CN211922312U - Novel structure is laid to landing leg before frame bridge crane - Google Patents
Novel structure is laid to landing leg before frame bridge crane Download PDFInfo
- Publication number
- CN211922312U CN211922312U CN202020052840.3U CN202020052840U CN211922312U CN 211922312 U CN211922312 U CN 211922312U CN 202020052840 U CN202020052840 U CN 202020052840U CN 211922312 U CN211922312 U CN 211922312U
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- sleeper
- plate
- top plate
- bridge girder
- erection machine
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Abstract
The utility model discloses a novel structure is laid to frame bridge crane front leg, including the sleeper, the upper end of sleeper is equipped with a roof, and the left and right sides of ejector pin is cladding after the downwarping the sleeper, is equipped with a plurality of stay bolts between the left and right sides of roof, stay bolt passes the sleeper, be provided with a backing plate above the roof, the left and right sides department of backing plate all is provided with the recess, be provided with two rows of holes about the top of backing plate, the hole vertically runs through the backing plate, is equipped with the montant in the hole, the montant can slide along the axial in hole, welded fastening between the lower extreme of montant and the roof, the part department that the montant exposes in the recess overlaps and is equipped with an adjusting collar, the adjusting collar with the screw is cooperated between the montant; a plurality of supporting legs are connected to the upper end of the top plate in a flange manner; this product can increase and pier between area of contact, promote the bridge stability.
Description
Technical Field
The utility model relates to a novel structure is laid to landing leg before frame bridge crane.
Background
The bridge girder erection machine is equipment for placing prefabricated beam pieces on a prefabricated bridge pier. Bridge girder erection machines belong to the crane category, as their main function is to lift the beam piece up and then transport it into position and put it down.
Bridge cranes are very different from cranes in general. The required conditions are harsh, and the beam piece runs upwards or is called longitudinal movement. The bridge girder erection machine is divided into a highway bridge erection machine, a conventional railway bridge erection machine, a passenger-dedicated railway bridge erection machine and the like.
When the bridge girder erection machine moves, the front supporting leg of the bridge girder erection machine needs to be lifted up, then the front supporting leg of the bridge girder erection machine reaches the next bridge pier and is arranged below the next bridge pier, and then the hanging beam piece is lifted up and erected.
The connection effect between preceding landing leg among the prior art and the pier is relatively poor, leads to the bridge girder erection machine to have the possibility of rocking, has the potential safety hazard.
Based on the problems, the novel layout structure of the front support leg of the bridge girder erection machine is designed, the contact area between the front support leg and a bridge pier can be increased, and the stability of a bridge girder is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a novel landing leg lays structure before the bridge girder erection machine that can increase and pier between area of contact promotes the stability of bridge.
The utility model discloses a realize through following technical scheme:
a novel front support leg layout structure of a bridge girder erection machine comprises a sleeper, wherein a top plate is assembled at the upper end of the sleeper, the left side and the right side of the top plate are downwards bent and then wrap the sleeper, a plurality of long bolts are assembled between the left side and the right side of the top plate and penetrate through the sleeper, a base plate is arranged above the top plate, grooves are formed in the left side and the right side of the base plate, a left row and a right row of holes are formed in the top of the base plate, the holes vertically penetrate through the base plate, vertical rods are assembled in the holes and can slide along the axial directions of the holes, the lower ends of the vertical rods and the top plate are fixedly welded, an adjusting sleeve is sleeved at the part of the vertical rods exposed in the grooves, and screws are matched between the adjusting sleeve and the vertical rods; the upper end flange of the top plate is connected with a plurality of supporting legs, and the supporting leg at the uppermost end is welded with a connecting steel plate for connecting a bridge girder erection machine.
Preferably, a plurality of rib plates are welded between the vertical rod and the top plate.
Preferably, a damping plate made of rubber is laid at the inner top position of the top plate, and the damping plate acts on the sleeper; the setting of shock attenuation board plays the effect of filling mainly, avoids leaving the clearance between roof and the sleeper, and the existence in clearance leads to the crooked rupture of bolt easily.
Preferably, the upper end and the lower end of the adjusting sleeve are respectively provided with a damping washer made of rubber, and the damping washers act between the adjusting sleeve and the groove wall of the groove.
Preferably, a top beam is welded between the tops of the plurality of vertical rods; the upper end of the vertical rod penetrates through the base plate and is provided with a spring, and when the vertical rod moves downwards, the spring acts between the top beam and the base plate; the spring is arranged to prevent the top beam from impacting the base plate after moving downwards.
The utility model has the advantages that: in the product, the contact between the sleepers and the tops of the piers is adopted, so that the contact area between the sleepers and the piers is large; when the front supporting leg is moved, the screws used for fixing and adjusting the sleeve are required to be unscrewed one by one, and at the moment, the vertical rod can move vertically, so that the front supporting leg can integrally move to the next pier conveniently. When moving to next pier on, the sleeper moves down under the effect of gravity, supports at the top of pier, screws up the screw this moment again, fixes between regulation strip and the montant this moment, and the montant is unable to be removed, accomplishes the support promptly. After adopting above-mentioned structure, can be to the stable contact between the pier for the work of bridging machine is more stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A;
FIG. 3 is a top view of the backing plate
Fig. 4 is a schematic diagram of the application of the product.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, 2, 3 and 4, the novel front support leg layout structure of bridge girder erection machine comprises a sleeper 1, wherein a top plate 2 is assembled at the upper end of the sleeper 1, the left side and the right side of the top plate 2 are bent downwards and then cover the sleeper 1, a plurality of long bolts 3 are assembled between the left side and the right side of the top plate 2, the long bolts 3 pass through the sleeper 1, a backing plate 4 is arranged above the top plate 2, grooves 401 are respectively arranged at the left side and the right side of the backing plate 4, a left row and a right row of holes 402 are arranged at the top of the backing plate 4, the holes 402 vertically penetrate through the backing plate 4, a vertical rod 5 is assembled in the holes 402, the vertical rod 5 can slide along the axial direction of the holes 402, the lower end of the vertical rod 5 is welded and fixed with the top plate 2, an adjusting sleeve 6 is sleeved at the part of the vertical rod 5 exposed in the groove 401, a screw 601 is matched between the adjusting sleeve 6 and the vertical rod 5; the upper end flange of roof 2 is connected with many supporting legss 7, and the supporting legss 7 department welding of the top has the connecting steel plate 8 of connecting the bridge crane.
The utility model discloses in the embodiment of a preferred, montant 5 with the welding has polylith floor 555 between roof 2.
In a preferred embodiment of the present invention, a damping plate 222 made of rubber is laid on the inner top of the top plate 2, and the damping plate 222 acts on the sleeper 1; the setting of shock attenuation board plays the effect of filling mainly, avoids leaving the clearance between roof and the sleeper, and the existence in clearance leads to the crooked rupture of bolt easily.
The utility model discloses in the embodiment of a preferred the upper and lower end of adjusting collar 6 all is provided with the cushion ring 666 of rubber material, cushion ring is used in the adjusting collar with between the cell wall of recess.
In a preferred embodiment of the present invention, a top beam 556 is welded between the tops of the plurality of vertical rods 5; the upper end of the vertical rod 5 is provided with a spring 557 after passing through the base plate 4, the spring acting between the top beam and the base plate when the vertical rod moves downwards; the spring is arranged to prevent the top beam from impacting the base plate after moving downwards.
The utility model has the advantages that: in the product, the contact between the sleepers and the tops of the piers is adopted, so that the contact area between the sleepers and the piers is large; when the front supporting leg is moved, the screws used for fixing and adjusting the sleeve are required to be unscrewed one by one, and at the moment, the vertical rod can move vertically, so that the front supporting leg can integrally move to the next pier conveniently. When moving to next pier on, the sleeper moves down under the effect of gravity, supports at the top of pier, screws up the screw this moment again, fixes between regulation strip and the montant this moment, and the montant is unable to be removed, accomplishes the support promptly. After adopting above-mentioned structure, can be to the stable contact between the pier for the work of bridging machine is more stable.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a structure is laid to novel landing leg before frame bridge crane which characterized in that: the sleeper comprises a sleeper, wherein a top plate is assembled at the upper end of the sleeper, the left side and the right side of a mandril are downwards bent and then coated on the sleeper, a plurality of long bolts are assembled between the left side and the right side of the top plate and penetrate through the sleeper, a base plate is arranged above the top plate, grooves are formed in the left side and the right side of the base plate, a left row and a right row of holes are formed in the top of the base plate, the holes vertically penetrate through the base plate, vertical rods are assembled in the holes and can slide along the axial directions of the holes, the lower ends of the vertical rods and the top plate are fixedly welded, an adjusting sleeve is sleeved at the part of the vertical rods exposed in the grooves, and screws are matched between the adjusting sleeve and the vertical rods; the upper end flange of the top plate is connected with a plurality of supporting legs, and the supporting leg at the uppermost end is welded with a connecting steel plate for connecting a bridge girder erection machine.
2. The novel front leg layout structure of a bridge girder erection machine as claimed in claim 1, wherein: a plurality of rib plates are welded between the vertical rod and the top plate.
3. The novel front leg layout structure of a bridge girder erection machine as claimed in claim 1, wherein: and a damping plate made of rubber is laid at the position of the inner top of the top plate and acts on the sleeper.
4. The novel front leg layout structure of a bridge girder erection machine as claimed in claim 1, wherein: the upper end and the lower end of the adjusting sleeve are respectively provided with a damping washer made of rubber, and the damping washers act between the adjusting sleeve and the groove wall of the groove.
5. The novel front leg layout structure of a bridge girder erection machine as claimed in claim 1, wherein: a top beam is welded between the tops of the vertical rods; the upper end of the vertical rod is provided with a spring after penetrating through the backing plate, and when the vertical rod moves downwards, the spring acts between the top beam and the backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020052840.3U CN211922312U (en) | 2020-01-10 | 2020-01-10 | Novel structure is laid to landing leg before frame bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020052840.3U CN211922312U (en) | 2020-01-10 | 2020-01-10 | Novel structure is laid to landing leg before frame bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211922312U true CN211922312U (en) | 2020-11-13 |
Family
ID=73330401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020052840.3U Active CN211922312U (en) | 2020-01-10 | 2020-01-10 | Novel structure is laid to landing leg before frame bridge crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211922312U (en) |
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2020
- 2020-01-10 CN CN202020052840.3U patent/CN211922312U/en active Active
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