Device for moving truss girder in construction

Abstract

The device for moving the truss girder in the building construction comprises a first beam and a second beam located above the first beam, and the first beam and the second beam are connected through a jacking structure. The jacking structure comprises a first connecting seat, a second connecting seat, two first connecting rod pieces rotationally connected with the first connecting seat and two second connecting rod pieces rotationally connected with the second connecting seat, the far ends of the two first connecting rod pieces are rotationally connected with the first beam and the second beam respectively, and the far ends of the two second connecting rod pieces are rotationally connected with the first beam and the second beam respectively; the first connecting seat and the second connecting seat are in threaded connection with a driving rod, the driving rod is provided with a forward thread and a reverse thread, the forward thread is in threaded connection with the first connecting seat, the reverse thread is in threaded connection with the second connecting seat, and the driving rod can rotate to drive the second beam to be close to or away from the first beam; the two ends of the second beam are provided with two transmission wheels which are arranged in a rotating mode, and transmission chains are arranged on the transmission wheels.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a device for moving truss beams during construction. Background Art

[0002] During the construction of cast-in-place bridge beams, the truss beams need to be removed after the bridge is poured. However, after pouring, the concrete bridge body has already formed above the truss beams, covering the space above the truss beams and preventing them from being directly lifted vertically by a crane for removal. The existing technology uses jacks to lift the truss beams, then uses a trolley and a manual hoist to manually move the truss beams to the end of the load-bearing beams, and finally uses a crane to lift a set of truss beams to the ground. The existing technology is complex to operate during the lifting and movement of the truss beams, has low manual operation efficiency, and is prone to damage to the load-bearing beams when using jacks. Utility Model Content

[0003] The technical problem to be solved by the utility model is to solve the deficiencies in the prior art and provide a device for moving truss beams in automated construction that is simple to operate, improves efficiency, and does not damage load-bearing beams.

[0004] The technical solution adopted by the present invention is a device for moving a truss beam during construction, comprising a first beam and a second beam above the first beam, the first beam and the second beam being connected by a jacking structure, the jacking structure comprising a first connecting seat, a second connecting seat, two first connecting rods rotatably connected to the first connecting seat, and two second connecting rods rotatably connected to the second connecting seat, the distal ends of the two first connecting rods being rotatably connected to the first beam and the second beam respectively, and the distal ends of the two second connecting rods being rotatably connected to the first beam and the second beam respectively; the first connecting seat and the second connecting seat are threadedly connected to a drive rod, the drive rod having a forward thread and a reverse thread, the forward thread being threadedly connected to the first connecting seat, and the reverse thread being threadedly connected to the second connecting seat, the rotation of the drive rod can drive the second beam closer to or away from the first beam; two rotatable transmission wheels are provided at both ends of the second beam, and a transmission chain is provided on the transmission wheel.

[0005] The utility model is provided with a plurality of jacking structures along the length direction of the first beam, and the driving rods of adjacent jacking structures are connected by couplings or fixedly connected; the driving rods are driven by the first motor.

[0006] The first connecting rod component and the second connecting rod component of the utility model respectively include two connecting rods arranged at intervals, and the two connecting rods are fixedly connected by a connecting piece.

[0007] A cushion block is provided between the lower surface of the transmission chain and the second beam of the utility model.

[0008] The second beam of the present invention is an I-beam, the web of the I-beam is in a horizontal direction, and the transmission chain is arranged around the web.

[0009] The transmission wheel of the utility model is driven by the second motor.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The utility model drives the driving rod to rotate by the first motor, and the first connecting seat and the second connecting seat on the driving rod slide along the driving rod and approach or move away from each other, the first connecting seat drives the first connecting rod to rotate, and the second connecting seat drives the second connecting rod to rotate. When the first connecting seat and the second connecting seat slide along the driving rod and approach each other, the first connecting rod and the second connecting rod drive the second beam to push up, so that the second beam moves away from the first beam to push up the truss beam, and the truss beam located on the second beam moves through the transmission chain, and finally the truss beam is pushed up and then moved for transportation; compared with the prior art, it does not require the use of a jack, is convenient to operate, is not easy to damage the load-bearing beam, and replaces manual traction to achieve automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of the present utility model.

[0013] Figure 2 It is a structural schematic diagram of the utility model when working.

[0014] Figure 3 yes Figure 1 A partial enlarged view of point A in the middle.

[0015] Figure 4 yes Figure 2 A partial enlarged view of point B in the middle. DETAILED DESCRIPTION

[0016] The present invention will be further described below with reference to the accompanying drawings and through embodiments.

[0017] like Figures 1 to 4As shown, the device for moving the truss beam during construction described in this embodiment includes a first beam 1 and a second beam 2 above the first beam 1, and the first beam 1 and the second beam 2 are connected by a jacking structure 3, and the jacking structure 3 includes a first connecting seat 4, a second connecting seat 5, two first connecting rods 41 rotatably connected to the first connecting seat 4, and two second connecting rods 51 rotatably connected to the second connecting seat 5, the distal ends of the two first connecting rods 41 are rotatably connected to the first beam 1 and the second beam 2, respectively, and the distal ends of the two second connecting rods 51 are rotatably connected to the first beam 1 and the second beam 2, respectively; the first connecting seat 4 and the second connecting seat 5 are threadedly connected to a driving rod 6, and the driving rod 6 is driven by a first motor 62, and the driving rod 6 has a forward thread and a reverse thread, the forward thread is threadedly connected to the first connecting seat 4, and the reverse thread is threadedly connected to the second connecting seat 5, and the rotation of the driving rod 6 can drive the second beam 2 to approach or move away from the first beam 1; two rotatable transmission wheels 21 are provided at both ends of the second beam 2. , the transmission wheel 21 is driven by the second motor 8, and a transmission chain 22 is provided on the transmission wheel 21; when the device is working, the load-bearing beam 91 is located above the column 92, and the two ends of the truss beam 93 are supported by the load-bearing beam 91 respectively. The device is located below the truss beam 93, and the first beam 1 is fixed with the load-bearing beam bolts. The first motor 62 drives the driving rod 6 to rotate, and the driving rod 6 drives the first connecting seat 4 connected to the positive thread and the second connecting seat 5 connected to the reverse thread to slide along the driving rod 6 and move closer or farther away from each other. The first connecting seat 4 drives the first connecting rod 41 to rotate, and the second connecting seat 5 drives the second connecting rod 51 to rotate. When the first connecting seat 4 and the second connecting seat 5 slide along the driving rod 6 and approach each other, the distance between the two distal ends of the first connecting rod 41 and the two distal ends of the second connecting rod 51 increases, so that the second beam 2 is away from the first beam 1 and the truss beam 93 located above the transmission chain 22 is moved by the transmission chain 22, and finally the truss beam 93 is lifted up and then moved to the end of the load-bearing beam.

[0018] Preferably, multiple jacking structures 3 are provided along the length direction of the first beam 1, and the driving rods 6 of adjacent jacking structures 3 are connected or fixedly connected by a coupling 61; the provision of multiple jacking mechanisms 3 increases the number of first connecting rods 41 and second connecting rods 51, thereby increasing the force strength of the second beam 2.

[0019] In this embodiment, the first connecting rod member 41 and the second connecting rod member 51 respectively include two connecting rods 42 arranged at intervals. The two connecting rods 42 are fixedly connected by a connecting member 43. The connecting member 43 increases the strength of the two connecting rods 42, making the installation of the connecting rods 42 more firm and strong.

[0020] In this embodiment, a pad 7 is provided between the lower side of the transmission chain 22 and the second beam 2 ; the pad 7 is a slide rail provided along the length direction of the transmission chain 22 , which supports the transmission chain 22 , and the transmission chain 11 moves on the pad 7 .

[0021] In this embodiment, the second beam 2 is an I-beam, the web of which is in a horizontal direction, and the transmission chain 22 is arranged around the web; the I-beam with a horizontal web provides space for the transmission chain 22 located below the web.

Claims

1. A device for moving a truss beam during construction, characterized in that: The invention comprises a first beam (1) and a second beam (2) located above the first beam (1); the first beam (1) and the second beam (2) are connected by a jacking structure (3); the jacking structure (3) comprises a first connecting seat (4), a second connecting seat (5), two first connecting rods (41) rotatably connected to the first connecting seat (4), and two second connecting rods (51) rotatably connected to the second connecting seat (5); the distal ends of the two first connecting rods (41) are rotatably connected to the first beam (1) and the second beam (2), respectively; the distal ends of the two second connecting rods (51) are respectively rotatably connected to the first beam (1) and the second beam (2), and the distal ends of the two second connecting rods (51) are respectively rotatably connected to the first beam (1) and the second beam (2). The first connecting seat (4) and the second connecting seat (5) are respectively connected to the first beam (1) and the second beam (2) in rotation; the first connecting seat (4) and the second connecting seat (5) are threadedly connected to a driving rod (6), the driving rod (6) has a forward thread and a reverse thread, the forward thread is threadedly connected to the first connecting seat (4), and the reverse thread is threadedly connected to the second connecting seat (5), and the driving rod (6) can drive the second beam (2) to approach or move away from the first beam (1) when it rotates; two rotatable transmission wheels (21) are provided at both ends of the second beam (2), and a transmission chain (22) is provided on the transmission wheel (21).

2. The device for moving a truss beam during construction as claimed in claim 1, wherein: A plurality of the jacking structures (3) are provided along the length direction of the first beam (1), and the driving rods (6) of adjacent jacking structures (3) are connected or fixedly connected using a coupling (61); the driving rods (6) are driven by a first motor (62).

3. The device for moving a truss beam during construction as claimed in claim 1, wherein: The first connecting rod member (41) and the second connecting rod member (51) each include two connecting rods (42) arranged at intervals, and the two connecting rods (42) are fixedly connected by a connecting member (43).

4. The device for moving a truss beam during construction as claimed in claim 1, wherein: A spacer (7) is provided between the lower side of the transmission chain (22) and the second beam (2).

5. The device for moving a truss beam during construction as claimed in claim 1, wherein: The second beam (2) is an I-beam, the web of the I-beam is in a horizontal direction, and the transmission chain (22) is arranged around the web.

6. The device for moving a truss beam during construction as claimed in claim 1, wherein: The transmission wheel (21) is driven by the second motor (8).

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