Suspension position adjusting device for suspension casting construction through arch-first and beam-second method

Abstract

The suspension position adjusting device comprises a cross beam, two rolling mechanisms, two suspension rod mechanisms and a pulling mechanism, the two rolling mechanisms are arranged on two arch ribs in a riding mode respectively, the cross beam is arranged on the rolling mechanisms, the suspension rod mechanisms are arranged at the two ends of the cross beam, and the pulling mechanism is arranged on the cross beam. A pulling mechanism is arranged between the two rolling mechanisms, the pulling mechanism is detachably connected with a corresponding connecting frame arranged between the two arch ribs, and compared with the prior art, the device can be suitable for cantilever casting construction of an arch-first beam-second method and is convenient to operate.

Description

Technical Field

[0001] The invention relates to the technical field of bridge construction, in particular to a suspension position adjusting device for suspended pouring construction using an arch-first-beam-later method. Background Art

[0002] During bridge construction, a common construction process is to use a hanging basket suspension system to suspend the hanging basket for cantilever casting construction. The formwork is first supported on the hanging basket formwork system, and then the concrete pouring construction is completed. The hanging basket casting construction has become a mature construction process.

[0003] The application (patent) number is: CN202122066895.7. The application (patent) number is: CN202122066895.7. A diamond-shaped hanging basket suspension system comprises a diamond-shaped main truss and a sling, a plurality of upper cross beams are arranged on the front end of the diamond-shaped main truss, the upper cross beams arranged horizontally symmetrically are connected by round tubes, positioning plates are welded on the upper cross beams, horizontally symmetrical jacks are arranged on the positioning plates, supports are provided between the horizontally symmetrical jacks, fixing holes are provided on the sides of the supports, an adjustment seat is provided at the upper end of the jack, and a positioning hole is provided in the middle of the adjustment seat, the sling passes through the positioning plate, and the lower part of the sling is connected to the hanging frame by a pin shaft, and a front lower cross beam is provided in the hanging frame. The hanging basket suspension system is generally suitable for cantilever construction of large-section continuous beam hanging baskets, and cannot be erected on the arch ribs of arch bridges for suspended casting construction using the arch-first-beam-later method. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the prior art and to provide a suspension position adjustment device for suspended casting construction using the arch-first-beam-later method, which can be applied to suspended casting construction using the arch-first-beam-later method and is easy to operate.

[0005] To achieve the above-mentioned purpose, the present invention proposes a suspension position adjustment device for suspended pouring construction using the arch-first-beam-later method, comprising a crossbeam, two rolling mechanisms, two suspension rod mechanisms and a pulling mechanism, wherein the two rolling mechanisms are respectively mounted on two arch ribs, a crossbeam is disposed on the rolling mechanism, suspension rod mechanisms are disposed at both ends of the crossbeam, a pulling mechanism is disposed between the two rolling mechanisms, and the pulling mechanism is detachably connected to a corresponding connecting frame disposed between the two arch ribs.

[0006] Preferably, the rolling mechanism includes a wheel seat, two guide wheels, a mounting beam and an adjustment support mechanism, the wheel seat is provided with two front and rear guide wheels, the front end of the support beam is hingedly connected to the wheel seat, the rear part of the wheel seat is provided with an adjustment support mechanism supporting the mounting beam, and the arch ribs are provided with blocking bodies for blocking the rear guide wheels.

[0007] Preferably, the adjustment support mechanism includes a sliding body, an adjusting rod and a twisting head. The wheel seat is provided with a sliding groove that cooperates with the sliding body. An adjusting rod that is inserted into the sliding body is rotatably arranged in the sliding groove. The adjusting rod is threadably connected to the sliding body. The rear end of the adjusting rod extends out of the wheel seat and is provided with a twisting head.

[0008] Preferably, the pulling mechanism comprises a rotating shaft, a reduction motor, two sprockets, two chains and two hooks, the reduction motor drives the rotating shaft to rotate, the rotating shaft is provided with a sprocket, the sprockets are provided with chains, and one end of the chain is provided with a hook.

[0009] Preferably, the chains in front of and behind the sprocket are connected by basket bolts.

[0010] Preferably, the suspension rod mechanism includes a lower shoulder pole beam, an upper shoulder pole beam, two jacks, a pin shaft, a sling and a plurality of pin holes, the lower shoulder pole beam is provided with a jack, the upper shoulder pole beam is provided with a jack, the lower shoulder pole beam and the upper shoulder pole beam are provided with slings, the slings are provided with pin holes arranged in sequence at intervals, and the upper shoulder pole beam is provided with a pin shaft located in the corresponding pin holes.

[0011] Beneficial effects of the present invention: The present invention places two rolling mechanisms on two arch ribs respectively, a cross beam is provided on the rolling mechanism, both ends of the cross beam are provided with a suspension rod mechanism, a pulling mechanism is provided between the two rolling mechanisms, the pulling mechanism is detachably connected to the corresponding connecting frame provided between the two arch ribs, when it is necessary to cast the lower segment beam, the rolling mechanism is pulled along the arch rib by the pulling mechanism, and the rolling mechanism drives the suspension rod mechanism to adjust its position through the cross beam, and does not require the cooperation of lifting equipment. Compared with the prior art, it can be applied to the suspended casting construction of the arch first and beam later method, and is easy to operate.

[0012] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a suspension position adjustment device for suspended pouring construction using the arch-first-beam-later method of the present invention; Figure 2 It is a side view of a suspension position adjusting device for suspended pouring construction using the arch-first-beam-later method of the present invention.

[0014] In the figure: 1-beam, 2-rolling mechanism, 3-suspender mechanism, 4-pulling mechanism, 5-connecting frame, 6-arch rib, 21-wheel seat, 22-guide wheel, 23-mounting beam, 24-adjusting support mechanism, 25-blocking body, 31-lower shoulder beam, 32-upper shoulder beam, 33-jack, 34-pin shaft, 35-sling, 36-pin hole, 41-rotating shaft, 42-reduction motor, 43-sprocket, 44-chain, 45-hook, 46-basket bolt, 241-sliding body, 242-adjusting rod, 243-screwing head. DETAILED DESCRIPTION

[0015] See also Figure 1 , Figure 2 The present invention discloses a suspension position adjustment device for suspended pouring construction using the arch-first-beam-later method, comprising a crossbeam 1, two rolling mechanisms 2, two suspension rod mechanisms 3 and a pulling mechanism 4, wherein the two rolling mechanisms 2 are respectively mounted on two arch ribs 6, the crossbeam 1 is arranged on the rolling mechanism 2, suspension rod mechanisms 3 are arranged at both ends of the crossbeam 1, a pulling mechanism 4 is arranged between the two rolling mechanisms 2, and the pulling mechanism 4 is detachably connected to a corresponding connecting frame 5 arranged between the two arch ribs.

[0016] The rolling mechanism 2 includes a wheel seat 21, two guide wheels 22, a mounting beam 23 and an adjustment support mechanism 24. The wheel seat 21 is provided with two front and rear guide wheels 22. The front end of the support beam 23 is hingedly connected to the wheel seat 21. The rear part of the wheel seat 21 is provided with an adjustment support mechanism 24 that supports the mounting beam 23. The arch ribs 6 are all provided with blocking bodies 25 that block the rear guide wheels 22.

[0017] The adjustment support mechanism 24 includes a sliding body 241, an adjustment rod 242 and a twisting head 243. The wheel seat 21 is provided with a slide groove 26 that matches the sliding body 241. An adjustment rod 242 that is inserted into the sliding body 241 is rotatably provided in the slide groove 26. The adjustment rod 242 is threadedly connected to the sliding body 241. The rear end of the adjustment rod 242 extends out of the wheel seat 21 and is provided with a twisting head 243.

[0018] The pulling mechanism 4 includes a rotating shaft 41, a reduction motor 42, two sprockets 43, two chains 44 and two hooks 45. The reduction motor 42 drives the rotating shaft 41 to rotate. The rotating shaft 41 is provided with a sprocket 43. The sprockets 43 are each provided with a chain 44. One end of each chain 44 is provided with a hook 45.

[0019] The chains 44 in front of and behind the sprocket 43 are connected by a turnbuckle bolt 46 .

[0020] The suspension rod mechanism 3 includes a lower shoulder pole beam 31, an upper shoulder pole beam 32, two jacks 33, a pin shaft 34, a sling 35 and a plurality of pin holes 36. The lower shoulder pole beam 31 is provided with a jack 33, the jack 33 is provided with an upper shoulder pole beam 32, the lower shoulder pole beam 31 and the upper shoulder pole beam 32 are provided with a sling 35, the sling 35 is provided with pin holes 36 arranged in sequence at intervals, and the upper shoulder pole beam 32 is provided with a pin shaft 34 located in the corresponding pin holes 36.

[0021] Working process of the present invention: During the working process of the suspension position adjustment device for suspended casting construction using the arch-first-beam-later method of the present invention, when it is necessary to cast the lower segment beam, the basket bolt 46 is removed, the reduction motor 42 is started to drive the rotating shaft 41 to rotate, the rotating shaft 41 drives the sprocket 43 to rotate, the sprocket 43 pulls the chain 44, and since the chain 44 is fixed on the connecting frame 5, the rolling mechanism 2 is pulled to move along the arch rib 6, and the rolling mechanism 2 drives the suspension rod mechanism 3 to adjust the position through the crossbeam 1. After the adjustment is completed, the chain 44 in front of and behind the sprocket 43 is connected by the basket bolt 46, and the blocking body 25 is fixed on the corresponding arch rib 6 to block the rear guide wheel 22. Compared with the prior art, it can be applicable to the suspended casting construction using the arch-first-beam-later method and is easy to operate.

[0022] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.

Claims

1. A suspension position adjustment device for suspended pouring construction using the arch-first-beam-later method, characterized in that: The invention comprises a crossbeam (1), two rolling mechanisms (2), two suspension rod mechanisms (3) and a pulling mechanism (4), wherein the two rolling mechanisms (2) are respectively mounted on two arch ribs (6), the crossbeam (1) is arranged on the rolling mechanism (2), suspension rod mechanisms (3) are arranged at both ends of the crossbeam (1), a pulling mechanism (4) is arranged between the two rolling mechanisms (2), and the pulling mechanism (4) is detachably connected to a corresponding connecting frame (5) arranged between the two arch ribs (6).

2. A suspension position adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in claim 1, characterized in that: The rolling mechanism (2) comprises a wheel seat (21), two guide rail wheels (22), a mounting beam (23) and an adjustment support mechanism (24); the wheel seat (21) is provided with two front and rear guide rail wheels (22); the front end of the support beam (23) is hingedly connected to the wheel seat (21); the rear part of the wheel seat (21) is provided with an adjustment support mechanism (24) for supporting the mounting beam (23); and the arch ribs (6) are provided with a blocking body (25) for blocking the rear guide rail wheel (22).

3. The suspension position adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in claim 1, characterized in that: The adjusting support mechanism (24) comprises a sliding body (241), an adjusting rod (242) and a twisting head (243); a sliding groove (26) matching with the sliding body (241) is provided on the wheel seat (21); an adjusting rod (242) penetrating the sliding body (241) is rotatably provided in the sliding groove (26); the adjusting rod (242) is threadably connected to the sliding body (241); a rear end of the adjusting rod (242) extends out of the wheel seat (21) and is provided with a twisting head (243).

4. The suspension position adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in claim 1, characterized in that: The pulling mechanism (4) comprises a rotating shaft (41), a reduction motor (42), two sprocket wheels (43), two chains (44) and two hooks (45); the reduction motor (42) drives the rotating shaft (41) to rotate; the rotating shaft (41) is provided with a sprocket wheel (43); the sprocket wheels (43) are provided with chains (44); and one end of each chain (44) is provided with a hook (45).

5. A suspension position adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in claim 4, characterized in that: The chains (44) in front of and behind the sprocket (43) are connected via a turnbuckle bolt (46).

6. A suspension position adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in any one of claims 1 to 5, characterized in that: The suspension rod mechanism (3) comprises a lower shoulder pole beam (31), an upper shoulder pole beam (32), two jacks (33), a pin shaft (34), a sling (35) and a plurality of pin holes (36); the lower shoulder pole beam (31) is provided with a jack (33); the upper shoulder pole beam (32) is provided with a sling (35); the lower shoulder pole beam (31) and the upper shoulder pole beam (32) are provided with a sling (35); the sling (35) is provided with pin holes (36) arranged in sequence at intervals; and the upper shoulder pole beam (32) is provided with a pin shaft (34) located in the corresponding pin holes (36).

Images