CN212612009U - Tower top portal frame and suspension bridge construction device - Google Patents
Tower top portal frame and suspension bridge construction device Download PDFInfo
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- CN212612009U CN212612009U CN202020939701.2U CN202020939701U CN212612009U CN 212612009 U CN212612009 U CN 212612009U CN 202020939701 U CN202020939701 U CN 202020939701U CN 212612009 U CN212612009 U CN 212612009U
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 239000000725 suspension Substances 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the bridge engineering technique and specifically relates to a top of tower portal and suspension bridge construction equipment is related to. The tower top portal comprises a portal truss structure, the portal truss structure comprises a longitudinal beam, a first cantilever large inclined strut and a second cantilever large inclined strut, one end of the longitudinal beam is positioned on the side span side, and the other end of the longitudinal beam is positioned on the main span side; one end of the first cantilever large inclined strut is fixedly connected with one end of the longitudinal beam, and the other end of the first cantilever large inclined strut is fixedly connected with the tower top; one end of the second cantilever large inclined strut is fixedly connected with the other end of the longitudinal beam, and the other end of the second cantilever large inclined strut is fixedly connected with the tower top. The utility model provides a top of tower portal and suspension bridge construction equipment through setting up the big bracing of first cantilever and the big bracing of second cantilever, can support the longeron of main bay side and side bay side respectively, when the construction, can place hoist and mount utensil such as hoist engine simultaneously at the both ends of longeron, has improved the security of hoist and mount.
Description
Technical Field
The utility model belongs to the technical field of the bridge engineering technique and specifically relates to a top of tower portal and suspension bridge construction equipment is related to.
Background
In the construction of a large-span suspension bridge, a large-tonnage cable saddle is an important component of a cable system of the suspension bridge, and because the cable saddle is large in size, irregular in gravity center position, complex in installation position and high in installation precision requirement, the cable tower hoisting device can only be arranged on the side span side of the existing tower top portal frame, and the cable tower hoisting device cannot be arranged on the main span side, so that the hoisting safety risk is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a top of tower portal and suspension bridge construction equipment to alleviate the technical problem that can't establish cable tower hoist and mount utensil at the main span side cloth that exists among the prior art.
Based on the purpose, the utility model provides a tower top portal frame, which comprises a portal truss structure, wherein the portal truss structure comprises a longitudinal beam, a first cantilever large inclined strut and a second cantilever large inclined strut, one end of the longitudinal beam is positioned at the side span side, and the other end of the longitudinal beam is positioned at the main span side; one end of the first large cantilever inclined strut is fixedly connected with one end of the longitudinal beam, and the other end of the first large cantilever inclined strut is fixedly connected with the top of the tower; one end of the second cantilever large inclined strut is fixedly connected with the other end of the longitudinal beam, and the other end of the second cantilever large inclined strut is fixedly connected with the tower top.
Further, in some optional embodiments, the number of the portal truss structure is two, a middle cross beam is arranged between the longitudinal beams in the two portal truss structures, and an inter-column cross beam, an inter-cantilever cross beam and a top surface inclined strut are arranged on two sides of the middle cross beam.
Further, in some optional embodiments, a side of the first large cantilever brace far away from the second large cantilever brace is provided with a first support component, the first support component is fixedly connected with the one end of the longitudinal beam, a side of the second large cantilever brace far away from the first large cantilever brace is provided with a second support component, and the second support component is fixedly connected with the other end of the longitudinal beam.
Further, in some optional embodiments, the first support assembly comprises a first cross bar, a first vertical bar, a first small inclined strut and a second small inclined strut, one end of the first cross bar is fixedly connected with the first cantilever large inclined strut, and the first cross bar is parallel to the longitudinal beam; one end of the first vertical rod is fixedly connected with one end of the first cross rod, and the other end of the first vertical rod is fixedly connected with the longitudinal beam; one end of the first small inclined strut is fixedly connected with one end of a first vertical rod, and the other end of the first small inclined strut is fixedly connected with the joint of the first cantilever large inclined strut and the longitudinal beam; one end of the second small inclined strut is fixedly connected with one end of the first vertical rod, the other end of the second small inclined strut is fixedly connected with the longitudinal beam, and the second small inclined strut is symmetrically arranged on two sides of the first vertical rod.
Further, in some optional embodiments, the second support assembly comprises a second cross bar, a second vertical bar, a third small inclined strut and a fourth small inclined strut, one end of the second cross bar is fixedly connected with the second cantilever large inclined strut, and the second cross bar is parallel to the longitudinal beam; one end of the second vertical rod is fixedly connected with one end of the second cross rod, and the other end of the second vertical rod is fixedly connected with the longitudinal beam; one end of the third small inclined strut is fixedly connected with one end of the second vertical rod, and the other end of the third small inclined strut is fixedly connected with the joint of the second cantilever large inclined strut and the longitudinal beam; one end of the fourth small inclined strut is fixedly connected with one end of the second vertical rod, the other end of the fourth small inclined strut is fixedly connected with the longitudinal beam, and the fourth small inclined strut is symmetrically arranged on two sides of the second vertical rod and is symmetrically arranged on the third small inclined strut.
Further, in certain alternative embodiments, the portal truss structure further comprises a cross brace, a first column, a second column, a first vertical bar, a second vertical bar, and a third vertical bar; one end of the transverse supporting rod is fixedly connected with the first large cantilever inclined strut, and the other end of the transverse supporting rod is fixedly connected with the second large cantilever inclined strut; one end of the first upright column is fixedly connected with the longitudinal beam, the other end of the first upright column is used for being fixedly connected with the tower top, and the first upright column is perpendicular to the longitudinal beam; one end of the second upright column is fixedly connected with the longitudinal beam, the other end of the second upright column is used for being fixedly connected with the tower top, and the second upright column is perpendicular to the longitudinal beam; one end of the first vertical rod is fixedly connected with the longitudinal beam, and the other end of the first vertical rod is fixedly connected with one end of the transverse supporting rod; one end of the second vertical rod is fixedly connected with the longitudinal beam, and the other end of the second vertical rod is fixedly connected with the other end of the transverse supporting rod; one end of the third vertical rod is fixedly connected with the longitudinal beam, and the other end of the third vertical rod is fixedly connected with the part between the two ends of the transverse supporting rod; the first vertical rod, the second vertical rod and the third vertical rod are all perpendicular to the longitudinal beam.
Further, in certain alternative embodiments, diagonal braces are disposed between the cross brace and the stringer, between the cross brace and the first boom big diagonal brace, and between the cross brace and the second boom big diagonal brace.
Further, in some optional embodiments, a first inclined support rod is arranged between the first large cantilever inclined strut and the first upright, and a second inclined support rod is arranged between the second large cantilever inclined strut and the second upright.
Further, in certain optional embodiments, the tower gantry further comprises a working platform disposed on the stringer.
Based on the above object, the utility model also provides a suspension bridge construction equipment, include the top of the tower portal.
Compared with the prior art, the beneficial effects of the utility model mainly lie in:
the utility model provides a tower top portal frame, including portal purlin piece structure, portal purlin piece structure includes longeron, first cantilever big bracing and second cantilever big bracing, the one end of longeron is located the side of striding, the other end of longeron is located the main stride side; one end of the first large cantilever inclined strut is fixedly connected with one end of the longitudinal beam, and the other end of the first large cantilever inclined strut is fixedly connected with the top of the tower; one end of the second cantilever large inclined strut is fixedly connected with the other end of the longitudinal beam, and the other end of the second cantilever large inclined strut is fixedly connected with the tower top.
Based on this structure, the utility model provides a top of tower portal through setting up the big bracing of first cantilever and the big bracing of second cantilever, can support the longeron of main bay side and side bay side respectively, when the construction, can place hoist and mount utensil such as hoist engine simultaneously at the both ends of longeron, has improved the security of hoist and mount.
The utility model provides a suspension bridge construction equipment, owing to used the utility model provides a top of the tower portal can support the longeron of main bay side and side bay side respectively, when the construction, can place hoist and mount utensil such as hoist engine simultaneously at the both ends of longeron, has improved the security of hoist and mount.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a tower top gantry provided in a first embodiment of the present invention;
fig. 2 is a top view of a tower top gantry provided in the first embodiment of the present invention.
Icon: 101-a first cantilever large diagonal brace; 102-a second cantilever large inclined strut; 103-longitudinal beams; 104-middle cross beam; 105-inter-column beams; 106-inter-cantilever beam; 107-a first diagonal portion; 108-a second diagonal support portion; 109-end cross member; 110-a first cross-bar; 111-a first vertical bar; 112-a first small diagonal brace; 113-a second small diagonal brace; 114-a second cross bar; 115-a second vertical bar; 116-a third small diagonal brace; 117-fourth small diagonal brace; 118-a crossbar; 119-a first upright; 120-a second column; 121-a first vertical bar; 122-a second vertical bar; 123-a third vertical bar; 124-diagonal brace rods; 125-a first diagonal support bar; 126-a second diagonal support bar; 127-working platform.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1 and 2, the embodiment provides a tower top portal, which includes a portal truss structure, where the portal truss structure includes a longitudinal beam 103, a first large cantilever diagonal brace 101, and a second large cantilever diagonal brace 102, one end of the longitudinal beam 103 is located at the side span side, and the other end of the longitudinal beam 103 is located at the main span side; one end of the first large cantilever inclined strut 101 is fixedly connected with one end of the longitudinal beam 103, and the other end of the first large cantilever inclined strut 101 is fixedly connected with the top of the tower; one end of the second large cantilever diagonal brace 102 is fixedly connected with the other end of the longitudinal beam 103, and the other end of the second large cantilever diagonal brace 102 is used for being fixedly connected with the tower top.
Based on this structure, the top of tower portal that this embodiment provided through setting up the big bracing 101 of first cantilever and the big bracing 102 of second cantilever, can support longeron 103 of main bay side and side bay side respectively, when the construction, can place hoist and mount utensil such as hoist engine simultaneously at the both ends of longeron 103, has improved the security of hoist and mount.
Further, in some alternative embodiments, the number of the portal truss structures is two, a middle cross beam 104 is arranged between the longitudinal beams 103 in the two portal truss structures, and an inter-column cross beam 105, an inter-cantilever cross beam 106 and a top bracing are arranged on two sides of the middle cross beam 104.
Specifically, the inter-column beam 105 is disposed between the middle beam 104 and the inter-cantilever beam 106, and the inter-cantilever beam 106 is disposed between the inter-column beam 105 and the top sprag. The inter-column cross beams 105, the inter-cantilever cross beams 106 and the top surface diagonal braces on both sides of the middle cross beam 104 are arranged in one-to-one symmetry.
In this embodiment, referring to fig. 2, the two ends of the longitudinal beam 103 are further provided with end cross beams 109, the top diagonal brace includes a first diagonal support portion 107 and a second diagonal support portion 108, one end of the first diagonal support portion 107 is fixedly connected with the middle position of the end cross beam 109, and the other end of the first diagonal support portion 107 is fixedly connected with the longitudinal beam 103 in a portal truss structure; one end of the second diagonal support portion 108 is fixedly connected with the middle position of the end cross beam 109, and the other end of the second diagonal support portion 108 is fixedly connected with the longitudinal beam 103 in the other portal truss structure.
In this embodiment, a top diagonal brace is also provided between the inter-column cross beam 105 and the longitudinal beam 103.
Further, in some optional embodiments, a first support component is disposed on a side of the first large cantilever brace 101 away from the second large cantilever brace 102, the first support component is fixedly connected to one end of the longitudinal beam 103, a second support component is disposed on a side of the second large cantilever brace 102 away from the first large cantilever brace 101, and the second support component is fixedly connected to the other end of the longitudinal beam 103.
Through setting up first supporting component and second supporting component, can further play the supporting role to longeron 103, improve the whole mechanical strength and the stability of top of the tower portal to the safety of lifting device such as hoist engine of assurance installation on longeron 103.
Further, in some optional embodiments, the first support assembly comprises a first cross bar 110, a first vertical bar 111, a first small inclined strut 112 and a second small inclined strut 113, one end of the first cross bar 110 is fixedly connected with the first cantilever large inclined strut 101, and the first cross bar 110 is parallel to the longitudinal beam 103; one end of a first vertical rod 111 is fixedly connected with one end of the first cross rod 110, and the other end of the first vertical rod 111 is fixedly connected with the longitudinal beam 103; one end of the first small inclined strut 112 is fixedly connected with one end of the first vertical rod 111, and the other end of the first small inclined strut 112 is fixedly connected with the joint of the first cantilever large inclined strut 101 and the longitudinal beam 103; one end of the second small inclined strut 113 is fixedly connected with one end of the first vertical rod 111, the other end of the second small inclined strut 113 is fixedly connected with the longitudinal beam 103, and the second small inclined strut 113 and the first small inclined strut 112 are symmetrically arranged on two sides of the first vertical rod 111.
In this embodiment, the first vertical bar 111 is perpendicular to the first horizontal bar 110. The first cross bar 110, the first vertical bar 111, the first small inclined strut 112, the second small inclined strut 113, the first cantilever large inclined strut 101 and the longitudinal beam 103 can be connected by bolts.
Referring to fig. 1, the first vertical bar 111 is perpendicular to the first horizontal bar 110. At least three stable triangular structures are formed among the first cross rod 110, the first vertical rod 111, the first small inclined strut 112, the second small inclined strut 113, the first cantilever large inclined strut 101 and the longitudinal beam 103.
Further, in some optional embodiments, the second support assembly comprises a second cross bar 114, a second vertical bar 115, a third small inclined strut 116 and a fourth small inclined strut 117, one end of the second cross bar 114 is fixedly connected with the second large cantilever inclined strut 102, and the second cross bar 114 is parallel to the longitudinal beam 103; one end of a second vertical rod 115 is fixedly connected with one end of a second cross rod 114, and the other end of the second vertical rod 115 is fixedly connected with the longitudinal beam 103; one end of a third small inclined strut 116 is fixedly connected with one end of a second vertical rod 115, and the other end of the third small inclined strut 116 is fixedly connected with the joint of the second cantilever large inclined strut 102 and the longitudinal beam 103; one end of the fourth small inclined strut 117 is fixedly connected with one end of the second vertical rod 115, the other end of the fourth small inclined strut 117 is fixedly connected with the longitudinal beam 103, and the fourth small inclined strut 117 and the third small inclined strut 116 are symmetrically arranged on two sides of the second vertical rod 115.
In this embodiment, the second vertical bar 115 is perpendicular to the second horizontal bar 114. The second cross rod 114, the second vertical rod 115, the third small inclined strut 116, the fourth small inclined strut 117, the second cantilever large inclined strut 102 and the longitudinal beam 103 can be connected by bolts.
Referring to fig. 1, the first vertical bar 111 is perpendicular to the first horizontal bar 110. At least three stable triangular structures are formed among the second cross rod 114, the second vertical rod 115, the third small inclined strut 116, the fourth small inclined strut 117, the second cantilever large inclined strut 102 and the longitudinal beam 103.
Further, in certain alternative embodiments, the portal truss structure further comprises a cross brace 118, a first column 119, a second column 120, a first vertical rod 121, a second vertical rod 122, and a third vertical rod 123; one end of a transverse strut 118 is fixedly connected with the first large cantilever diagonal brace 101, and the other end of the transverse strut 118 is fixedly connected with the second large cantilever diagonal brace 102; one end of the first upright column 119 is fixedly connected with the longitudinal beam 103, the other end of the first upright column 119 is used for being fixedly connected with the top of the tower, and the first upright column 119 is perpendicular to the longitudinal beam 103; one end of the second upright column 120 is fixedly connected with the longitudinal beam 103, the other end of the second upright column 120 is fixedly connected with the top of the tower, and the second upright column 120 is perpendicular to the longitudinal beam 103; one end of the first vertical rod 121 is fixedly connected with the longitudinal beam 103, and the other end of the first vertical rod 121 is fixedly connected with one end of the transverse supporting rod 118; one end of the second vertical rod 122 is fixedly connected with the longitudinal beam 103, and the other end of the second vertical rod 122 is fixedly connected with the other end of the transverse supporting rod 118; one end of the third vertical rod 123 is fixedly connected with the longitudinal beam 103, and the other end of the third vertical rod 123 is fixedly connected with the part between the two ends of the transverse supporting rod 118; the first vertical rod 121, the second vertical rod 122 and the third vertical rod 123 are all perpendicular to the longitudinal beam 103.
In this embodiment, first column 119 and second column 120 are anchored to the tower top by embedment, respectively. Optionally, one end of the third vertical rod 123 is fixedly connected to the middle position of the longitudinal beam 103.
Through setting up spreader bar 118, first stand 119, second stand 120, first vertical pole 121, second vertical pole 122 and third vertical pole 123, can improve portal truss structure's overall stability.
Further, in certain alternative embodiments, diagonal braces 124 are provided between the crossbar 118 and the stringer 103, between the crossbar 118 and the first boom big stay 101, and between the crossbar 118 and the second boom big stay 102.
Referring to fig. 1, four diagonal braces 124 are arranged between the transverse brace 118 and the longitudinal beam 103, the four diagonal braces 124 form an inverted W-shaped structure, one diagonal brace 124 is arranged between the transverse brace 118 and the first large cantilever brace 101 and between the transverse brace 118 and the second large cantilever brace 102, and the two diagonal braces 124 form an inverted V-shaped structure.
The whole portal frame at the top of the tower is of a double olecranon structure, so that the appearance is attractive, and the structure is stable.
Further, in some alternative embodiments, a first inclined support rod 125 is disposed between the first cantilever large inclined strut 101 and the first upright column 119, and a second inclined support rod 126 is disposed between the second cantilever large inclined strut 102 and the second upright column 120.
Optionally, one end of the first inclined supporting rod 125 is fixedly connected to a joint between the first cantilever large inclined strut 101 and the first cross rod 110, and the other end of the first inclined supporting rod 125 is fixedly connected to a joint between the first upright 119 and the longitudinal beam 103. One end of the second inclined supporting rod 126 is fixedly connected with the joint between the second cantilever large inclined strut 102 and the second cross rod 114, and the other end of the second inclined supporting rod 126 is fixedly connected with the joint between the second upright post 120 and the longitudinal beam 103. This way the support strength can be further improved.
Further, in certain alternative embodiments, the tower mast further comprises a working platform 127, the working platform 127 being disposed on the longitudinal beam 103.
To ensure the personal safety of the constructors, guard rails (not shown in the drawings) are provided at both sides of the working platform 127.
Example two
This embodiment provides a suspension bridge construction equipment, include the utility model discloses the top of the tower portal that provides.
The suspension bridge construction device that this embodiment provided, owing to used the utility model provides a top of the tower portal can support main bay side and the longeron 103 of side bay side respectively, when the construction, can place hoist and mount utensil such as hoist engine simultaneously at the both ends of longeron 103, has improved the security of hoist and mount.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The tower top portal frame is characterized by comprising a portal frame truss structure, wherein the portal frame truss structure comprises a longitudinal beam, a first large cantilever diagonal brace and a second large cantilever diagonal brace, one end of the longitudinal beam is positioned on a side span side, and the other end of the longitudinal beam is positioned on a main span side; one end of the first large cantilever inclined strut is fixedly connected with one end of the longitudinal beam, and the other end of the first large cantilever inclined strut is fixedly connected with the top of the tower; one end of the second cantilever large inclined strut is fixedly connected with the other end of the longitudinal beam, and the other end of the second cantilever large inclined strut is fixedly connected with the tower top.
2. The tower top portal frame of claim 1, wherein the number of the portal truss structures is two, a middle cross beam is arranged between the longitudinal beams in the two portal truss structures, and an inter-column cross beam, an inter-cantilever cross beam and a top surface inclined strut are arranged on two sides of the middle cross beam.
3. The tower top gantry frame according to claim 1, wherein a side of the first large cantilever brace far away from the second large cantilever brace is provided with a first support component fixedly connected with the one end of the longitudinal beam, and a side of the second large cantilever brace far away from the first large cantilever brace is provided with a second support component fixedly connected with the other end of the longitudinal beam.
4. The tower top gantry of claim 3, wherein the first support assembly comprises a first cross bar, a first vertical bar, a first small diagonal brace and a second small diagonal brace, one end of the first cross bar is fixedly connected with the first cantilever large diagonal brace, and the first cross bar is parallel to the longitudinal beam; one end of the first vertical rod is fixedly connected with one end of the first cross rod, and the other end of the first vertical rod is fixedly connected with the longitudinal beam; one end of the first small inclined strut is fixedly connected with one end of a first vertical rod, and the other end of the first small inclined strut is fixedly connected with the joint of the first cantilever large inclined strut and the longitudinal beam; one end of the second small inclined strut is fixedly connected with one end of the first vertical rod, the other end of the second small inclined strut is fixedly connected with the longitudinal beam, and the second small inclined strut is symmetrically arranged on two sides of the first vertical rod.
5. The tower top gantry of claim 3, wherein the second support assembly comprises a second cross bar, a second vertical bar, a third small diagonal brace and a fourth small diagonal brace, one end of the second cross bar is fixedly connected with the second cantilever large diagonal brace, and the second cross bar is parallel to the longitudinal beam; one end of the second vertical rod is fixedly connected with one end of the second cross rod, and the other end of the second vertical rod is fixedly connected with the longitudinal beam; one end of the third small inclined strut is fixedly connected with one end of the second vertical rod, and the other end of the third small inclined strut is fixedly connected with the joint of the second cantilever large inclined strut and the longitudinal beam; one end of the fourth small inclined strut is fixedly connected with one end of the second vertical rod, the other end of the fourth small inclined strut is fixedly connected with the longitudinal beam, and the fourth small inclined strut is symmetrically arranged on two sides of the second vertical rod and is symmetrically arranged on the third small inclined strut.
6. The overhead mast of claim 1, wherein the mast sheet structure further comprises a cross brace, a first column, a second column, a first vertical bar, a second vertical bar, and a third vertical bar; one end of the transverse supporting rod is fixedly connected with the first large cantilever inclined strut, and the other end of the transverse supporting rod is fixedly connected with the second large cantilever inclined strut; one end of the first upright column is fixedly connected with the longitudinal beam, the other end of the first upright column is used for being fixedly connected with the tower top, and the first upright column is perpendicular to the longitudinal beam; one end of the second upright column is fixedly connected with the longitudinal beam, the other end of the second upright column is used for being fixedly connected with the tower top, and the second upright column is perpendicular to the longitudinal beam; one end of the first vertical rod is fixedly connected with the longitudinal beam, and the other end of the first vertical rod is fixedly connected with one end of the transverse supporting rod; one end of the second vertical rod is fixedly connected with the longitudinal beam, and the other end of the second vertical rod is fixedly connected with the other end of the transverse supporting rod; one end of the third vertical rod is fixedly connected with the longitudinal beam, and the other end of the third vertical rod is fixedly connected with the part between the two ends of the transverse supporting rod; the first vertical rod, the second vertical rod and the third vertical rod are all perpendicular to the longitudinal beam.
7. The tower top mast of claim 6, wherein a diagonal brace is provided between the cross brace and the stringer, between the cross brace and the first large cantilever diagonal brace, and between the cross brace and the second large cantilever diagonal brace.
8. The tower top portal frame of claim 6, wherein a first inclined support rod is arranged between the first large cantilever inclined strut and the first upright, and a second inclined support rod is arranged between the second large cantilever inclined strut and the second upright.
9. The mast top mast according to any one of claims 1 to 8, further comprising a working platform disposed on said stringers.
10. A suspension bridge construction installation comprising a mast head according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020939701.2U CN212612009U (en) | 2020-05-28 | 2020-05-28 | Tower top portal frame and suspension bridge construction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020939701.2U CN212612009U (en) | 2020-05-28 | 2020-05-28 | Tower top portal frame and suspension bridge construction device |
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| CN212612009U true CN212612009U (en) | 2021-02-26 |
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| CN202020939701.2U Active CN212612009U (en) | 2020-05-28 | 2020-05-28 | Tower top portal frame and suspension bridge construction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892516A (en) * | 2022-05-12 | 2022-08-12 | 中国水利水电第十四工程局有限公司 | Detachable cable saddle device in cable hoisting system |
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2020
- 2020-05-28 CN CN202020939701.2U patent/CN212612009U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892516A (en) * | 2022-05-12 | 2022-08-12 | 中国水利水电第十四工程局有限公司 | Detachable cable saddle device in cable hoisting system |
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