CN219751722U - Headroom-saving lifting device - Google Patents
Headroom-saving lifting device Download PDFInfo
- Publication number
- CN219751722U CN219751722U CN202321257818.2U CN202321257818U CN219751722U CN 219751722 U CN219751722 U CN 219751722U CN 202321257818 U CN202321257818 U CN 202321257818U CN 219751722 U CN219751722 U CN 219751722U
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- China
- Prior art keywords
- bearing
- headroom
- lifting
- saving
- winch
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- 238000004804 winding Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model relates to a headroom-saving lifting device, comprising: a pair of rail beams disposed opposite each other; the bearing beam is arranged on the track beam in a sliding manner, and the arrangement direction of the bearing beam is perpendicular to the arrangement direction of the track beam; the driving piece is arranged on the bearing beam and is in driving connection with the bearing beam so as to drive the bearing beam to move and adjust along the track beam; the pulley block is arranged on the bearing beam; and the winch is arranged on the bearing Liang Cebu, a rope wound on the winch bypasses the pulley block and is connected with the lifting beam, and the winch realizes lifting of the lifting beam by winding and unwinding the rope. According to the lifting device, the winch is arranged at the side part of the bearing capacity and is connected with the lifting beam through the pulley block, so that the lifting operation requirement of beam sheets can be met, the overall height of the device is reduced, and the lifting device can be suitable for a space with limited clearance.
Description
Technical Field
The utility model relates to the technical field of bridge girder erection machines, in particular to a lifting device capable of saving clearance.
Background
The bridge girder erection machine is equipment for placing prefabricated girder segments on prefabricated piers. Its main function is to lift the beam and then to transport it to a location and then to drop it down. The bridge girder erection machine is arranged on the already placed girder segments and the bridge pier in front of the girder segments when in use, and continuously moves forward along with the installation of the girder segments until the bridge installation is completed. If an overhead is present above the bridge construction, the overhead may make the bridge girder erection machine inconvenient to use, and the clearance between the bridge girder and the overhead cannot meet the passing of the bridge girder erection machine, so a new solution is needed to provide for the situation of limited clearance.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides a lifting device capable of saving clearance, and solves the problem that the existing bridge girder erection machine cannot be used when the clearance is limited.
The technical scheme for achieving the purpose is as follows:
the utility model provides a headroom-saving lifting device, which comprises:
a pair of rail beams disposed opposite each other;
the bearing beam is arranged on the track beam in a sliding manner, and the arrangement direction of the bearing beam is perpendicular to the arrangement direction of the track beam;
the driving piece is arranged on the bearing beam and is in driving connection with the bearing beam so as to drive the bearing beam to move and adjust along the track beam;
the pulley block is arranged on the bearing beam; and
and the winch is arranged on the bearing Liang Cebu, a rope wound on the winch bypasses the pulley block and is connected with the lifting beam, and the winch realizes lifting of the lifting beam by winding and unwinding the rope.
According to the lifting device, the winch is arranged at the side part of the bearing capacity and is connected with the lifting beam through the pulley block, so that the lifting operation requirement of beam sheets can be met, the overall height of the device is reduced, and the lifting device can be suitable for a space with limited clearance.
The utility model further improves the lifting device for saving clearance, which is characterized in that the bottom of the bearing beam is provided with rotatable rollers which are arranged on the track beam in a sliding way;
the driving piece is a motor, and the motor is in driving connection with the roller.
The utility model further improves the lifting device for saving the clearance, wherein the side part of the bearing beam is connected with a bearing table, and the top elevation of the bearing table is lower than the top elevation of the bearing beam;
the winch is connected to the bearing table.
The utility model further improves the overhead-saving hoisting device in that the hoisting beam is also provided with a rotatable movable pulley;
the rope on the winch bypasses one fixed pulley in the pulley block and then bypasses the movable pulley downwards, and then bypasses the other fixed pulley in the pulley block upwards and then is fixedly connected with the pulley block.
The utility model further improves the overhead-saving hoisting device in that the bottom of the track beam is provided with a support truss.
The utility model further improves the overhead saving hoisting device, which comprises a support rail;
the support truss is arranged in the support rail in a sliding way.
The utility model further improves the space-saving lifting device, wherein the cross section of the supporting truss is triangular.
The utility model further improves the overhead saving hoisting device in that the load beam is provided with two.
The utility model further improves the space-saving lifting device, which is characterized in that the pulley block comprises a mounting frame and at least two fixed pulleys rotatably arranged on the mounting frame;
the mounting frame is arranged on the bearing beam and connected with the bearing beam.
The utility model provides a further improvement of the clearance-saving lifting device, wherein the front part and the rear part of the track beam are provided with supporting legs.
