CN211171656U - Novel jacking landing leg structure behind bridge girder erection machine - Google Patents
Novel jacking landing leg structure behind bridge girder erection machine Download PDFInfo
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- CN211171656U CN211171656U CN201921973810.XU CN201921973810U CN211171656U CN 211171656 U CN211171656 U CN 211171656U CN 201921973810 U CN201921973810 U CN 201921973810U CN 211171656 U CN211171656 U CN 211171656U
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Abstract
The utility model discloses a novel jack-up landing leg structure behind bridge girder erection machine, including girder, telescopic machanism and support flexible leg, telescopic machanism include hydro-cylinder and hydro-cylinder round pin axle again, support flexible leg and include interior sleeve pipe, outer tube and bearing pin axle, the stiff end and the girder of hydro-cylinder be connected, the lower extreme of hydro-cylinder is provided with interior sleeve pipe, hydro-cylinder round pin axle hole has been seted up to the expansion end tip of hydro-cylinder, and the expansion end of hydro-cylinder inserts in the hydro-cylinder round pin axle hole through hydro-cylinder round pin axle with interior sleeve pipe and be connected, interior sheathed tube lower extreme still is provided with and increases the festival, interior sheathed tube outside cover is equipped with the outer tube, the upper end and the girder lower chord of outer tube are connected. The utility model discloses the supporting effect of the enhancement frame bridge crane back jack-up landing leg that can step forward improves the security performance, and easy operation.
Description
Technical Field
The utility model relates to a bridge erection construction equipment technical field especially relates to a novel top height landing leg structure behind bridge girder erection machine.
Background
With the continuous acceleration of urban construction in China and the continuous improvement of traffic in China, various bridge facilities are continuously constructed, a bridge erecting machine is suitable for transportation, the bridge erecting machine is equipment for placing prefabricated beam pieces on prefabricated piers, and the bridge erecting machine has the main function of lifting the beam pieces, then conveying the beam pieces to the proper positions and putting down the beam pieces, and belongs to the category of cranes.
But along with the continuous progress that china's bridge erect, the requirement to the bridging machine also improves constantly, back top height landing leg is as an important support auxiliary structure of bridging machine, need carry out continuous perfect equally, top height landing leg often exists not good at the supporting effect behind the current bridging machine, the security performance is low, the shortcoming of operation complicacy, consequently, need a novel top height landing leg structure behind the bridging machine now urgently, the supporting effect of top height landing leg behind the reinforcing bridging machine that can step forward, the security performance is improved, and easy operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel top height landing leg structure behind bridge girder erection machine, the supporting effect of top height landing leg behind the enhancement bridge girder erection machine that can step forward improves the security performance, and easy operation.
The utility model adopts the following technical proposal:
a novel jacking leg structure behind bridge girder erection machine, including girder, two sets of telescopic machanism and two sets of support telescopic legs, every telescopic machanism of group all include hydro-cylinder and hydro-cylinder round pin axle, every group supports telescopic legs and all includes interior sleeve pipe, outer tube and bearing pin axle again, the stiff end and the girder of hydro-cylinder be connected, the lower extreme of hydro-cylinder is provided with interior sleeve pipe, the hydro-cylinder round pin axle hole has been seted up to the expansion end tip of hydro-cylinder, and the expansion end of hydro-cylinder inserts through hydro-cylinder round pin axle hole with interior sleeve pipe and is connected, interior sheathed tube lower extreme still is provided with and increases the festival, interior sheathed tube outside cover is equipped with the outer tube, the upper end and the girder lower chord of outer tube are connected, interior sleeve pipe be provided with.
The sleeve pipe include sleeve pipe, base, otic placode and interior sleeve pipe gusset, the lower extreme fixed connection of sheathed tube upper end and base, the upper end of base and the lower extreme fixed connection of otic placode, the one end of interior sleeve pipe gusset and the side fixed connection of otic placode, interior sheathed tube other end and base fixed connection, interior sheathed tube lower extreme still is provided with interior sleeve pipe flange board, interior sleeve pipe lower extreme is connected with the upper end of interior sleeve pipe flange board.
