CN111719439B - Bridge deck crane walking back-buckling device, system and method - Google Patents
Bridge deck crane walking back-buckling device, system and method Download PDFInfo
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- CN111719439B CN111719439B CN202010724740.5A CN202010724740A CN111719439B CN 111719439 B CN111719439 B CN 111719439B CN 202010724740 A CN202010724740 A CN 202010724740A CN 111719439 B CN111719439 B CN 111719439B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention belongs to the technical field of bridge deck crane construction, and particularly relates to a bridge deck crane walking back-buckling device, a bridge deck crane walking back-buckling system and a bridge deck crane walking back-buckling method. The invention relates to a bridge deck crane walking back-buckling device, which comprises a walking guide frame, a system conversion jack, walking wheels, a system conversion frame and a bridge deck crane lower chord member; the walking guide frame is of an inverted U-shaped structure; the two travelling wheels are respectively and fixedly connected to the inner side walls opposite to the bottom end of the travelling guide frame, the lower chord member of the bridge deck crane is horizontally connected to the upper end surface of the travelling guide frame, and the axial line of the lower chord member of the bridge deck crane is vertical to the axial line of the upper surface of the travelling guide frame; the system conversion jack is fixedly connected to the outer side wall of the middle lower part of the walking guide frame and close to the front end of the lower chord of the bridge deck crane; the upper part of the system conversion frame is connected with the upper surface of the output end of the system conversion jack. And two track beams and a walking jack which are arranged in parallel form the high-synchronization and high-safety walking device.
Description
Technical Field
The invention belongs to the technical field of bridge deck crane construction, and particularly relates to a bridge deck crane walking back-buckling device, a bridge deck crane walking back-buckling system and a bridge deck crane walking back-buckling method.
Background
With the continuous development of bridge construction engineering in China, the large-span cable-stayed bridge is more applied, and the upper structure of the cable-stayed bridge adopts a bridge deck crane symmetrical cantilever hoisting construction process, so that the bridge deck crane system conversion can be efficiently and safely completed, the stability of the bridge deck crane in a walking state is ensured, and the problem to be studied and solved is solved.
The existing cable-stayed bridge deck crane has the advantages that only the back buckling device is arranged between the lower chord member and the track beam, and when the bridge deck crane walks, the back buckling device is reversely buckled on the track beam, so that sliding friction is formed between the back buckling device of the bridge deck crane and the track beam. After the bridge deck crane walks in place, the hole site of the rear anchoring cross beam is in matched connection with the hole site of the hanging point of the beam Duan Linshi in a mode that the hand hoist pulls the lower chord member of the bridge deck crane.
In the running process of the bridge deck crane, when the bridge deck crane system is converted in the prior art, the conversion efficiency is low, the operation difficulty is high, and potential safety hazards are easily caused. Because the back-buckling device and the track beam are in sliding friction, the walking work efficiency of the bridge deck crane is reduced, and the abrasion and the safety risk between the components are increased. After the bridge deck crane walks in place, the hole site of the rear anchoring cross beam is in matched connection with the hole site of the hanging point of the beam Duan Linshi through the chain block, and the chain block is required to be installed again, so that the synchronism is low, the matching efficiency is low, and the mechanization degree is low.
Disclosure of Invention
The invention provides a bridge deck crane walking back-buckling device, system and method, and aims to provide a bridge deck crane walking back-buckling device, system and method with strong synchronism, good safety and high walking work efficiency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
A walking back-buckling device of a bridge deck crane comprises a walking guide frame, a system conversion jack, walking wheels, a system conversion frame and a bridge deck crane lower chord; the walking guide frame is of an inverted U-shaped structure; the two travelling wheels are respectively and fixedly connected to opposite inner side walls at the bottom end of the travelling guide frame; the bridge deck crane lower chord member is horizontally connected to the upper end surface of the walking guide frame, and the axial line of the bridge deck crane lower chord member is perpendicular to the axial line of the upper surface of the walking guide frame; the bottom of the system conversion jack is fixedly connected to the outer side wall of the middle lower part of the walking guide frame and close to the front end of the lower chord of the bridge deck crane; the upper part of the system conversion frame is connected to the upper surface of the output end of the system conversion jack.
The walking guide frame comprises a frame main body, a steel base, a first limit and a third limit; the frame main body is of an inverted U-shaped structure; the first limiting level is fixedly connected to the opposite inner side walls of the bottom end of the frame main body; the steel base and the third limit are horizontally and fixedly connected to the right side wall of the frame main body, and the steel base is positioned right below the third limit; the system conversion jack is fixedly connected to the steel base, and the upper part of the system conversion jack is embedded in the third limit; the first limit is fixedly connected with a travelling wheel fixing frame, an axle is arranged on the travelling wheel fixing frame, and the travelling wheel is connected with the travelling wheel fixing frame through the axle.
A rubber pad is arranged between the travelling wheel fixing frame and the first limit.
The stiffening plate is arranged below the first limit and is respectively and vertically connected with the first limit and the frame main body.
The walking wheels adopt walking tank wheels.
The system conversion frame comprises a system conversion frame top plate, two system conversion frame side plates and two second limiting plates; the two system conversion frame side plates are respectively and vertically fixedly connected to two ends of the lower bottom surface of the system conversion frame top plate; the two second limiting parts are respectively and horizontally fixedly connected to the inner side walls of the bottom ends of the two system conversion frame side plates.
The bridge deck crane traveling system at least comprises two sets of bridge deck crane traveling back-buckling devices, two track beams and traveling jacks which are arranged in parallel; the track beam is I-shaped; the travelling wheels on the travelling back-buckling devices of the two sets of bridge deck cranes are respectively contacted with the lower surfaces of flanges of the two track beams; the second limit of the system conversion frame on the two sets of bridge deck crane walking back-buckling devices is respectively arranged at two sides of the web plate of the track beam and below the flange, and a gap is reserved between the second limit and the flange; one end of the walking jack is connected with the front supporting point upright post of the bridge deck crane, and the other end of the walking jack is connected with the track beam reserved hole through the limiting pin shaft.
A walking method of a bridge deck crane walking system comprises the following steps,
Step one: after the bridge deck crane is installed, the travelling wheels on the travelling back-buckling device of the bridge deck crane are embedded on the flanges of the track beams of the bridge deck crane, the second limit on the system conversion frame is arranged on two sides of the flanges of the track beams, and the lower bottom surface of the top plate of the system conversion frame on the system conversion frame is connected with the output end of the system conversion jack;
Step two: connecting the lower chord member of the bridge deck crane with the rear anchoring beam;
step three: starting a system conversion jack;
step four: pulling out the pin shafts of the connecting plates and the temporary hanging points;
step five: oil return is carried out by the system conversion jack, and the system conversion jack force is released;
Step six: starting a travelling jack, and enabling the travelling wheel to displace along the flange of the track beam under the traction of the travelling jack until reaching a preset position;
Step seven: starting a system conversion jack;
Step eight: after the connecting hole of the connecting plate is coaxial with the connecting hole of the temporary hanging point, inserting a pin shaft into the hole;
Step nine: and (3) returning oil by the system conversion jack, and releasing the system conversion jack until the walking guide frame and the system conversion frame are in a non-stressed state, so that the bridge deck crane walks.
The beneficial effects are that:
(1) According to the invention, the bridge deck crane system conversion is conveniently and rapidly completed through the arrangement of the system conversion jack.
(2) According to the invention, through the arrangement of the walking tank wheels and the walking guide frame, the stability of the bridge deck crane in the walking process is increased, and the travelling tank wheels and the walking guide frame have strong synchronism, good safety and higher walking work efficiency.
The foregoing description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood, it can be implemented according to the content of the specification, and the following detailed description of the preferred embodiments of the present invention will be given.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic diagram of the architecture conversion framework of the present invention;
FIG. 4 is a schematic view of the structure of the walking guide frame of the present invention;
Fig. 5 is a schematic view of the connection plate to the rear anchor beam of the present invention.
In the figure: 1-a walking guide frame; 2-system conversion jack; 3-travelling wheels; 4-architecture conversion framework; 5-track beams; 6-a steel base; 7-first limiting; 8-second limit; 9-third limit; 10-a bridge deck crane lower chord; 11-pin shafts; 12-connecting plates; 13-a rear anchor beam; 14-a temporary lifting point; 15-a system conversion frame top plate; 16-a frame body; 17-architecture conversion frame side panels.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-5, a bridge deck crane walking back-buckling device comprises a walking guide frame 1, a system conversion jack 2, walking wheels 3, a system conversion frame 4 and a bridge deck crane lower chord member 10; the walking guide frame 1 is of an inverted U-shaped structure; the two travelling wheels 3 are arranged, and the two travelling wheels 3 are respectively and fixedly connected to the inner side walls opposite to the bottom end of the travelling guide frame 1; the bridge deck crane lower chord member 10 is horizontally connected with the upper end surface of the walking guide frame 1, and the axial line of the bridge deck crane lower chord member 10 is vertical to the axial line of the upper surface of the walking guide frame 1; the bottom of the system conversion jack 2 is fixedly connected to the outer side wall of the middle lower part of the walking guide frame 1 and close to the front end of the bridge deck crane lower chord 10; the upper part of the system conversion frame 4 is connected to the upper surface of the output end of the system conversion jack 2.
When in actual use, after the bridge deck crane is installed, the travelling wheels 3 on the travelling back-buckling device of the bridge deck crane are embedded on the flanges of the track beams 5 of the bridge deck crane, the lower ends of the system conversion frames 4 are arranged on the two sides of the flanges of the track beams 5, and the upper parts of the system conversion frames 4 are connected with the output ends of the system conversion jacks 2; connecting the bridge deck crane lower chord member 10 with the rear anchoring beam 13; after the connection is completed, the system conversion jack 2 is started. The output end of the system conversion jack 2 rises to drive the system conversion frame 4 to move upwards, and the bottom end of the system conversion frame 4 is tightly clamped on two sides of the flange of the track beam 5; due to the action of the system conversion frame 4, the system conversion jack 2 applies downward acting force to drive the bridge deck crane lower chord 10 on the walking guide frame 1 to displace downwards, so as to drive the rear anchoring beam 13 to displace downwards; the force between the rear anchoring cross beam 13 and the beam Duan Linshi lifting point 14 is converted to the walking guide frame 1 and the track beam 5, then the pin shaft 11 of the connecting plate 12 and the temporary lifting point 14 is pulled out, and the connection between the rear anchoring cross beam 13 and the beam Duan Linshi lifting point 14 is released; then releasing the jacking force of the system conversion jack 2 to enable the travelling wheel 3 to be in contact with the lower surface of the upper flange plate of the track beam 5, starting a traction mechanism for traction of the bridge deck crane travelling back-buckling device to travel, and enabling the travelling wheel 3 to displace along the flange of the track beam 5 until reaching a preset position; then the system conversion jack 2 is started again, after the connecting hole of the connecting plate 12 is coaxial with the connecting hole of the temporary lifting point 14, a pin shaft 11 is inserted into the hole, and the force of the rear anchoring cross beam 13 acting on the travelling device 1 and the track beam 5 is converted to the beam Duan Linshi lifting point 14; and returning oil to the system conversion jack 2, and releasing the jacking force of the system conversion jack 2 until the walking guide frame 1 and the system conversion frame 24 are in a non-stressed state, so that the bridge deck crane walks.
According to the technical scheme, the bridge deck crane system conversion can be conveniently and rapidly completed through the arrangement of the system conversion jack 2. The invention increases the stability of the bridge deck crane in the walking process through the arrangement of the walking wheels 3 and the walking guide frame 1, and has strong synchronism, good safety and higher walking work efficiency.
Embodiment two:
Referring to fig. 1,2 and 4, a bridge deck crane walking back-buckling device is shown, based on the first embodiment: the walking guide frame 1 comprises a frame main body 16, a steel base 6, a first limit 7 and a third limit 9; the frame body 16 has an inverted U-shaped structure; the first limit 7 is horizontally and fixedly connected to the inner side walls opposite to the bottom end of the frame main body 16; the steel base 6 and the third limit 9 are horizontally and fixedly connected to the right side wall of the frame main body 16, and the steel base 6 is positioned right below the third limit 9; the system conversion jack 2 is fixedly connected to the steel base 6, and the upper part of the system conversion jack 2 is embedded in the third limit 9; the first limit 7 is fixedly connected with a travelling wheel fixing frame, the travelling wheel fixing frame is provided with a wheel shaft, and the travelling wheel 3 is connected with the travelling wheel fixing frame through the wheel shaft.
Further, a rubber pad is arranged between the travelling wheel fixing frame and the first limit 7.
When the system conversion jack 2 is started, the output end of the system conversion jack 2 rises to drive the system conversion frame 4 to move upwards, and the bottom end of the system conversion frame 4 is tightly clamped on two sides of the flange of the track beam 5; due to the action of the system conversion frame 4, the system conversion jack 2 applies downward acting force to the frame main body 16 through the steel base 6 to drive the bridge floor crane lower chord 10 on the walking guide frame 1 to displace downwards, so as to drive the rear anchoring beam 13 to displace downwards; the force between the rear anchoring cross beam 13 and the beam Duan Linshi lifting point 14 is converted to the running gear 1 and the track beam 5, then the pin 11 of the connecting plate 12 and the temporary lifting point 14 is easily pulled out, and the connection between the rear anchoring cross beam 13 and the beam Duan Linshi lifting point 14 is released.
Through the arrangement of the system conversion jack, the conversion of the bridge deck crane system is conveniently and rapidly completed.
Embodiment III:
Referring to fig. 1 and 2, a bridge deck crane walking back-buckling device is shown, based on the second embodiment: a stiffening plate is arranged below the first limit 7 and is respectively and vertically connected with the first limit 7 and the frame main body 16.
When in actual use, the stiffening plate is arranged, so that the stability and the safety of the first limit 7 are both enhanced.
Embodiment four:
Referring to fig. 2, a bridge deck crane walking back-buckling device is based on the second embodiment: the walking wheel 3 adopts a walking tank wheel.
When in actual use, the travelling wheel 3 adopts the technical scheme of the travelling tank wheel, so that the rolling displacement function can be realized, and the strength is ensured.
The walking tank wheel in this embodiment adopts the prior art.
Fifth embodiment:
Referring to fig. 1 and 3, a bridge deck crane walking back-buckling device is shown, based on the first embodiment: the system conversion frame 4 comprises a system conversion frame top plate 15, two system conversion frame side plates 17 and two second limiting positions 8; the two system conversion frame side plates 17 are respectively and vertically fixedly connected to two ends of the lower bottom surface of the system conversion frame top plate 15; the two second limiting parts 8 are respectively and horizontally fixedly connected to the inner side walls of the bottom ends of the two system conversion frame side plates 17.
In actual use, the lower surface of the system conversion frame top plate 15 is connected to the output end of the system conversion jack 2, and the two second limiting parts 8 are respectively arranged at two sides of the web plate of the track beam 5 and below the flange, and are in clearance with the flange. When the system conversion jack 2 is started, the output end drives the system conversion frame top plate 15 to displace upwards, so that the two second limiting parts 8 are tightly clamped on the flange of the track beam 5, the system conversion jack 2 receives a reaction force on the steel base 6 on the walking guide frame 1, and finally, the rear anchoring cross beam 13 is driven to displace downwards; the force between the rear anchoring cross beam 13 and the beam Duan Linshi lifting point 14 is transferred to the running gear 1 and the track beam 5, and then the pin 11 of the connecting plate 12 and the temporary lifting point 14 is conveniently pulled out.
Example six:
Referring to the walking system of the bridge deck crane shown in fig. 2, the walking system at least comprises two sets of bridge deck crane walking back-buckling devices, two track beams 5 and a walking jack which are arranged in parallel; the track beam 5 is I-shaped; the travelling wheels 3 on the travelling back-buckling devices of the two sets of bridge deck cranes are respectively contacted with the lower surfaces of the flanges of the two track beams 5; the second limit 8 of the system conversion frame 4 on the two sets of bridge deck crane walking back-buckling devices is respectively arranged at two sides of the web plate of the track beam 5 and below the flange, and a gap is reserved between the two limit 8 and the flange; one end of the walking jack is connected with the front supporting point upright post of the bridge deck crane, and the other end of the walking jack is connected with the reserved hole of the track beam 5 through the limiting pin shaft.
When in actual use, when the traveling operation of the bridge crane is needed, the traveling wheels 3 on the traveling back-buckling device of the bridge crane are embedded on the flange of the track beam 5 of the bridge crane, the second limit 8 on the system conversion frame 4 is arranged on the two sides of the flange of the track beam 5, and the lower bottom surface of the system conversion frame top plate 15 on the system conversion frame 4 is connected with the output end of the system conversion jack 2; connecting the bridge deck crane lower chord member 10 with the rear anchoring beam 13; starting the system conversion jack 2, and then pulling out the pin shaft 11 of the connecting plate 12 and the temporary lifting point 14; and (4) returning oil to the system conversion jack 2, and releasing the jacking force of the system conversion jack 2. Starting a travelling jack serving as a travelling traction mechanism, and enabling the travelling wheel 3 to displace along the flange of the track beam 5 under the traction of the travelling jack until reaching a preset position; then, starting the system conversion jack 2, and inserting the pin shaft 11 into the hole after the connecting hole of the connecting plate 12 is coaxial with the connecting hole of the temporary lifting point 14; and returning oil to the system conversion jack 2, and releasing the jacking force of the system conversion jack 2 until the walking guide frame 1 and the system conversion frame 24 are in a non-stressed state, so that the bridge deck crane walks.
Embodiment seven:
A walking method of a bridge deck crane walking system comprises the following steps,
Step one: when the bridge deck crane is installed, the travelling wheels 3 on the travelling back-buckling device of the bridge deck crane are embedded on the flanges of the track beams 5 of the bridge deck crane, the second limit 8 on the system conversion frame 4 is arranged on two sides of the flanges of the track beams 5, and the lower bottom surface of the system conversion frame top plate 15 on the system conversion frame 4 is connected with the output end of the system conversion jack 2;
step two: connecting the bridge deck crane lower chord 10 with a rear anchoring beam 13;
Step three: starting a system conversion jack 2;
step four: pulling out the pin 11 of the connecting plate 12 and the temporary hanging point 14;
Step five: oil return is carried out on the system conversion jack 2, and the jacking force of the system conversion jack 2 is released;
step six: starting a travelling jack, and under the traction of the travelling jack, enabling the travelling wheel 3 to displace along the flange of the track beam 5 until reaching a preset position;
step seven: starting a system conversion jack 2;
Step eight: after the connecting hole of the connecting plate 12 is coaxial with the connecting hole of the temporary hanging point 14, inserting a pin shaft 11 into the hole;
Step nine: and returning oil to the system conversion jack 2, and releasing the jacking force of the system conversion jack 2 until the walking guide frame 1 and the system conversion frame 24 are in a non-stressed state, so that the bridge deck crane walks.
When in actual use, after all the devices to be connected are connected, the system conversion jack 2 is started, the output end of the system conversion jack 2 rises to drive the system conversion frame 4 to displace upwards, and the second limit 8 on the system conversion frame 4 is clamped at two sides of the flange of the track beam 5; due to the action of the system conversion frame 4, the system conversion jack 2 applies downward acting force to the steel base 6 to drive the bridge deck crane lower chord 10 on the walking guide frame 1 to displace downwards, so as to drive the rear anchoring beam 13 to displace downwards; the pin shaft 11 of the connecting plate 12 and the temporary hanging point 14 is conveniently and easily pulled out, so that the connection between the rear anchoring cross beam 13 and the beam Duan Linshi hanging point 14 is released; and then releasing the system to convert the jacking force of the jack 2, so that the walking tank wheel 3 on the walking guide frame 1 is reversely buckled on the flange of the track beam 5 under the influence of the gravity center of the bridge deck crane, and the stress and walking stability of the bridge deck crane after the anchoring constraint is released are ensured. Then, starting a travelling jack to enable the travelling wheel 3 to displace along the flange of the track beam 5 until reaching a preset position; then, the system conversion jack 2 is started again, and after the connecting hole of the connecting plate 12 is coaxial with the connecting hole of the temporary lifting point 14, the pin shaft 11 is inserted into the hole; and then returning oil to the system conversion jack 2, and releasing the jacking force of the system conversion jack 2 until the walking guide frame 1 and the system conversion frame 24 are in a non-stressed state, so that the bridge deck crane walks.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Under the condition of no conflict, the technical features related to the examples can be combined with each other according to actual situations by a person skilled in the art so as to achieve corresponding technical effects, and specific details of the combination situations are not described in detail herein.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
While the invention is susceptible of embodiments in accordance with the preferred embodiments, the invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a bridge floor loop wheel machine walking back-buckling device which characterized in that: the bridge deck crane comprises a walking guide frame (1), a system conversion jack (2), walking wheels (3), a system conversion frame (4) and a bridge deck crane lower chord member (10); the walking guide frame (1) is of an inverted U-shaped structure; two travelling wheels (3) are arranged, and the two travelling wheels (3) are respectively and fixedly connected to the inner side walls opposite to the bottom end of the travelling guide frame (1); the bridge deck crane lower chord member (10) is horizontally connected to the upper end face of the walking guide frame (1), and the axial line of the bridge deck crane lower chord member (10) is perpendicular to the axial line of the upper surface of the walking guide frame (1); the bottom of the system conversion jack (2) is fixedly connected to the outer side wall of the middle lower part of the walking guide frame (1) and close to the front end of the bridge deck crane lower chord member (10); the upper part of the system conversion frame (4) is connected to the upper surface of the output end of the system conversion jack (2);
the walking guide frame (1) comprises a frame main body (16), a steel base (6), a first limit (7) and a third limit (9); the frame main body (16) is of an inverted U-shaped structure; the first limit (7) is horizontally and fixedly connected to the inner side wall opposite to the bottom end of the frame main body (16); the steel base (6) and the third limit (9) are horizontally and fixedly connected to the right side wall of the frame main body (16), and the steel base (6) is positioned right below the third limit (9); the system conversion jack (2) is fixedly connected to the steel base (6), and the upper part of the system conversion jack (2) is embedded in the third limit (9); a travelling wheel fixing frame is fixedly connected to the first limit (7), a wheel shaft is arranged on the travelling wheel fixing frame, and the travelling wheel (3) is connected with the travelling wheel fixing frame through the wheel shaft;
A stiffening plate is arranged below the first limit (7), and is respectively and vertically connected with the first limit (7) and the frame main body (16);
the system conversion frame (4) comprises a system conversion frame top plate (15), two system conversion frame side plates (17) and two second limiting positions (8); the two system conversion frame side plates (17) are respectively and vertically fixedly connected to two ends of the lower bottom surface of the system conversion frame top plate (15); the two second limiting parts (8) are respectively and horizontally fixedly connected to the inner side walls at the bottom ends of the two system conversion frame side plates (17).
2. The deck crane walk back-off device of claim 1, wherein: a rubber pad is arranged between the travelling wheel fixing frame and the first limit (7).
3. The deck crane walk back-off device of claim 1, wherein: the walking wheel (3) adopts a walking tank wheel.
4. The utility model provides a bridge floor loop wheel machine traveling system which characterized in that: at least comprises two sets of bridge deck crane walking back-buckling devices according to any one of claims 1 to 3, and further comprises two track beams (5) and walking jacks which are arranged in parallel; the track beam (5) is I-shaped; the travelling wheels (3) on the travelling back-buckling devices of the two sets of bridge deck cranes are respectively contacted with the lower surfaces of flanges of the two track beams (5); the second limit (8) of the system conversion frame (4) on the two sets of bridge deck crane walking back-buckling devices is respectively arranged at two sides of the web plate of the track beam (5) and below the flange, and a gap is reserved between the two limit and the flange; one end of the walking jack is connected with the front supporting point upright post of the bridge deck crane, and the other end of the walking jack is connected with the reserved hole of the track beam (5) through the limiting pin shaft.
5. A traveling method of a traveling system of a bridge deck crane according to claim 4, comprising the steps of,
Step one: after the bridge deck crane is installed, a travelling wheel (3) on a travelling back-buckling device of the bridge deck crane is embedded on the flange of a track beam (5) of the bridge deck crane, a second limit (8) on a system conversion frame (4) is arranged on two sides of the flange of the track beam (5), and the lower bottom surface of a system conversion frame top plate (15) on the system conversion frame (4) is connected with the output end of a system conversion jack (2);
step two: connecting a bridge deck crane lower chord member (10) with a rear anchoring beam (13);
step three: starting a system conversion jack (2);
step four: pulling out the pin shaft (11) of the connecting plate (12) and the temporary hanging point (14);
step five: oil is returned by the system conversion jack (2), and the jacking force of the system conversion jack (2) is released;
Step six: starting a walking jack, and under the traction of the walking jack, enabling the walking wheel (3) to displace along the flange of the track beam (5) until reaching a preset position;
step seven: starting a system conversion jack (2);
step eight: after the connecting hole of the connecting plate (12) is coaxial with the connecting hole of the temporary hanging point (14), inserting a pin shaft (11) into the hole;
step nine: the system conversion jack (2) returns oil, and the system conversion jack (2) is released until the walking guide frame (1) and the system conversion frame (4) are in a non-stressed state, and the bridge deck crane is finished to walk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010724740.5A CN111719439B (en) | 2020-07-24 | 2020-07-24 | Bridge deck crane walking back-buckling device, system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010724740.5A CN111719439B (en) | 2020-07-24 | 2020-07-24 | Bridge deck crane walking back-buckling device, system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111719439A CN111719439A (en) | 2020-09-29 |
| CN111719439B true CN111719439B (en) | 2024-05-31 |
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| CN202010724740.5A Active CN111719439B (en) | 2020-07-24 | 2020-07-24 | Bridge deck crane walking back-buckling device, system and method |
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| CN112832142B (en) * | 2021-02-03 | 2024-05-31 | 中交二公局第二工程有限公司 | Central double-cable-plane cable-stayed bridge deck hoisting system and method |
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| CN111719439A (en) | 2020-09-29 |
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