CN215714661U - Device for installing steel truss girder cable carrying channel - Google Patents

Device for installing steel truss girder cable carrying channel Download PDF

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Publication number
CN215714661U
CN215714661U CN202121740793.2U CN202121740793U CN215714661U CN 215714661 U CN215714661 U CN 215714661U CN 202121740793 U CN202121740793 U CN 202121740793U CN 215714661 U CN215714661 U CN 215714661U
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China
Prior art keywords
steel truss
carrying channel
cable carrying
installing
platform
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Active
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CN202121740793.2U
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Chinese (zh)
Inventor
安浩兵
李永全
卢炜
程细平
张春红
刘科
潘胜平
钱玉山
吴侃发
妥鹏
杨碧波
刘宏达
吕创龙
王小亮
陈文盛
徐文启
刘佳
李刚
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China Railway Major Bridge Engineering Group Co Ltd MBEC
China Railway Group Ltd CREC
5th Engineering Co Ltd of MBEC
Original Assignee
China Railway Major Bridge Engineering Group Co Ltd MBEC
China Railway Group Ltd CREC
5th Engineering Co Ltd of MBEC
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Priority to CN202121740793.2U priority Critical patent/CN215714661U/en
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Abstract

The utility model discloses a device for installing a steel truss cable carrying channel, which relates to the technical field of cable carrying channel construction, and comprises: the steel truss girder hoisting device comprises a rail, a hoisting assembly and two first platforms, wherein the rail is longitudinally arranged along the steel truss girder and is fixed with the lower end of the upper beam of the steel truss girder; the lifting assembly is movably connected with the track and can move along the track, and the lifting assembly is used for lifting a cable carrying channel segment to be installed; the two first platforms are arranged on two sides of the lifting assembly at intervals, movably connected with the rail and capable of moving along the rail, and used for respectively bearing two ends of a cable carrying channel section to be installed lifted by the lifting assembly. According to the cable carrying channel segment to be installed, the cable carrying channel segment to be installed is lifted by the lifting assembly, two ends of the cable carrying channel segment are respectively placed on the two first platforms, and then the cable carrying channel segment to be installed is installed by the two first platforms, so that the construction risk is low, and the construction efficiency is high.

Description

Device for installing steel truss girder cable carrying channel
Technical Field
The utility model relates to the technical field of cable carrying channel construction, in particular to a device for installing a steel truss cable carrying channel.
Background
At present, in the installation of an auxiliary structure of a steel truss bridge, a cable carrying channel is generally positioned at the lower part of an upper deck, so that constructors cannot directly reach the cable carrying channel, and the installation is often difficult.
In the prior art, a common cable carrying channel installation method generally comprises the following steps: set up large-scale truss at the bridge floor, set up the right angle cantilever device and stretch into steel truss lower extreme in order to provide mounting platform from the horizontal outside of bridge on the truss, establish lifting device on the mounting platform, cable carries on the passageway festival section and hoists to the mounting platform from the underbridge and install.
However, the above mounting method has at least the following problems:
1. the right-angle cantilever device is in a cantilever state, and the risk of overturning is high;
2. the cable carrying channel segment is hoisted to the mounting platform from the lower part of the bridge to be mounted, the hoisting length is too long, and the influence of wind swing is large;
3. the right-angle cantilever device can touch the auxiliary girder supporting rod between the sections of the steel girder along the longitudinal movement process of the bridge, and the steel girder needs to be rotated repeatedly to avoid, so that the construction efficiency is reduced except for the overturning risk.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a device for installing a steel truss cable carrying channel, which can solve the technical problem of overturning risk caused by the fact that a right-angle cantilever device is arranged on a bridge floor to install the steel truss cable carrying channel in the prior art.
The embodiment of the utility model provides a device for installing a steel truss girder cable carrying channel, which comprises:
the rail is longitudinally arranged along the steel truss girder and is fixed with the lower end of the upper steel truss girder;
the lifting assembly is movably connected with the track and can move along the track, and the lifting assembly is used for lifting the cable carrying channel segment to be installed;
the two first platforms are arranged on two sides of the lifting assembly at intervals, movably connected with the rail and capable of moving along the rail, and used for respectively bearing two ends of a cable carrying channel section to be installed lifted by the lifting assembly.
In some embodiments, the first platform comprises a base, the base is divided into a safety area and a receiving area, the safety area is used for a constructor to operate, and the receiving area is used for receiving the cable carrying channel section to be installed lifted by the lifting assembly.
In some embodiments, the first platform comprises four suspension rods, one ends of the four suspension rods are connected with the base and arranged at intervals to form the safety zone, and a guardrail is connected between every two adjacent suspension rods.
In some embodiments, the first platform includes four traveling mechanisms corresponding to the four booms one by one, a lower end of each traveling mechanism is connected to an upper end of the corresponding boom, and an upper end of each traveling mechanism is movably connected to the rail and can move along the rail.
In some embodiments, a plurality of spaced first rollers are disposed on the base, and the axes of the plurality of first rollers are all longitudinally parallel to the steel truss.
In some embodiments, the apparatus further comprises:
and the second platform is detachably connected with the upper end of the lower beam of the steel truss girder and is used for conveying the cable carrying channel section to be installed to the position right below the hoisting assembly.
In some embodiments, the second platform comprises:
the four upright posts are detachably connected with the upper end of the lower beam of the steel truss girder and arranged at intervals to form a rectangle;
the connecting assembly is connected with the four upright posts and transversely extends to the position right below the hoisting assembly, and the connecting assembly comprises a plurality of longitudinal connecting pieces and a plurality of transverse connecting pieces which are connected in a staggered mode;
a plurality of spaced second gyro wheels, it is located on the coupling assembling, it is a plurality of the second gyro wheel axis all is parallel with steel longeron is vertical.
In some embodiments, the track, the lifting assembly and the two first platforms are all located on one side of the steel truss girder internode auxiliary truss brace close to the steel truss girder.
In some embodiments, the apparatus further comprises:
and the two temporary anchoring pieces are respectively used for temporarily fixing the two first platforms and the upper steel truss girder.
In some embodiments, the hoisting assembly is two electric hoists arranged at intervals.
The technical scheme provided by the utility model has the beneficial effects that:
the embodiment of the utility model provides a device for installing a steel truss cable carrying channel, wherein a cable carrying channel section to be installed is lifted by a lifting assembly, two ends of the cable carrying channel section to be installed are respectively placed on two first platforms, and the cable carrying channel section to be installed is installed at the lower end of an upper cross beam of a steel truss by the two first platforms, so that the steel truss cable carrying channel is prevented from being installed by a right-angle cantilever device, the construction risk is low, and the construction efficiency is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a method for installing a cable carrying channel of a steel truss girder according to an embodiment of the present invention;
fig. 2 is a flowchart of step S1 in a method for installing a cable loading channel of a steel truss girder according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an apparatus for installing a cable carrying channel of a steel truss girder according to an embodiment of the present invention;
FIG. 4 is a right side view of FIG. 3 provided in accordance with an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of FIG. 3 provided in accordance with an embodiment of the present invention;
FIG. 6 is a top view of FIG. 5 in accordance with an embodiment of the present invention;
FIG. 7 is another enlarged schematic view of FIG. 3 provided in accordance with an embodiment of the present invention;
FIG. 8 is a top view of FIG. 7 in accordance with an embodiment of the present invention;
FIG. 9 is a right side view of FIG. 7 provided in accordance with an embodiment of the present invention;
in the figure: 1. a track; 2. a hoisting assembly; 3. a first platform; 31. a base; 311. a security zone; 312. a carrying area; 32. a boom; 321. a guardrail; 33. a traveling mechanism; 34. a first roller; 4. a second platform; 41. a column; 42. a connecting assembly; 421. a longitudinal connector; 422. a transverse connector; 43. a second roller; 44. a web member; 45. a reinforcing bar; 5. a cable carrying channel segment; 6. the steel truss girder internode auxiliary truss brace rod; 7. and (4) temporarily anchoring the device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment of the utility model provides a method for installing a steel truss cable carrying channel, which can solve the technical problem of overturning risk caused by the fact that a right-angle cantilever device is arranged on a bridge floor to install the steel truss cable carrying channel in the prior art.
Referring to fig. 1, a method of installing a steel truss cable pick-up channel, the method comprising the steps of:
step S1, the hoisting assembly 2 is used to hoist a cable carrying channel segment to be installed, and then the cable carrying channel segment is lowered so that both ends thereof fall on the two first platforms 3, respectively.
Specifically, referring to fig. 2, the hoisting assembly 2 is used to hoist a cable-carrying channel segment to be installed, and then lower the cable-carrying channel segment so that two ends of the cable-carrying channel segment respectively fall on two first platforms 3, including:
step S101, moving the two first platforms 3 so that the distance between the two first platforms 3 is greater than the cable carrying channel segment to be installed.
And step S102, hoisting the cable embarkation channel section to pass through between the two first platforms 3 and be higher than the two first platforms 3 by using the hoisting assembly 2.
Step S103, moving the two first platforms 3 again, and making the distance between the two first platforms 3 smaller than the length of the cable carrying channel segment.
And step S104, lowering the cable carrying channel segment to enable the two ends of the cable carrying channel segment to fall on the two first platforms 3 respectively.
And step S2, using the two first platforms 3 as construction platforms, and installing the cable carrying channel section at the lower end of the upper beam of the steel truss girder.
Step S3, moving the hoisting assembly 2 and the two first platforms 3 along the track 1 to the installation position of the next cable carrying channel segment to be installed.
And step S4, repeatedly executing the steps S1-S3 until all the cable embarkation channel segments are installed.
According to the method for installing the steel truss cable carrying channel in the embodiment of the utility model, the cable carrying channel section to be installed is lifted by the lifting assembly 2, two ends of the cable carrying channel section to be installed are respectively placed on the two first platforms 3, and the cable carrying channel section to be installed is installed at the lower end of the steel truss upper beam by utilizing the two first platforms 3, so that the steel truss cable carrying channel is prevented from being installed by adopting a right-angle cantilever device, the construction risk is low, and the construction efficiency is high.
As an optional implementation manner, the method for installing the cable carrying channel of the steel truss girder in the embodiment of the utility model further includes that the second platform 4 is used for conveying the cable carrying channel section to be installed to the position right below the hoisting assembly 2, so that the cable carrying channel section to be installed does not need to be hoisted from the under-bridge, and construction is performed by matching the hoisting assembly 2 and the two first platforms 3, so that the construction efficiency can be improved.
Referring to fig. 3 and 4, an embodiment of the present invention further provides an apparatus for installing a cable carrying channel of a steel truss, where the apparatus includes: the track 1, the hoisting assembly 2 and two first platforms 3.
The track 1 is arranged longitudinally along the steel truss and fixed with the lower end of the upper beam of the steel truss. The lifting assembly 2 is movably connected with the track 1 and can move along the track 1, and the lifting assembly 2 is used for lifting a cable carrying channel segment to be installed. The two first platforms 3 are arranged on two sides of the hoisting assembly 2 at intervals, the two first platforms 3 are movably connected with the track 1 and can move along the track 1, and the two first platforms 3 are used for carrying cable carrying channel sections to be installed hoisted by the hoisting assembly 2.
Referring to fig. 1, the working principle of the device for installing the steel truss girder cable carrying channel is as follows:
step S1, the hoisting assembly 2 is used to hoist a cable carrying channel segment to be installed, and then the cable carrying channel segment is lowered so that both ends thereof fall on the two first platforms 3, respectively.
And step S2, using the two first platforms 3 as construction platforms, and installing the cable carrying channel section at the lower end of the upper beam of the steel truss girder. In addition, in order to ensure the construction stability of the two first platforms 3, the first platforms 3 and the steel truss upper cross beam can be temporarily fixed by adopting a temporary anchoring piece 7.
Step S3, moving the hoisting assembly 2 and the two first platforms 3 along the track 1 to the installation position of the next cable carrying channel segment to be installed.
And step S4, repeatedly executing the steps S1-S3 until all the cable embarkation channel segments are installed.
According to the device for installing the steel truss cable carrying channel, disclosed by the embodiment of the utility model, the lifting assembly 2 and the two first platforms 3 are arranged, the cable carrying channel section to be installed is lifted by the lifting assembly 2, two ends of the cable carrying channel section to be installed are respectively placed on the two first platforms 3, and then the cable carrying channel section to be installed is installed at the lower end of the upper beam of the steel truss by utilizing the two first platforms 3, so that the right-angle cantilever device is avoided from being adopted for installing the steel truss cable carrying channel, the construction risk is low, and the construction efficiency is high.
As an alternative embodiment, referring to fig. 5 and 6, the device for installing a cable carrying channel of a steel truss girder according to an embodiment of the present invention includes that the first platform 3 includes a base 31, the base 31 is divided into a safety area 311 and a receiving area 312, the safety area 311 is used for a constructor to operate, the receiving area 312 is used for receiving a cable carrying channel segment to be installed lifted by the lifting assembly 2, and the space on the base 31 is reasonably utilized by partitioning the base 31.
As an alternative embodiment, referring to fig. 5 and 6, the device for installing a steel truss cable carrying channel in the embodiment of the present invention includes that the first platform 3 includes four suspension rods 32, one end of each of the four suspension rods 32 is connected to the base 31 and spaced apart from each other to define the safety zone 311, and a guardrail 321 is connected between two adjacent suspension rods 32, where the guardrail 321 protects construction personnel.
As an alternative embodiment, referring to fig. 5 and 6, the device for installing a steel truss cable carrying channel in the embodiment of the present invention includes that the first platform 3 includes four traveling mechanisms 33 corresponding to the four suspension rods 32 one by one, a lower end of each traveling mechanism 33 is connected to an upper end of the corresponding suspension rod 32, an upper end of each traveling mechanism 33 is movably connected to the track 1 and can move along the track 1, and the four traveling mechanisms 33 can drive the first platform 3 to move along the track 1, so as to facilitate construction.
As an alternative implementation manner, in the apparatus for installing a cable carrying channel of a steel truss girder according to an embodiment of the present invention, referring to fig. 5, a plurality of first rollers 34 are disposed on the base 31 at intervals, axes of the plurality of first rollers 34 are all longitudinally parallel to the steel truss girder, and the first rollers 34 are used for moving a cable carrying channel section to be installed on the first platform 3, so as to facilitate construction.
As an alternative embodiment, in the embodiment of the present invention, referring to fig. 3 and 4, the apparatus for installing a cable carrying channel of a steel truss further includes: the second platform 4 is detachably connected with the upper end of the lower beam of the steel truss girder, and the second platform 4 is used for conveying a cable carrying channel section to be installed to the position right below the hoisting assembly 2. The second platform 4 enables the cable carrying channel section to be installed to be free of lifting from the bridge, and construction can be achieved by matching the lifting assembly 2 and the two first platforms 3, so that construction efficiency can be improved.
Further, referring to fig. 7 and 8, the second platform 4 includes: four uprights 41, a linkage assembly 42 and a plurality of spaced second rollers 43.
The four upright columns 41 are detachably connected with the upper end of the lower beam of the steel truss girder and are arranged at intervals to form a rectangle, so that the second platform 4 can be longitudinally moved, installed and detached along the steel truss girder as required, and is suitable for the installation position of a cable carrying channel section to be installed. The connecting assembly 42 is connected with the four upright posts 41 and transversely extends to the position right below the hoisting assembly 2, and the connecting assembly 42 comprises a plurality of longitudinal connecting pieces 421 and transverse connecting pieces 422 which are connected in a staggered manner, so that the structure of the second platform 4 is more stable. The second rollers 43 are arranged on the connecting assembly 42, the axes of the second rollers 43 are longitudinally parallel to the steel truss girder, and the second rollers 43 are used for enabling the cable carrying channel section to be installed to move on the second platform 4, so that construction is facilitated.
In addition, referring to fig. 7 and 9, in order to further improve the structural stability of the second platform 4, a web 44 may be provided below the connection assembly 42, and a reinforcing bar 45 may be provided between the columns 41.
As an alternative embodiment, in the apparatus for installing a cable carrying channel of a steel truss girder according to an embodiment of the present invention, referring to fig. 3, the track 1, the lifting assembly 2, and the two first platforms 3 are all located on one side of the steel truss girder internode sub-truss rod close to the steel truss girder, so that the lifting assembly 2 and the two first platforms 3 do not collide with the steel truss girder internode sub-truss rod when moving.
As an alternative embodiment, in the device for installing a cable carrying channel of a steel truss girder according to an embodiment of the present invention, referring to fig. 4, the hoisting assembly 2 may be two electric hoists arranged at intervals.
As an alternative embodiment, in the apparatus for installing a cable carrying channel of a steel truss in the embodiment of the present invention, referring to fig. 5, when installing a cable carrying channel section on two first platforms 3 at the lower end of an upper beam of the steel truss, in order to ensure the construction stability of the two first platforms 3, a temporary anchor 7 may be used to temporarily fix the first platforms 3 and the upper beam of the steel truss.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An apparatus for installing a steel truss cable carrying channel, the apparatus comprising:
the rail (1) is longitudinally arranged along the steel truss and is fixed with the lower end of the upper beam of the steel truss;
the lifting assembly (2) is movably connected with the track (1) and can move along the track (1), and the lifting assembly (2) is used for lifting a cable carrying channel segment to be installed;
two first platforms (3), its relative interval set up in lift by crane subassembly (2) both sides, two first platform (3) all with track (1) swing joint just can follow track (1) removes, two first platform (3) are used for accepting respectively lift by crane the cable that subassembly (2) lifted by crane were waited to install carries on the both ends of passageway festival section.
2. The apparatus for installing a cable carrying channel of a steel truss as claimed in claim 1, wherein:
first platform (3) include base (31), base (31) divide into safe district (311) and accepting region (312), safe district (311) are used for the constructor operation, accepting region (312) are used for accepting the cable of waiting to install that lifts by crane subassembly (2) lifts by crane carries on the passageway festival section.
3. The apparatus for installing a cable carrying channel of a steel truss as claimed in claim 2, wherein:
the first platform (3) comprises four suspension rods (32), one ends of the suspension rods (32) are connected with the base (31) and are arranged at intervals to form a safety area (311), and two adjacent suspension rods (32) are connected with each other through guardrails (321).
4. A device for installing a cable carrying channel of a steel truss as claimed in claim 3, wherein:
the first platform (3) comprises four walking mechanisms (33) corresponding to the hanging rods (32) one to one, the lower ends of the walking mechanisms (33) are connected with the upper ends of the corresponding hanging rods (32), and the upper ends of the walking mechanisms (33) are movably connected with the track (1) and can move along the track (1).
5. The apparatus for installing a cable carrying channel of a steel truss as claimed in claim 2, wherein:
the base (31) is provided with a plurality of first rollers (34) at intervals, and the axes of the first rollers (34) are longitudinally parallel to the steel truss girder.
6. An apparatus for installing a cable carrying channel in a steel truss as defined in claim 1, wherein said apparatus further comprises:
and the second platform (4) is detachably connected with the upper end of the lower beam of the steel truss girder, and the second platform (4) is used for conveying the cable carrying channel segment to be installed to the position right below the hoisting assembly (2).
7. An arrangement for installing a cable carrying channel in a steel truss as defined in claim 6 wherein said second platform (4) comprises:
the four upright posts (41) are detachably connected with the upper end of the lower beam of the steel truss girder and are arranged at intervals to form a rectangle;
the connecting assembly (42) is connected with the four upright columns (41) and transversely extends to the position right below the hoisting assembly (2), and the connecting assembly (42) comprises a plurality of longitudinal connecting pieces and transverse connecting pieces which are connected in a staggered mode;
a plurality of spaced second rollers (43) disposed on the connector assembly (42), the axes of the plurality of second rollers (43) all being longitudinally parallel to the steel truss.
8. The apparatus for installing a cable carrying channel of a steel truss as claimed in claim 1, wherein:
the track (1), the hoisting assembly (2) and the two first platforms (3) are all located on one side, close to the steel truss, of the steel truss internode auxiliary truss brace rod (6).
9. An apparatus for installing a cable carrying channel in a steel truss as defined in claim 1, wherein said apparatus further comprises:
and the two temporary anchoring pieces (7) are respectively used for temporarily fixing the two first platforms (3) and the upper beam of the steel truss girder.
10. The apparatus for installing a cable carrying channel of a steel truss as claimed in claim 1, wherein: the hoisting component (2) is two electric hoists arranged at intervals.
CN202121740793.2U 2021-07-28 2021-07-28 Device for installing steel truss girder cable carrying channel Active CN215714661U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121740793.2U CN215714661U (en) 2021-07-28 2021-07-28 Device for installing steel truss girder cable carrying channel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121740793.2U CN215714661U (en) 2021-07-28 2021-07-28 Device for installing steel truss girder cable carrying channel

Publications (1)

Publication Number Publication Date
CN215714661U true CN215714661U (en) 2022-02-01

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Application Number Title Priority Date Filing Date
CN202121740793.2U Active CN215714661U (en) 2021-07-28 2021-07-28 Device for installing steel truss girder cable carrying channel

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