CN204715213U - The stepless adjustable suspender of eccentric case beam - Google Patents
The stepless adjustable suspender of eccentric case beam Download PDFInfo
- Publication number
- CN204715213U CN204715213U CN201520257923.5U CN201520257923U CN204715213U CN 204715213 U CN204715213 U CN 204715213U CN 201520257923 U CN201520257923 U CN 201520257923U CN 204715213 U CN204715213 U CN 204715213U
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- shoulder pole
- pole girder
- pin
- equalizer bar
- block
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Abstract
A kind of stepless adjustable suspender of eccentric case beam, comprise shoulder pole girder and multiple hanger rod component, the upper end of described shoulder pole girder is provided with cross fall adjusting device, described cross fall adjusting device comprises movable pulley component and Assembly of pin, described Assembly of pin places the hinged seat that movable pulley component and described shoulder pole girder are arranged, the both sides of described shoulder pole girder are respectively equipped with stepless regulator and longitudinal oscillation adjusting device, described longitudinal oscillation adjusting device comprises the equalizer bar longitudinally arranged, the upper end of two described hanger rod components is arranged on equalizer bar two ends respectively, lower end is respectively from the lateral downward-extension of shoulder pole girder, described stepless regulator comprise axle cut with scissors in described equalizer bar and can lateral adjustments equalizer bar position move lever apparatus, thus, the utility model structure is simple, and cost is low, and applicability is strong, and safety is high, the eccentric prefabricated case beam that energy handling is dissimilar, and easy construction, increases work efficiency greatly.
Description
Technical field
The utility model relates to the technical field of bridge construction plant equipment, particularly relates to a kind of stepless adjustable suspender of eccentric case beam.
Background technology
In bridge construction, particularly in highway bridge construction, double line box girder application is comparatively general, and in order to reduce the distance between centers of tracks between case beam, the frange plate of Pin beam near side of two casees beams all excises.Case beam is after excision frange plate, and center of gravity is not on horizontal lifting hole(eyelet) group switching centre line.According to traditional shoulder pole girder suspender, can to the lopsidedness not excising frange plate when lifting by crane, cause case torsion beam suspension and additionally produce additional bending moment to hanger rod for hanging appliance, not only affecting the lifting quality of case beam, also make case torsion beam suspension easily crack.Additional bending moment makes that suspension rod is stressed to be become by stretch bending from tension, easily affects safty hoisting operation, simultaneously when falling beam, because the case beam beam that tilts also to be not easy to fall on bridge pier puts in place.
Traditional method: increase counterweight in excision frange plate side, make the comprehensive gravity center of case beam and counterweight on horizontal lifting hole(eyelet) group switching centre line, the held stationary during lifting of guard box beam, but this increase counterweight way, cause the specified lifting amount of Bridge Erector to increase on the one hand, increase device fabrication cost; Often set up a Pin case beam on the other hand all need counterweight to hang on case beam and hang case beam, the hoisting aids equipment of increase, cause construction working quantitative change large, construction period lengthens, and construction cost increases.
At present, adjustable suspender is that fixing hole adjusts apart from artificial mostly, utilizes and increases hanger rod component installation site, and by the installation of hanger rod component in different installation site, ensure that suspender movable pulley component center overlaps with case beam center of gravity, when ensureing to lift by crane, case Liangping is steady.This kind of way is simple and reliable for structure, because physical dimension is restricted, can only adapt to eccentric distance to immobilize the handling of case beam, often hang a Pin case beam just needs, by auxiliary equipment, hanger rod component is moved on to other installation positions simultaneously, have impact on construction speed and cost of setting a roof beam in place.Also small part is had to adopt electronic adjustment and hydraulic pressure adjustment, the method is simple to operate, but need from horn, power power-line or hydraulic oil pipe to be guided on suspender, suspender oscilaltion, power power-line and oil pipe need to move thereupon, design is complicated, and cost is high, there is certain potential safety hazard; On suspender, be provided with power source exactly, cost is high on the one hand for this way, affects suspender whole height on the other hand, reduces lifting range.
For this reason, designer of the present utility model is because above-mentioned defect, and by concentrating on studies and designing, comprehensive experience and the achievement being engaged in related industry for a long time for many years, research and design goes out a kind of stepless adjustable suspender of eccentric case beam, to overcome above-mentioned defect.
Utility model content
The purpose of this utility model is the stepless adjustable suspender providing a kind of eccentric case beam, and its structure is simple, easy to operate, separately need not add power set and other auxiliary equipment, is convenient to the stepless adjustable, widely applicable of eccentric case beam lifting.
For solving the problem, the utility model discloses a kind of stepless adjustable suspender of eccentric case beam, comprising shoulder pole girder and multiple hanger rod component, it is characterized in that:
The upper end of described shoulder pole girder is provided with cross fall adjusting device, and described cross fall adjusting device comprises movable pulley component and Assembly of pin, and described Assembly of pin places the hinged seat that the lower end of movable pulley component and described shoulder pole girder are arranged;
The both sides of described shoulder pole girder are respectively equipped with stepless regulator and longitudinal oscillation adjusting device, described longitudinal oscillation adjusting device comprises the equalizer bar longitudinally arranged, the upper end of two described hanger rod components is arranged on equalizer bar two ends respectively, and lower end is respectively from the lateral downward-extension of shoulder pole girder;
Described stepless regulator comprise axle cut with scissors in described equalizer bar and can lateral adjustments equalizer bar position move lever apparatus.
Wherein: described in move lever apparatus and be made up of driver element, screw mandrel, drive block, free bearing and bearing pin, described free bearing is hinged by the middle part of bearing pin and equalizer bar, described screw mandrel is by bearing pin axle center, its one end connects driver element, and described drive block is non-rotatable to be arranged in bearing pin and to coordinate with screw mandrel and do opposed helical transmission.
Wherein: described in move lever apparatus and also comprise guiding device, described guiding device is made up of gathering sill and slide block, and described gathering sill is horizontally set on shoulder pole girder, and described slide block to be slidably arranged in gathering sill and affixed with free bearing.
Wherein: be also provided with anti-skid device, described anti-skid device comprises check plate, latch, collision block, adjustment plate and block, described collision block is fixed on equalizer bar, described block is fixed on gathering sill, described adjustment plate is arranged between collision block and block, be provided with some pin-and-holes bottom described gathering sill, described check plate is provided with through hole, described latch by run through through hole and wherein a pin-and-hole realize check plate and be connected with gathering sill is dismountable.
Wherein: described hanger rod component is made up of nut, cushion block and suspension rod, described nut is two and is arranged at the upper and lower sides of suspension rod respectively, is positioned at cushion block inside each nut and nut adopts sphere-contact form.
Wherein: described Assembly of pin is made up of semicircular ring clamp, Circular Plate and bearing pin, the two ends of bearing pin are provided with the annular groove arranged for semicircle ring flat-plate, and described annulus clamp to be positioned at outside described semicircle ring flat-plate and to be fixed by multiple securing member.
Wherein: the top of described shoulder pole girder is respectively equipped with anti-oscillation device in the both sides of movable pulley component, described anti-oscillation device comprises sliding bar, handle and guide pipe, guide pipe is hollow tube and lower end is fixed in the upper surface of shoulder pole girder, and the middle part of described guide pipe has an inverted L-shaped hole, described sliding bar is slidably located in guide pipe, and described handle is threaded for dismountable with sliding bar through the inverted L-shaped hole of guide pipe.
Known by said structure, the stepless adjustable suspender of eccentric case beam of the present utility model need not any other power set and other auxiliary equipment, only need rotation hand wheel, rotate by screw mandrel is relative with drive block, the hanger rod component integral slipping driving bearing pin and above free bearing, equalizer bar and be installed on it, slide after putting in place, before suspension rod is connected with case beam, carry out structure pinning by anti-skid device, prevent from hanging and get the relative shoulder pole girder of rear cabinet beam and surprisingly slide, thus realize the stepless adjustable of suspender.Put in place at the case beam beam that falls simultaneously, before suspension rod and case beam depart from, do not allowed by anti-oscillation device movable pulley component is relative with shoulder pole girder to be rotated, prevent shoulder pole girder from tilting, affect suspension rod below and be connected with the quick and convenient of case beam; After case beam is connected with suspension rod, discharged by anti-oscillation device locking function before lifting, allow that movable pulley component is relative with shoulder pole girder rotates, make the horizontal balance of suspender adaptation case beam.Therefore not only structure is simple for stepless adjustable suspender, and cost is low, and applicability is strong, and safety is high, the eccentric prefabricated case beam that energy handling is dissimilar, and easy construction, increases work efficiency greatly.
Detailed content of the present utility model obtains by explanation described later and institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the stepless adjustable suspender front view of the utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the A-A profile of Fig. 2;
Fig. 4 is the B-B profile of Fig. 1;
Fig. 5 be Fig. 1 move lever apparatus view;
Fig. 6 A, 6B are the guiding device views of Fig. 5;
Fig. 7 is the shoulder pole girder device view of Fig. 1;
Fig. 8 is the anti-skid device view of Fig. 1
Fig. 9 is the anti-oscillation device view of Fig. 1;
Figure 10 is the hanger rod component view of Fig. 1;
Figure 11 is the Assembly of pin view of Fig. 1;
Figure 12 is the drive block place partial view of Fig. 5;
Reference numeral:
1. movable pulley component, 2. shoulder pole girder, 3. Assembly of pin, 4. anti-oscillation device, 5. anti-skid device, 6. hanger rod component, 7. equalizer bar, 8. move lever apparatus, 8-1. handwheel, 8-2. bearing spider, 8-3. screw mandrel, 8-4. guiding device, 8-5. drive block, 8-6. free bearing, 8-7 bearing pin, 8-4-1. gathering sill, 8-4-2 slide block, 2-1. hanger, 2-2 casing, 2-3 hinged seat, 5-1. check plate, 5-2. latch, 5-3. collision block, 5-4. adjusts plate, 5-5. block, 4-1. sliding bar, 4-2. handle, 4-3. guide pipe, 6-1. nut, 6-2. cushion block, 6-3 suspension rod, 3-1. annulus clamp, 3-2, semicircle ring flat-plate, 3-3. bearing pin, 3-4. securing member.
Below in conjunction with accompanying drawing, the utility model is elaborated, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus makes more explicit defining to protection domain of the present utility model.
Detailed description of the invention
See Fig. 1-12, show the stepless adjustable suspender of eccentric case beam of the present utility model.
See Fig. 1, the stepless adjustable suspender of described eccentric case beam comprises shoulder pole girder 2 and multiple hanger rod component 6, the upper end of described shoulder pole girder 2 is provided with cross fall adjusting device, both sides are respectively equipped with stepless regulator and longitudinal oscillation adjusting device, wherein, described cross fall adjusting device comprises movable pulley component 1 and Assembly of pin 3, described Assembly of pin 3 places the hinged seat 2-3 that the lower end of movable pulley component 1 and described shoulder pole girder 2 are arranged, to realize the pinned connection of movable pulley component 1 and shoulder pole girder 2, thus by small angle oscillation between movable pulley component 1 and shoulder pole girder 2, adapt to the cross fall of case beam, optionally, see Fig. 2, described movable pulley component 1 can comprise the assembly pulley at the two ends being positioned at Assembly of pin 3 both sides, totally four groups, to provide balanced lifting and cross binding.
Optionally, the top of described shoulder pole girder 2 is respectively equipped with anti-oscillation device 4 in the both sides of movable pulley component 1, as shown in Figure 9, described anti-oscillation device 4 comprises sliding bar 4-1, handle 4-2 and guide pipe 4-3, guide pipe 4-3 is hollow tube and lower end is fixed in the upper surface of shoulder pole girder 2, and the middle part of described guide pipe 4-3 has an inverted L-shaped hole, described sliding bar 4-1 to be located in guide pipe 4-3 and can the upper and lower slippage of guide pipe 4-3 relatively, and the inverted L-shaped hole that described handle 4-2 passes guide pipe 4-3 is connected with sliding bar 4-1 is dismountable by screw thread.
Thus, when zero load, sliding bar 4-1 to be stretched out by handle 4-2 and puts in place by anti-oscillation device 4, withstand on movable pulley component 1 both sides, prevent movable pulley component 1 and shoulder pole girder 2 from producing rotation due to center of gravity Bu center, avoid shoulder pole girder 2 to tilt, to ensure that suspension rod is below installed with facilitating of case beam.
The described longitudinal oscillation adjusting device being positioned at shoulder pole girder 2 both sides all comprises the equalizer bar 7 longitudinally arranging also jackshaft hinge; the upper end of two described hanger rod components 6 is arranged on the vertical hole place at equalizer bar 7 two ends respectively; lower end is from the lateral downward-extension of shoulder pole girder 2; with with treat that frame case beam is connected; described hanger rod component 6 is by equalizer bar 7 jackshaft hinge; realize the longitudinal small angle oscillation of hanger rod component 6, ensure that longitudinally suspension rod is unanimously stressed in pairs, also during the lifting of guard box beam, longitudinal stress is even.
Described stepless regulator comprises and supports described equalizer bar 7 and can move lever apparatus 8 along lateral adjustments equalizer bar 7 position of shoulder pole girder 2, wherein, the described lever apparatus 8 that moves, by threaded rod and nut relative motion, drives connected equalizer bar 7 and above hanger rod component 6 thereof to horizontally slip being fixed in the gathering sill on shoulder pole girder 2.
In a preferred embodiment, as shown in Figure 5, the described lever apparatus 8 that moves is by driver element, bearing spider 8-2, screw mandrel 8-3, guiding device 8-4, drive block 8-5, free bearing 8-6 and bearing pin 8-7 forms, described free bearing 8-6 by bearing pin 8-7 and equalizer bar 7 hinged, described screw mandrel 8-3 is by bearing pin 8-7 axle center, the through bearing spider 8-2 in one end is connected with driver element, optionally, described driver element is handwheel 8-1, those skilled in the art are known, the structure of this driver element can be various, as long as the rotation of screw mandrel can be realized, the utility model does not get rid of electric drive units such as adopting motor yet, also accurate control can be realized, the other end of described screw mandrel 8-3 is axially positioned on another bearing spider.Described drive block 8-5 is non-rotatable to be arranged in bearing pin 8-7 and to coordinate with screw mandrel 8-3 and do opposed helical transmission.Thus, described drive block 8-5 can not be rotated relative to bearing pin 8-7 axle center by the restriction of bearing pin 8-7 structure, optionally, described drive block 8-5 and bearing pin 8-7 has gap diametrically, adapts to bearing pin 8-7 stress deformation, small angle oscillation that screw mandrel 8-3 installation accuracy is brought.
As shown in Figure 6, described guiding device 8-4 adopts dove tail, be made up of gathering sill 8-4-1 and slide block 8-4-2, described gathering sill 8-4-1 is horizontally set on shoulder pole girder 2, it is interior and affixed with free bearing 8-6 that described slide block 8-4-2 is slidably arranged at gathering sill 8-4-1, to lead to free bearing 8-6 and equalizer bar 7 and moving integrally of hanger rod component 6, by threaded rod and nut relative motion, connected equalizer bar 7 and above hanger rod component 6 thereof is driven to horizontally slip being fixed on 8-4-1 in the gathering sill on shoulder pole girder 2.
Wherein, for providing the locking after putting in place of sliding, be also provided with anti-skid device 5, as shown in Figure 8, described anti-skid device 5 comprises check plate 5-1, latch 5-2, collision block 5-3, adjustment plate 5-4 and block 5-5; Described collision block 5-3 is fixed on equalizer bar 7, described block 5-5 is fixed on gathering sill 8-4-1, described adjustment plate 5-4 is arranged between collision block 5-3 and block 5-5, some pin-and-holes are provided with bottom described gathering sill 8-4-1, described check plate 5-1 is provided with through hole, described latch 5-2 by run through through hole and wherein a pin-and-hole realize check plate 5-1 and be connected with gathering sill 8-4-1 is dismountable, wherein, a side of described check plate 5-1 is resisted against slide block 8-4-2.
Thus, after equalizer bar 7 horizontally slips correct position, carry out structure pinning by anti-skid device 5, prevent from occurring that when case beam lifts by crane unexpected factor causes as wind carries screw mandrel slide block mechanism can't lock, avoid case beam generation transverse shifting.
As shown in Figure 7, described shoulder pole girder 2 comprises casing 2-2, and the middle part upper surface of casing 2-2 is fixed in the lower end of described hinged seat 2-3, and the both sides of described casing 2-2 are also provided with hanger 2-1 and lift for interim wire rope, optionally, described casing 2-2 is four web variable cross-section box type structures.
As shown in Figure 10, the preferred embodiment of described hanger rod component 6 can be made up of nut 6-1, cushion block 6-2 and suspension rod 6-3, wherein, the upper and lower side of described suspension rod 6-3 is equipped with trapezoidal external screw thread, described nut 6-1 is two and spiral shell is located at the upper and lower side of suspension rod 6-2 respectively, the inner side of each nut 6-1 is provided with cushion block 6-2, and both adopt sphere-contact form, so that regulate and adapt to various surface.
As shown in figure 11, the preferred embodiment of described Assembly of pin 3 can be made up of annulus clamp 3-1, semicircle ring flat-plate 3-2, bearing pin 3-3 and securing member 3-4, the two ends of bearing pin 3-3 are provided with the annular groove arranged for semicircle ring flat-plate 3-2, and described annulus clamp 3-1 to be positioned at outside described semicircle ring flat-plate 3-2 and to be fixed by multiple securing member 3-4.
As can be seen here, the utility model has the advantage of:
1, structure is simple, and handling are convenient, and need not can realize step-less adjustment with other auxiliary equipment by any power set, realize the lifting of dissimilar eccentric prefabricated case beam, easy construction, increases work efficiency greatly;
2, prevent from hanging the accident after getting slide and tilt, improve security performance;
3, time unloaded, forbid that movable pulley component that suspender center of gravity does not cause on centerline is relative with shoulder pole girder and rotate, facilitate installing of hanger rod component and beam sheet; During heavy duty, allow that movable pulley component is relative with shoulder pole girder rotates, make the horizontal balance of suspender adaptation case beam.Therefore not only structure is simple for stepless adjustable suspender, and cost is low, and applicability is strong, and safety is high.
It is evident that, above description and record be only citing instead of in order to limit disclosure of the present utility model, application or use.Although described in an embodiment and be described in the drawings embodiment, but the utility model do not limit by accompanying drawing example and describe in an embodiment as the optimal mode thought at present to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment of manual and the appended claim fallen into above.
Claims (7)
1. a stepless adjustable suspender for eccentric case beam, comprises shoulder pole girder and multiple hanger rod component, it is characterized in that:
The upper end of described shoulder pole girder is provided with cross fall adjusting device, and described cross fall adjusting device comprises movable pulley component and Assembly of pin, and described Assembly of pin places the hinged seat that the lower end of movable pulley component and described shoulder pole girder are arranged;
The both sides of described shoulder pole girder are respectively equipped with stepless regulator and longitudinal oscillation adjusting device, described longitudinal oscillation adjusting device comprises the equalizer bar longitudinally arranged, the upper end of two described hanger rod components is arranged on equalizer bar two ends respectively, and lower end is respectively from the lateral downward-extension of shoulder pole girder;
Described stepless regulator comprise axle cut with scissors in described equalizer bar and can lateral adjustments equalizer bar position move lever apparatus.
2. stepless adjustable suspender as claimed in claim 1, it is characterized in that: described in move lever apparatus and be made up of driver element, screw mandrel, drive block, free bearing and bearing pin, described free bearing is hinged by the middle part of bearing pin and equalizer bar, described screw mandrel is by bearing pin axle center, its one end connects driver element, and described drive block is non-rotatable to be arranged in bearing pin and to coordinate with screw mandrel and do opposed helical transmission.
3. stepless adjustable suspender as claimed in claim 2, it is characterized in that: described in move lever apparatus and also comprise guiding device, described guiding device is made up of gathering sill and slide block, and described gathering sill is horizontally set on shoulder pole girder, and it is interior and affixed with free bearing that described slide block is slidably arranged at gathering sill.
4. stepless adjustable suspender as claimed in claim 3, it is characterized in that: be also provided with anti-skid device, described anti-skid device comprises check plate, latch, collision block, adjustment plate and block, described collision block is fixed on equalizer bar, described block is fixed on gathering sill, and described adjustment plate is arranged between collision block and block, is provided with some pin-and-holes bottom described gathering sill, described check plate is provided with through hole, described latch by run through through hole and wherein a pin-and-hole realize check plate and be connected with gathering sill is dismountable.
5. as the stepless adjustable suspender as described in arbitrary in claim 1-4, it is characterized in that: described hanger rod component is made up of nut, cushion block and suspension rod, described nut is two and is arranged at the upper and lower sides of suspension rod respectively, is positioned at cushion block inside each nut and nut adopts sphere-contact form.
6. as the stepless adjustable suspender as described in arbitrary in claim 1-4, it is characterized in that: described Assembly of pin is made up of semicircular ring clamp, Circular Plate and bearing pin, the two ends of bearing pin are provided with the annular groove arranged for semicircle ring flat-plate, and described annulus clamp to be positioned at outside described semicircle ring flat-plate and to be fixed by multiple securing member.
7. as the stepless adjustable suspender as described in arbitrary in claim 1-4, it is characterized in that: the top of described shoulder pole girder is respectively equipped with anti-oscillation device in the both sides of movable pulley component, described anti-oscillation device comprises sliding bar, handle and guide pipe, guide pipe is hollow tube and lower end is fixed in the upper surface of shoulder pole girder, and the middle part of described guide pipe has an inverted L-shaped hole, described sliding bar is slidably located in guide pipe, and described handle is threaded for dismountable with sliding bar through the inverted L-shaped hole of guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257923.5U CN204715213U (en) | 2015-04-27 | 2015-04-27 | The stepless adjustable suspender of eccentric case beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257923.5U CN204715213U (en) | 2015-04-27 | 2015-04-27 | The stepless adjustable suspender of eccentric case beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204715213U true CN204715213U (en) | 2015-10-21 |
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ID=54314218
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520257923.5U Expired - Fee Related CN204715213U (en) | 2015-04-27 | 2015-04-27 | The stepless adjustable suspender of eccentric case beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204715213U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960448A (en) * | 2022-06-16 | 2022-08-30 | 常州市市政建设工程集团有限公司 | Hoisting equipment for multi-span steel box girder construction and construction process thereof |
| CN117163817A (en) * | 2023-11-02 | 2023-12-05 | 山西省安装集团股份有限公司 | Precast box girder hoisting device and method |
-
2015
- 2015-04-27 CN CN201520257923.5U patent/CN204715213U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960448A (en) * | 2022-06-16 | 2022-08-30 | 常州市市政建设工程集团有限公司 | Hoisting equipment for multi-span steel box girder construction and construction process thereof |
| CN114960448B (en) * | 2022-06-16 | 2023-09-26 | 常州市市政建设工程集团有限公司 | Hoisting equipment for multi-span steel box girder construction and construction process thereof |
| CN117163817A (en) * | 2023-11-02 | 2023-12-05 | 山西省安装集团股份有限公司 | Precast box girder hoisting device and method |
| CN117163817B (en) * | 2023-11-02 | 2024-01-23 | 山西省安装集团股份有限公司 | Precast box girder hoisting device and method |
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| Date | Code | Title | Description |
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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 |
Granted publication date: 20151021 Termination date: 20180427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |