CN204873492U - Frame bridge crane fortune roof beam dolly - Google Patents

Frame bridge crane fortune roof beam dolly Download PDF

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Publication number
CN204873492U
CN204873492U CN201520659025.2U CN201520659025U CN204873492U CN 204873492 U CN204873492 U CN 204873492U CN 201520659025 U CN201520659025 U CN 201520659025U CN 204873492 U CN204873492 U CN 204873492U
Authority
CN
China
Prior art keywords
dolly
girder
suspension rod
fortune
bridge erector
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.)
Expired - Fee Related
Application number
CN201520659025.2U
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Chinese (zh)
Inventor
付彩廷
王晓红
赵学党
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Zhongyuan Aoqi Industrial Co Ltd
Original Assignee
Henan Zhongyuan Aoqi Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Zhongyuan Aoqi Industrial Co Ltd filed Critical Henan Zhongyuan Aoqi Industrial Co Ltd
Priority to CN201520659025.2U priority Critical patent/CN204873492U/en
Application granted granted Critical
Publication of CN204873492U publication Critical patent/CN204873492U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a frame bridge crane fortune roof beam dolly, it includes the girder, the both ends welding of girder has the end beam, the downside of end beam is provided with hydraulic pressure lift supports, hydraulic pressure lift supports installs the channel and walks the wheel, the up end of girder is provided with hydraulic pressure thrust unit A and hydraulic pressure thrust unit B, hydraulic pressure thrust unit A, B articulates respectively has the trolley frame, the bottom of trolley frame is provided with horizontal walking wheel, the hoist unit is installed on the upper portion of trolley frame, the hoist engine group link has the assembly pulley, the assembly pulley is connected with the jib roof beam, the both ends of jib roof beam are provided with the jib, jib fixedly connected with lifting hook, the utility model discloses effectively has reduced the height and the focus of complete machine, has had reasonable in design, make simple, compact structure, whole highly low, the jack -up performance is good, bearing capacity is strong, fail safe nature can be high, the suitability is strong, work efficiency is high, fall roof beam accuracy, long service life's advantage.

Description

A kind of Bridge Erector fortune beam dolly
Technical field
The utility model belongs to bridge span erecting machine equipment technical field, is specifically related to a kind of Bridge Erector fortune beam dolly.
Background technology
Along with the development of communications and transportation, bridge span erecting machine equipment have also been obtained fast speed development, and Bridge Erector, as erection road bridge and the requisite major mechanical equipment of railway bridge, have also been obtained fast speed development, applies also more and more extensive.Bridge Erector fortune beam dolly is the important component part of Bridge Erector, is also the main load bearing component of Bridge Erector, has very important effect to the crane lifting service of Bridge Erector.The girder of Bridge Erector fortune beam dolly conventional at present generally all adopts crane span structure shape structure, adopt the whole height of the Bridge Erector of this structure dolly relatively high, be unfavorable for the height and the center of gravity that reduce complete machine, make Bridge Erector entirety cross tunnel difficulty, applicability is not strong, inefficiency.Therefore, design is a kind of reasonable in design, manufactures simple, compact conformation, whole height is low, and lifting performance is good, and load-carrying capacity is strong, and safety and reliability are high, applicability is strong, and work efficiency is high, and the Bridge Erector fortune beam dolly of long service life has important researching value and realistic meaning.
Utility model content
The purpose of this utility model is defect in order to overcome prior art and deficiency, provides a kind of reasonable in design, manufactures simple, compact conformation, whole height is low, and lifting performance is good, and load-carrying capacity is strong, and safety and reliability are high, applicability is strong, and work efficiency is high, the Bridge Erector fortune beam dolly of long service life.
The purpose of this utility model is achieved in that a kind of Bridge Erector fortune beam dolly, it comprises girder, the two ends of described girder are welded with end carriage, the downside of described end carriage is provided with hydraulic lifting bracing frame, described hydraulic lifting bracing frame is provided with longitudinal running wheel, the upper surface of described girder is provided with hydraulic pushing device A and hydraulic pushing device B, described hydraulic pushing device A, B is hinged with trolley frame respectively, the bottom of described trolley frame is provided with horizontal running wheel, described trolley frame is by horizontal running wheel and described girder sliding block joint, the top of described trolley frame is provided with elevator unit, described elevator unit is connected with assembly pulley, described assembly pulley is connected with suspension rod beam, the two ends of described suspension rod beam are provided with suspension rod, described suspension rod is fixedly connected with suspension hook.
Described girder is the box beam of U-shaped female structure.
Described hydraulic pushing device A, B are the servo hydraulic oil cylinder with displacement pickup.
The main body of described elevator unit is made up of retarder, electrical motor, broken line reel and sure brake, and high speed shaft and the slow-speed shaft of winch are provided with sure brake.
The upper end of described suspension rod is globosity, for ball pivot is connected and be provided with ball pivot pad between suspension rod with suspension rod beam.
The upper surface of described suspension hook is planar structure, and suspension hook is fixed on the lower end of suspension rod by nut.
Described assembly pulley is made up of 6 pulley sheets.
The beneficial effect that the utility model can reach: main beam design of the present utility model is U-shaped female structure box beam, compact conformation, effectively reduce height and the center of gravity of Bridge Erector entirety, be convenient to Bridge Erector entirety and cross tunnel, make Bridge Erector with a varied topography at some, occur that the workplace in tunnel, bridge opening, many places also can well use; What use hydraulic pushing device to be dolly moves laterally through power, and hydraulic pushing device volume is little, compact conformation, and quality is light, long service life, and regulable control is convenient, laborsaving, easily realizes Automated condtrol and overload protection; Hydraulic pushing device is provided with displacement pickup, accurately can control cross travel amount and the shift position of dolly, be convenient to accurately operate beam operation, realizes accurately falling beam; Lift system comprises two lifting winchs, and high speed shaft and the output shaft of winch are provided with sure brake, ensures the safe and reliable of crane lifting service; The upper end of suspension rod adopts ball pivot to be connected with between suspension rod beam, improves the stress condition of suspension rod, and what improve suspension rod is subject to force intensity; The upper surface of suspension hook is designed to planar structure, adds the Area of bearing of suspension hook, improves the fortune load-carrying capacity thought of beam and lifting performance, the utility model effectively reduces height and the center of gravity of complete machine, has reasonable in design, manufactures simple, compact conformation, whole height is low, and lifting performance is good, load-carrying capacity is strong, safety and reliability are high, and applicability is strong, and work efficiency is high, the beam that falls is accurate, the advantage of long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Bridge Erector fortune of the utility model beam dolly.
In figure: 1, girder, 2, end carriage, 3, hydraulic pushing device A, 4, hydraulic pushing device B, 5, sure brake, 6, electrical motor, 7, broken line reel, 8, retarder, 9, hydraulic lifting bracing frame, 10, longitudinal running wheel, 11, horizontal running wheel, 12, trolley frame, 13, assembly pulley, 14, suspension hook, 15, suspension rod beam, 16, suspension rod.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of Bridge Erector fortune beam dolly, it comprises girder 1, the two ends of described girder 1 are welded with end carriage 2, the downside of described end carriage 2 is provided with hydraulic lifting bracing frame 9, described hydraulic lifting bracing frame 9 is provided with longitudinal running wheel 10, the upper surface of described girder 1 is provided with hydraulic pushing device A3 and hydraulic pushing device B4, described hydraulic pushing device A3, B4 is hinged with trolley frame 12 respectively, the bottom of described trolley frame 12 is provided with horizontal running wheel 11, described trolley frame 12 is by horizontal running wheel 11 and described girder 1 sliding block joint, the top of described trolley frame 12 is provided with elevator unit, described elevator unit is connected with assembly pulley 13, described assembly pulley 13 is connected with suspension rod beam 15, the two ends of described suspension rod beam 15 are provided with suspension rod 16, described suspension rod 16 is fixedly connected with suspension hook 14.
The crane lifting service that a kind of Bridge Erector fortune of the utility model beam dolly is Bridge Erector by 2 elevator units improves propulsive effort, control two winchs simultaneously, electrical motor 6 drives the slow-speed shaft of retarder 8 to rotate, retarder 8 drives the broken line reel 7 be attached thereto to rotate, broken line reel 7 is wound with steel rope and is connected with assembly pulley 13, motor with reciprocating movement 6, suspension hook 14 declines, operation suspension hook 14 firmly tangles bridge, rotate forward electrical motor 6, suspension hook 14 is made to drive bridge to rise, after bridge rises to certain position, start longitudinal running wheel 10 of end carriage 2 lower end, longitudinal running wheel 10 drives girder 1 and bridge longitudinal movement together, by the time after bridge moves to the position above bridge pier, stop longitudinal movement, hydraulic control thrust unit A3, B4, regulate the transverse shifting of trolley frame 12, the adjustment skyborne position of bridge, bridge is accurately put off, work is laid in the lifting completing bridge, have reasonable in design, structure is simple, easy for installation, lifting performance is good, load-carrying capacity is strong, safe and reliable, precision in place is high, applicability is strong, the advantage that work efficiency is high.
Embodiment 2
As shown in Figure 1, a kind of Bridge Erector fortune beam dolly, it comprises girder 1, the two ends of described girder 1 are welded with end carriage 2, the downside of described end carriage 2 is provided with hydraulic lifting bracing frame 9, described hydraulic lifting bracing frame 9 is provided with longitudinal running wheel 10, the upper surface of described girder 1 is provided with hydraulic pushing device A3 and hydraulic pushing device B4, described hydraulic pushing device A3, B4 is hinged with trolley frame 12 respectively, the bottom of described trolley frame 12 is provided with horizontal running wheel 11, described trolley frame 12 is by horizontal running wheel 11 and described girder 1 sliding block joint, the top of described trolley frame 12 is provided with elevator unit, described elevator unit is connected with assembly pulley 13, described assembly pulley 13 is connected with suspension rod beam 15, the two ends of described suspension rod beam 15 are provided with suspension rod 16, described suspension rod 16 is fixedly connected with suspension hook 14.
Described girder 1 is the box beam of U-shaped female structure; Described hydraulic pushing device A3, B4 are the servo hydraulic oil cylinder with displacement pickup; The main body of described elevator unit is made up of retarder 8, electrical motor 6, broken line reel 7 and sure brake 5, and the high speed shaft of winch and slow-speed shaft are provided with sure brake 5; The upper end of described suspension rod 16 is globosity, for ball pivot is connected and be provided with ball pivot pad between suspension rod 16 with suspension rod beam 15; The upper surface of described suspension hook 14 is planar structure, and suspension hook 14 is fixed on the lower end of suspension rod 16 by nut; Described assembly pulley 13 is made up of 6 pulley sheets.
Main beam design of the present utility model is U-shaped female structure box beam, compact conformation, effectively reduces height and the center of gravity of Bridge Erector entirety, is convenient to Bridge Erector entirety and crosses tunnel, make Bridge Erector with a varied topography at some, occur that the workplace in tunnel, bridge opening, many places also can well use; What use hydraulic pushing device to be dolly moves laterally through power, and hydraulic pushing device volume is little, compact conformation, and quality is light, long service life, and regulable control is convenient, laborsaving, easily realizes Automated condtrol and overload protection; Hydraulic pushing device is provided with displacement pickup, accurately can control cross travel amount and the shift position of dolly, be convenient to accurately operate beam operation, realizes accurately falling beam; Lift system comprises two lifting winchs, and high speed shaft and the output shaft of winch are provided with sure brake, ensures the safe and reliable of crane lifting service; Each assembly pulley all has 6 pulley sheets to form, and makes bridge stress equalization in lifting process, avoids bridge stressed distortion aloft, working stability; The upper end of suspension rod adopts ball pivot to be connected with between suspension rod beam, improves the stress condition of suspension rod, and what improve suspension rod is subject to force intensity; The upper surface of suspension hook is designed to planar structure, adds the Area of bearing of suspension hook, improves the fortune load-carrying capacity thought of beam and lifting performance, the utility model effectively reduces height and the center of gravity of complete machine, has reasonable in design, manufactures simple, compact conformation, whole height is low, and lifting performance is good, load-carrying capacity is strong, safety and reliability are high, and applicability is strong, and work efficiency is high, the beam that falls is accurate, the advantage of long service life.

Claims (7)

1. a Bridge Erector fortune beam dolly, it comprises girder, it is characterized in that: the two ends of described girder are welded with end carriage, the downside of described end carriage is provided with hydraulic lifting bracing frame, described hydraulic lifting bracing frame is provided with longitudinal running wheel, the upper surface of described girder is provided with hydraulic pushing device A and hydraulic pushing device B, described hydraulic pushing device A, B is hinged with trolley frame respectively, the bottom of described trolley frame is provided with horizontal running wheel, described trolley frame is by horizontal running wheel and described girder sliding block joint, the top of described trolley frame is provided with elevator unit, described elevator unit is connected with assembly pulley, described assembly pulley is connected with suspension rod beam, the two ends of described suspension rod beam are provided with suspension rod, described suspension rod is fixedly connected with suspension hook.
2. a kind of Bridge Erector fortune beam dolly according to claim 1, is characterized in that: described girder is the box beam of U-shaped female structure.
3. a kind of Bridge Erector fortune beam dolly according to claim 1, is characterized in that: described hydraulic pushing device A, B are the servo hydraulic oil cylinder with displacement pickup.
4. a kind of Bridge Erector fortune beam dolly according to claim 1, it is characterized in that: the main body of described elevator unit is made up of retarder, electrical motor, broken line reel and sure brake, high speed shaft and the slow-speed shaft of winch are provided with sure brake.
5. a kind of Bridge Erector fortune beam dolly according to claim 1, is characterized in that: the upper end of described suspension rod is globosity, for ball pivot is connected and be provided with ball pivot pad between suspension rod with suspension rod beam.
6. a kind of Bridge Erector fortune beam dolly according to claim 1, is characterized in that: the upper surface of described suspension hook is planar structure, and suspension hook is fixed on the lower end of suspension rod by nut.
7. a kind of Bridge Erector fortune beam dolly according to claim 1, is characterized in that: described assembly pulley is made up of 6 pulley sheets.
CN201520659025.2U 2015-08-28 2015-08-28 Frame bridge crane fortune roof beam dolly Expired - Fee Related CN204873492U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520659025.2U CN204873492U (en) 2015-08-28 2015-08-28 Frame bridge crane fortune roof beam dolly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520659025.2U CN204873492U (en) 2015-08-28 2015-08-28 Frame bridge crane fortune roof beam dolly

Publications (1)

Publication Number Publication Date
CN204873492U true CN204873492U (en) 2015-12-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520659025.2U Expired - Fee Related CN204873492U (en) 2015-08-28 2015-08-28 Frame bridge crane fortune roof beam dolly

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110273372A (en) * 2018-03-17 2019-09-24 中铁第五勘察设计院集团有限公司 The method that tunnel entrance is set a roof beam in place

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110273372A (en) * 2018-03-17 2019-09-24 中铁第五勘察设计院集团有限公司 The method that tunnel entrance is set a roof beam in place
CN110273372B (en) * 2018-03-17 2021-06-25 中铁第五勘察设计院集团有限公司 Method for erecting beam at tunnel entrance

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151216

Termination date: 20160828

CF01 Termination of patent right due to non-payment of annual fee