CN214784743U - Steel pipe truss mosaic structure - Google Patents
Steel pipe truss mosaic structure Download PDFInfo
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- CN214784743U CN214784743U CN202121085496.9U CN202121085496U CN214784743U CN 214784743 U CN214784743 U CN 214784743U CN 202121085496 U CN202121085496 U CN 202121085496U CN 214784743 U CN214784743 U CN 214784743U
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- chord member
- truss
- lining pipe
- locking bolt
- steel pipe
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Abstract
The utility model relates to a steel pipe truss mosaic structure, it includes the chord member, the chord member is the hollow form of cylinder, the neck tube is equipped with to the one end endotheca of chord member, the neck tube is the hollow form of cylinder, a plurality of stopper has set firmly on the lateral wall of neck tube, set up the spacing groove corresponding with the stopper on the inside lateral wall of chord member, the length direction of spacing groove is unanimous each other with the axial of chord member, the stopper is arranged in the spacing inslot and is slided, set up the through-hole that runs through the chord member on the lateral wall that the chord member is close to neck tube one end, the through-hole is waist type poroid, be equipped with locking bolt in the through-hole, neck tube lateral wall just offers the screw hole on the position to locking bolt tip, locking bolt's tip is arranged in the screw hole and with screw hole threaded connection. Through spacing cooperation between stopper and the spacing groove, reduce the interior bushing pipe and take place the possibility of rocking in the inside emergence of truss chord member, this application has the advantage that improves the welding effect.
Description
Technical Field
The application relates to the field of truss technology, in particular to a steel pipe truss splicing structure.
Background
The pipe truss is a lattice structure formed by connecting round rod pieces at the end parts. The truss members provide an economical material for the truss structure, provide a light weight structure, and are easily configured in various configurations to accommodate different uses, such as simple trusses, arches, frames, towers, and the like.
The existing chinese patent with publication number CN202768552U discloses a steel pipe truss splicing structure, in which a sliding groove is axially formed on a truss chord, a pin is radially arranged on an inner liner pipe, the inner liner pipe is sleeved in the truss chord, the pin on the inner liner pipe penetrates through the sliding groove on the truss chord, and the pin axially moving in the sliding groove can drive the inner liner pipe to axially move in the truss chord.
In view of the above-mentioned related technologies, the inventor believes that the steel pipe truss splicing structure has convenient and practical effects when used for splicing and connecting two truss chords, but after the position of the lining pipe is adjusted in a sliding manner, the lining pipe is positioned only by the pin, and when an operator is in a welding process, the lining pipe may still shake, so that the welding effect is reduced.
SUMMERY OF THE UTILITY MODEL
In order to fasten the position of bushing pipe, improve the welding effect, this application provides a steel pipe truss mosaic structure.
The application provides a steel pipe truss mosaic structure adopts following technical scheme:
the utility model provides a steel pipe truss mosaic structure, including the chord member, the chord member is the hollow form of cylinder, the one end endotheca of chord member is equipped with interior bushing pipe, interior bushing pipe is the hollow form of cylinder, a plurality of stopper has set firmly on the lateral wall of interior bushing pipe device, set up the spacing groove corresponding with the stopper on the inside lateral wall of chord member, the length direction of spacing groove is unanimous each other with the axial of chord member, the stopper is arranged in the spacing inslot and is slided, set up the through-hole that runs through the chord member on the lateral wall that the chord member is close to interior bushing pipe one end, the through-hole is waist type poroid, be equipped with locking bolt in the through-hole, interior bushing pipe lateral wall is just seted up the screw hole on the position to locking bolt tip, locking bolt's tip is arranged in the screw hole and with screw hole threaded connection.
Through adopting above-mentioned technical scheme, the mutual sliding fit of bushing pipe in chord member and the truss chord member, bushing pipe in the operator needs to slide, when adjusting the position of bushing pipe, through the sliding fit between stopper and the spacing groove, bushing pipe stability at the position slip in-process in further injecing, after the position control of bushing pipe is good, pass the through-hole with the locking bolt again, screw up in the screwed hole, it is fixed to lock the bushing pipe in the inside position of chord member, the position of bushing pipe in the fastening, again through the spacing cooperation between stopper and the spacing groove, reduce the possibility that bushing pipe takes place to rock in the truss chord member inside, have the advantage that improves the welding effect.
Optionally, the end of the limiting block is rotatably connected with a limiting wheel, and the limiting wheel is arranged in the limiting groove and is in rolling connection with the truss chord member.
By adopting the technical scheme, when the position of the lining pipe is adjusted by an operator in a sliding manner, the limiting wheels are in rolling connection with the chord members, so that the friction resistance between the limiting blocks and the limiting grooves is further reduced, and the position of the lining pipe is adjusted conveniently and labor-saving by the operator.
