CN203188120U - Main girder structure of truss type bridge girder erection machine and trussed type bridge girder erection machine - Google Patents
Main girder structure of truss type bridge girder erection machine and trussed type bridge girder erection machine Download PDFInfo
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- CN203188120U CN203188120U CN 201320035446 CN201320035446U CN203188120U CN 203188120 U CN203188120 U CN 203188120U CN 201320035446 CN201320035446 CN 201320035446 CN 201320035446 U CN201320035446 U CN 201320035446U CN 203188120 U CN203188120 U CN 203188120U
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- web member
- truss
- open slot
- crane
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Abstract
The utility model relates to a main girder structure of a truss type bridge girder erection machine and the trussed type bridge girder erection machine. The main girder structure of the truss type bridge girder erection machine and the trussed type bridge girder erection machine comprise an upper chord, a lower chord, diagonal web members and a transverse connecting rod, wherein the diagonal web members are arranged between the upper chord and the lower chord in a welded mode. The transverse connecting rod is arranged between the upper chord and the lower chord in a welded mode. The main girder structure of the truss type bridge girder erection machine and the trussed type bridge girder erection machine further comprise straight web members. The two ends of the straight web members are connected to the upper chord and the lower chord through detachable connecting pieces. The straight web members are arranged between the two diagonal web members gathering together on each side of the upper chord. The main girder structure of the truss type bridge girder erection machine and the truss type bridge girder erection machine are strong in universality and solve the problem that a bridge girder erection machine in the prior art is poor in universality after being welded as a whole.
Description
Technical field
The utility model relates to bridge formation machine field, relates in particular to a kind of truss-like crane ' s major girder structure and the truss-like bridge formation machine of this truss-like crane ' s major girder structure is set.
Background technology
Truss-like bridge formation machine is the special equipment that builds a bridge, and main beam structure is the main load-supporting part of truss-like bridge formation machine.Truss-like crane ' s major girder structure is made up of two parallel truss main longitudinal griders, connects by crossbeam between two main longitudinal griders.Main longitudinal grider is formed by connecting by the essentially identical girder truss standard knot of more piece, and the girder truss standard knot generally is by being welded into an overall structure after the mutual assembly unit of section bar, can't dismantling, transportation difficulty, equipment transition expense costliness.Key is, the main beam structure of present bridge formation machine all is to design according to the maximum carrying that builds a bridge, when setting up than the low bridge of design load, main beam structure weight is bigger than normal, expend the energy, cause waste, the versatility of the machine of namely building bridge when setting up different bridge is very poor.
The utility model content
The purpose of this utility model is to propose stronger truss-like crane ' s major girder structure and the truss-like bridge formation machine of a kind of versatility, and the bridge formation machine in the prior art of having solved is welded into the problem of whole back versatility difference.
For achieving the above object, the utility model provides following technical scheme:
A kind of truss-like crane ' s major girder structure comprises upper chord, lower chord, diagonal web member and tranverse connecting rod, wherein, and the described diagonal web member of welding between described upper chord and the lower chord, the described tranverse connecting rod of welding between the two described lower chords; It is characterized in that: also comprise straight web member, the two ends of described straight web member connect described upper chord and lower chord by removable connector, and described straight web member is arranged between two described diagonal web members gathering mutually of described each side of upper chord.
Further, described removable connector comprises web member coaming plate and web member shrouding, described web member coaming plate comprises first open slot, second open slot and the 3rd open slot that is connected in regular turn by first junction plate, described web member shrouding is connected the open side of three described open slots, surrounds the insertion groove of the upper end that is respectively applied to insert two diagonal web members of described straight web member and the outside thereof gathering mutually with three described open slots.
Further, described first junction plate is provided with first through hole, offers second through hole corresponding with described first through hole on the described web member shrouding, and described first through hole is connected with described second through hole by bolt.
Further, the top of three described slots has second junction plate, and described second junction plate opening one side towards described open slot after twice vertical bending is extended, and forms the U-shaped groove that is fixed on described upper chord.
Further, the cross section of described web member shrouding is the L type.
Further, described removable connector also comprises two web member back-up blocks, and each described web member back-up block has the 4th open slot, and the opening of two described the 4th open slots is oppositely arranged the insertion groove that surrounds for inserting described straight web member bottom.
Further, the both sides of described the 4th open slot are connected with journal stirrup respectively, offer third through-hole on the described journal stirrup.
Further, the below of described the 4th open slot is provided with inverted U-shaped plate, and described U-shaped plate is engaged on the described lower chord.
Further, described U-shaped plate one side is provided with the gap of inverted L type.
The utility model also provides a kind of truss-like bridge formation machine, and it comprises described truss-like crane ' s major girder structure.
Based on the arbitrary technical scheme in the technique scheme, the utility model embodiment can produce following technique effect at least:
Because truss-like crane ' s major girder structure provided by the utility model is with upper chord, diagonal web member, the common assembly unit of lower chord and tranverse connecting rod is integrally welded, can also utilize removable connector between upper chord and lower chord, to connect straight web member, with existing truss-like crane ' s major girder structure with upper chord, diagonal web member, the common assembly unit of lower chord and tranverse connecting rod is integrally welded and can't dismounting compare, the utility model is when setting up the big bridge of weight, can straight web member be installed by demand, when setting up the little bridge of weight, unnecessary straight web member can be disassembled, thereby reduce the deadweight of crane ' s major girder structure, and then solved the problem of present bridge formation machine versatility difference when setting up different bridge.
In addition, at least also there is following advantage in optimal technical scheme of the present utility model:
1, because the removable connector in the utility model comprises web member coaming plate and web member shrouding, constitute the clad structure that is easy to dismantle by web member coaming plate and web member shrouding, be close on diagonal web member and the straight web member, therefore not only can fix self-position, can also play booster action to diagonal web member and straight web member, improve supporting capacity.
2, because the top of first open slot, second open slot and the 3rd open slot in the utility model has second junction plate, second junction plate side towards open slot after twice vertical bending is extended, formation is fixed on the U-shaped groove of upper chord, this structure not only can stabilize the position of diagonal web member and straight web member upper end, and can also increase rigidity and intensity, be conducive to increase the service life.
3, since in the utility model the below of the 4th open slot of web member back-up block be provided with inverted U-shaped plate, U-shaped plate rides and is engaged on the lower chord, has therefore further guaranteed the positioning action of web member back-up block.
4, because U-shaped plate one side in the utility model is provided with inverted L type gap, therefore when two U-shaped plates connect relatively, L type gap can be engaged on the tranverse connecting rod, fix the web member back-up block jointly with U-shaped plate, the web member back-up block can not be moved in the plane that two lower chords constitute, thereby make the position of web member back-up block further obtain fixing.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of an embodiment of truss-like crane ' s major girder structure provided by the utility model;
Fig. 2 is the local enlarged diagram of regional A among Fig. 1;
Fig. 3 is the local enlarged diagram of regional B among Fig. 1;
Fig. 4 seals the structural representation of plate for web member;
Fig. 5 is the structural representation of web member shrouding;
Fig. 6 is the structural representation of web member back-up block;
Mark among the figure: 1, upper chord; 2, diagonal web member; 3, straight web member; 4, lower chord; 5, web member coaming plate; 6, web member shrouding; 7, web member back-up block; 8, tranverse connecting rod.
The specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
As shown in Figure 1, truss-like crane ' s major girder structure provided by the utility model comprises upper chord 1, diagonal web member 2 and lower chord 4, in the present embodiment, upper chord 1 is one, lower chord 4 is two, and upper chord 1 and lower chord 4 are parallel to each other, and, two lower chords 4 are arranged in both sides, upper chord 1 below symmetrically, are beneficial to the gravity balance of whole crane ' s major girder structure.
Welding diagonal web member 2 between upper chord 1 and the lower chord 4, upper chord 1, lower chord 4 and diagonal web member 2 are welded to each other and are integral, and the head and the tail of two diagonal web members 2 that upper chord 1 each side is adjacent are gathered at one, form " an it " font.And the diagonal web member 2 of upper chord 1 both sides is symmetrically set, and therefore, always has four diagonal web members 2 and gathers, is connected (as the a-quadrant among Fig. 1) on the upper chord 1 mutually.Straight web member 3 is symmetric arrays with respect to the center line of upper chord 1 and lower chord 4." tiltedly " in the diagonal web member of herein mentioning 2 that is to say for upper chord 1 and lower chord 4, and diagonal web member 2 is not 90 degree with respect to the angle of upper chord 1 and lower chord 4.
Truss-like crane ' s major girder structure provided by the utility model is except comprising upper chord 1 described above, diagonal web member 2 and lower chord 4, also comprise straight web member 3, the upper end of straight web member 3 is connected with lower chord 4 with upper chord 1 by removable connector respectively with the bottom.Particularly, straight web member 3 is arranged between two diagonal web members 2 gathering mutually of upper chord 1 each side." directly " in the straight web member of herein mentioning 3 that is to say for upper chord 1 and lower chord 4, and straight web member 3 is 90 degree with respect to the angle of upper chord 1 and lower chord 4.
The utility model utilizes removable connector to connect straight web member 3 between upper chord 1 and lower chord 4, with existing truss-like crane ' s major girder structure that the common assembly unit of upper chord, diagonal web member, lower chord and tranverse connecting rod is integrally welded and can't dismounting compare, the utility model can be according to need of work, carrying out the part strengthens, when setting up the big bridge of weight, at main weight bearing area straight web member 3 is installed; When setting up the little bridge of weight, unnecessary straight web member 3 can be disassembled, use flexibly, easy to loading and unloading, thereby reduced the crane ' s major girder deadweight, improved its ability to work and compliance, and then solved the problem of present bridge formation machine versatility difference when setting up different bridge.
As Fig. 2, Fig. 4, shown in Figure 5, removable connector comprises web member coaming plate 5 and web member shrouding 6, wherein: web member coaming plate 5 comprises first open slot 51, second open slot 52 and the 3rd open slot 53, these three open slots (first open slot 51, second open slot 52 and the 3rd open slot 53) are linked into an integrated entity in regular turn by first junction plate 54, and the opening direction of three open slots is positioned at the same side.
This clad structure that is easy to dismantle that is surrounded by web member coaming plate 5 and web member shrouding 6, it is described insertion groove, be close on diagonal web member 2 and the straight web member 3, not only can fix self-position, can also play booster action to the upper end of diagonal web member 2 and straight web member 3, thereby improve the supporting capacity of crane ' s major girder structural entity.
In above-described embodiment, be respectively arranged with first through hole 55 on each first junction plate 54, correspondingly, also offer second through hole 61 on the web member shrouding 6, first through hole 55 is connected with second through hole 61 by screw bolt and nut, thereby web member coaming plate 5 and web member shrouding 6 are linked together.This connected mode makes the easy to loading and unloading of straight web member 3, uses flexibly, thereby can carry out part and strengthen according to need of work, when setting up the big bridge of weight, at main weight bearing area straight web member 3 is installed; When setting up the little bridge of weight, unnecessary straight web member 3 can be disassembled, and then reduce the crane ' s major girder dead load, improve its conformability.
The top of first open slot 51, second open slot 52 and the 3rd open slot 53 has second junction plate, 56, the second junction plates 56 open side towards open slot after twice vertical bending extends, and forms the U-shaped groove that is fixed on upper chord 1.This kind structure not only can stabilize the position of diagonal web member and straight web member upper end, and can also increase rigidity and intensity.
Can be that casting, forging or integrated through injection molding moulding create between first open slot 51, second open slot 52 and the 3rd open slot 53 and first junction plate 54 and second junction plate 56.
As shown in Figure 5, the cross section of web member shrouding 6 is the L type, increases its rigidity, and in fact, web member shrouding 6 can substitute by the side's of employing plate, but owing to square panel stiffness descends to some extent, so the web member shrouding 6 of L type uses more general in the actual production process.
As Fig. 3, shown in Figure 6, in the various embodiments described above, removable connector can also comprise two web member back-up blocks 7, each web member back-up block 7 has the 4th open slot 71, the opening of two the 4th open slots 71 is oppositely arranged the insertion groove that surrounds for the bottom of inserting straight web member 3, thereby plays the effect of the bottom of strengthening fixing straight web member 3.
The both sides of the 4th open slot 71 are connected with journal stirrup 72 respectively, offer third through-hole 73 on the journal stirrup 72, when two web member back-up blocks 7 are connected one relatively, can utilize bolt to pass third through-hole 73, and use nut check, thereby can form the insertion groove of the bottom of inserting straight web member 3.By bolted fixed form, two web member back-up blocks 7 that link together can be positioned at the axis direction (directions X of Fig. 1) of lower chord 4.
The below of the 4th open slot 71 is provided with inverted U-shaped plate 74, and U-shaped plate 74 rides and is engaged on the lower chord 4.Can offer the through hole (not shown) at U-shaped plate 74 and lower chord 4 contacted positions, thereby can utilize threaded connector that U-shaped plate 74 and lower chord 4 are fixed together, and then can it can not be moved in the plane that two lower chords 4 constitute with two web member back-up blocks 7 linking together positioning with the perpendicular direction of the axis of lower chord 4.
In the various embodiments described above, can be that casting, forging or integrated through injection molding moulding create between the 4th open slot 71, journal stirrup 72 and the U-shaped plate 74.
In the various embodiments described above, truss-like crane ' s major girder structure provided by the utility model also comprises tranverse connecting rod 8, and some tranverse connecting rods 8 are disposed between two lower chords 4 that are parallel to each other, and the two ends of tranverse connecting rod 8 are all perpendicular with lower chord 4.Especially be provided with tranverse connecting rod 8 at diagonal web member 2 with the position that straight web member 3 is connected with lower chord 4, can play effect fixing and reinforcement crane ' s major girder structure like this, improve the crane ' s major girder structure bearing capacity.
Because the position that straight web member 3 is connected with lower chord 4 is provided with tranverse connecting rod 8, therefore a side of U-shaped plate 74 is provided with the gap 75 of inverted L type, when two U-shaped plates 74 connect relatively, L type gap 75 can be engaged on the tranverse connecting rod 8, fix web member back-up block 7 self jointly with U-shaped plate 74, it can not be moved in the plane that two lower chords 4 constitute, thereby make the position of web member back-up block 7 obtain fixing.
Because the technology of the gap 75 of processing L type is comparatively complicated, more general by the mode offering through hole and adopt threaded connector to be connected with lower chord 4 at U-shaped plate 74, at this moment, 74 liang of edge lengths of U-shaped plate can be unequal, this moment, minor face was positioned on the tranverse connecting rod 8, thereby had saved raw material.
When utilizing removable connector that straight web member 3 is installed in truss-like crane ' s major girder structure provided by the utility model, at first with the open slot 51 of web member coaming plate, 53 and the diagonal web member interlock on, be in place, straight web member 3 is inserted into open slot 52, with bolt web member shrouding 6 and web member coaming plate is linked into an integrated entity and fix straight web member 3 upper ends; Back-up block 7 is engaged on the lower chord, and straight web member inserts open slot 71, with bolt back-up block 7 is linked into an integrated entity, and finishes installation.Unloading process is reversed above-mentioned installation work program.
The utility model also provides a kind of truss-like bridge formation machine, and it comprises the truss-like crane ' s major girder structure in the various embodiments described above.The other parts of described bridge formation machine can be with reference to prior art, and this paper no longer launches to describe.After the bridge formation machine adopts truss-like crane ' s major girder structure provided by the utility model, when setting up the big bridge of weight, can straight web member be installed by demand, when setting up the little bridge of weight, unnecessary straight web member can be disassembled, thereby reduce the deadweight of bridge formation machine itself, and then make the versatility of bridge formation machine provided by the utility model stronger.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (10)
1. a truss-like crane ' s major girder structure comprises upper chord, lower chord, diagonal web member and tranverse connecting rod, wherein, and the described diagonal web member of welding between described upper chord and the lower chord, the described tranverse connecting rod of welding between the two described lower chords; It is characterized in that: also comprise straight web member, the two ends of described straight web member connect described upper chord and lower chord by removable connector, and described straight web member is arranged between two described diagonal web members gathering mutually of described each side of upper chord.
2. truss-like crane ' s major girder structure as claimed in claim 1, it is characterized in that: described removable connector comprises web member coaming plate and web member shrouding, described web member coaming plate comprises first open slot, second open slot and the 3rd open slot that is connected in regular turn by first junction plate, described web member shrouding is connected the open side of three described open slots, surrounds the insertion groove of the upper end that is respectively applied to insert two diagonal web members of described straight web member and the outside thereof gathering mutually with three described open slots.
3. truss-like crane ' s major girder structure as claimed in claim 2, it is characterized in that: described first junction plate is provided with first through hole, offer second through hole corresponding with described first through hole on the described web member shrouding, described first through hole is connected with described second through hole by bolt.
4. truss-like crane ' s major girder structure as claimed in claim 3, it is characterized in that: the top of described first open slot, second open slot and the 3rd open slot has second junction plate, described second junction plate opening one side towards described open slot after twice vertical bending is extended, and forms the U-shaped groove that is fixed on described upper chord.
5. truss-like crane ' s major girder structure as claimed in claim 4, it is characterized in that: the cross section of described web member shrouding is the L type.
6. as each described truss-like crane ' s major girder structure among the claim 1-5, it is characterized in that: described removable connector also comprises two web member back-up blocks, each described web member back-up block has the 4th open slot, and the opening of two described the 4th open slots is oppositely arranged the insertion groove that surrounds for inserting described straight web member bottom.
7. truss-like crane ' s major girder structure as claimed in claim 6, it is characterized in that: the both sides of described the 4th open slot are connected with journal stirrup respectively, offer third through-hole on the described journal stirrup.
8. truss-like crane ' s major girder structure as claimed in claim 7, it is characterized in that: the below of described the 4th open slot is provided with inverted U-shaped plate, and described U-shaped plate is engaged on the described lower chord.
9. truss-like crane ' s major girder structure as claimed in claim 8, it is characterized in that: described U-shaped plate one side is provided with the gap of inverted L type.
10. truss-like bridge formation machine is characterized in that: comprise as truss-like crane ' s major girder structure as described in each among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320035446 CN203188120U (en) | 2013-01-23 | 2013-01-23 | Main girder structure of truss type bridge girder erection machine and trussed type bridge girder erection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320035446 CN203188120U (en) | 2013-01-23 | 2013-01-23 | Main girder structure of truss type bridge girder erection machine and trussed type bridge girder erection machine |
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| Publication Number | Publication Date |
|---|---|
| CN203188120U true CN203188120U (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320035446 Expired - Fee Related CN203188120U (en) | 2013-01-23 | 2013-01-23 | Main girder structure of truss type bridge girder erection machine and trussed type bridge girder erection machine |
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| CN (1) | CN203188120U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304559A (en) * | 2019-06-24 | 2019-10-08 | 浙江三一装备有限公司 | Truss arm and crane |
| CN112726375A (en) * | 2020-12-25 | 2021-04-30 | 上海建工四建集团有限公司 | Sectional type steel truss bridge and construction method thereof |
| CN112723199A (en) * | 2020-12-25 | 2021-04-30 | 江苏攀登能源科技有限公司 | Cargo boom of tower crane with reinforcing apparatus |
-
2013
- 2013-01-23 CN CN 201320035446 patent/CN203188120U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304559A (en) * | 2019-06-24 | 2019-10-08 | 浙江三一装备有限公司 | Truss arm and crane |
| CN112726375A (en) * | 2020-12-25 | 2021-04-30 | 上海建工四建集团有限公司 | Sectional type steel truss bridge and construction method thereof |
| CN112723199A (en) * | 2020-12-25 | 2021-04-30 | 江苏攀登能源科技有限公司 | Cargo boom of tower crane with reinforcing apparatus |
| CN112726375B (en) * | 2020-12-25 | 2022-08-09 | 上海建工四建集团有限公司 | Sectional type steel truss bridge and construction method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20190123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |