CN221027246U - Steel lattice type beam top surface crawler hanging rail - Google Patents
Steel lattice type beam top surface crawler hanging rail Download PDFInfo
- Publication number
- CN221027246U CN221027246U CN202322620644.8U CN202322620644U CN221027246U CN 221027246 U CN221027246 U CN 221027246U CN 202322620644 U CN202322620644 U CN 202322620644U CN 221027246 U CN221027246 U CN 221027246U
- Authority
- CN
- China
- Prior art keywords
- track
- longitudinal
- top surface
- steel lattice
- construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 238000010276 construction Methods 0.000 abstract description 22
- 230000007306 turnover Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007667 floating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model belongs to the technical field of bridge hoisting construction, and discloses a steel lattice type girder top surface crawler crane track, which consists of track units connected end to end, wherein the track units comprise: two longitudinal stringers parallel to each other; the longitudinal beams on two sides are fixedly connected by the cross beams; the joint is positioned at the end part of the longitudinal beam and used for connecting the rail units, and the height of the joint is consistent with that of the longitudinal beam; and the cover plate is fully paved above the longitudinal beam and fixedly connected with the longitudinal beam and is used for directly contacting the crawler crane. The track disclosed by the utility model is safe and reliable, the turnover speed is high, the crawler crane can automatically hoist the track units to turn over and further move, the construction difficulty that the land equipment on the top surface of the steel lattice beam is difficult to hoist and move in a standing way is solved, the investment time of large-scale equipment of the steel lattice beam in a complex construction environment is reduced, the construction operation surface is increased, the construction progress is accelerated, the construction safety risk is reduced, and the construction production cost is saved.
Description
Technical Field
The utility model belongs to the technical field of bridge hoisting construction, and particularly relates to a steel lattice type girder top surface crawler crane track.
Background
Along with the continuous development of the bridge construction technology with the goals of convenience, rapidness, safety, environmental protection, low carbon and the like, the bridge span is continuously increased so as to adapt to the needs of river crossing, valley crossing and the like, the structural form of the large-span bridge mainly takes a steel structure as a main part, and the steel lattice type girder bridge occupies a place in the steel structure bridge. The steel lattice type bridge deck stress structure is integrally formed by welding the main longitudinal beam A, the middle transverse beam B and the small longitudinal beam C. Under river-crossing and river-crossing construction environments, the common installation method of the steel lattice beam is mainly bridge position assembly, and most of the steel lattice beam is installed by using floating cranes.
The steel lattice beam has more sections, and the small longitudinal beam has light weight, occupies larger space and has more lifting times according to the analysis of the form and the characteristics of the members. The inland river floating crane mostly adopts the combination type, and it removes and fixes a position slowly, and hoist and mount inefficiency especially to little and many components, under the construction environment that keeps navigation and water level influenced by fluctuation tide change, adopts floating crane hoist and mount, and large-scale lifting device utilization ratio is low, and the construction progress is slow, and manufacturing cost is higher, and construction organization degree of difficulty is big and the security risk is higher. If the steel lattice beam is hoisted on the bridge deck, the whole stress system of the steel lattice beam bridge deck is not established, and the land hoisting equipment cannot move and the hoisting operation is implemented at a station.
Disclosure of utility model
In order to overcome the technical problems, the utility model provides the crawler crane track on the top surface of the steel lattice beam, so that the crawler crane is used for hoisting construction on the bridge deck of the steel lattice beam, and the construction efficiency is improved.
The utility model adopts the following technical scheme:
A steel lattice beam top surface crawler track, comprising end-to-end track units comprising:
two longitudinal stringers parallel to each other, each of which is formed by fixedly connecting a plurality of longitudinal section steel through a plurality of transverse cross braces;
the cross beams are used for fixedly connecting longitudinal beams on two sides;
The joints are positioned at the end parts of the longitudinal beams and used for connecting the rail units, and the heights of the joints are consistent with those of the longitudinal beams;
and the cover plate is fully paved above the longitudinal beam and fixedly connected with the longitudinal beam and is used for directly contacting the crawler crane.
The half section of the joint is positioned in the gap between two adjacent section steels and is fixedly welded with the two section steels, and the other half section of the joint exceeds the end face of the longitudinal beam.
The longitudinal beam is provided with three sections, an inner gap and an outer gap are formed between the three sections, and the joints are respectively positioned in the tail end outer gap and the head end inner gap of the longitudinal beam.
The end part of the longitudinal beam is provided with a transverse first pin hole, and the half section of the joint outside the longitudinal beam is provided with a transverse second pin hole.
The rail units are connected end to end by transversely penetrating through the first pin hole and the second pin hole through pin rods.
Vertical holes are formed in two ends of the pin rod, and anti-slip pins are inserted into the vertical holes.