The inner sleeve is connected with the inner sleeve flange plate by a stud bolt.
The upper end of the outer sleeve is also provided with an outer sleeve flange, the upper end of the outer sleeve is fixedly connected with the lower end of the outer sleeve flange, the upper end of the outer sleeve flange is connected with the main beam, the lower end of the outer sleeve flange is also provided with an outer sleeve rib plate, one end of the outer sleeve rib plate is fixedly connected with the outer sleeve flange, and the other end of the outer sleeve rib plate is fixedly connected with the side face of the outer sleeve.
The outer sleeve flange on still seted up the bolt through-hole, the outer sleeve flange is connected through the bolt with the girder, the bolt adopts stud, outer sleeve flange and girder junction still are provided with the clamp plate.
The head end of the bearing pin shaft is also provided with a handle.
Heightening the festival and including first heightening festival and second heightening festival, and first heightening festival and second heightening festival's upper end and lower extreme all are provided with the flange base, the flange base of first heightening festival lower extreme and the flange base bolted connection of second heightening festival upper end.
The flange base and the heightening joint are also provided with reinforcing ribs, one ends of the reinforcing ribs are fixedly connected with the side faces of the heightening joint, and the other ends of the reinforcing ribs are fixedly connected with the flange base.
Compared with the prior art the beneficial effects of the utility model: the utility model discloses under telescopic machanism's effect, when the back jack-up landing leg that needs rises, the expansion end of hydro-cylinder among the telescopic machanism stretches out, and the girder rises, and the outer tube slides along interior sleeve pipe along with it and rises, when the outer tube slides and rises to suitable position, inserts the bearing pin axle in the round pin axle hole of seting up on the interior sleeve pipe, supports fixedly through the bearing pin axle that inserts in the round pin axle hole on the interior sleeve pipe to the outer sleeve pipe; when the supporting leg is lifted up after being needed to descend, the bearing pin shaft inserted into the pin shaft hole formed in the inner sleeve is taken out, then the movable end of the oil cylinder contracts, the outer sleeve descends along the inner sleeve in a sliding mode, when the outer sleeve descends to a proper position in a sliding mode, the bearing pin shaft is inserted into the pin shaft hole formed in the inner sleeve, the outer sleeve is supported and fixed through the bearing pin shaft inserted into the pin shaft on the inner sleeve, the supporting effect of the supporting leg is lifted up after the bridge girder erection machine can be further enhanced, safety performance is improved, and operation is simple.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a right side view of the present invention;
fig. 3 is a front view of the inner sleeve of the present invention;
fig. 4 is a top view of the outer sleeve of the present invention;
fig. 5 is a schematic view of the bearing pin of the present invention.
Detailed Description
The invention is described in detail below with reference to the following figures and examples:
as shown in fig. 1 to 5, a novel rear jacking leg structure of a bridge girder erection machine comprises a main beam 1, two groups of telescopic mechanisms 2 and two groups of supporting telescopic legs 3, each group of telescopic mechanisms 2 comprises an oil cylinder 4 and an oil cylinder pin shaft 5, each group of supporting telescopic legs 3 comprises an inner sleeve 6, an outer sleeve 7 and a bearing pin shaft 8, the fixed end of the oil cylinder 4 is connected with the main beam 1, the lower end of the oil cylinder 4 is provided with an inner sleeve 6, the end part of the movable end of the oil cylinder 4 is provided with an oil cylinder pin shaft hole 9, the movable end of the oil cylinder 4 is connected with the inner sleeve 6 by inserting the oil cylinder pin 5 into the oil cylinder pin shaft hole 9, the lower end of the inner sleeve 6 is also provided with a heightened section 10, used for improving the initial height of the rear jacking leg, an outer sleeve 7 is sleeved outside the inner sleeve 6, the upper end of the outer sleeve 7 is connected with the lower chord of the main beam 1, the inner sleeve 6 is provided with a plurality of pin shaft holes 11 matched with the bearing pin shaft 8 in use along the length direction; when the rear jacking supporting legs are required to ascend, the movable ends of the oil cylinders 4 extend, the main beams 1 ascend, the outer sleeves 7 slide and ascend along the inner sleeves 6, when the outer sleeves 7 slide and ascend to proper positions, the bearing pin shafts 8 are inserted into pin shaft holes 11 formed in the inner sleeves 6, and the outer sleeves 7 are supported and fixed through the bearing pin shafts 8 inserted into the pin shaft holes 11 in the inner sleeves 6; when the rear jacking supporting leg descends, the bearing pin shaft 8 inserted into the pin shaft hole 11 formed in the inner sleeve 6 is taken out, then the movable end of the oil cylinder 4 contracts, the outer sleeve 7 descends along the inner sleeve 6 in a sliding manner, when the outer sleeve 7 descends to a proper position in a sliding manner, the bearing pin shaft 8 is inserted into the pin shaft hole 11 formed in the inner sleeve 6, and the outer sleeve 7 is supported and fixed through the bearing pin shaft 8 inserted into the pin shaft hole 11 in the inner sleeve 6.
Interior sleeve pipe 6 includes sleeve pipe 12, base 13, otic placode 14 and interior sleeve pipe gusset 15, the upper end of sleeve pipe 12 and the lower extreme fixed connection of base 13, the upper end of base 13 and the lower extreme fixed connection of otic placode 14, otic placode 14 is used for being connected with the expansion end of hydro-cylinder 4, and the one end of interior sleeve pipe gusset 15 and the side fixed connection of otic placode 14, the other end and the base 13 fixed connection of interior sleeve pipe 6, interior sleeve pipe gusset 15 have further played the fixed action to otic placode 14 and base 13, the lower extreme of interior sleeve pipe 6 still is provided with interior sleeve pipe flange board 16, and the installation and the dismantlement of being convenient for, the lower extreme of interior sleeve pipe 6 and the upper end of interior sleeve pipe flange.
The inner sleeve 6 is connected with the inner sleeve flange plate 16 by adopting a stud bolt.
The upper end of the outer sleeve 7 is further provided with an outer sleeve flange 17, so that the outer sleeve 7 and the main beam 1 can be conveniently mounted and dismounted, the upper end of the outer sleeve 7 is connected with the lower end of the outer sleeve flange 17, the upper end of the outer sleeve flange 17 is connected with the main beam 1, the lower end of the outer sleeve flange 17 is further provided with an outer sleeve rib plate 18, the outer sleeve rib plate 18 is further fixed on the outer sleeve 7 and the outer sleeve flange 17, one end of the outer sleeve rib plate 18 is fixedly connected with the outer sleeve flange 17, and the other end of the outer sleeve rib plate 18 is fixedly connected.
The outer sleeve flange 17 is further provided with a bolt through hole 25, the outer sleeve flange 17 and the main beam 1 penetrate through the bolt through hole 25 through a stud to be connected, a pressing plate 19 is further arranged at the joint of the outer sleeve flange 17 and the main beam 1, and the outer sleeve 7 and the main beam 1 are further fixed.
The head end of the bearing pin shaft 8 is also provided with a handle 20, so that the bearing pin shaft 8 can be conveniently installed and removed.
A reinforcing rib 24 is further arranged between the flange base 23 and the heightening section 10, one end of the reinforcing rib 24 is fixedly connected with the side face of the heightening section 10, the other end of the reinforcing rib 24 is fixedly connected with the flange base 23, and the flange base 23 and the heightening section 10 are further fixed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel jacking landing leg structure behind bridge girder erection machine which characterized in that: including girder, two sets of telescopic machanism and two sets of support telescopic leg, every telescopic machanism of group all include hydro-cylinder and hydro-cylinder round pin axle, every group supports telescopic leg and all includes interior sleeve pipe, outer tube and bearing pin axle again, the stiff end and the girder of hydro-cylinder be connected, the lower extreme of hydro-cylinder is provided with interior sleeve pipe, hydro-cylinder round pin axle hole has been seted up to the expansion end tip of hydro-cylinder, and the expansion end and the interior sleeve pipe of hydro-cylinder insert the hydro-cylinder round pin axle downthehole through the hydro-cylinder round pin axle and be connected, interior sheathed tube outside cover is equipped with the outer tube, the upper end and the girder lower chord of outer tube are connected, interior sleeve pipe be.
2. The novel rear jacking leg structure of the bridge girder erection machine as claimed in claim 1, wherein: the sleeve pipe include sleeve pipe, base, otic placode and interior sleeve pipe gusset, the lower extreme fixed connection of sheathed tube upper end and base, the upper end of base and the lower extreme fixed connection of otic placode, the one end of interior sleeve pipe gusset and the side fixed connection of otic placode, interior sheathed tube other end and base fixed connection, interior sheathed tube lower extreme still is provided with interior sleeve pipe flange board, interior sleeve pipe lower extreme is connected with the upper end of interior sleeve pipe flange board.
3. The novel rear jacking leg structure of the bridge girder erection machine as claimed in claim 2, wherein: the inner sleeve is connected with the inner sleeve flange plate by a stud bolt.
4. The novel rear jacking leg structure of the bridge girder erection machine as claimed in claim 1, wherein: the upper end of the outer sleeve is also provided with an outer sleeve flange, the upper end of the outer sleeve is fixedly connected with the lower end of the outer sleeve flange, the upper end of the outer sleeve flange is connected with the main beam, the lower end of the outer sleeve flange is also provided with an outer sleeve rib plate, one end of the outer sleeve rib plate is fixedly connected with the outer sleeve, and the other end of the outer sleeve rib plate is fixedly connected with the side face of the outer sleeve.
5. The novel rear jacking leg structure of the bridge girder erection machine as claimed in claim 4, wherein: the outer sleeve flange on still seted up the bolt through-hole, the outer sleeve flange is connected through the bolt with the girder, the bolt adopts stud, outer sleeve flange and girder junction still are provided with the clamp plate.
6. The novel rear jacking leg structure of the bridge girder erection machine as claimed in claim 1, wherein: the head end of the bearing pin shaft is also provided with a handle.
7. The novel rear jacking leg structure of the bridge girder erection machine as claimed in claim 1, wherein: heightening the festival and including first heightening festival and second heightening festival, and first heightening festival and second heightening festival's upper end and lower extreme all are provided with the flange base, the flange base of first heightening festival lower extreme and the flange base bolted connection of second heightening festival upper end.
8. The novel rear jacking leg structure of a bridge girder erection machine according to claim 7, wherein: the flange base and the heightening joint are also provided with reinforcing ribs, one ends of the reinforcing ribs are fixedly connected with the side faces of the heightening joint, and the other ends of the reinforcing ribs are fixedly connected with the flange base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921973810.XU CN211171656U (en) | 2019-11-15 | 2019-11-15 | Novel jacking landing leg structure behind bridge girder erection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921973810.XU CN211171656U (en) | 2019-11-15 | 2019-11-15 | Novel jacking landing leg structure behind bridge girder erection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211171656U true CN211171656U (en) | 2020-08-04 |
Family
ID=71819169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921973810.XU Active CN211171656U (en) | 2019-11-15 | 2019-11-15 | Novel jacking landing leg structure behind bridge girder erection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211171656U (en) |
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2019
- 2019-11-15 CN CN201921973810.XU patent/CN211171656U/en active Active
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Address after: 453000 Shenmu Industrial Zone, Weizhuang Office, Changyuan City, Xinxiang City, Henan Province Patentee after: Henan MCC Crane Group Co.,Ltd. Address before: 453400 Wei Zhuang Zhen Hou Shen Mu Cun, Changyuan County, Xinxiang City, Henan Province Patentee before: HENAN PROVINCE ZHONGYE CRANE Co.,Ltd. |