Safety supporting bracket for bridge construction

Abstract

The utility model relates to the technical field of bridge supporting brackets, in particular to a bridge construction safety supporting bracket which comprises a hydraulic suspension heavy load vehicle, a lifting supporting device and a lifting platform. The hydraulic suspension heavy load vehicle comprises a supporting bottom plate, a hydraulic suspension load chassis arranged on the lower surface of the supporting bottom plate and an operating mechanism arranged at one end of the bottom plate. The one or more lifting supporting devices are arranged on the supporting bottom plate; the lifting platform is arranged on the top of each lifting supporting device. The hydraulic suspension heavy-load vehicle is adopted as a walking mechanism and a supporting mechanism, the advantages that the hydraulic suspension heavy-load vehicle is large in load capacity and convenient to move are utilized, the hydraulic suspension heavy-load vehicle can be used for supporting and lifting heavy-mass parts in the bridge construction process, and a lifting platform is independently arranged on each lifting supporting device arranged on the hydraulic suspension heavy-load vehicle; and the height of each lifting platform can be independently adjusted, so that the height and the angle of a lifted object can be conveniently adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge support brackets, and more specifically, particularly relates to a safe support bracket for bridge construction. Background Art

[0002] The prior art, such as the utility model patent with announcement number CN208362937U, discloses a movable support bracket for bridge construction, and the utility model patent with announcement number CN217419354U discloses a stabilizing device for a movable operating frame for bridge construction, which mainly includes a walking mechanism, a supporting mechanism, and a lifting device. However, the bracket for bridge construction requires a large load capacity, and the strength of the mobile walking chassis of the supporting mechanism of the above device is not enough to complete the task of supporting and lifting the bridge, and the lifting device is integrated, and the height of each support position is not easy to adjust separately, which cannot better adapt to the work of supporting and lifting the installation of the bridge. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.

[0004] A safe support bracket for bridge construction comprises a hydraulically suspended heavy-load vehicle, a lifting support device and a lifting platform; the hydraulically suspended heavy-load vehicle comprises a supporting base plate, a hydraulically suspended load-bearing chassis arranged on the lower surface of the supporting base plate, and an operating mechanism arranged at one end of the base plate; one or more lifting support devices are arranged on the supporting base plate; the lifting platform is arranged on the top of each lifting support device.

[0005] Furthermore, three lifting support devices are arranged on the supporting bottom plate, and the three lifting support devices are arranged in a triangle.

[0006] Furthermore, the lifting support device is a lifting support hydraulic cylinder.

[0007] Furthermore, a support column is provided on the upper end surface of the output end of the lifting support device, and the lifting platform is fixed to the upper end surface of the support column.

[0008] Furthermore, a plurality of stiffening plates are arranged on the outer side of the upper end of the support column, and the plurality of stiffening plates are distributed in a ring array, and the upper end surface of the stiffening plate is fixed to the lower surface of the lifting platform.

[0009] Furthermore, warning lights are provided at both ends of the top of the operating mechanism and at both ends of the upper surface of the supporting base plate away from the operating mechanism.

[0010] Furthermore, the hydraulic suspension load-carrying chassis includes a slewing bearing, wheels, an axle and a steering system, the slewing bearing includes an inner ring and an outer ring, the inner ring and the outer ring are rotatable relative to each other, the outer ring is horizontally fixed on the support base plate, a support seat is fixed in the inner ring, a steering crank arm is provided on the top surface of the support seat, the bottom surface of the support seat is connected to the axle, the wheel is mounted on the axle, and the steering system includes a steering hydraulic cylinder, the steering hydraulic cylinder is horizontally mounted below the support base plate and the piston rod is hinged to the steering crank arm.

[0011] Furthermore, the axle includes a driving axle and a driven axle, and the driven axle is provided with a braking device. The two ends of the driving axle and the driven axle are respectively connected to the front slewing bearing and the rear slewing bearing, and a slewing arm is provided between the front slewing bearing and the rear slewing bearing. The steering crank arm is hinged with a steering rod, and the end of the steering rod away from the steering crank arm is hinged to the end of the slewing arm. There are two steering hydraulic cylinders, and the cylinder bodies of the two steering hydraulic cylinders are hinged to the supporting bottom plate, and the piston rods of the two steering hydraulic cylinders are respectively hinged to the two ends of the slewing arm.

[0012] Furthermore, the hydraulic suspension load-carrying chassis also includes a traveling system, which includes an engine, a coupling, a transfer case, a drive variable pump, a differential lock control valve group, a hydraulic motor and a wheel-side reducer connected in sequence, the hydraulic motor and the wheel-side reducer are both installed on the driving axle, and the traveling system is connected to the operating mechanism.

[0013] Furthermore, the hydraulic suspension load-bearing chassis also includes a hydraulic suspension system, which includes a first support rod, a second support rod and a lifting hydraulic cylinder, one end of the first support rod is installed on the bottom surface of the support seat, the other end of the first support rod is hinged to one end of the second support rod, the other end of the second support rod is hinged to the axle, the cylinder body of the lifting hydraulic cylinder is hinged to the bottom surface of the support seat, the piston rod of the lifting hydraulic cylinder is hinged to the middle part of the second support rod, and the hydraulic suspension system is connected to the operating mechanism.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The bridge construction safety support bracket in the utility model adopts a hydraulic suspension heavy-duty vehicle as a walking mechanism and a supporting mechanism, and utilizes the advantages of the hydraulic suspension heavy-duty vehicle having a large load capacity and being easy to move, and can be used to support and lift heavier parts during the bridge construction process. In addition, a lifting platform is separately provided on each lifting support device provided on the hydraulic suspension heavy-duty vehicle, and the height of each lifting platform can be adjusted separately, which is convenient for adjusting the height and angle of the lifted object. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of a safety support bracket for bridge construction in an embodiment of the utility model.

[0018] Figure 2 It is a partial structural schematic diagram of a safety support bracket for bridge construction in an embodiment of the utility model.

[0019] Figure 3 It is a top view of the hydraulic suspension load-carrying chassis in the embodiment of the utility model.

[0020] Figure 4 It is a three-dimensional diagram of the hydraulic suspension load-carrying chassis in the embodiment of the utility model.

[0021] Figure 5 It is a stereoscopic view from another perspective of the hydraulic suspension load-carrying chassis in the embodiment of the utility model.

[0022] In the figure: 1. Support base plate; 2. Operating mechanism; 3. Lifting support device; 4. Lifting platform; 5. Support column; 6. Stiffening plate; 7. Warning light; 8. Wheel; 9. Inner ring; 10. Outer ring; 11. Support seat; 12. Steering crank arm; 13. Steering hydraulic cylinder; 14. Driving axle; 15. Driven axle; 16. Rotating arm; 17. Steering tie rod; 18. First support rod; 19. Second support rod; 20. Lifting hydraulic cylinder; 21. Protective enclosure. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1-Figure 5 As shown, the bridge construction safety support bracket in this embodiment includes a hydraulic suspension heavy-load vehicle, a lifting support device 3 and a lifting platform 4. The hydraulic suspension heavy-load vehicle includes a supporting bottom plate 1, a hydraulic suspension load chassis arranged on the lower surface of the supporting bottom plate 1, and an operating mechanism 2 arranged at one end of the bottom plate. Three lifting support devices 3 are distributed in a triangular shape and fixed on the supporting bottom plate 1. A lifting platform 4 is arranged on the top surface of each lifting support device 3.

[0025] In this embodiment, the lifting support device 3 is a lifting support hydraulic cylinder, the cylinder body of the lifting support hydraulic cylinder is fixed on the support bottom plate 1, the top surface of the piston rod of the lifting support hydraulic cylinder is fixed with a support column 5, and the lifting platform 4 is fixed to the upper end surface of the support column 5. Preferably, a plurality of stiffening plates 6 are arranged on the outer side of the upper end of the support column 5, and the plurality of stiffening plates 6 are in a right-angled triangle structure and are distributed in a ring array form, and the upper end surface of the stiffening plate 6 is fixed to the lower surface of the lifting platform 4, thereby improving the stability of the lifting platform 4.

[0026] In this embodiment, warning lights 7 are provided at both ends of the top of the operating mechanism 2 and at both ends of the upper surface of the supporting base plate 1 away from the operating mechanism 2. The warning lights 7 light up when the bridge construction safety support bracket is in use to warn people to stay away.

[0027] In this embodiment, the operating mechanism 2 is provided with an electrical control system, which includes an operating panel, a control switch, a PLC controller and a detection instrument that are interconnected, and the warning light 7 is connected to the electrical control system.

