CN110607763A - Bridge girder erection machine supporting leg for longitudinal slope girder erection and supporting leg adjusting method thereof - Google Patents
Bridge girder erection machine supporting leg for longitudinal slope girder erection and supporting leg adjusting method thereof Download PDFInfo
- Publication number
- CN110607763A CN110607763A CN201910993999.7A CN201910993999A CN110607763A CN 110607763 A CN110607763 A CN 110607763A CN 201910993999 A CN201910993999 A CN 201910993999A CN 110607763 A CN110607763 A CN 110607763A
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- supporting leg
- leg
- bridging
- lifting mechanism
- bridge girder
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- 238000000034 method Methods 0.000 title abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000003028 elevating effect Effects 0.000 abstract 1
- 230000001174 ascending effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a bridge girder erection machine supporting leg for longitudinal slope girder erection and a supporting leg adjusting method thereof, which are used for solving the problems that in the use process of the existing bridge girder erection machine supporting leg, many actions are finished manually, the safety is low, too much time is consumed for lifting the supporting leg, and the safety of operators is influenced; comprises a first leg and a second leg; the bottom end of the first supporting leg is sleeved at the top end of the second supporting leg; a lifting mechanism is arranged between the second supporting leg and the first supporting leg; the lifting mechanism is arranged in the second support leg, the bottom end of the lifting mechanism is arranged in the second support leg through the support, and the first support leg is lifted to the level of the bridge girder, so that the lifting is automatically finished without manual assistance; the efficacy is improved, and the safety of personnel is also improved; the process that the bridge girder of putting up the bridge rises to the horizontality is that elevating system provides power, does not have external force to influence the bridging machine, and the bridging machine atress has balanced like this, and its stability has just also increased.
Description
Technical Field
The invention relates to a bridge girder erection machine supporting leg, in particular to a bridge girder erection machine supporting leg for longitudinal slope girder erection and a supporting leg adjusting mode thereof.
Background
In the railway and highway bridge erecting industry, a manufactured bridge is erected on a pier through the transmission of a bridge erecting machine; due to the influence of various factors such as geographic environment, terrain, landform and the like, a railway and a highway can ascend or descend (namely a slope, the industry is called as longitudinal wave, and the ascending or descending is generally called as longitudinal slope), in order to erect a bridge on the longitudinal slope, a supporting leg is lifted at the lower end of the longitudinal slope, and an object (the industry is called as a pier) with a corresponding height is filled below the supporting leg, so that a main bridge of the bridge erection can be in a horizontal state, the level of the bridge is ensured when the bridge erection machine feeds or falls the bridge, and the safety of the bridge erection is ensured.
In the scheme, the supporting leg at the lower end of the longitudinal slope is lifted, the stacking pier with the corresponding height is arranged below the supporting leg in a cushioning mode, in the process, the supporting leg is lifted through external force assistance, the stacking pier is manually placed below the corresponding supporting leg, and then the supporting leg falls back on the stacking pier. The process takes about 3 hours and is long; the lifting of the supporting legs is assisted by external force, and the stress of the supporting legs is unbalanced; and many actions are completed manually, and the safety is low. Therefore, the stress balance in the lifting process of the supporting leg is ensured, the problem that the time consumption for lifting the supporting leg is too much, the safety of an operator is influenced and the like is absolutely required to be solved in the bridge girder erection machine industry is solved.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a bridge girder erection machine support leg for longitudinal slope girder erection and a support leg adjusting method thereof, which are used for solving the problems that in the use process of the existing bridge girder erection machine support leg, many actions are finished manually, the safety is low, too much time is consumed for lifting the support leg, and the safety of operators is influenced;
the purpose of the invention can be realized by the following technical scheme: a bridge girder erection machine supporting leg for longitudinal slope girder erection and a supporting leg adjusting mode thereof comprise a first supporting leg and a second supporting leg; the bottom end of the first supporting leg is sleeved on the top end of the second supporting leg; a lifting mechanism is arranged between the second supporting leg and the first supporting leg; the lifting mechanism is arranged in the second supporting leg, the bottom end of the lifting mechanism is arranged in the second supporting leg through a support, and the top end of the lifting mechanism is fixedly connected with the upper part of the middle part in the first supporting leg through a fixed seat;
the bottom end of the second supporting leg is arranged on the upper end surface of the travelling mechanism through a flange; one side of the first support leg is fixedly connected with a bracket through a cross rod and a bolt, a slot corresponding to the bridging girder is arranged in the bracket, one end of the bridging girder penetrates through the slot, and a height detection device is arranged between the first support leg and the second support leg;
as a further scheme of the invention: the height detection device comprises a vertical rod, a rectangular groove, a movable rod, scales, a fixed block and a fastening bolt; the vertical rod is fixed on the side wall of the second support leg through welding, a rectangular groove is formed in the vertical rod, the bottom end of the moving rod is inserted into the rectangular groove, scales are symmetrically formed in two sides of the rectangular groove, the top end of the moving rod is fixed in the fixing block through a fastening bolt, and the fixing block is fixed at the bottom end of the side wall of the first support leg through welding;
as a further scheme of the invention: the walking mechanism comprises a sliding block, a sliding chute, a sliding rail and a sliding rail mounting base; the upper end face of the slide rail mounting base is welded with a slide rail, the bottom of the slide block is provided with a slide groove matched with the slide rail for use, the slide block is clamped on the slide rail through the slide groove, and the upper end face of the slide block is fixedly connected with the bottom end face of the flange through a bolt;
as a further scheme of the invention: a shell is embedded in the side wall of the bracket, a smooth pipeline is arranged in the shell, a smooth steel ball is placed in the smooth pipeline, and a luminous indicating label is pasted in the middle of the shell;
as a further scheme of the invention: the lifting mechanism is an oil cylinder or a screw rod lifter;
as a further scheme of the invention: the adjusting mode of the supporting leg comprises the following steps:
s1: starting the lifting mechanism, pushing the first support leg to rise upwards by the lifting mechanism, and enabling the bracket to rise together with the first support leg;
s2: the bridge girder ascends along with the bracket; the ascending height of the bridge girder is suitable for the corresponding longitudinal wave inclination, and the bridge girder is lifted to the level;
s3: detecting the height of the main beam of the bridge through a height detection device, and detecting the ascending of the main beam of the bridge to a horizontal state through a shell;
the invention has the beneficial effects that: according to the bridge girder erection machine supporting leg for longitudinal slope girder erection, the lifting mechanism is started to push the first supporting leg to lift upwards, the bracket rises together with the first supporting leg, and the main girder of the bridge girder erection also rises together with the bracket; the lifting height of the first support leg is suitable for the corresponding longitudinal wave inclination, and the first support leg is lifted to the level of the main bridge of the bridge, which is automatically finished without manual assistance; the efficacy is improved, and the safety of personnel is also improved; meanwhile, the first supporting leg is sleeved on the second supporting leg and connected together through the lifting mechanism to form a whole, the lifting mechanism provides power in the process that the bridging girder rises to the horizontal state, and no external force influences the bridge girder erection machine, so that the stress of the bridge girder erection machine is balanced, and the stability of the bridge girder erection machine is increased.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the lifting structure of the support leg of the present invention;
FIG. 2 is a schematic view of the installation of the height sensing device of the present invention;
FIG. 3 is a schematic structural diagram of the traveling mechanism of the present invention;
FIG. 4 is a schematic view of the housing construction of the present invention;
fig. 5 is a schematic diagram of the leg structure before lifting.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention relates to a support leg of a bridge girder erection machine for erecting a longitudinal slope and a support leg adjusting method thereof, comprising a first support leg 1 and a second support leg 2; the bottom end of the first supporting leg 1 is sleeved on the top end of the second supporting leg 2; a lifting mechanism 3 is arranged between the second supporting leg 2 and the first supporting leg 1; the lifting mechanism 3 is arranged in the second supporting leg 2, the bottom end of the lifting mechanism 3 is arranged in the second supporting leg 2 through a support 4, and the top end of the lifting mechanism 3 is fixedly connected with the upper part of the middle part in the first supporting leg 1 through a fixed seat 5;
the bottom end of the second supporting leg 2 is arranged on the upper end surface of the travelling mechanism 8 through a flange; one side of the first support leg 1 is fixedly connected with a bracket 6 through a cross rod and a bolt, a slot corresponding to the bridging girder 7 is arranged inside the bracket 6, one end of the bridging girder 7 penetrates through the slot, and a height detection device 9 is arranged between the first support leg 1 and the second support leg 2;
the height detection device 9 comprises a vertical rod 91, a rectangular groove 92, a moving rod 93, scales 94, a fixing block 95 and a fastening bolt 96; the vertical rod 91 is fixed on the side wall of the second support leg 2 through welding, a rectangular groove 92 is formed in the vertical rod 91, the bottom end of a moving rod 93 is inserted into the rectangular groove 92, scales 94 are symmetrically formed in two sides of the rectangular groove 92, the top end of the moving rod 93 is fixed in a fixed block 95 through a fastening bolt 96, and the fixed block 95 is fixed at the bottom end of the side wall of the first support leg 1 through welding; when the first support leg 1 rises upwards, the moving rod 93 is driven to move upwards, and the distance of the first support leg 1 moving upwards is obtained by judging the bottom end of the moving rod 93 and the scale 94, so that the moving distance of the bridge girder 7 is obtained;
the traveling mechanism 8 comprises a sliding block 81, a sliding chute 82, a sliding rail 83 and a sliding rail mounting base 84; the upper end face of the sliding rail mounting base 84 is welded with a sliding rail 83, the bottom of the sliding block 81 is provided with a sliding groove 82 matched with the sliding rail 83 for use, the sliding block 81 is clamped on the sliding rail 83 through the sliding groove 82, and the upper end face of the sliding block 81 is fixedly connected with the bottom end face of the flange through a bolt;
a shell 61 is embedded in the side wall of the bracket 6, a smooth pipeline 62 is arranged in the shell 61, a smooth steel ball 63 is placed in the smooth pipeline 62, and a luminous indicating label 64 is pasted in the middle of the shell 61; the smooth steel ball 63 slides in the smooth pipeline 62, and the center of the smooth steel ball 63 is positioned at the position of the noctilucent indicator label 64, so that the level of the bracket 6 is judged, and then the level of the bridge girder 7 is judged;
s1: starting the lifting mechanism 3, wherein the lifting mechanism 3 pushes the first supporting leg 1 to rise upwards, and the bracket 6 rises together with the first supporting leg 1;
s2: the bridge girder 7 ascends along with the bracket 6; the ascending height of the bridge girder is suitable for the corresponding longitudinal wave inclination, and the bridge girder 7 is lifted to the level;
s3: the height of the bridging girder 7 is detected through the height detection device 9, and the bridging girder 7 is detected to rise to a horizontal state through the shell;
the first supporting leg 1 is of a box-shaped structure and is sleeved outside the second supporting leg 2, the second supporting leg 2 is also of a box-shaped structure,
the lower end of the second supporting leg 2 is connected with the traveling mechanism 8 through a flange, and the flange at the lower end of the second supporting leg 2 increases the supporting area of the second supporting leg 2; a lifting mechanism 3 is arranged between the first supporting leg 1 and the second supporting leg 2, and the lifting mechanism 3 can be an oil cylinder or a screw rod lifter or other extending and lodging pushing actuating mechanisms; the lifting mechanism 3 is connected with the second supporting leg 2 through a support 4 and connected with the first supporting leg 1 through a fixed seat 5; the lifting mechanism 3 is arranged in the box body of the second supporting leg 2 and can also be arranged outside the box body of the first supporting leg 1; the bracket 6 is fixed on the first supporting leg 1, and the bridging girder 7 is loaded in the bracket 6; when in bridging, the bridging girder 7 and the bracket 6 can slide relatively and can also mutually restrict fixed positions; when a bridge is built on a longitudinal wave, the lifting mechanism 3 at the lower end of the longitudinal wave is started to push the first supporting leg 1 to lift upwards, the bracket 6 rises along with the first supporting leg 1, and the bridge girder 7 also rises along with the first supporting leg 1; the ascending height of the bridge girder is suitable for the corresponding longitudinal wave inclination, and the principle of the level of the bridge girder 7 is taken;
the working principle is as follows: the lifting mechanism 3 is started to push the first supporting leg 1 to rise upwards, the bracket 6 rises along with the first supporting leg 1, and the bridging girder 7 also rises along with the first supporting leg 1; the lifting height of the first support leg is suitable for the corresponding longitudinal wave inclination, the first support leg 1 is lifted to the bridge girder 7 and lifted to the horizontal, the whole process only needs about 10 minutes and is automatically completed without manual assistance; the efficacy is improved, and the safety of personnel is also improved; meanwhile, the first supporting leg 1 is sleeved on the second supporting leg 2 and connected together through the lifting mechanism 3 to form a whole, the lifting mechanism 3 provides power in the process that the bridging girder 7 rises to the horizontal state, and no external force influences the bridge girder erection machine, so that the stress of the bridge girder erection machine is balanced, and the stability of the bridge girder erection machine is increased.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (6)
1. A bridge girder erection machine supporting leg for longitudinal slope girder erection comprises a first supporting leg (1) and a second supporting leg (2); the device is characterized in that the bottom end of the first supporting leg (1) is sleeved on the top end of the second supporting leg (2); a lifting mechanism (3) is arranged between the second supporting leg (2) and the first supporting leg (1); the lifting mechanism (3) is arranged in the second supporting leg (2), the bottom end of the lifting mechanism (3) is arranged in the second supporting leg (2) through a support (4), and the top end of the lifting mechanism (3) is fixedly connected with the upper middle part of the inside of the first supporting leg (1) through a fixing seat (5);
the bottom end of the second supporting leg (2) is arranged on the upper end surface of the travelling mechanism (8) through a flange; one side of the first supporting leg (1) is fixedly connected with a bracket (6) through a cross rod and a bolt, a slot corresponding to the bridging girder (7) is formed in the bracket (6), the slot is penetrated through one end of the bridging girder (7), and a height detection device (9) is installed between the first supporting leg (1) and the second supporting leg (2).
2. A bridging machine leg for a longitudinal slope bridging beam according to claim 1, characterized in that the height detection device (9) comprises a vertical rod (91), a rectangular groove (92), a moving rod (93), a scale (94), a fixed block (95) and a fastening bolt (96); montant (91) are through welded fastening on the lateral wall of second landing leg (2), and rectangular channel (92) have been seted up to the inside of montant (91), and the inside of rectangular channel (92) is pegged graft and is had the bottom of carriage release lever (93), and scale (94) have been seted up to the bilateral symmetry of rectangular channel (92), and fastening bolt (96) are passed through on the top of carriage release lever (93) and are fixed in fixed block (95), and fixed block (95) are through the lateral wall bottom of welded fastening in first landing leg (1).
3. A bridging machine leg for a longitudinal slope bridging beam according to claim 1, characterized in that the running gear (8) comprises a slide block (81), a slide groove (82), a slide rail (83) and a slide rail mounting base (84); the upper end face welding of slide rail installation base (84) has slide rail (83), and spout (82) that use with slide rail (83) cooperation are seted up to the bottom of slider (81), and slider (81) pass through spout (82) joint on slide rail (83), and the bottom face fixed connection of bolt and flange is passed through to the upper end face of slider (81).
4. The bridge girder erection machine support leg for the longitudinal slope girder erection according to claim 1, wherein a shell (61) is inlaid in the side wall of the bracket (6), a smooth pipeline (62) is arranged inside the shell (61), a smooth steel ball (63) is placed inside the smooth pipeline (62), and a luminous indication label (64) is pasted in the middle of the shell (61).
5. A bridging machine leg for a longitudinal slope bridging beam according to claim 1, characterized in that the lifting mechanism (3) is a cylinder or screw lift.
6. A bridging machine leg for a longitudinal slope bridging beam as claimed in claim 1, wherein the leg is adjustable by the steps of:
s1: starting the lifting mechanism (3), wherein the lifting mechanism (3) pushes the first supporting leg (1) to rise upwards, and the bracket (6) rises together with the first supporting leg (1);
s2: the bridge girder (7) rises along with the bracket (6); the lifting height of the bridge girder is suitable for the corresponding longitudinal wave inclination, and the bridge girder is lifted to the level by the lifting height of the bridge girder (7);
s3: the height of the bridging girder (7) is detected through the height detection device (9), and the bridging girder (7) is detected to rise to a horizontal state through the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910993999.7A CN110607763A (en) | 2019-10-18 | 2019-10-18 | Bridge girder erection machine supporting leg for longitudinal slope girder erection and supporting leg adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910993999.7A CN110607763A (en) | 2019-10-18 | 2019-10-18 | Bridge girder erection machine supporting leg for longitudinal slope girder erection and supporting leg adjusting method thereof |
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| Publication Number | Publication Date |
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| CN110607763A true CN110607763A (en) | 2019-12-24 |
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| CN201910993999.7A Pending CN110607763A (en) | 2019-10-18 | 2019-10-18 | Bridge girder erection machine supporting leg for longitudinal slope girder erection and supporting leg adjusting method thereof |
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| CN (1) | CN110607763A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101949133A (en) * | 2010-10-08 | 2011-01-19 | 石家庄铁道大学国防交通研究所 | Straddle type bridge girder erection machine |
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| CN205839604U (en) * | 2016-06-02 | 2016-12-28 | 石家庄铁道大学 | A kind of multi-functional rear support leg system of single girder bridge erecting machine |
| CN106592442A (en) * | 2017-01-23 | 2017-04-26 | 中交第二航务工程局有限公司 | Single girder type guide beam-free bridge erection machine, spanning method and low-position tunnel-crossing method thereof |
| CN206656720U (en) * | 2017-04-24 | 2017-11-21 | 中铁十七局集团第三工程有限公司 | A kind of device for detecting Bridge Erector supporting leg perpendicularity |
| CN207121823U (en) * | 2017-06-20 | 2018-03-20 | 武汉通联路桥机械技术有限公司 | A kind of ecad Segmental assembling bridge-erecting machine extensively |
| CN208902105U (en) * | 2018-11-07 | 2019-05-24 | 河北钢铁集团矿业有限公司 | Level measuring rule is used in a kind of installation centering leveling of large scale equipment |
| CN209243591U (en) * | 2018-12-24 | 2019-08-13 | 东北林业大学 | A kind of bridge rotating device with Multipoint support-type flexural pivot turntable structure |
| CN211200101U (en) * | 2019-10-18 | 2020-08-07 | 合肥正浩机械科技有限公司 | Bridge girder erection machine supporting leg for longitudinal slope girder erection |
-
2019
- 2019-10-18 CN CN201910993999.7A patent/CN110607763A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949133A (en) * | 2010-10-08 | 2011-01-19 | 石家庄铁道大学国防交通研究所 | Straddle type bridge girder erection machine |
| CN202688884U (en) * | 2012-07-13 | 2013-01-23 | 徐州徐工铁路装备有限公司 | Back support leg walking support lifting mechanism of highway bridge girder erection machine |
| CN103010949A (en) * | 2012-12-28 | 2013-04-03 | 中铁二十四局集团上海铁建工程有限公司 | Method for traveling and operating portal crane on large-angle slope |
| CN205839604U (en) * | 2016-06-02 | 2016-12-28 | 石家庄铁道大学 | A kind of multi-functional rear support leg system of single girder bridge erecting machine |
| CN106592442A (en) * | 2017-01-23 | 2017-04-26 | 中交第二航务工程局有限公司 | Single girder type guide beam-free bridge erection machine, spanning method and low-position tunnel-crossing method thereof |
| CN206656720U (en) * | 2017-04-24 | 2017-11-21 | 中铁十七局集团第三工程有限公司 | A kind of device for detecting Bridge Erector supporting leg perpendicularity |
| CN207121823U (en) * | 2017-06-20 | 2018-03-20 | 武汉通联路桥机械技术有限公司 | A kind of ecad Segmental assembling bridge-erecting machine extensively |
| CN208902105U (en) * | 2018-11-07 | 2019-05-24 | 河北钢铁集团矿业有限公司 | Level measuring rule is used in a kind of installation centering leveling of large scale equipment |
| CN209243591U (en) * | 2018-12-24 | 2019-08-13 | 东北林业大学 | A kind of bridge rotating device with Multipoint support-type flexural pivot turntable structure |
| CN211200101U (en) * | 2019-10-18 | 2020-08-07 | 合肥正浩机械科技有限公司 | Bridge girder erection machine supporting leg for longitudinal slope girder erection |
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