Equipment for moving truss girder after cast-in-place beam pouring in bridge construction
Through the coordinated action of the first and second lifting mechanisms, the truss beam is lifted and moved by the roller, which solves the problems of damage and safety hazards during the removal of the truss beam in the prior art and realizes stable and efficient truss beam movement.
Patent Information
- Application Number
- CN202422564038.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-23
AI Technical Summary
When dismantling truss beams during existing bridge construction, using jacks to lift them can easily damage the load-bearing beams, and manual hand winches are unstable and pose a safety hazard.
The first and second jacking mechanisms are adopted, and the rollers and lifting frames are driven by air cylinders, oil cylinders or servo electric cylinders to coordinately lift and move the truss beam, avoiding the use of jacks and hand hoists, and achieving stable movement of the truss beam through the rotation of the rollers.
The stable movement of the truss beam is achieved, damage and rollover of the load-bearing beam are avoided, and the convenience and safety of operation are improved.
Smart Images
Figure CN223446000U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge construction equipment technical field especially relates to the equipment of cast-in-place beam pouring post -moving truss girder in bridge construction. BACKGROUND
[0002] Truss girder needs to be used to assist bridge construction when cast-in-place construction of bridge, and the truss girder needs to be removed after the completion of bridge body pouring, but due to the covering of concrete bridge body, the crane cannot be directly lifted from the vertical direction. The prior art is to use a jack to lift the truss girder, and then use a trolley to cooperate with manual use of a chain hoist to pull the truss girder to the end of the bearing beam, and finally use the crane to lift a group of truss girders to the ground. The prior art has the following problems when removing the truss girder: additional installation of the jack for lifting, easy damage to the bearing beam, instability of manual use of the chain hoist for pulling, time-consuming and laborious, and safety hazards. SUMMARY
[0003] The utility model solves the technical problem of the prior art, provides a kind of equipment of cast-in-place beam pouring post -moving truss girder in bridge construction, which replaces the jack to lift the truss girder, so that the bearing beam is not damaged, and replaces manual use of chain hoist to pull the truss girder, so that the truss girder is not easy to overturn.
[0004] The utility model adopts the technical scheme that the equipment of cast-in-place beam pouring post -moving truss girder in bridge construction includes first lifting mechanism, second lifting mechanism, the first lifting mechanism and the second lifting mechanism cooperate and act to lift the truss girder, the first lifting mechanism includes first bottom disc, and first bottom disc is connected with the first roller of rotation arrangement, and first bottom disc is fixedly connected with a first driving device, and the first driving device is connected with fork leg, and the first driving device runs and drives fork leg to vertically move, the second lifting mechanism includes second bottom disc, and second bottom disc is connected with the second roller of rotation arrangement, and second bottom disc is fixedly connected with a second driving device, and the second driving device is connected with lifting frame, and lifting frame has insertion hole for the insertion of fork leg, and the second driving device runs and drives lifting frame to vertically move, when lifting the truss girder, fork leg is inserted into insertion hole, and the truss girder is above fork leg.
[0005] The first driving device and the second driving device of the utility model are air cylinders, oil cylinders or servo electric cylinders.
[0006] The first bottom disc of the utility model is fixedly connected with two guide columns, and the two guide columns are slidably connected with a lifting beam, and the first driving device is connected with the lifting beam, and the fork leg is connected with the lifting beam.
[0007] The guide column of the utility model is a channel steel, and the channel steel is provided with a bearing, and the bearing is rotatably connected with the lifting beam.
[0008] The two fork legs have a gap larger than the width of the load-bearing beam between the two fork legs.
[0009] Compared with the prior art, the utility model has the beneficial effects that:
[0010] The utility model discloses a first driving device drives the lifting beam, and the second driving device drives the lifting frame, and the lifting beam and the lifting frame drive the fork leg to move upward simultaneously, thereby driving the truss beam located above the fork leg to lift upward, the first bottom disc is connected with the first roller, and the second bottom disc is connected with the second roller, and the first roller and the second roller are driven to rotate by manual or driving device, thereby realizing the lifting and moving of the truss beam, compared with the prior art that installs and uses the jack to lift the truss beam, the utility model lifts the truss beam by the first lifting mechanism and the second lifting mechanism, which is convenient to operate and does not damage the load-bearing beam, compared with the prior art that uses the hand-operated hoist to pull, the utility model rotates the first roller and the second roller to prevent the wear of the load-bearing beam by the truss beam in the pulling process and the truss beam from being prone to tilting in the moving process. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is the structural schematic diagram of the utility model.
[0012] Fig. 2 It is the structural schematic diagram of another view of the utility model.
[0013] Fig. 3 It is the internal structure schematic diagram of the first lifting mechanism.
[0014] Fig. 4 It is the internal structure schematic diagram of the second lifting mechanism.
[0015] Fig. 5 It is the structural schematic diagram of the utility model in combination with the truss beam and the load-bearing beam. DETAILED DESCRIPTION
[0016] The utility model will be further described in connection with the drawings and through the embodiment.
[0017] As Figs. 1 to 5As shown, the device for moving the truss girder after the cast-in-place girder pouring in the bridge construction in the embodiment comprises a first jacking mechanism 1 and a second jacking mechanism 2, the first jacking mechanism 1 and the second jacking mechanism 2 cooperate to jacking the truss girder; the first jacking mechanism 1 comprises a first base plate 11, the first base plate 11 is connected with a rotatingly arranged first roller 111, the first base plate 11 is fixedly connected with a first driving device 12, the first driving device 12 is connected with a fork 13, the first driving device 12 drives the fork 13 to move vertically; the second jacking mechanism 2 comprises a second base plate 21, the second base plate 21 is connected with a rotatingly arranged second roller 211, the second base plate 21 is fixedly connected with a second driving device 22, the second driving device is connected with a lifting frame 23, the lifting frame 23 has a insertion hole 24 for the fork 13 to insert, the second driving device 22 drives the lifting frame 23 to move vertically; when jacking the truss girder, the fork 13 is inserted into the insertion hole 24, and the truss girder is above the fork 13; the fork 13 is two, and the gap between the two forks 13 is greater than the width of the bearing beam; when the device works, the truss girder 31 is above the bearing beam 32, the truss girder 31 and the bearing beam 32 are arranged vertically, the bearing beam 32 supports the first jacking mechanism 1 and the second jacking mechanism 2, the width direction of the truss girder 31 to be jacked and moved is between the first jacking mechanism 1 and the second jacking mechanism 2, the two forks 13 are located on the two sides of the width direction of the bearing beam 32, the truss girder 31 is above the fork 13, the first driving device 12 drives the lifting beam 15, the second driving device 22 drives the lifting frame 23, the lifting beam 15 and the lifting frame 23 drive the fork 13 to move upward at the same time, thereby driving the truss girder 31 above the fork 13 to jacking upward, the first base plate 11 is connected with the first roller 111, the second base plate 21 is connected with the second roller 211, the first roller 111 and the second roller 211 are driven to rotate by manual or driving device, and finally the jacking and moving of the truss girder 31 are realized.
[0018] The first driving device 12 and the second driving device 22 are air cylinders, oil cylinders or servo electric cylinders, and the air cylinders, the oil cylinders or the servo electric cylinders can be driven in both directions, and finally the jacking and restoration of the fork 13 are realized.
[0019] The specific structure of the first jacking mechanism 1 in the embodiment further comprises the following: the first base plate 11 is fixedly connected with two guide columns 14, the two guide columns 14 are slidably connected with a lifting beam 15, the first driving device 12 is connected with the lifting beam 15, and the fork 13 is connected with the lifting beam 15; the guide column 14 is a channel steel, a bearing 16 is arranged in the channel steel, and the bearing 16 is rotatably connected with the lifting beam 15; the arrangement of the guide column 14 and the bearing 16 ensures that the lifting beam 15 does not deviate when moving vertically.
[0020] The first jacking mechanism 1 further comprises a first protective cover fixedly arranged with the first base plate 11, the first protective cover being located at the periphery of the first driving device 12, and the first protective cover protecting the first driving device 12 from being damaged; the second jacking mechanism 2 further comprises a second protective cover fixedly arranged with the second base plate 21, the second protective cover being located at the periphery of the second driving device 22, and the second protective cover protecting the second driving device 22 from being damaged.
Claims
1. Equipment for moving truss beams after pouring cast-in-place beams in bridge construction, characterized by: It comprises a first jacking mechanism (1) and a second jacking mechanism (2), wherein the first jacking mechanism (1) and the second jacking mechanism (2) cooperate to jack up the truss beam; The first lifting mechanism (1) comprises a first chassis (11), the first chassis (11) is connected to a first roller (111) which is arranged to rotate, the first chassis (11) is fixedly connected to a first driving device (12), the first driving device (12) is connected to a fork leg (13), and the first driving device (12) drives the fork leg (13) to move vertically when it is in operation; The second lifting mechanism (2) includes a second chassis (21), the second chassis (21) is connected to a second roller (211) that is rotatably arranged, the second chassis (21) is fixedly connected to a second driving device (22), the second driving device is connected to a lifting frame (23), the lifting frame (23) has a socket (24) for inserting a fork leg (13), and the second driving device (22) drives the lifting frame (23) to move vertically; when the truss beam (31) is lifted, the fork leg (13) is inserted into the socket (24), and the truss beam (31) is located above the fork leg (13).
2. The device for moving truss beams after pouring cast-in-situ beams in bridge construction according to claim 1 is characterized in that: The first drive device (12) and the second drive device (22) are air cylinders, oil cylinders, or servo electric cylinders.
3. The device for moving truss beams after pouring cast-in-situ beams in bridge construction according to claim 1, characterized in that: The first chassis (11) is fixedly connected to two guide pillars (14), the two guide pillars (14) are slidably connected to a lifting beam (15), the first driving device (12) is connected to the lifting beam (15), and the fork leg (13) is connected to the lifting beam (15).
4. The device for moving truss beams after pouring cast-in-situ beams in bridge construction according to claim 3, characterized in that: The guide column (14) is a channel steel, and a bearing (16) is provided in the channel steel. The bearing (16) is rotatably connected to the lifting beam (15).
5. The device for moving truss beams after pouring cast-in-situ beams in bridge construction according to claim 1, characterized in that: There are two fork legs (13), and a gap greater than the width of the load-bearing beam (32) exists between the two fork legs (13).