequently.
The above; it is only preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection domain of technical solutions of the utility model.
Claims (7)
1. assembling rectangular steel pipe girders drawer type jointing, it is characterized in that: comprise the gate-type joint that is laid on rectangular steel pipe two (2) and be laid in rectangular steel pipe one (1) upward and can enter the interior U font joint of described gate-type joint by plug-in mounting, described rectangular steel pipe one (1) is identical with the cross sectional dimensions of rectangular steel pipe two (2), described U font joint be connected the gate-type joint and connect by connecting pin (4), described U font joint comprise base plate (3-1) and two respectively symmetry be laid in the vertical junction plate (3-2) of top, base plate (3-1) left and right sides, the vertical height of two described vertical junction plates (3-2) is identical with the inner chamber height of rectangular steel pipe one (1), the thickness of described base plate (3-1) is identical with the wall thickness of rectangular steel pipe one (1), the length of base plate (3-1) is that L and its width are identical with the inner chamber width of rectangular steel pipe one (1), described base plate (3-1) is laid in the dead ahead, bottom of rectangular steel pipe one (1) and its bottom is mutually concordant with the bottom of rectangular steel pipe one (1), two described vertical junction plates (3-2) respectively from outside to inside plug-in mounting enter the inner chamber left and right sides of rectangular steel pipe one (1), and the length that rectangular steel pipe one (1) front end is stretched out in the outer end of two described vertical junction plates (3-2) is L, and the middle part, outer end of two described vertical junction plates (3-2) all has a pin-and-hole one (5) that supplies connecting pin (4) to pass, described gate-type joint is for removing with the front bottom end of rectangular steel pipe two (2) joint that forms after a rectangular slab, the length of described rectangular slab is that L and its width are identical with the inner chamber width of rectangular steel pipe two (2), all has a pin-and-hole two (6) that supplies connecting pin (4) to pass on the left and right sidewall of described gate-type joint.
2. according to assembling rectangular steel pipe girders drawer type jointing claimed in claim 1, it is characterized in that: described base plate (3-1) is integrated with rectangular steel pipe one (1) processing and fabricating.
3. according to the described assembling rectangular steel pipe girders drawer type jointing of claim 1 or 2, it is characterized in that: described connecting pin (4) is cylindrical pin, and pin-and-hole one (5) and pin-and-hole two (6) are circular hole.
4. according to the described assembling rectangular steel pipe girders drawer type jointing of claim 1 or 2, it is characterized in that: the distance between described pin-and-hole one (5) and vertical junction plate (3-2) leading section is d, and the distance between pin-and-hole two (6) and described gate-type joint leading section is (L-d).
5. according to the described assembling rectangular steel pipe girders drawer type jointing of claim 1 or 2, it is characterized in that: described connecting pin (4) is Cr-Mn-Ti alloy steel pin.
6. according to the described assembling rectangular steel pipe girders drawer type jointing of claim 1 or 2, it is characterized in that: the thickness of slab of described vertical junction plate (3-2) is identical with the wall thickness of rectangular steel pipe one (1).
7. according to the described assembling rectangular steel pipe girders drawer type jointing of claim 1 or 2, it is characterized in that: the length of described vertical junction plate (3-2) is 2L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220734705 CN203007816U (en) | 2012-12-27 | 2012-12-27 | Drawer type connection joint of assembly type rectangle-shaped steel pipe truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220734705 CN203007816U (en) | 2012-12-27 | 2012-12-27 | Drawer type connection joint of assembly type rectangle-shaped steel pipe truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203007816U true CN203007816U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220734705 Expired - Fee Related CN203007816U (en) | 2012-12-27 | 2012-12-27 | Drawer type connection joint of assembly type rectangle-shaped steel pipe truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203007816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470846A (en) * | 2017-09-07 | 2017-12-15 | 中建五局第三建设有限公司 | Device and method for facilitating steel pipe welding |
-
2012
- 2012-12-27 CN CN 201220734705 patent/CN203007816U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470846A (en) * | 2017-09-07 | 2017-12-15 | 中建五局第三建设有限公司 | Device and method for facilitating steel pipe welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20151227 |
|
| EXPY | Termination of patent right or utility model |