Drawings
Fig. 1 is a side view of the headroom-saving hoist lifting device of the present utility model.
Fig. 2 is a cross-sectional view of the headroom-saving hoist lifting device of the present utility model at the middle.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1, the utility model provides a clearance-saving lifting device, which is suitable for a working environment with limited clearance and is used for solving the problem that the existing bridge girder erection machine is higher in height and cannot be used under the condition with limited clearance. The hoisting device is characterized in that the hoisting machine is arranged on the side part of the bearing beam, so that the clearance of the upper part of the track beam can be effectively saved, the overall height of the device is reduced, and the hoisting device is suitable for hoisting beam sheets under the condition that an overhead bridge exists above the bridge. The headroom-saving lifting device of the present utility model will be described with reference to the accompanying drawings.
Referring to fig. 1, a side view of the headroom-saving hoist lifting device of the present utility model is shown. Referring to fig. 2, a cross-sectional view of the headroom-saving hoist lifting device of the present utility model is shown at the middle. The headroom-saving lifting device of the present utility model will be described with reference to fig. 1 and 2.
As shown in fig. 1 and 2, the headroom-saving lifting device of the present utility model includes a track beam 21, a load beam 22, a driving member 23, a pulley block 24, and a hoist 25; wherein the track beams 21 are provided with a pair and are oppositely arranged; the bearing beam 22 is arranged on the track beam 21 in a sliding way, and the arrangement direction of the bearing beam 22 is perpendicular to the arrangement direction of the track beam 21; a driving member 23 is mounted on the carrier beam 22 and is in driving connection with the carrier beam 22, the driving member 23 being capable of driving the carrier force 22 to perform a movement adjustment along the track beam 21; the pulley block 24 is arranged on the bearing beam 22, and the pulley block 24 is arranged at the middle part of the bearing beam 22; the hoist 25 is provided at a side portion of the load beam 22, a rope 251 wound around the hoist 25 passes around the pulley block 24 and is connected to a lifting beam 26, the lifting beam 26 is positioned below the load beam 22, and the hoist 25 can lift and lower the lifting beam 26 by winding and unwinding the rope 251.
When the lifting device is used, the track beam 21 can be erected on the beam piece 12 and the bridge pier 11 at the front part, then the beam piece to be lifted is connected by the lifting beam 26, the bearing beam 22 is moved and adjusted after the beam piece is lifted, the lifting device stops when the bearing beam is moved to the mounting position of the beam piece, and the beam piece is lowered into place, so that the lifting of the beam piece is completed. The rail beam 21 may then be moved forward and then the hoisting of a new beam piece repeated until all beam pieces are hoisted.
In one embodiment of the present utility model, as shown in fig. 1 and 2, the bottom of the carrier beam 22 is provided with a rotatable roller 221, and the roller 221 is slidably disposed on the track beam 21;
the driving member 23 is a motor which is in driving connection with the roller 221.
The motor is started, and the motor can drive the roller 221 to rotate, so that the roller 221 can be movably adjusted along the track beam 21.
Preferably, a bar rail is provided on top of the rail beam 21; the middle part of the outer surface of the roller 221 is provided with an annular caulking groove which is matched with the strip-shaped rail, and the roller 221 is sleeved on the strip-shaped rail through the annular caulking groove. The cooperation of the bar rail and the annular caulking groove can play a role in guiding and limiting the movement of the bearing beam 22.
In one embodiment of the present utility model, as shown in fig. 1 and 2, the side of the carrier beam 22 is connected with a support table 222, and the top elevation of the support table 222 is lower than the top elevation of the carrier beam 22;
the hoist 25 is connected to the support table 222.
In one embodiment of the present utility model, as shown in fig. 1 and 2, a rotatable movable pulley 261 is provided on the lifting beam 26;
the rope 251 on the windlass 25 passes around one fixed pulley 242 in the pulley block 24, then passes around the movable pulley 261 downwards, passes around the other fixed pulley 242 in the pulley block 24 upwards, and then is fixedly connected with the pulley block 24.
Further, the pulley block 24 comprises a mounting frame 241 and at least two fixed pulleys 242 rotatably arranged on the mounting frame 241;
the mounting bracket 241 is disposed on the load beam 22 and is connected to the load beam 22.
Thus, if the hoist 25 pays out the rope 251, the lifting beam 26 is moved downward, and if the hoist 25 retracts the rope 251, the lifting beam 26 is moved upward.
In one embodiment of the present utility model, as shown in fig. 1 and 2, the bottom of the rail beam 21 is provided with a support truss 27.
Further, the headroom-saving hoist lifting device of the present utility model also includes a support rail 28;
the support truss 27 is slidably disposed within the support rails 28.
Preferably, the cross section of the support truss 27 is triangular.
Still further, the rail beam 21 is provided with legs 29 at the front and rear. The legs 29 are connected to the support truss 27. When the track beam 21 is fixed, the front support leg 29 is fixedly connected to the corresponding bridge pier 11, the rear support leg 29 is connected to the installed beam piece 12, and when the track beam 21 needs to be moved, the front support leg 29 is contacted with the rear support leg 29 to be fixedly connected, and then the support truss 27 is moved forwards, so that the position of the track beam 21 can be adjusted.
Still further, the supporting truss 27 is provided with a travelling wheel corresponding to the front end of the installed beam piece 12, the travelling wheel is slidably arranged in the supporting rail 28, the bottom of the supporting truss 27 is connected with a driving motor which is in driving connection with the travelling wheel, and the travelling wheel can be driven to rotate, so that the supporting truss 27 and the rail beam 21 are carried to move together, and the position of the rail beam 21 is adjusted.
In one embodiment of the present utility model, as shown in fig. 1 and 2, two load beams 22 are provided. The lifting beams on the two load beams 22 are connected at the front and rear of the beam sheet, so that one load beam 22 is used to hoist the front of the beam sheet and the other load beam 22 is used to hoist the rear of the beam sheet, and when in hoisting, the two hoists on the two load beams 22 are operated synchronously.
In one embodiment of the present utility model, the support truss 27 is formed by welding section steel and steel plates. The track beam 21 is a square rail, and the carrier beam 22 is formed by welding profile steel and a steel plate.
According to the lifting device, the winch is arranged at the side part of the bearing capacity and is connected with the lifting beam through the pulley block, so that the lifting operation requirement of beam sheets can be met, the overall height of the device is reduced, and the lifting device can be suitable for a space with limited clearance.
The present utility model has been described in detail with reference to the embodiments of the drawings, and those skilled in the art can make various modifications to the utility model based on the above description. Accordingly, certain details of the illustrated embodiments are not to be taken as limiting the utility model, which is defined by the appended claims.
Claims (10)
1. A headroom-saving lifting device comprising:
a pair of rail beams disposed opposite each other;
the bearing beam is arranged on the track beam in a sliding manner, and the arrangement direction of the bearing beam is perpendicular to the arrangement direction of the track beam;
the driving piece is arranged on the bearing beam and is in driving connection with the bearing beam so as to drive the bearing beam to move and adjust along the track beam;
the pulley block is arranged on the bearing beam; and
and the winch is arranged on the bearing Liang Cebu, a rope wound on the winch bypasses the pulley block and is connected with the lifting beam, and the winch realizes lifting of the lifting beam by winding and unwinding the rope.
2. The headroom-saving lifting device of claim 1, wherein the bottom of the load beam is provided with rotatable rollers slidingly disposed on the rail beam;
the driving piece is a motor, and the motor is in driving connection with the roller.
3. The headroom-saving lifting device of claim 1, wherein a bearing table is connected to a side of the load beam, the bearing table having a top elevation lower than a top elevation of the load beam;
the winch is connected to the bearing table.
4. The headroom-saving lifting device of claim 1, wherein the lifting beam is also provided with a rotatable travelling block;
the rope on the winch bypasses one fixed pulley in the pulley block and then bypasses the movable pulley downwards, and then bypasses the other fixed pulley in the pulley block upwards and then is fixedly connected with the pulley block.
5. The headroom-saving hoist device of claim 1, wherein the bottom of the rail beam is provided with a support truss.
6. The headroom-saving hoist device of claim 5, further comprising a support rail;
the support truss is arranged in the support rail in a sliding way.
7. The headroom-saving hoist device of claim 5, wherein the cross section of the support truss is triangular.
8. The headroom-saving hoist device of claim 1, wherein the load beam is provided with two.
9. The headroom-saving hoist device of claim 1, wherein the pulley block comprises a mounting bracket and at least two fixed pulleys rotatably disposed on the mounting bracket;
the mounting frame is arranged on the bearing beam and connected with the bearing beam.
10. The headroom-saving hoist device of claim 1, wherein the rail beams are provided with legs at the front and rear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321257818.2U CN219751722U (en) | 2023-05-23 | 2023-05-23 | Headroom-saving lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321257818.2U CN219751722U (en) | 2023-05-23 | 2023-05-23 | Headroom-saving lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219751722U true CN219751722U (en) | 2023-09-26 |
Family
ID=88083132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321257818.2U Active CN219751722U (en) | 2023-05-23 | 2023-05-23 | Headroom-saving lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219751722U (en) |
-
2023
- 2023-05-23 CN CN202321257818.2U patent/CN219751722U/en active Active
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