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

Abstract

The suspension height adjusting device comprises a lower base, two sliding mechanisms, an upper base, two hanging belts and a lifting driving mechanism, the front sliding mechanism and the rear sliding mechanism are arranged between the lower base and the upper base, each sliding mechanism comprises a sliding seat, the hanging belts are arranged on the sliding seats, and the hanging belts are arranged on the lifting driving mechanism. A lifting driving mechanism is arranged on the upper base and the lower base, the lifting driving mechanism comprises a driving power source, a pulley block and a transmission mechanism, the driving power source is connected with the free end of a steel wire rope I wound on the pulley block, a movable pulley block of the pulley block is connected with the transmission mechanism, and the transmission mechanism is connected with the sliding seat. The pulley block drives the sliding base to ascend through the transmission mechanism under the acting force of the driving power source, and compared with the prior art, operation can be convenient and fast, and operation synchronism is good.

Description

Technical Field

[0001] The invention relates to the technical field of bridge construction, in particular to a suspension height adjustment 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, which is a diamond-shaped hanging basket suspension system, including a diamond-shaped main truss and a sling. A plurality of upper beams are provided on the front end of the diamond-shaped main truss. The horizontally symmetrically arranged upper beams are connected by round tubes. Positioning plates are welded on the upper beams, and horizontally symmetrical jacks are provided on the positioning plates. Supports are provided between the horizontally symmetrical jacks, fixing holes are provided on the sides of the supports, and an adjustment seat is provided at the upper end of the jack. 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. A front lower beam is provided in the hanging frame. Since the steel plate sling needs to be lifted with a mechanical jack, there are disadvantages of slow lifting speed and inconsistent lifting heights at each point. 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 height adjustment device for suspended pouring construction using the arch-first-beam-later method, which is easy and quick to operate and has good operation synchronization.

[0005] To achieve the above-mentioned purpose, the present invention proposes a suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method, comprising a lower base, two sliding mechanisms, an upper base, two slings and a lifting drive mechanism, wherein two front and rear sliding mechanisms are arranged between the lower base and the upper base, the sliding mechanism comprises a slide seat, and the slide seats are both provided with slings, and the upper base and the lower base are provided with a lifting drive mechanism, and the lifting drive mechanism comprises a driving power source, a pulley block and a transmission mechanism, the driving power source is connected to the free end of a steel wire rope I wound on the pulley block, the movable pulley block of the pulley block is connected to the transmission mechanism, and the transmission mechanism is connected to the slide seat, and the pulley block drives the slide seat to move upward through the transmission mechanism under the action of the driving power source.

[0006] Preferably, the driving power source is a hydraulic cylinder.

[0007] Preferably, a slot is provided at the rear of the upper base, and two upper and lower guide wheels III are provided in the slot. The free end of the wire rope I passes through the slot and is connected to the driving power source, and the wire rope I passing through the slot is supported by the guide wheel III.

[0008] Preferably, the transmission mechanism includes two support arms, a plurality of support wheels, a plurality of guide wheels I and a wire rope II. The upper ends of the two support arms are respectively hingedly connected to the corresponding sliding seats, and the lower ends of the support arms are respectively provided with shafts, and both ends of the shafts are respectively provided with support wheels pressed on the lower base. A guide wheel I is provided on the lower base between the lower end of the front support arm and the front sliding mechanism, and a guide wheel I is provided on the lower base between the lower end of the rear support arm and the rear sliding mechanism. Two guide wheels I are provided on the lower base between the lower ends of the two support arms, and a wire rope II is provided on the guide wheel I, and the two ends of the wire rope II are respectively fixedly connected to the lower ends of the two support arms.

[0009] Preferably, a guide wheel II arranged on a movable pulley block is hung on the steel wire rope II between the two middle guide wheels I.

[0010] Preferably, the sliding mechanism also includes two groove seats and two wheel frames, each of the wheel frames is provided with a plurality of rollers located in the corresponding groove seats, the rollers on the wheel frames are arranged in two rows, front and rear, the rollers in the front row are supported on the front inner wall of the groove seat, and the rollers in the rear row are supported on the rear inner wall of the groove seat, and the wheel frames are provided with sliding seats.

[0011] Preferably, an adjustment support mechanism is provided at the lower end of the slide, and the adjustment support mechanism includes a screw rod, which is passed through the slide and threadedly connected to the slide, and a seat body is provided at the lower end of the screw rod, and a nut threadedly connected to the screw rod is sleeved on the screw rod, and the nut is pressed on the slide.

[0012] Preferably, two ends of the sling pass through the lower base and the upper base respectively, the sling is provided with pin holes arranged in sequence, the sliding seat is provided with pin shafts, and the pin shafts are passed through the corresponding pin holes.

[0013] Preferably, a shoulder pole beam is provided at the lower ends of the two slings, and a connecting belt is provided in the middle of the shoulder pole beam.

[0014] Beneficial effects of the present invention: the present invention connects the driving power source with the free end of the steel wire rope I wound on the pulley block, connects the movable pulley block of the pulley block with the transmission mechanism, and the transmission mechanism is connected to the slide seat. The pulley block drives the slide seat to move upward through the transmission mechanism under the action of the driving power source, and the slide seat drives the sling thereon to move upward. Compared with the prior art, the present invention can be operated conveniently and quickly, and the operation synchronization is good.

[0015] 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

[0016] Figure 1It is a structural schematic diagram of a suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method of the present invention; Figure 2 It is a partial side view of a suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method of the present invention.

[0017] In the figure: 1-lower base, 2-sliding mechanism, 3-upper base, 4-sling, 5-pin hole, 6-lifting drive mechanism, 7-pin shaft, 8-slot hole, 9-guide wheel III, 10-adjusting support mechanism, 11-shoulder beam, 12-connecting belt, 21-sliding seat, 22-slot seat, 23-wheel frame, 24-roller, 61-driving power source, 62-pulley block, 63-transmission mechanism, 101-screw, 102-seat body, 103-nut, 631-support arm, 632-support wheel, 633-guide wheel I, 634-wire rope II, 635-axis body, 636-guide wheel II. DETAILED DESCRIPTION

[0018] See also Figure 1 , Figure 2 The present invention discloses a suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method, comprising a lower base 1, two sliding mechanisms 2, an upper base 3, two slings 4 and a lifting drive mechanism 6, wherein two front and rear sliding mechanisms 2 are arranged between the lower base 1 and the upper base 3, the sliding mechanism 2 comprises a slide 21, and slings 4 are arranged on the slide 21, and a lifting drive mechanism 6 is arranged on the upper base 3 and the lower base 1, and the lifting drive mechanism 6 comprises a driving power source 61, a pulley block 62 and a transmission mechanism 63, the driving power source 61 is connected to the free end of a steel wire rope 1 wound on the pulley block 62, the movable pulley block of the pulley block 62 is connected to the transmission mechanism 63, and the transmission mechanism 63 is connected to the slide 21, and the pulley block 62 drives the slide 21 to move upward through the transmission mechanism 63 under the action of the driving power source 61.

[0019] The driving power source 61 is a hydraulic cylinder.

[0020] A slot hole 8 is provided at the rear of the upper base 3, and two upper and lower guide wheels III9 are provided in the slot hole 8. The free end of the wire rope I passes through the slot hole 8 and is connected to the driving power source 61, and the wire rope I passing through the slot hole 8 is supported by the guide wheel III9.

[0021] The transmission mechanism 63 includes two support arms 631, a plurality of support wheels 632, a plurality of guide wheels I633 and a steel wire rope II634. The upper ends of the two support arms 631 are respectively hingedly connected to the corresponding slide seats 21. The lower ends of the support arms 631 are respectively provided with shafts 635. Both ends of the shafts 635 are provided with support wheels 632 pressed on the lower base 1. A guide wheel I633 is provided on the lower base 1 between the lower end of the front support arm 631 and the front sliding mechanism 2. A guide wheel I633 is provided on the lower base 1 between the lower end of the rear support arm 631 and the rear sliding mechanism 2. Two guide wheels I633 are provided on the lower base 1 between the lower ends of the two support arms 631. A steel wire rope II634 is provided on the guide wheel I633. Both ends of the steel wire rope II634 are respectively fixedly connected to the lower ends of the two support arms 631.

[0022] A guide wheel II636 arranged on a movable pulley block is hung on a steel wire rope II634 between the two middle guide wheels I633.

[0023] The sliding mechanism 2 also includes two groove seats 22 and two wheel frames 23. The wheel frames 23 are each provided with a plurality of rollers 24 located in the corresponding groove seats 22. The rollers 24 on the wheel frames 23 are arranged in two rows, front and rear. The rollers 24 in the front row are supported on the front inner wall of the groove seat 22, and the rollers 24 in the rear row are supported on the rear inner wall of the groove seat 22. The wheel frames 23 are provided with a sliding seat 21.

[0024] An adjustment support mechanism 10 is provided at the lower end of the slide 21, and the adjustment support mechanism 10 includes a screw rod 101, which is passed through the slide 21 and threadedly connected thereto, a seat body 102 is provided at the lower end of the screw rod 101, a nut 103 threadedly connected thereto is sleeved on the screw rod 101, and the nut 103 is pressed on the slide 21.

[0025] Two ends of the sling 4 pass through the lower base 1 and the upper base 3 respectively. The sling 4 is provided with pin holes 5 arranged in sequence. The slide seat 21 is provided with pin shafts 7, and the pin shafts 7 are inserted into the corresponding pin holes 5.

[0026] A shoulder pole beam 11 is disposed at the lower ends of the two slings 4 , and a connecting belt 12 is disposed in the middle of the shoulder pole beam 11 .

[0027] Working process of the present invention: During the operation of the suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method of the present invention, the driving power source 61 is started to pull the wire rope I, the wire rope I pulls the movable pulley block to move upward, the movable pulley block pulls the wire rope II634 upward through the guide wheel II636, the wire rope II634 pulls the two support arms 631 to move closer to the corresponding sliding mechanism 2, the support arms 631 push the corresponding sliding seat 21 to move upward, the sliding seat 21 drives the corresponding sling 4 to move upward through the pin shaft 7, after the adjustment is completed, the driving power source 61 is stopped and the nut 103 is loosened, and then the screw 101 is rotated, the screw 101 moves downward and drives the seat body 102 until the seat body 102 is pressed on the lower base 1, and then the nut 103 is tightened.

[0028] 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 height adjustment device for suspended pouring construction using the arch-first-beam-later method, characterized in that: The invention comprises a lower base (1), two sliding mechanisms (2), an upper base (3), two slings (4) and a lifting drive mechanism (6), wherein two front and rear sliding mechanisms (2) are arranged between the lower base (1) and the upper base (3), the sliding mechanism (2) comprises a slide seat (21), and the slide seat (21) is provided with a sling (4), the upper base (3) and the lower base (1) are provided with a lifting drive mechanism (6), and the lifting drive mechanism (6) comprises a driving power source (61), a pulley block (62) and a transmission mechanism (63), the driving power source (61) is connected to the free end of a steel wire rope I wound around the pulley block (62), the movable pulley block of the pulley block (62) is connected to the transmission mechanism (63), and the transmission mechanism (63) is connected to the slide seat (21), and the pulley block (62) drives the slide seat (21) to move upward through the transmission mechanism (63) under the action of the driving power source (61).

2. A suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in claim 1, characterized in that: The driving power source (61) is a hydraulic cylinder.

3. The suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in claim 1, characterized in that: A slot hole (8) is provided at the rear of the upper base (3), and two upper and lower guide wheels III (9) are provided in the slot hole (8). The free end of the steel wire rope I passes through the slot hole (8) and is connected to the driving power source (61), and the steel wire rope I passing through the slot hole (8) is supported by the guide wheel III (9).

4. The suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in claim 1, characterized in that: The transmission mechanism (63) comprises two support arms (631), a plurality of support wheels (632), a plurality of guide wheels I (633) and a steel wire rope II (634). The upper ends of the two support arms (631) are respectively hingedly connected to the corresponding slide seats (21). The lower ends of the support arms (631) are each provided with an axle body (635). Both ends of the axle body (635) are provided with support wheels (632) pressed on the lower base (1). The lower ends of the support arms (631) are connected to the slide mechanism (2) in front. A guide wheel I (633) is provided on the lower base (1) between the lower ends of the rear support arms (631), a guide wheel I (633) is provided on the lower base (1) between the lower ends of the two support arms (631), two guide wheels I (633) are provided on the lower base (1) between the lower ends of the two support arms (631), a steel wire rope II (634) is provided on the guide wheel I (633), and two ends of the steel wire rope II (634) are respectively fixedly connected to the lower ends of the two support arms (631).

5. A suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in claim 4, characterized in that: A guide wheel II (636) arranged on the movable pulley block is hung on the steel wire rope II (634) between the two middle guide wheels I (633).

6. The suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in claim 1, characterized in that: The sliding mechanism (2) further comprises two groove seats (22) and two wheel frames (23), each of the wheel frames (23) being provided with a plurality of rollers (24) located in the corresponding groove seats (22), the rollers (24) on the wheel frames (23) being arranged in two rows, front and rear, the rollers (24) in the front row being supported on the front inner side wall of the groove seats (22), and the rollers (24) in the rear row being supported on the rear inner side wall of the groove seats (22), and the wheel frames (23) being provided with a sliding seat (21).

7. The suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in claim 1, characterized in that: An adjusting support mechanism (10) is provided at the lower end of the slide seat (21), the adjusting support mechanism (10) comprising a screw rod (101), the screw rod (101) being passed through the slide seat (21) and being threadedly connected thereto, a seat body (102) being provided at the lower end of the screw rod (101), a nut (103) being sleeved on the screw rod (101) and being threadedly connected thereto, the nut (103) being pressed onto the slide seat (21).

8. The suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in claim 1, characterized in that: The two ends of the sling (4) pass through the lower base (1) and the upper base (3) respectively. The sling (4) is provided with pin holes (5) arranged in sequence. The sliding seat (21) is provided with a pin shaft (7). The pin shaft (7) is inserted into the corresponding pin hole (5).

9. A suspension height adjustment device for suspended pouring construction using the arch-first-beam-later method as claimed in any one of claims 1 to 8, characterized in that: A shoulder pole beam (11) is provided at the lower ends of the two slings (4), and a connecting belt (12) is provided in the middle of the shoulder pole beam (11).

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