CN219708935U - Telescopic beam crane - Google Patents
Telescopic beam crane Download PDFInfo
- Publication number
- CN219708935U CN219708935U CN202321184688.4U CN202321184688U CN219708935U CN 219708935 U CN219708935 U CN 219708935U CN 202321184688 U CN202321184688 U CN 202321184688U CN 219708935 U CN219708935 U CN 219708935U
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- Prior art keywords
- wheel
- lifting trolley
- support
- plate
- driving wheel
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- 230000005484 gravity Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model relates to a telescopic girder crane, which comprises a main girder, wherein an electric crane is slidably arranged at the bottom of the main girder, a working girder is fixedly arranged at the bottom of the electric crane through bolts, a lifting trolley is slidably arranged at the bottom of the working girder, the lifting trolley comprises a central shaft, two ends of the central shaft are sleeved with side plates, a traveling motor is fixedly arranged on the outer wall of each side plate through bolts, a driving gear is sleeved with the output end of each traveling motor, the driving gear is positioned at the inner side of each side plate, and a fixing seat is welded on the outer wall of each side plate. According to the telescopic girder crane, the driving wheel and the driven wheel are arranged on the mounting plate, so that the driving wheel and the driven wheel are convenient to mount and dismount, the whole body is not required to be dismounted during replacement, the operation is convenient, the supporting wheel can be put down or retracted through the rotation of the support, the supporting wheel and the lifting trolley play a supporting role after being put down, and the gravity center of the lifting trolley is prevented from being deviated after the dismounting.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a telescopic girder crane.
Background
The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying a weight within a certain range, and has a plurality of structural forms, such as a cantilever crane, a beam crane, a portal crane, a tower crane and the like.
The telescopic girder crane is a common girder crane, and can extend out of a working girder in the single girder operation process, so that the goods can be lifted outside an original working area, particularly when a shielding object exists, an auxiliary working area can be increased, and the using space of special objects or equipment can be fully utilized.
The lifting trolley of the existing telescopic girder crane is hung at the bottom of the working girder through pulleys at two sides of the top end, and the pulleys at two sides are often deformed and damaged due to pressure because of frequently lifting heavy objects, so that the maintenance and replacement frequency is relatively fast, the pulleys are required to be integrally disassembled when being disassembled, the steps are complex, the operation is labor-consuming, and the efficiency is relatively low.
Therefore, there is a need for a telescopic girder crane that facilitates replacement of the pulleys.
Disclosure of Invention
The utility model aims to overcome the defects and provide the telescopic girder crane with the pulley convenient to replace.
The purpose of the utility model is realized in the following way:
the utility model provides a telescopic girder crane, includes the girder, the bottom slidable mounting of girder has electric crane, the bottom of electric crane passes through bolt fixed mounting working beam, the bottom slidable mounting of working beam has the dolly that lifts by crane, the dolly that lifts by crane includes the axis, the curb plate has been cup jointed at centraxonial both ends, there is the walking motor through bolt fixed mounting on the outer wall of curb plate, the output cover of walking motor installs drive gear, drive gear is located the inboard of curb plate, welded mounting has the fixing base on the outer wall of curb plate, the mounting panel is pegged graft to the inboard of fixing base, be equipped with the fixed plate on the outer wall on mounting panel top, drive wheel and follow driving wheel are installed to the inboard of curb plate, drive wheel and follow driving wheel and mounting panel fixed connection, the drive wheel is installed in drive gear's both sides, drive wheel and drive gear meshing, install the opposite at the drive wheel from the driving wheel, the epaxial fixed mounting has electric hoist in dolly bottom.
Preferably, the fixing seat is of a rectangular plate-shaped structure, and threaded holes are formed in the top ends of two sides of the fixing seat.
Preferably, the fixing plate is positioned at the outer side of the side plate after the mounting plate is inserted, and the fixing plate is fixedly connected with the fixing seat through bolts.
Preferably, the lifting trolley further comprises a support hinged to the outer walls of the tops of the two ends of the side plates, one end of the support is provided with a strip-shaped handle, the inner wall of the other end of the support is fixedly provided with a supporting wheel, and the supporting wheel is located on the inner side of the side plates.
Preferably, circular arc grooves are formed in two ends of the side plates, and the rotating shafts of the supporting wheels are clamped with the circular arc grooves when the support rotates downwards.
Preferably, the top of curb plate both sides has seted up semicircular groove, the pivot of supporting wheel with semicircular groove joint when the support upwards rotates.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the telescopic girder crane, the driving wheel and the driven wheel are arranged on the mounting plate, the mounting plate is arranged in an inserting mode, the mounting plate and the mounting seat are fixed in a penetrating manner through the bolts, so that the driving wheel and the driven wheel are convenient to mount and dismount, and the whole body is not required to be dismounted during replacement, so that the operation is convenient;
2. according to the telescopic girder crane, the supporting wheels are hinged at the two ends of the side plates, the grooves are formed in the two ends and the top of the side plates, the supporting wheels can be put down or retracted through rotation of the support, the supporting wheels and the lifting trolley play a supporting role after being put down, the gravity center of the lifting trolley is prevented from being deviated, the driving wheel and the driven wheel are convenient to install and disassemble, the arc-shaped grooves play a limiting role on the supporting wheels, the supporting wheels are prevented from sliding out, and the semicircular grooves play a supporting role on the supporting wheels.
Drawings
Fig. 1 is a schematic perspective view of a telescopic girder crane according to the present utility model.
Fig. 2 is a schematic diagram of a lifting trolley of the telescopic girder crane.
Fig. 3 is a schematic view of a telescopic girder crane supporting wheel lowering according to the present utility model.
Fig. 4 is an explosion structure schematic diagram of a lifting trolley of the telescopic girder crane.
Wherein: the electric hoist comprises a main beam 1, an electric traveling crane 2, a working beam 3, a lifting trolley 4, a central shaft 4.1, side plates 4.2, a traveling motor 4.3, a driving gear 4.4, a fixed seat 4.5, a mounting plate 4.6, a fixed plate 4.7, a driving wheel 4.8, a driven wheel 4.9, a bracket 4.10, a handle 4.11, a supporting wheel 4.12 and an electric hoist 5.
Description of the embodiments
Referring to fig. 1 to 4, the telescopic girder crane related by the utility model comprises a main girder 1, an electric crane 2 is slidably arranged at the bottom of the main girder 1, a working girder 3 is fixedly arranged at the bottom of the electric crane 2 through bolts, a lifting trolley 4 is slidably arranged at the bottom of the working girder 3, the lifting trolley 4 comprises a central shaft 4.1, two ends of the central shaft 4.1 are sleeved with side plates 4.2, a traveling motor 4.3 is fixedly arranged on the outer wall of the side plates 4.2 through bolts, a driving gear 4.4 is sleeved at the output end of the traveling motor 4.3, the driving gear 4.4 is positioned at the inner side of the side plates 4.2, a fixing seat 4.5 of a rectangular plate-shaped structure is welded on the outer wall of the side plates 4.2, threaded holes are formed at the top ends of two sides of the fixing seat 4.5, mounting plates 4.6 are inserted and mounted on the inner sides of the mounting plates 4.6, a fixing plate 4.7 is arranged on the outer side of the top ends of the mounting plates 4.1, the fixing plate 4.7 is fixedly connected with the inner side of the fixing seat 4.5 through bolts, the inner side of the fixing plate 4.2 through bolts, a driving wheel 4.8 and the driving wheel 4.9 is not required to be conveniently detached from the driving wheel 4.8 and the driving wheel 4.4.4.9, and the driving wheel 4.9 is convenient to be integrally mounted with the driving wheel 4.8 and the driving wheel 4.9.
Further, the lifting trolley 4 further comprises a support 4.10 hinged to the outer walls of the tops of the two ends of the side plate 4.2, a strip-shaped handle 4.11 is arranged at one end of the support 4.10, a supporting wheel 4.12 is fixedly arranged on the inner wall of the other end of the support 4.10, the supporting wheel 4.12 is located on the inner side of the side plate 4.2, the supporting wheel 4.12 can be put down or retracted through rotation of the support 4.10, the supporting wheel 4.12 and the lifting trolley 4 play a supporting role after being put down, gravity center deviation of the lifting trolley 4 is prevented, and installation and disassembly of the driving wheel 4.8 and the driven wheel 4.9 are facilitated.
Further, the driving wheels 4.8 are arranged on two sides of the driving gear 4.4, the driving wheels 4.8 are meshed with the driving gear 4.4, the driven wheels 4.9 are arranged on the opposite sides of the driving wheels 4.8, and the electric hoist 5 is fixedly arranged on the middle shaft 4.1 at the bottom of the lifting trolley 4.
Further, circular arc grooves are formed in two ends of the side plate 4.2, when the support 4.10 rotates downwards, the rotating shaft of the support wheel 4.12 is clamped with the circular arc grooves, semicircular grooves are formed in the tops of two sides of the side plate 4.2, the circular arc grooves play a limiting role on the support wheel 4.12, the support wheel 4.12 is prevented from sliding out, when the support 4.10 rotates upwards, the rotating shaft of the support wheel 4.12 is clamped with the semicircular grooves, and the semicircular grooves play a supporting role on the support wheel 4.12.
The working principle of the telescopic girder crane is as follows: the main beam 1 is fixed at a proper installation position, the working beam 3 can be stretched out through the electric crane 2, the travelling motor 4.3 controls the driving wheel 4.8 to rotate through the driving gear 4.4, the lifting trolley 4 is driven to transversely move, a heavy object is lifted through the electric hoist 5 at the bottom, when the driving wheel 4.8 and the driven wheel 4.9 are required to be replaced, the handle 4.11 is pulled downwards at first, the supporting wheel 4.12 is rotated downwards, the rotating shaft of the supporting wheel 4.12 is clamped with circular arc grooves at two ends of the side plate 4.2, at the moment, the supporting wheel 4.12 plays a supporting role on the lifting trolley 4, then the bolts for fixing the fixing plate 4.7 can be removed, the installation plate 4.6 is pulled upwards, the driving wheel 4.8 and the driven wheel 4.9 are removed, the new driving wheel 4.8 and the driven wheel 4.9 are replaced, the handle 4.11 is pulled upwards, the supporting wheel 4.12 is rotated upwards, and the rotating shaft of the supporting wheel 4.12 is clamped with the semicircular grooves at the top of the side plate 4.2, and the supporting wheel 4.12 plays a supporting role.
In addition: it should be noted that the above embodiment is only one of the optimization schemes of this patent, and any modification or improvement made by those skilled in the art according to the above concepts is within the scope of this patent.
Claims (6)
1. The utility model provides a flexible roof beam hoist which characterized in that: the lifting trolley comprises a main beam (1), an electric travelling crane (2) is slidably arranged at the bottom of the main beam (1), a working beam (3) is fixedly arranged at the bottom of the electric travelling crane (2) through bolts, a lifting trolley (4) is slidably arranged at the bottom of the working beam (3), the lifting trolley (4) comprises a central shaft (4.1), side plates (4.2) are sleeved at two ends of the central shaft (4.1), a travelling motor (4.3) is fixedly arranged on the outer wall of the side plates (4.2) through bolts, a driving gear (4.4) is sleeved at the output end of the travelling motor (4.3), the driving gear (4.4) is positioned at the inner side of the side plates (4.2), a fixing seat (4.5) is fixedly arranged on the outer wall of the side plates (4.2), a fixing plate (4.7) is arranged on the outer wall of the top end of each mounting plate, a driving wheel (4.8) and a driven wheel (4.8.9) are fixedly meshed with the driving wheel (4.8.4.4) on the driving wheel (4.8), the driving wheel (4.8.4.8) is fixedly meshed with the driving wheel (4.4.8), an electric hoist (5) is fixedly arranged on a middle shaft (4.1) at the bottom of the lifting trolley (4).
2. A telescopic girder crane according to claim 1, characterized in that: the fixing seat (4.5) is of a rectangular plate-shaped structure, and threaded holes are formed in the tops of two sides of the fixing seat (4.5).
3. A telescopic girder crane according to claim 2, characterized in that: the mounting plate (4.6) is inserted, the fixing plate (4.7) is located on the outer side of the side plate (4.2), and the fixing plate (4.7) is fixedly connected with the fixing seat (4.5) through bolts.
4. A telescopic girder crane according to claim 1, characterized in that: the lifting trolley (4) further comprises a support (4.10) hinged to the outer walls of the tops of the two ends of the side plate (4.2), one end of the support (4.10) is provided with a strip-shaped handle (4.11), a supporting wheel (4.12) is fixedly arranged on the inner wall of the other end of the support (4.10), and the supporting wheel (4.12) is located on the inner side of the side plate (4.2).
5. The telescopic girder crane according to claim 4, wherein: circular arc grooves are formed in two ends of the side plates (4.2), and when the support (4.10) rotates downwards, the rotating shafts of the support wheels (4.12) are clamped with the circular arc grooves.
6. The telescopic girder crane according to claim 4, wherein: semicircular grooves are formed in the tops of two sides of the side plates (4.2), and when the support (4.10) rotates upwards, the rotating shafts of the support wheels (4.12) are clamped with the semicircular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321184688.4U CN219708935U (en) | 2023-05-17 | 2023-05-17 | Telescopic beam crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321184688.4U CN219708935U (en) | 2023-05-17 | 2023-05-17 | Telescopic beam crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219708935U true CN219708935U (en) | 2023-09-19 |
Family
ID=87998592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321184688.4U Active CN219708935U (en) | 2023-05-17 | 2023-05-17 | Telescopic beam crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219708935U (en) |
-
2023
- 2023-05-17 CN CN202321184688.4U patent/CN219708935U/en active Active
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