Optionally, one end of the limiting groove penetrates through one end of the truss chord member close to the lining pipe.
Through adopting above-mentioned technical scheme, the one end and the external intercommunication of spacing groove make things convenient for smooth inside of installing the truss chord member with interior bushing pipe and stopper through the tip of spacing groove of operator, further make things convenient for the use of operator in the actual operation in-process.
Optionally, one end of the limiting groove, which is far away from the lining pipe, is provided with a buffer spring, and one end of the buffer spring, which is close to the lining pipe, is provided with a buffer plate.
Through adopting above-mentioned technical scheme, when the operator with lining pipe to the inside slip of truss chord member, if the operator is too big hard this moment, make stopper and buffer board bump, through buffer spring energy-absorbing shock attenuation, further protect the stopper to the impact force of striking between stopper and the spacing groove has been reduced.
Optionally, the truss chord member is provided with a counter bore, the counter bore is arranged at the position of the through hole, the size of the counter bore is larger than that of the through hole, and the locking bolt is a counter bolt.
Through adopting above-mentioned technical scheme, through mutually supporting of counter sink and counter sink bolt, when the locking bolt was screwed up, arrange the inside of truss chord member in, make things convenient for the use of operator in actual operation.
Optionally, a rubber pad is sleeved on the locking bolt, and the rubber pad is arranged between the locking bolt and the truss chord member.
Through adopting above-mentioned technical scheme, the rubber pad is rich in elasticity, and when the operator screwed up the locking bolt on the chord member, through compressing the rubber pad, further improved the stability that the locking bolt was arranged in on the chord member.
Optionally, an inner chamfer is formed at the end part of the inner side wall of one end, close to the inner lining pipe, of the truss chord member, and an outer chamfer is formed at the end part of the outer side wall of one end, close to the truss chord member, of the inner lining pipe.
By adopting the technical scheme, when an operator installs the lining pipe in the truss chord member, the lining pipe is further convenient for the operator to install the lining pipe in the truss chord member through avoidance limiting of the inner chamfer and the outer chamfer.
Optionally, an avoiding chamfer is formed at one end, close to the locking bolt, of the threaded hole.
Through adopting above-mentioned technical scheme, when the operator installs locking bolt to the screw hole, through dodging the chamfer, further make things convenient for the operator to install locking bolt inside the screw hole.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the truss chord member and the inner lining pipe are in sliding fit with each other, when an operator needs to slide the inner lining pipe and adjust the position of the inner lining pipe, the stability of the inner lining pipe in the position sliding process is further limited through the sliding fit between the limiting blocks and the limiting grooves, after the position of the inner lining pipe is adjusted, the locking bolt penetrates through the through hole and is screwed in the threaded hole, the position of the inner lining pipe inside the truss chord member is locked and fixed, the position of the inner lining pipe is fastened, and the possibility that the inner lining pipe shakes inside the truss chord member is reduced through the limiting fit between the limiting blocks and the limiting grooves, so that the welding effect is improved;
2. when an operator slides to adjust the position of the lining pipe, the limiting wheel is in rolling connection with the chord member, so that the friction resistance between the limiting block and the limiting groove is further reduced, and the operator can conveniently adjust the position of the lining pipe in a labor-saving manner;
3. when an operator slides the lining pipe towards the inside of the truss chord member, if the operator exerts too much force at the moment, the limiting block collides with the buffer plate, the buffer spring absorbs energy and absorbs shock, and the limiting block is further protected, so that the impact force of the impact between the limiting block and the limiting groove is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a steel pipe truss splicing structure according to an embodiment of the present application.
Fig. 2 is a cross-sectional view of a steel pipe truss splicing structure along the length direction of a through hole according to an embodiment of the present application.
Fig. 3 is a sectional view of a steel pipe truss splicing structure along the length direction of a limiting groove according to an embodiment of the present application.
Description of reference numerals: 1. a truss chord; 11. a limiting groove; 12. a through hole; 13. a countersunk hole; 14. chamfering the outer part; 2. a liner tube; 21. a limiting block; 22. a limiting wheel; 23. a threaded hole; 24. avoiding chamfering; 25. inner chamfering; 3. a buffer spring; 4. a buffer plate; 5. locking the bolt; 6. and (7) a rubber pad.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses steel pipe truss mosaic structure.
Referring to fig. 1, a steel pipe truss mosaic structure, including chord member 1, chord member 1 is the hollow form of cylinder, and the one end endotheca of chord member 1 is equipped with interior bushing pipe 2, and interior bushing pipe 2 is the hollow form of cylinder, and the external diameter of interior bushing pipe 2 slightly is less than chord member 1's internal diameter, and the inside of bushing pipe 2 slidable mounting to chord member 1 is gone on to the operator, and then continues to weld liner pipe 2 and chord member 1.
Referring to fig. 1 and 2, the outer side wall of the end of the chord member 1 close to the inner lining pipe 2 is provided with a through hole 12 penetrating through the chord member 1, and the through hole 12 is in a kidney-shaped hole shape. The locking bolt 5 is arranged in the through hole 12, a threaded hole 23 is formed in the position, opposite to the end part of the locking bolt 5, of the outer side wall of the lining pipe 2, and the end part of the locking bolt 5 is arranged in the threaded hole 23 and is in threaded connection with the threaded hole 23. The operator screws the locking bolt 5 into the threaded hole 23, and connects the lining pipe 2 and the truss chord member 1 through the locking bolt 5, so that the lining pipe 2 is fixed.
Referring to fig. 1 and 2, a countersunk hole 13 is formed in the truss chord member 1, the countersunk hole 13 is in a kidney-shaped hole shape, the countersunk hole 13 is arranged at the position of the through hole 12, the shape and size of the countersunk hole 13 are larger than those of the through hole 12, and the locking bolt 5 is a countersunk bolt. When the lock bolt 5 is tightened in the threaded hole 23, the nut of the lock bolt 5 is placed in the counter bored hole 13 at this time, reducing the possibility that the nut of the lock bolt 5 collides with the outside.
Referring to fig. 2, the locking bolt 5 is sleeved with a rubber pad 6, the rubber pad 6 is arranged between the locking bolt 5 and the truss chord 1, the rubber pad 6 is rich in elasticity, and when the locking bolt 5 is screwed in the threaded hole 23, the locking bolt 5 is further reduced in possibility of loosening through elastic buffering of the rubber pad 6.
Referring to fig. 2, an avoiding chamfer 24 is formed at one end of the threaded hole 23 close to the locking bolt 5, so that an operator can conveniently and smoothly install the locking bolt 5 in the threaded hole 23.
Referring to fig. 1 and 3, four evenly distributed limiting blocks 21 are fixedly arranged on the outer side wall of the inner lining pipe 2, four limiting grooves 11 corresponding to the limiting blocks 21 are formed in the inner side wall of the truss chord member 1, the width of each limiting groove 11 is matched with the width of each limiting block 21, the length direction of each limiting groove 11 is consistent with the axial direction of the truss chord member 1, and each limiting block 21 is arranged in each limiting groove 11 to slide. When the operator slides the lining pipe 2, the position of the lining pipe 2 in front of the limit groove 11 is limited by the limit block 21, and the stability of the lining pipe 2 sliding in the truss chord member 1 is further improved.
Referring to fig. 3, the end of the limiting block 21 is rotatably connected with a limiting wheel 22, the limiting wheel 22 is disposed in the limiting groove 11 and is in rolling connection with the chord member 1, sliding friction between the limiting block 21 and the chord member 1 is converted into rolling friction through the limiting wheel 22, and moving resistance between the inner lining pipe 2 and the chord member 1 is reduced.
Referring to fig. 3, one end of the limiting groove 11 penetrates through one end of the chord member 1 close to the inner lining pipe 2, one end of the limiting groove 11 is communicated with the outside, and therefore an operator can conveniently and smoothly install the inner lining pipe 2 and the limiting block 21 into the chord member 1 through the end part of the limiting groove 11.
Referring to fig. 3, a buffer spring 3 is installed at one end of the limiting groove 11 far away from the lining pipe 2, the length direction of the buffer spring 3 is consistent with that of the limiting groove 11, and a buffer plate 4 is fixedly installed at one end of the buffer spring 3 close to the lining pipe 2. When an operator slides the lining pipe 2 towards the inside of the truss chord member 1, the limiting block 21 collides with the buffer plate 4, and the buffer spring 3 absorbs energy and absorbs shock, so that the limiting block 21 is protected to a certain extent.
Referring to fig. 1 and 3, an inner chamfer 25 is provided at the end portion of the inner side wall of one end of the inner bushing pipe 2 close to the truss chord 1 of the truss chord 1, an outer chamfer 14 is provided at the end portion of the outer side wall of one end of the inner bushing pipe 2 close to the truss chord 1, and in the process of installing the inner bushing pipe 2 and the truss chord 1 by an operator, the inner chamfer 25 and the outer chamfer 14 are mutually avoided, so that the effect of facilitating the installation of the inner bushing pipe 2 and the truss chord 1 by the operator is achieved.
The implementation principle of the steel pipe truss splicing structure provided by the embodiment of the application is as follows: an operator firstly installs the inner lining pipe 2 inside the truss chord member 1, places the limiting block 21 in the limiting groove 11, enables the threaded hole 23 to be over against the through hole 12, firstly slides the inner lining pipe 2, adjusts the position of the inner lining pipe 2 in the truss chord member 1, and after the position of the inner lining pipe 2 is adjusted, locks the position of the inner lining pipe 2 by screwing the locking bolt 5, so as to further ensure the normal operation of the next welding operation.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a steel pipe truss mosaic structure which characterized in that: the truss chord member comprises a truss chord member (1), the truss chord member (1) is cylindrical hollow, an inner lining pipe (2) is sleeved in one end of the truss chord member (1), the inner lining pipe (2) is cylindrical hollow, a plurality of limit blocks (21) are fixedly arranged on the outer side wall of the inner lining pipe (2), limit grooves (11) corresponding to the limit blocks (21) are formed in the inner side wall of the truss chord member (1), the length direction of the limit grooves (11) is consistent with the axial direction of the truss chord member (1), the limit blocks (21) are arranged in the limit grooves (11) to slide, through holes (12) penetrating through the truss chord member (1) are formed in the outer side wall of one end, close to the inner lining pipe (2), of the truss chord member (1), the through holes (12) are waist-shaped holes, locking bolts (5) are arranged in the through holes (12), threaded holes (23) are formed in the positions, right opposite to the end parts of the locking bolts (5), of the outer side wall of the inner lining pipe (2), the end part of the locking bolt (5) is arranged in the threaded hole (23) and is in threaded connection with the threaded hole (23).
2. The steel pipe truss splicing structure of claim 1, wherein: the end part of the limiting block (21) is rotatably connected with a limiting wheel (22), and the limiting wheel (22) is arranged in the limiting groove (11) and is in rolling connection with the truss chord member (1).
3. The steel pipe truss splicing structure of claim 1, wherein: one end of the limiting groove (11) penetrates through one end, close to the inner lining pipe (2), of the truss chord member (1).
4. The steel pipe truss splicing structure of claim 3, wherein: one end of the limiting groove (11) far away from the lining pipe (2) is provided with a buffer spring (3), and one end of the buffer spring (3) close to the lining pipe (2) is provided with a buffer plate (4).
5. The steel pipe truss splicing structure of claim 1, wherein: the truss chord member (1) is provided with a counter bore (13), the counter bore (13) is arranged at the position of the through hole (12), the size of the counter bore (13) is larger than that of the through hole (12), and the locking bolt (5) is a counter bolt.
6. The steel pipe truss splicing structure of claim 1, wherein: the locking bolt (5) is sleeved with a rubber pad (6), and the rubber pad (6) is arranged between the locking bolt (5) and the truss chord (1).
7. The steel pipe truss splicing structure of claim 1, wherein: the inner side wall end part of one end, close to the inner lining pipe (2), of the truss chord member (1) is provided with an inner chamfer (25), and the outer side wall end part of one end, close to the truss chord member (1), of the inner lining pipe (2) is provided with an outer chamfer (14).
8. The steel pipe truss splicing structure of claim 1, wherein: and an avoiding chamfer (24) is formed at one end of the threaded hole (23) close to the locking bolt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121085496.9U CN214784743U (en) | 2021-05-19 | 2021-05-19 | Steel pipe truss mosaic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121085496.9U CN214784743U (en) | 2021-05-19 | 2021-05-19 | Steel pipe truss mosaic structure |
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| Publication Number | Publication Date |
|---|---|
| CN214784743U true CN214784743U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121085496.9U Active CN214784743U (en) | 2021-05-19 | 2021-05-19 | Steel pipe truss mosaic structure |
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| Country | Link |
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| CN (1) | CN214784743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114875784A (en) * | 2022-06-06 | 2022-08-09 | 中国市政工程西南设计研究总院有限公司 | Combined anti-collision guardrail system suitable for urban bridge with sidewalk |
-
2021
- 2021-05-19 CN CN202121085496.9U patent/CN214784743U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114875784A (en) * | 2022-06-06 | 2022-08-09 | 中国市政工程西南设计研究总院有限公司 | Combined anti-collision guardrail system suitable for urban bridge with sidewalk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220428 Address after: 517552 lankeng group, Kemu village, Dengta Town, Dongyuan County, Heyuan City, Guangdong Province Patentee after: Guangdong liantian Technology Co.,Ltd. Address before: 518000 No.1 Factory building, MEIZHE Industrial Zone, Shangpai community, Beihuan Road, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN LIANTIAN STEEL STRUCTURE BRIDGE ENGINEERING CO.,LTD. |
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| TR01 | Transfer of patent right |