The outer side edge of apron fixed connection a plurality of vertical ascending stopper.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model adopts the frame beam structure to be arranged on the top surface of the steel lattice beam, has good integrity, strong bearing capacity and more balanced stress, and has less steel consumption; the end heads of the longitudinal beams are socket joints, the track units are connected conveniently, safely and reliably, the turnover speed is high, and the crawler crane can hoist and move automatically; the adoption of the crawler crane track system can solve the construction problems that the land equipment on the top surface of the steel lattice beam is difficult to hoist and move in a standing way, achieves the aim of hoisting the components by utilizing the crawler crane on the top surface of the steel lattice beam, improves the operation environment of the hoisting equipment, and better plays the advantages of strong mobility and high hoisting speed of the crawler crane; by adopting the utility model, the investment time of large equipment of the steel lattice beam in a complex construction environment can be reduced, the construction working face is increased, the construction progress is accelerated, the construction safety risk is reduced, and the construction production cost is saved.
Drawings
FIG. 1 is a schematic view of a track unit (with joints removed);
FIG. 2 is a schematic view of FIG. 1 taken along section A-A;
FIG. 3 is a schematic illustration of a joint versus stringer;
FIG. 4 is a schematic diagram of a track unit connection;
Fig. 5 is a schematic view of the working state of the track.
Reference numerals illustrate:
1, a longitudinal beam; 1-1 section steel; 1-2 cross braces; 2, a cross beam; 3, a cover plate; a limiting block 4; 5 joints; 6 pin holes I; 7, a second pin hole; 8 pin bars.
Detailed Description
Embodiments of the present utility model will be described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout, and wherein the raw materials and equipment employed, unless otherwise specified, are commercially available or commonly used in the art, and wherein the methods of the embodiments, unless otherwise specified, are conventional in the art. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
The track unit formed by connecting longitudinal beams 1, cross beams 2, plugs, pin rods 8, cover plates 3 and limiting blocks 4 end to end is formed, longitudinal beams 1 on two sides of the track unit are respectively formed by connecting and assembling three 12m long and 45cm high profile steel 1-1 serving as cross braces 1-2 in length and 14cm high channel steel serving as cross braces 1-2, the center distance between the left side longitudinal beam 1 and the right side longitudinal beam 1 is consistent with the center distance of the track hanging track, and the transverse beams 2 are connected into a frame type integral structure by 3.1m long and 40cm high I-steel; the steel plate with the thickness of 2cm and the width of 120cm is fully paved at the top of the longitudinal beam 1, so that the load of the crawler crane is uniformly transferred to the longitudinal beam 1, and then is transferred downwards to the bracket through the longitudinal beam 1; limiting blocks 4 are arranged at intervals of 1m on the outer side of the longitudinal beam 1, the limiting blocks 4 are formed by adopting channel steel with the length of 20cm and the height of 14cm, the channel steel is arranged at intervals of 1m along the longitudinal beam 1, the vertical arrangement is carried out, the notch is arranged outwards, and the notch is welded and fixed on the cover plate 3 to serve as a safety limit guarantee in the running process of the crawler crane, so that the crawler is prevented from derailing; in order to facilitate the continuous turnover of a track structure, two track units are arranged in total, a socket joint 5 is designed at the end of a longitudinal beam 1, the joint 5 is formed by double splicing of I-shaped steel 1-1 with the length of 1.0m and the height of 45cm, the joint 5 is arranged in a gap between the I-shaped steel 1-1 of the longitudinal beam 1, the joint 5 stretches into the longitudinal beam 1 by 50cm and is exposed by 50cm, an inner gap and an outer gap are formed between three sections of the steel 1-1, the joint 5 is respectively positioned in a gap at the outer side of the tail end and a gap at the inner side of the head end of the longitudinal beam 1, each track unit is provided with four joints 5, a pin hole I6 with the diameter of 80mm is formed at the end part of the longitudinal beam 1, a pin hole II 7 with the diameter of 80mm is formed at the part of the joint 5 stretching out of the longitudinal beam 1 and is used as a pin 8 connecting fixing hole, and a solid pin 8 with the length of 1.5m and a 45-number steel solid pin 8 with the diameter of 60mm is connected through the pin hole I6 and the pin hole II 7; in order to prevent the pin rod 8 from transversely moving, vertical holes are formed at two ends of the pin rod 8, and anti-slip pins are inserted into the vertical holes; the forward alternation turnover of the track unit structure of the crawler crane is completely completed by the self-hanging movement of the crawler crane, and the manual auxiliary assembly and lengthening are realized.
Steel lattice beam top surface crawler crane track, when in use:
Acquiring relevant parameters of a track of the crawler crane in advance, and determining the processing length and the processing width of a track unit according to the length of the crawler crane and the distance between the cross beams 2 in the steel lattice beam; the rear rail units and the front rail units are mutually spliced through staggered joints 5 and then are connected by using pins 8, and the crawler crane walks on the rails to carry out hoisting construction work; along with the advancing of the crawler, the work of forward turnover assembly of the track units at the rear of the crawler is lifted by the crawler, and the manual assistance is completed, so that the crawler continuously advances, the bottom of the longitudinal beam 1 is fully closely attached to the top surface of the steel lattice beam, and the normal transmission of the load at the upper part is ensured.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many variations, modifications, substitutions and alterations are possible to the above embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a steel lattice formula roof side crawler crane track comprises end to end's track unit, its characterized in that, the track unit includes:
two longitudinal stringers parallel to each other, each of which is formed by fixedly connecting a plurality of longitudinal section steel through a plurality of transverse cross braces;
the cross beams are used for fixedly connecting longitudinal beams on two sides;
The joints are positioned at the end parts of the longitudinal beams and used for connecting the rail units, and the heights of the joints are consistent with those of the longitudinal beams;
and the cover plate is fully paved above the longitudinal beam and fixedly connected with the longitudinal beam and is used for directly contacting the crawler crane.
2. The steel lattice beam top surface crawler track of claim 1, wherein the joint half sections are positioned in the gaps between two adjacent section steel and fixedly welded with the section steel, and the other half sections exceed the end surfaces of the longitudinal beams.
3. The steel lattice beam top surface crawler track of claim 2, wherein the longitudinal beam has three sections forming an inner and an outer two gaps therebetween, the joints being located in the trailing outer gap and the leading inner gap of the longitudinal beam, respectively.
4. A steel lattice beam top surface crawler track as in claim 3 wherein said longitudinal beam ends are provided with transverse pin holes one and said joint outer half is provided with transverse pin holes two.
5. The steel lattice beam top surface crawler track as in claim 4 wherein said track units are connected end to end by pins extending transversely through pin holes one and two.
6. The steel lattice beam top surface crawler track of claim 5, wherein vertical holes are formed at two ends of the pin rod, and an anti-slip pin is inserted into the vertical holes.
7. The steel lattice beam top surface crawler track of claim 1, wherein the outside edges of the cover plates are fixedly connected with a plurality of vertically upward limiting blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322620644.8U CN221027246U (en) | 2023-09-26 | 2023-09-26 | Steel lattice type beam top surface crawler hanging rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322620644.8U CN221027246U (en) | 2023-09-26 | 2023-09-26 | Steel lattice type beam top surface crawler hanging rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221027246U true CN221027246U (en) | 2024-05-28 |
Family
ID=91138245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322620644.8U Active CN221027246U (en) | 2023-09-26 | 2023-09-26 | Steel lattice type beam top surface crawler hanging rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221027246U (en) |
-
2023
- 2023-09-26 CN CN202322620644.8U patent/CN221027246U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201003145Y (en) | Upward and self-walking type mobile die carrier | |
| CN205348004U (en) | Moving die carrier | |
| CN101126223A (en) | Mobile integral construction platform, construction method thereof and special sling for the same | |
| CN201087323Y (en) | Mobile integral construction platform | |
| CN105839550B (en) | A kind of compressing walking mechanism and cantilever cradle for cantilever cradle | |
| CN202925472U (en) | Fixed truss lift for continuous steel beam assembling and pushing | |
| CN221027246U (en) | Steel lattice type beam top surface crawler hanging rail | |
| CN113481852A (en) | Bridge wet joint formwork system capable of being continuously constructed | |
| CN210216187U (en) | Tonghong bailey type bridge-dismantling hoisting equipment | |
| CN110373990A (en) | The double-deck whole hole of Combined steel truss beam manufactures and erection construction method | |
| CN212270708U (en) | Guide beam device additionally arranged at two ends of main beam of bridge girder erection machine | |
| CN113774813A (en) | Traction deviation rectifying equipment convenient for installing large-section steel truss box girder | |
| CN110374009B (en) | Method for improving construction efficiency of full-rotation bridge girder erection machine | |
| CN210217757U (en) | Overlength lining cutting platform truck | |
| CN110424269B (en) | Side span construction method of three-branch box girder cable bearing bridge | |
| CN110700098B (en) | Safe crossing method for double-guide-beam type bridge girder erection machine | |
| CN210368664U (en) | Wide-body bridge girder erection machine | |
| CN217174379U (en) | A portable basket of hanging for I-steel girder installation construction | |
| CN219410583U (en) | Double-hanging basket structure for closure of continuous beam bridge | |
| CN201334310Y (en) | Superhigh large-span light gate-type crane | |
| CN205223823U (en) | Highway with stride a formula single track and build bilateral case section structure of bridge jointly | |
| CN220848631U (en) | Movable double-construction platform for mounting small steel plate girder cross beam | |
| CN221318971U (en) | Single-beam cantilever portal crane | |
| CN212335661U (en) | Single-cable-surface large-span bridge structure suitable for straddle type monorail | |
| CN219384698U (en) | Novel movable operation platform for bridge reinforcement and maintenance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |