CN205295957U - Device of setting a roof beam in place - Google Patents
Device of setting a roof beam in place Download PDFInfo
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- CN205295957U CN205295957U CN201620050159.9U CN201620050159U CN205295957U CN 205295957 U CN205295957 U CN 205295957U CN 201620050159 U CN201620050159 U CN 201620050159U CN 205295957 U CN205295957 U CN 205295957U
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- gin pole
- bone
- herring
- place
- roof beam
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- 238000010276 construction Methods 0.000 description 12
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- 230000032258 transport Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
The utility model provides a device of setting a roof beam in place, this device of setting a roof beam in place includes: set up respectively on two adjacent piers and the symmetry sets up two move the roof beam device, every moves the roof beam device and includes: the chevron shape gin pole erects the fixed pulley on this chevron shape gin pole, still includes the hoist engine, the wire rope of hoist engine walks around the fixed pulley, wire rope walks around the one end of fixed pulley is provided with the couple. The beneficial effects of the utility model are that: a space is little, and the suitability is stronger, compares with equipment such as cranes, and the cost is lower that's device of setting a roof beam in place simple structure, and the chevron shape dead man can assemble at the scene, consequently, in the inconvenient area of road, transportation to job site that the chevron shape dead man of dismantlement can be convenient, and when setting a roof beam in place, the chevron shape dead man is installed in the both sides of pier, occupies is provided.
Description
Technical field
The utility model relates to the technical field of road construction, refers more particularly to one and sets a roof beam in place device.
Background technology
Along with the development of road construction, advanced big-and-middle-sized bridge construction mechanical means has played very important effect in bridge construction, but mountain area highway bridge construction is due to seriously affecting by geographical environment and construction environment, big-and-middle-sized mechanical means is such as tower machine, crane etc., the restriction being subject to alpine terrain cannot arrive job site, even if transporting to scene, also may be bigger because of self chassis, cause the space taken bigger, it is difficult to put work to good use, and set a roof beam in place in operation process, because beam sheet span is long, weight is big, the construction machinery of general assembling class is difficult to ensure construction safety and the construction quality of the process of setting a roof beam in place. prior art such as, has a kind of field-installed fishing method (also claiming mast lifting) constructional method, it arranges a secondary gin pole across front top of bridge pier waiting to set a roof beam in place, with flatcar, beam is transported to end of the bridge, hang up properly gin pole hook, starting windlass derrick block group to sling beam front end, flatcar moves forward, and the reach of beam sheet puts in place, fallen beam by gin pole lifting, complete erection. setting a roof beam in place in process above-mentioned, derrick block group mainly plays vertical lifting load-bearing effect, the reach of beam sheet exceed half across time, beam sheet weight is all transferred in derrick block group by flatcar, sharply changes by power, and can bow suddenly undershoot in the front end of beam, there is potential safety hazard.
Practical novel content
The purpose of this utility model is to overcome the deficiencies in the prior art, it provides one is set a roof beam in place device.
The utility model is realized by above technical scheme:
The utility model provides one and sets a roof beam in place device, this device of setting a roof beam in place comprises: be separately positioned on adjacent two bridge pier and symmetrically arranged two Beam shifters, each Beam shifter comprises: herring-bone gin pole, the fixed pulley being erected on this herring-bone gin pole, also comprise windlass, described fixed pulley walked around by the wireline of described windlass, and one end that described fixed pulley walked around by described wireline is provided with hook.
Preferably, described herring-bone gin pole adopts triangle joint component to connect to form by two lattice steel beam column;Waiting to set a roof beam in place, arrange a secondary herring-bone gin pole across rear abutment top be described first gin pole, and to arrange another secondary herring-bone gin pole across front top of bridge pier be described 2nd gin pole waiting to set a roof beam in place.
Preferably, each Beam shifter also comprises earth anchor, and described herring-bone gin pole is fixed on described earth anchor.
Preferably, the cable wind rope for fixing described herring-bone gin pole is also comprised.
Preferably, the flatcar for transporting beam sheet is also comprised.
Preferably, described herring-bone gin pole height is 3-6 times of beam sheet width.
Utilizing the beam erecting method of above-mentioned device of setting a roof beam in place, the method comprises the following steps:
At adjacent two bridge piers, Beam shifter is set;
The extension of two Beam shifters is hooked on same one end of beam sheet;
Wireline trave lling girder sheet is pulled by the windlass of two Beam shifters; And after beam sheet moves setpoint distance, the hook of two Beam shifters is hung in the two ends of beam sheet;
Trave lling girder sheet is continued until the two ends of beam sheet ride on two bridge piers respectively by the windlass of two Beam shifters.
Preferably, the described step arranging Beam shifter at adjacent two bridge piers is specially:
A, bury earth anchor underground:
The assembling of B, herring-bone gin pole: the first gin pole and the 2nd gin pole are separately fixed on earth anchor, and first gin pole and the 2nd gin pole by the lattice steel beam column that section is that 80 �� 80 �� 8 angle steel form, adopt �� 18mm high strength exploitation, gin pole height 12m, herring-bone gin pole top adopts triangle joint component to connect; Two steel gin pole secondary herring-bone gin poles of composition herring-bone composition one;
C, by cable wind rope, herring-bone gin pole is fixed.
Preferably, the described windlass by two Beam shifters pulls wireline trave lling girder sheet; And after beam sheet moves setpoint distance, the hook of two Beam shifters is hung in the two ends of beam sheet; Trave lling girder sheet is continued until the two ends of beam sheet ride over respectively is specially on two bridge piers by the windlass of two Beam shifters:
A starts windlass, tightens up front herring-bone gin pole hook, puts the hook of rear herring-bone gin pole gradually, and the lower slightly head reach of beam sheet is put in place;
B beam sheet establishes cable control fixed beam sheet close to during abutment in beam sheet rear end.
The suspention of c beam sheet is transported beam wooden handcart, after tightening up cable control fixed beam sheet, is loosened the hook of rear herring-bone gin pole, tear hook open after putting in place after wedging, under returning hook to rear herring-bone gin pole;
D moves the hook of rear herring-bone gin pole to beam sheet tail end, and after lifting, herring-bone gin pole hook, transports beam wooden handcart after withdrawing, delay and put rear herring-bone gin-pole truck rope, the slow hook putting rear herring-bone gin pole, before coordinating, herring-bone gin pole hook makes beam sheet in place, is placed on two bridge piers.
The beneficial effects of the utility model are: the utility model arranges two groups of people's word gin poles laying respectively on two adjacent bridge piers, in operation process, two groups, front and back people's word gin pole can be relied on to be fulcrum, according to change in location in beam sheet moving process, strained condition change and the dynamic conditioning point of application thereupon, remain that beam sheet balance level is advanced, utilize the principle of work of " front draw then drag " beam sheet smooth transport to be crossed hole and lay in place. Prior art can be avoided to set a roof beam in place in operation, beam sheet be moved beyond half across time, bow suddenly undershoot in front end, the danger that gin pole increases suddenly by power.
The apparatus structure of setting a roof beam in place that the utility model provides is simple, and herring-bone dead man can assemble at scene, therefore, in the area of road inconvenience, the herring-bone dead man of dismounting can conveniently transport, and when setting a roof beam in place, herring-bone dead man is installed in the both sides of bridge pier, and the space taken is little, and suitability is stronger, compared with the equipment such as crane, cost is lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of the herring-bone gin pole that the utility model provides;
Fig. 2 ~ Fig. 6 is the use reference drawing of the device of setting a roof beam in place that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated. It is to be understood that specific embodiment described herein is only in order to explain the utility model, and it is not used in restriction the utility model.
Referring to shown in Fig. 1, Fig. 2 ~ Fig. 6, Fig. 1 is the structural representation of the herring-bone gin pole that the utility model provides, and Fig. 2 ~ Fig. 6 is the use reference drawing of the device of setting a roof beam in place that the utility model embodiment provides.
The utility model embodiment provides one and sets a roof beam in place device, this device of setting a roof beam in place comprises: be separately positioned on adjacent two bridge pier and symmetrically arranged two Beam shifters, each Beam shifter comprises: herring-bone gin pole 1, the fixed pulley being erected on this herring-bone gin pole 1, also comprise windlass, described fixed pulley walked around by the wireline of described windlass, and one end that described fixed pulley walked around by described wireline is provided with hook 3.
Concrete, as shown in Figure 1, the 2nd gin pole that described herring-bone gin pole 1 comprises the first gin pole and is fixedly connected with described first gin pole, wherein, described first gin pole and the 2nd gin pole one end are fixedly connected with, and described first gin pole and the 2nd gin pole the other end lay respectively at the both sides of bridge pier. In addition, each Beam shifter also comprises earth anchor 4, and described herring-bone gin pole 1 is fixed on described earth anchor 4. The setting of earth anchor 4 can solve the inadequate problem of people's word gin pole self stability, better, in order to improve the stability of herring-bone gin pole 1 further, also comprises the cable wind rope 2 for fixing described herring-bone gin pole 1.
Preferably, in order to conveniently pull beam sheet, it is preferred that this equipment also comprises the wooden handcart 6 for transporting beam sheet.
Preferably, described herring-bone gin pole height is 3-6 times of beam sheet width. For ensureing big safety beam smoothly by bottom, the assembled bottom distance of people's word gin pole two lattice steel beam column according to intending sheet width setting of setting a roof beam in place, can be generally 4-6 rice.
With continued reference to the use reference drawing that Fig. 2 ~ Fig. 6, Fig. 2 ~ Fig. 6 is the device of setting a roof beam in place that the utility model embodiment provides.
The utility model additionally provides a kind of beam erecting method utilizing above-mentioned device of setting a roof beam in place, and the method comprises the following steps:
At adjacent two bridge piers, Beam shifter is set;
The extension of two Beam shifters is hooked on same one end of beam sheet;
Wireline trave lling girder sheet is pulled by the windlass of two Beam shifters; And after beam sheet moves setpoint distance, the hook of two Beam shifters is hung in the two ends of beam sheet;
Trave lling girder sheet is continued until the two ends of beam sheet ride on two bridge piers respectively by the windlass of two Beam shifters.
Preferably, described Beam shifter is set at adjacent two bridge piers it is specially:
A, bury earth anchor underground:
The assembling of B, herring-bone gin pole: the first gin pole and the 2nd gin pole are fixed on earth anchor, and first gin pole and the 2nd gin pole by the lattice steel beam column that section is that 80 �� 80 �� 8 angle steel form, adopt �� 18mm high strength exploitation, gin pole height 12m, two lattice steel beam column tops adopt triangle joint component to connect; The secondary herring-bone gin pole 1 of composition one;
C, by cable wind rope, herring-bone gin pole 1 is fixed.
Preferably, the described windlass by two Beam shifters pulls wireline trave lling girder sheet;And after beam sheet moves setpoint distance, the hook of two Beam shifters is hung in the two ends of beam sheet; Trave lling girder sheet is continued until the two ends of beam sheet ride over respectively is specially on two bridge piers by the windlass of two Beam shifters:
A starts windlass, tightens up front herring-bone gin pole 1 and links up with, puts the hook of rear herring-bone gin pole 1 gradually, and the lower slightly head reach of beam sheet is put in place; (as shown in Figure 2, the front and back in front herring-bone gin pole and rear herring-bone gin pole distinguish with the direction of motion of beam sheet, show example with Fig. 2, and the herring-bone gin pole being positioned at left side is front herring-bone gin pole, and the herring-bone gin pole being positioned at right side is rear herring-bone gin pole)
B beam sheet establishes cable control fixed beam sheet close to during abutment in beam sheet rear end.
The suspention of c beam sheet transports beam wooden handcart after putting in place after wedging, tighten up fine motion after drag-line to beam sheet, loosen the hook of rear herring-bone gin pole, tear hook open, returns hook extremely under rear herring-bone gin pole;
D moves the hook of rear herring-bone gin pole to beam sheet tail end, and after lifting, herring-bone gin pole hook, transports beam wooden handcart after withdrawing, delay and put rear herring-bone gin-pole truck rope, the slow hook putting rear herring-bone gin pole, before coordinating, herring-bone gin pole hook makes beam sheet in place, is placed on two bridge piers.
In order to convenient to the understanding of this scheme, below beam erecting method is described in detail.
The assembling of A, herring-bone gin pole 1: every root gin pole (the first gin pole and the 2nd gin pole) is the lattice steel beam column that 80 �� 80 �� 8 angle steel form by section, adopt �� 18mm high strength exploitation, gin pole height 12m, two secondary herring-bone gin poles of lattice steel beam column composition one, herring-bone gin pole 1 top adopts triangle joint component to connect.
B, bury earth anchor 4 underground: in order to the stability of underwriter's font gin pole 1, bury earth anchor 4 underground, it may also be useful to cable wind rope 2 is firm. Utilizing abutment 7 as the earth anchor of cable wind rope 2, cable wind rope earth anchor adopts the concrete earth anchor burying �� 28 round steel crab-bolt in advance. After the first hole lifts, utilize beam sheet 5 two suspension ring installed as the ground of guy after herring-bone gin pole frame 1 crab-bolt.
The setting of C, rear herring-bone gin pole: the front and back herring-bone gin pole of fixing good front and back cable wind rope 2 is placed into abutment 7 place, first by fixing bottom rear herring-bone gin pole, namely fix with cable wind rope by be about 4m by distance bottom the first gin pole of rear herring-bone gin pole and the 2nd gin pole, by auxiliary gin pole pull-up cable wire, make the top pull-up of rear herring-bone gin pole vertical straight, then adjust to and feed beam position.
Hole and the setting excessively of D, front herring-bone gin pole: the bottom that from the above the 2nd bridge pier, cable wire is fixed on front herring-bone gin pole, strain, adjust cable wire by front herring-bone gin-pole truck on front abutment 7, complete front herring-bone gin pole vertical shift and cross hole, herring-bone gin pole before erectting by the setting method of rear herring-bone gin pole.
E, gin pole traversing: it is mobile that gin pole transverse moving left and right adopts rack-and-pinion screw block jack-up to repeat.
F, lifting vertical shift
A starts windlass, tightens up front herring-bone gin pole hook 3, loosens the hook of rear herring-bone gin pole gradually, and the lower slightly head reach of beam sheet 5 is put in place.
B beam sheet 5 establishes drag-line 8 to control beam sheet close to time abutment 7 (being about 2m apart from design position) in beam sheet 5 rear end.
The suspention of c beam sheet 5 is transported beam wooden handcart 6, is tightened up drag-line 8 fixed beam sheet 5, loosen the hook 3 of rear herring-bone gin pole, tear hook open after putting in place after wedging, under returning hook to rear herring-bone gin pole.
The hook of rear herring-bone gin pole is moved to beam sheet 5 tail end by d, and after lifting, herring-bone gin pole hook, transports beam wooden handcart 6 after withdrawing, and delays and puts rear herring-bone gin-pole truck rope, and slow protection drag-line 8 of putting coordinates front herring-bone gin-pole truck rope to make beam sheet in place, is placed on the traverse beam deck of boat.
G, traversing in place fall beam
The traversing employing of a beam sheet 5 arranges cross moving track on abutment 7 top, tightens up slow movement with jack. Cross moving track is made up of shaped steel lower railway and sliding trolley.
B beam sheet 5 falls after well, supports before and after accomplishing fluently, and checks that whether cross moving track is smooth, tightens up traversing 5 tons of jacks, make beam sheet 5 traversing, it is noted that unification is commanded, and beam sheet 5 two ends front-back staggered must not more than 10mm. Loosening protection jack 10 gradually according to the traversing situation of beam sheet 5 in the traversing process of beam sheet 5, prevent beam sheet 5 rolling, rolling bar adopts �� 40mm round steel, spacing 15��20cm.
C is traversing put in place after, after each side checks that position is correct, accomplish fluently stow-wood and utilize jack to protect, can fall beam with flat jack.
D utilize flat jack fall beam sheet 5 time, the one end that must fall falls the other end, fall good after accomplish fluently diagonal brace and front and back protection jack 10, support can be removed after beam sheet 5 firm welding.
After this hole roof beam structure of e is complete, removes herring-bone gin pole 1 below and carried out hole operation and moved starting next hole beam sheet 5 to front abutment and installing.
H, gin pole shifted pier
After a, herring-bone gin pole installs on heavy wooden handcart, draws cable wire by front herring-bone gin pole volume, moves to front herring-bone gin pole.
Bottom after herring-bone gin pole after b is fixing, the dynamic cable wind rope of volume, makes rear herring-bone gin pole stretch, and strains control rope.
C moves cable wire to from the 2nd bridge pier bottom, the tension cable wire of front herring-bone gin pole above, and limit adjusts cable wire by front herring-bone gin-pole truck on the bridge pier of front.
D, fixing bottom front herring-bone gin pole, by auxiliary gin pole pull-up cable wire, makes the top pull-up of gin pole vertical straight, draw beam control rope (two cable) then vertical shift complete.
It is identical with initial installation preparation work that the installation after pier crossed by e gin pole.
In construction:
Should choose when the most disadvantageous beam-ends hangs flat car for transport of sills 6 and beam 5 hangs to be transported to and respectively main lift rope, gin pole, wind cable carried out Force Calculation when middle.
Erection is first when beam sheet 5, must arrange earth anchor for the cable wind rope 2 of abutment 7 side herring-bone gin pole 1, and the concrete Ji Keng of earth anchor selects suitable local setting according to on-site actual situations, and foundation depth should be not less than 1m, and concrete strength should be not less than C30. And should can carry out beam sheet 5 after earth anchor concrete strength reaches 100% and set up operation.
Owing to herring-bone gin pole 1 must erect on abutment, therefore should establish plank or timber wedge and wedging at position, gin pole pin location pad, it is ensured that bent cap or bearing pad stone concrete are not damaged, and prevent gin pole from producing to slide.
As adopted fishing method of the prior art to construct; its method arranges a secondary people word gin pole across front top of bridge pier waiting to set a roof beam in place; with flatcar, beam is transported to end of the bridge, hangs up properly gin pole hook, start windlass derrick block group and sling beam front end; flatcar moves forward; slowly tightening up derrick block group wireline simultaneously, move with beam sheet and loosen protection drag-line gradually, the reach of beam sheet puts in place; fallen beam by gin pole lifting, complete erection. Setting a roof beam in place in process, derrick block group mainly plays vertical lifting load-bearing effect, moves the folding and unfolding control that beam speed mainly relies on protection drag-line. The reach of beam sheet exceed half across time, beam sheet weight is all transferred in derrick block group by flat car for transport of sills, sharply changes by power, can bow suddenly undershoot in the front end of beam. Due in this constructional method, cannot effectively control the motion of beam sheet, for beam sheet complete after lintel traversing in place for, its displacement amount is big, beam traversing in place time also can only adopt single-ended lifting adjustment mode, must through repeatedly adjust in place fall beam.The traversing activity duration in place is long, and work efficiency is low.
Contrast embodiment of the present utility model and above-mentioned prior art known, the utility model solves power and equilibrium problem in the process of setting a roof beam in place, by structure design and calculating, use the weight capacity of gin pole and the tractive force of front and back windlass, it is achieved that the stable equilibrium of front and back dead man left and right and front and back under various operating mode. Completely eliminate tradition fishing method set a roof beam in place exceed half across time beam front end bow suddenly undershoot, the danger that gin pole increases suddenly by power, ensures construction safety. On the other hand, owing to the utility model can better control the motion of beam sheet, for beam sheet complete after lintel traversing in place for, its displacement amount significantly reduces, and has saved the activity duration, it is to increase work efficiency.
By foregoing description it may be seen that the apparatus structure of setting a roof beam in place of the utility model offer is simple, and herring-bone dead man can be assembled at scene, therefore, in the area of road inconvenience, the herring-bone dead man of dismounting can be transported to scene easily, and when setting a roof beam in place, herring-bone dead man is installed in the both sides of bridge pier, the space taken is little, and suitability is relatively strong, uses under being particularly useful for the construction environment that big-and-middle-sized mechanical means is difficult to put to good use, compared with the big-and-middle-sized mechanical means such as crane, every cost is lower.
These are only better embodiment of the present utility model, not in order to limit the utility model, all any amendment, equivalent replacement and improvement etc. done within spirit of the present utility model and principle, all should be included within protection domain of the present utility model.
Claims (6)
1. a device of setting a roof beam in place, it is characterized in that, comprise: be separately positioned on adjacent two bridge pier and symmetrically arranged two Beam shifters, each Beam shifter comprises: herring-bone gin pole, the fixed pulley being erected on this herring-bone gin pole, also comprising windlass, described fixed pulley walked around by the wireline of described windlass, and one end that described fixed pulley walked around by described wireline is provided with hook.
2. device of setting a roof beam in place according to claim 1, it is characterised in that, described herring-bone gin pole adopts triangle joint component to connect to form by two lattice steel beam column; Waiting to set a roof beam in place, arrange a secondary herring-bone gin pole across rear abutment top be described first gin pole, and to arrange another secondary herring-bone gin pole across front top of bridge pier be described 2nd gin pole waiting to set a roof beam in place.
3. device of setting a roof beam in place according to claim 2, it is characterised in that, each Beam shifter also comprises earth anchor, and described herring-bone gin pole is fixed on described earth anchor.
4. device of setting a roof beam in place according to claim 3, it is characterised in that, also comprise the cable wind rope for fixing described herring-bone gin pole.
5. device of setting a roof beam in place according to claim 3, it is characterised in that, also comprise the flatcar for transporting beam sheet.
6. device of setting a roof beam in place according to claim 3, it is characterised in that, described herring-bone gin pole height is 3-6 times of beam sheet width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620050159.9U CN205295957U (en) | 2016-01-20 | 2016-01-20 | Device of setting a roof beam in place |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620050159.9U CN205295957U (en) | 2016-01-20 | 2016-01-20 | Device of setting a roof beam in place |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205295957U true CN205295957U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620050159.9U Expired - Fee Related CN205295957U (en) | 2016-01-20 | 2016-01-20 | Device of setting a roof beam in place |
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| CN (1) | CN205295957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105568862A (en) * | 2016-01-20 | 2016-05-11 | 湖南省第五工程有限公司 | Girder erecting device and girder erecting method |
-
2016
- 2016-01-20 CN CN201620050159.9U patent/CN205295957U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105568862A (en) * | 2016-01-20 | 2016-05-11 | 湖南省第五工程有限公司 | Girder erecting device and girder erecting method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 |