CN107574760B - Assembled variable-pitch steel pipe column connecting rod and installation method thereof - Google Patents
Assembled variable-pitch steel pipe column connecting rod and installation method thereof Download PDFInfo
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- CN107574760B CN107574760B CN201710914707.7A CN201710914707A CN107574760B CN 107574760 B CN107574760 B CN 107574760B CN 201710914707 A CN201710914707 A CN 201710914707A CN 107574760 B CN107574760 B CN 107574760B
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Abstract
The invention discloses an assembled variable-pitch steel pipe column connecting rod and an installation method thereof, relating to the field of bridge construction, and comprising the following steps: the fixed length pole, it includes the first body of rod, and the one end of the first body of rod is fixed with first connecting plate, and first connecting plate is used for assembling on the steel-pipe column. The adjusting rod comprises a second rod body, one end of the second rod body is fixed with a second connecting plate, the second connecting plate is used for being assembled on the steel pipe column, one end, far away from the second connecting plate, of the second rod body is fixed with a sleeve, and at least part of the sleeve stretches into the first rod body. The adjusting piece is arranged on the sleeve and used for adjusting the length of the sleeve extending into the first rod body, and the adjusting piece is fixed with one end, far away from the first connecting plate, of the first rod body. The assembled variable-pitch steel pipe column connecting rod can reduce the construction precision requirement of the steel pipe column and reduce the damage of the steel pipe column.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to an assembled variable-pitch steel pipe column connecting rod and an installation method thereof.
Background
The steel pipe column is used as a temporary structure in bridge construction, is widely used, and is often used as a beam type bracket, a trestle, a cable tower, a buckling tower and the like. The steel pipe columns mainly bear vertical loads and are main stressed members, and due to stability requirements, when the steel pipe columns are too high, connecting rods are required to be installed at intervals between the steel pipe columns, and the connecting rods mainly bear axial tension or pressure, so that the plurality of steel pipe columns play a role in lateral support, stability of the steel pipe columns is enhanced, and meanwhile, the steel pipe columns can resist certain horizontal force.
The steel pipe column is usually inserted by a vibrating hammer or is arranged on a foundation embedded part, the distance precision between the steel pipe columns is poor, the conventional connecting rod is required to be arranged in an assembled mode, the requirement on the installation of the steel pipe column is extremely high, the construction precision cannot be achieved at all, the welding connection is still the main part at present, but the defects are obvious, the turnover performance is poor, and the requirement on quick construction cannot be met. In addition, the steel pipe column can be damaged by frequent welding or cutting of the connecting part, and the high-altitude welding difficulty and risk are high, so that the underwater connecting rod is not easy to assemble and disassemble.
At present, the hoop is sleeved on the steel pipe column in a mode of hoop transitional connection, and the connecting rod is welded with the hoop, but the method only plays a role in avoiding damaging the steel pipe column, and the mode is poor in force transmission reliability, so that when the diameter of the steel pipe column is large, the hoop structure is extremely heavy.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an assembled variable-pitch steel pipe column connecting rod which can reduce the construction precision requirement of the steel pipe column and reduce the damage of the steel pipe column.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a fabricated variable-pitch steel pipe column coupling rod for assembly between steel pipe columns, comprising:
the fixed-length rod comprises a first rod body, wherein a first connecting plate is fixed at one end of the first rod body and is used for being assembled on the steel pipe column;
the adjusting rod comprises a second rod body, a second connecting plate is fixed at one end of the second rod body, the second connecting plate is used for being assembled on the steel pipe column, a sleeve is fixed at one end, far away from the second connecting plate, of the second rod body, and the sleeve at least partially stretches into the first rod body; and
the adjusting piece is arranged on the sleeve, the adjusting piece is used for adjusting the length of the sleeve extending into the first rod body, and the adjusting piece and the first rod body are fixed at one end far away from the first connecting plate.
On the basis of the technical scheme, the sleeve comprises a threaded section, an inner extending section and a lap joint section, wherein the inner extending section and the lap joint section are respectively arranged at two ends of the threaded section, the inner extending section at least partially extends into the first rod body, the lap joint section is fixed on the second rod body, the adjusting piece comprises a threaded sleeve, the threaded sleeve is arranged on the threaded section, and when the threaded sleeve slides along the threaded section, the inner extending section is adjusted to extend into the length in the first rod body.
On the basis of the technical scheme, a plurality of slotted holes are formed in the fixing position of the second rod body and the lap joint section.
On the basis of the technical scheme, the second rod body is connected with the lap joint section through a circumferential weld joint, and short weld joint reinforcement connection is carried out through the slotted hole.
On the basis of the technical scheme, one end of the first rod body, which is far away from the first connecting plate, is provided with a round hole flange plate, one end of the threaded sleeve is provided with a long screw hole flange plate, and the long screw hole flange plate is detachably fixed on the round hole flange plate.
On the basis of the technical scheme, the adjusting piece further comprises a plurality of stiffening plates, the stiffening plates are arranged along the circumference of the threaded sleeve, and each stiffening plate is respectively fixed with the threaded sleeve and the long screw hole flange plate.
On the basis of the technical scheme, the first connecting plate and the second connecting plate comprise two pin shaft connecting plates arranged at intervals, and each pin shaft connecting plate is provided with a round hole.
Meanwhile, the invention aims to provide a mounting method of the assembled variable-pitch steel pipe column connecting rod, which can reduce the construction precision requirement of the steel pipe column and reduce the damage of the steel pipe column.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the assembling method of the assembled variable-pitch steel pipe column connecting rod comprises the following steps:
sleeving the adjusting piece on the sleeve, and extending one end of the sleeve into the first rod body;
the initial length of the sleeve extending into the first rod body is adjusted by using the adjusting piece, and the adjusting piece and one end, far away from the first connecting plate, of the first rod body are temporarily fixed;
assembling the first connecting plate on one steel pipe column;
moving the second connecting plate to be close to the other steel pipe column, removing the temporary fixation of the adjusting piece and the first rod body, adjusting the adjusting piece, adjusting the length of the sleeve extending into the first rod body, and assembling the second connecting plate on the steel pipe column;
and fixing the adjusting piece and one end, far away from the first connecting plate, of the first rod body to finish assembly.
On the basis of the technical scheme, the first connecting plate and the second connecting plate comprise pin shaft connecting plates arranged at intervals, each pin shaft connecting plate is provided with a round hole, two steel pipe columns to be connected are provided with fixed lug plates, the fixed lug plates of the two steel pipe columns are provided with holes matched with the round holes, the fixed lug plates of the two steel pipe columns are respectively placed between the pin shaft connecting plates arranged at intervals of the first connecting plate and the second connecting plate, and the first connecting plate, the second connecting plate and the two steel pipe columns are assembled through connecting pins and connecting pin safety bolts.
On the basis of the technical scheme, the sleeve comprises a threaded section, an inner extending section and a lap joint section, wherein the inner extending section and the lap joint section are respectively arranged at two ends of the threaded section, the inner extending section at least partially extends into the first rod body, the lap joint section is fixed on the second rod body, the adjusting piece comprises a threaded sleeve, the threaded sleeve is arranged on the threaded section, the threaded sleeve is adjusted to enable the threaded sleeve to slide along the threaded section, and the inner extending section is adjusted to extend into the length in the first rod body.
Compared with the prior art, the invention has the advantages that:
(1) The assembled variable-pitch steel pipe column connecting rod comprises the first connecting plate and the second connecting plate, the first connecting plate and the second connecting plate are assembled with the steel pipe column through the connecting pin and the connecting pin safety bolt, and when in high-altitude construction, particularly in cable tower or buckling tower construction of a cable crane, the problem of difficult high-altitude welding is avoided, and the high-altitude construction risk is reduced. For water construction, the problems of installation and removal of the connecting rod of the underwater part of the steel pipe column of the structures such as a drilling platform, a trestle and the like are avoided.
(2) The assembled variable-pitch steel pipe column connecting rod comprises an adjusting rod and an adjusting piece, wherein a sleeve is arranged on the adjusting rod and comprises a threaded section, and an inner extending section and an overlap section which are respectively positioned at two ends of the threaded section. The adjusting piece comprises a threaded sleeve, the threaded sleeve is arranged on the threaded section, and when the threaded sleeve slides along the threaded section, the length of the inner extending section extending into the first rod body is adjusted. The thread adjusting mode of the invention realizes stepless pitch change of the connecting rod within an allowable range, reduces the construction precision requirement of the steel pipe column and solves the installation problem. In addition, when the connecting length exceeds the stepless variable-pitch adjusting range, the middle of the adjusting rod can be cut, when the adjusting rod needs to be shortened, a section is cut, and when the adjusting rod needs to be lengthened, a section is welded. The turnover of the components is greatly improved, and the construction cost is saved.
Drawings
FIG. 1 is a schematic structural view of an assembled variable-pitch steel pipe column coupling rod of the present invention;
FIG. 2 is a front view of the fixed length bar of the present invention;
FIG. 3 is a top view of a fixed length bar of the present invention;
FIG. 4 is a schematic view of the structure of the adjusting lever of the present invention;
FIG. 5 is a schematic view of a sleeve according to the present invention;
FIG. 6 is a schematic view of a structure of a slot provided on an adjusting lever according to the present invention;
FIG. 7 is a front view of an adjustment member of the present invention;
FIG. 8 is a right side view of the adjustment member of the present invention;
fig. 9 is a schematic view showing the assembly of the coupling rod and the steel pipe column in the present invention.
In the figure: 1-a fixed length rod, 11-a first rod body, 12-a first connecting plate, 13-a round hole flange plate, 2-an adjusting rod, 21-a second rod body, 22-a second connecting plate, 23-a sleeve, 231-a threaded section, 232-inner extension section, 233-overlap section, 234-slotted hole, 3-adjusting piece, 31-threaded sleeve, 32-long screw hole flange, 33-stiffening plate, 4-round hole, 5-steel pipe column, 51-fixed otic placode.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 9, the present invention provides an assembled variable-pitch steel pipe column coupling rod for being assembled between steel pipe columns 5, comprising a fixed-length rod 1, an adjusting rod 2, and an adjusting member 3.
Referring to fig. 2 and 3, the fixed length rod 1 includes a first rod body 11, and a first connection plate 12 is fixed to one end of the first rod body 11, and the first connection plate 12 is configured to be assembled on the steel pipe column 5.
The first connecting plate 12 comprises two pin shaft connecting plates which are arranged at intervals, each pin shaft connecting plate is provided with a round hole 4, the steel pipe columns 5 to be connected are provided with fixed lug plates 51, the fixed lug plates 51 are provided with holes matched with the round holes 4, the fixed lug plates 51 of the two steel pipe columns 5 are respectively placed between the pin shaft connecting plates which are arranged at intervals of the first connecting plate 12 and the second connecting plate 22, and the first connecting plate 12 and the steel pipe columns 5 are assembled through connecting pins and connecting pin safety bolts. The connecting rod is in pin joint with the steel pipe column 5, so that the problem of difficult high-altitude welding is avoided and the high-altitude construction risk is reduced for high-altitude construction, especially for construction of a cable tower or a buckling tower of a cable crane. For the construction on water, the problems of installation and dismantling of the connecting rod of the underwater part of the steel pipe column 5 of the structure such as a drilling platform, a trestle and the like are avoided.
Referring to fig. 4, the adjusting rod 2 includes a second rod body 21, one end of the second rod body 21 is fixed with a second connecting plate 22, the second connecting plate 22 is used for being assembled on the steel pipe column 5, the second connecting plate 22 also includes two pin shaft connecting plates arranged at intervals, each pin shaft connecting plate is provided with a round hole 4, and the assembly mode of the round hole 4 and the steel pipe column 5 is the same as that of the first connecting plate 12 and the steel pipe column 5. The end of the second rod body 21 far away from the second connecting plate 22 is fixed with a sleeve 23, and the sleeve 23 at least partially stretches into the first rod body 11.
The adjusting piece 3 is arranged on the sleeve 23, the adjusting piece 3 is used for adjusting the length of the sleeve 23 extending into the first rod body 11, and the adjusting piece 3 is fixed with one end of the first rod body 11 far away from the first connecting plate 12.
Specifically, referring to fig. 7 and 8, the adjusting member 3 includes a threaded sleeve 31, one end of the threaded sleeve 31 is provided with a long screw hole flange 32, one end of the first rod body 11 away from the first connecting plate 12 is provided with a circular hole flange 13, and the long screw hole flange 32 is detachably fixed on the circular hole flange 13. When the long screw hole flange 32 and the round hole flange 13 are assembled, any rotation angle can meet the requirement of installing six high-strength bolts. In order to increase the strength of the adjuster 3, the adjuster 3 further includes a plurality of stiffening plates 33, the plurality of stiffening plates 33 are disposed along the circumference of the threaded sleeve 31, and each stiffening plate 33 is fixed with the threaded sleeve 31 and the long screw hole flange 32, respectively.
Referring to fig. 5, the sleeve 23 of the present invention includes a threaded section 231, and an inner extension 232 and an overlap section 233 respectively disposed at both ends of the threaded section 231, wherein the inner extension 232 extends at least partially into the first rod 11, and the overlap section 233 is fixed to the second rod 21. The threaded sleeve 31 of the adjusting member 3 is provided on the threaded section 231, and the length of the inner extension 232 extending into the first rod body 11 is adjusted when the threaded sleeve 31 slides along the threaded section 231. The thread adjusting mode of the invention realizes stepless pitch change of the connecting rod within an allowable range, reduces the construction precision requirement of the steel pipe column 5 and solves the installation problem. In addition, when the connecting length exceeds the stepless variable-pitch adjusting range, the middle of the adjusting rod 2 can be cut, when the adjusting rod needs to be shortened, a section is cut, and when the adjusting rod needs to be lengthened, a section is welded. The turnover of the components is greatly improved, and the construction cost is saved.
In addition, as shown in fig. 6, a plurality of slots 234 are formed at the fixing position of the second rod 21 and the overlap section 233, and the second rod 21 and the overlap section 233 are connected by circumferential weld and are reinforced by short weld through the slots 234, thereby playing a role in reinforcing connection.
The invention also provides an assembling method of the assembled variable-pitch steel pipe column connecting rod, which comprises the following steps:
s1, sleeving an adjusting piece 3 on a sleeve 23, and extending one end of the sleeve 23 into a first rod body 11;
s2, adjusting the initial length of the sleeve 23 extending into the first rod body 11 by using the adjusting piece 3, and temporarily fixing the adjusting piece 3 and one end, far away from the first connecting plate 12, of the first rod body 11;
s3, assembling the first connecting plate 12 on one steel pipe column 5;
s4, moving the second connecting plate 22 to be close to the other steel pipe column 5, removing temporary fixation of the adjusting piece 3 and the first rod body 11, adjusting the adjusting piece 3, adjusting the length of the sleeve 23 extending into the first rod body 11, and assembling the second connecting plate 22 on the steel pipe column 5;
the first connecting plate 12 and the second connecting plate 22 in the invention comprise two pin shaft connecting plates which are arranged at intervals, each pin shaft connecting plate is provided with a round hole 4, two steel pipe columns 5 which are required to be connected are provided with fixed lugs 51, the fixed lugs 51 are provided with holes matched with the round holes 4, the fixed lugs 51 of the two steel pipe columns 5 are respectively arranged between the pin shaft connecting plates which are arranged at intervals of the first connecting plate 12 and the second connecting plate 22, and the first connecting plate 12, the second connecting plate 22 and the two steel pipe columns 5 are assembled through connecting pins and connecting pin safety bolts.
The sleeve 23 comprises a threaded section 231, an inward extending section 232 and a lap section 233, wherein the inward extending section 232 and the lap section 233 are respectively positioned at two ends of the threaded section 231, the inward extending section 232 at least partially extends into the first rod body 11, the lap section 233 is fixed on the second rod body 21, the adjusting piece 3 comprises a threaded sleeve 31, the threaded sleeve 31 is arranged on the threaded section 231, the threaded sleeve 31 is adjusted to slide along the threaded section 231, and the length of the inward extending section 232 extending into the first rod body 11 is adjusted.
S5, fixing the adjusting piece 3 and one end, far away from the first connecting plate 12, of the first rod body 11, and finishing assembly.
The invention is not limited to the embodiments described above, but a number of modifications and adaptations can be made by a person skilled in the art without departing from the principle of the invention, which modifications and adaptations are also considered to be within the scope of the invention. What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (5)
1. An assembled variable-pitch steel pipe column coupling rod for assembly between steel pipe columns (5), comprising:
the fixed-length rod (1) comprises a first rod body (11), a first connecting plate (12) is fixed at one end of the first rod body (11), and the first connecting plate (12) is used for being assembled on the steel pipe column (5);
the adjusting rod (2) comprises a second rod body (21), a second connecting plate (22) is fixed at one end of the second rod body (21), the second connecting plate (22) is used for being assembled on the steel pipe column (5), a sleeve (23) is fixed at one end, far away from the second connecting plate (22), of the second rod body (21), and the sleeve (23) at least partially stretches into the first rod body (11); and
the adjusting piece (3) is arranged on the sleeve (23), the adjusting piece (3) is used for adjusting the length of the sleeve (23) extending into the first rod body (11), and the adjusting piece (3) and one end, far away from the first connecting plate (12), of the first rod body (11) are fixed;
the sleeve (23) comprises a threaded section (231) and an inward extending section (232) and a lap section (233) which are respectively positioned at two ends of the threaded section (231), the inward extending section (232) at least partially extends into the first rod body (11), the lap section (233) at least partially extends into the second rod body (21) and is fixed on the second rod body (21), the adjusting piece (3) comprises a threaded sleeve (31), the threaded sleeve (31) is arranged on the threaded section (231), and when the threaded sleeve (31) slides along the threaded section (231), the length of the inward extending section (232) extending into the first rod body (11) is adjusted;
a plurality of slotted holes (234) are formed in the fixed position of the second rod body (21) and the lap joint section (233), the second rod body (21) is connected with the lap joint section (233) through circumferential welding seams, and short welding seam reinforcement connection is performed through the slotted holes (234);
a round hole flange (13) is arranged at one end of the first rod body (11) far away from the first connecting plate (12), a long screw hole flange (32) is arranged at one end of the threaded sleeve (31), and the long screw hole flange (32) is detachably fixed on the round hole flange (13);
and when the connection length exceeds the stepless variable-pitch adjusting range, the middle of the adjusting rod (2) is cut, and the connection length is adjusted in a cutting or welding mode.
2. The fabricated variable-pitch steel pipe column coupling rod of claim 1, wherein: the adjusting piece (3) further comprises a plurality of stiffening plates (33), the stiffening plates (33) are arranged along the circumference of the threaded sleeve (31), and each stiffening plate (33) is respectively fixed with the threaded sleeve (31) and the long screw hole flange plate (32).
3. The fabricated variable-pitch steel pipe column coupling rod of claim 1, wherein: the first connecting plate (12) and the second connecting plate (22) comprise two pin shaft connecting plates which are arranged at intervals, and each pin shaft connecting plate is provided with a round hole (4).
4. A method of assembling a fabricated variable-pitch steel pipe column coupling rod as claimed in claim 1, comprising the steps of:
the adjusting piece (3) is sleeved on the sleeve (23), and one end of the sleeve (23) extends into the first rod body (11);
the initial length of the sleeve (23) extending into the first rod body (11) is adjusted by using the adjusting piece (3), and the adjusting piece (3) and one end, far away from the first connecting plate (12), of the first rod body (11) are temporarily fixed;
assembling the first connecting plate (12) on one steel pipe column (5);
moving the second connecting plate (22) to be close to the other steel pipe column (5), releasing the temporary fixation of the adjusting piece (3) and the first rod body (11), adjusting the adjusting piece (3), adjusting the length of the sleeve (23) extending into the first rod body (11), and assembling the second connecting plate (22) on the steel pipe column (5);
fixing the adjusting piece (3) and one end, far away from the first connecting plate (12), of the first rod body (11) to finish assembly;
the sleeve (23) comprises a threaded section (231), and an inward extending section (232) and a lap joint section (233) which are respectively positioned at two ends of the threaded section (231), wherein the inward extending section (232) at least partially extends into the first rod body (11), the lap joint section (233) at least partially extends into the second rod body (21) and is fixed on the second rod body (21), the adjusting piece (3) comprises a threaded sleeve (31), the threaded sleeve (31) is arranged on the threaded section (231), the threaded sleeve (31) is adjusted to slide along the threaded section (231), and the length of the inward extending section (232) extending into the first rod body (11) is adjusted;
the second rod body (21) is connected with the lap joint section (233) through a circumferential weld joint, and is subjected to short weld joint reinforcement connection through the slotted hole (234).
5. The method of assembly of claim 4, wherein: the first connecting plate (12) and the second connecting plate (22) comprise pin shaft connecting plates arranged at intervals, round holes (4) are formed in each pin shaft connecting plate, fixed lug plates (51) are formed in two steel pipe columns (5) to be connected, holes matched with the round holes (4) are formed in the fixed lug plates (51), the fixed lug plates (51) of the two steel pipe columns (5) are respectively placed between the pin shaft connecting plates arranged at intervals of the first connecting plate (12) and the second connecting plate (22), and the first connecting plate (12), the second connecting plate (22) and the two steel pipe columns (5) are assembled through connecting pins and connecting pin safety bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914707.7A CN107574760B (en) | 2017-09-30 | 2017-09-30 | Assembled variable-pitch steel pipe column connecting rod and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914707.7A CN107574760B (en) | 2017-09-30 | 2017-09-30 | Assembled variable-pitch steel pipe column connecting rod and installation method thereof |
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| Publication Number | Publication Date |
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| CN107574760A CN107574760A (en) | 2018-01-12 |
| CN107574760B true CN107574760B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710914707.7A Active CN107574760B (en) | 2017-09-30 | 2017-09-30 | Assembled variable-pitch steel pipe column connecting rod and installation method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107574760A (en) | 2018-01-12 |
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