[0028] In this embodiment, the hydraulic suspension load-carrying chassis includes a slewing bearing, wheels 8, an axle and a steering system. The slewing bearing includes an inner ring 9 and an outer ring 10. The inner ring 9 and the outer ring 10 can rotate relative to each other. The outer ring 10 is horizontally fixed on the supporting base plate 1. A support seat 11 is fixed in the inner ring 9. A steering arm 12 is provided on the top surface of the support seat 11. The bottom surface of the support seat 11 is connected to the axle. The wheel 8 is installed on the axle. The steering system includes a steering hydraulic cylinder 13. The steering hydraulic cylinder 13 is horizontally installed below the supporting base plate 1 and the piston rod is hinged to the steering arm 12.

[0029] The axle is composed of a driving axle 14 and a driven axle 15. The driven axle 15 is provided with a braking device (not shown in the figure). The two ends of the driving axle 14 and the driven axle 15 are respectively connected to the front slewing bearing and the rear slewing bearing. A slewing arm 16 is provided between the front slewing bearing and the rear slewing bearing. The steering crank arm 12 is hinged with a steering rod 17. The end of the steering rod 17 away from the steering crank arm 12 is hinged to the end of the slewing arm 16. Two steering hydraulic cylinders 13 are provided. The cylinder bodies of the two steering hydraulic cylinders 13 are hinged to the supporting base plate 1, and the piston rods of the two steering hydraulic cylinders 13 are respectively hinged to the two ends of the slewing arm 16.

[0030] The hydraulic suspension load-carrying chassis also includes a traveling system (not shown in the figure), which includes an engine, a coupling, a transfer case, a drive variable pump, a differential lock control valve group, a hydraulic motor and a wheel-side reducer connected in sequence. The hydraulic motor and the wheel-side reducer are both installed on the drive axle 14, and the traveling system is connected to the electrical control system.

[0031] The hydraulic suspension load-carrying chassis also includes a hydraulic suspension system, which includes a first support rod 18, a second support rod 19 and a lifting hydraulic cylinder 20. One end of the first support rod 18 is installed on the bottom surface of the support seat 11, the other end of the first support rod 18 is hinged to one end of the second support rod 19, the other end of the second support rod 19 is hinged to the axle, the cylinder body of the lifting hydraulic cylinder 20 is hinged to the bottom surface of the support seat 11, the piston rod of the lifting hydraulic cylinder 20 is hinged to the middle part of the second support rod 19, and the hydraulic suspension system is connected to the electrical control system.

[0032] In this embodiment, a protective panel 21 is fixed to the edge of the lower surface of the supporting base plate 1, and the protective panel 21 is arranged around the outer side of the slewing bearing, so as to protect the slewing bearing.

[0033] The working principle of the bridge construction safety support bracket in this embodiment is:

[0034] A hydraulically suspended heavy-duty vehicle is adopted as the traveling mechanism and supporting mechanism. By utilizing the advantages of the hydraulically suspended heavy-duty vehicle's large load capacity and easy mobility, it can be used to support and lift heavier parts during bridge construction. In addition, a lifting platform 4 is separately arranged on each lifting support device 3 provided on the hydraulically suspended heavy-duty vehicle, and the height of each lifting platform 4 can be adjusted separately, so as to facilitate the adjustment of the height and angle of the lifted object.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A bridge construction safety support bracket, characterized in that: include: A hydraulically suspended heavy-load vehicle comprises a supporting base plate (1), a hydraulically suspended load-carrying chassis arranged on the lower surface of the supporting base plate (1), and an operating mechanism (2) arranged at one end of the base plate; One or more lifting support devices (3) are arranged on the supporting base plate (1); A lifting platform (4), wherein the top of each lifting support device (3) is provided with the lifting platform (4).

2. The bridge construction safety support bracket according to claim 1, characterized in that: Three lifting support devices (3) are arranged on the supporting base plate (1), and the three lifting support devices (3) are arranged in a triangle.

3. The bridge construction safety support bracket according to claim 2 is characterized in that: The lifting support device (3) is a lifting support hydraulic cylinder.

4. The bridge construction safety support bracket according to claim 3 is characterized in that: A support column (5) is provided on the upper end surface of the output end of the lifting support device (3), and the lifting platform (4) is fixed to the upper end surface of the support column (5).

5. The bridge construction safety support bracket according to claim 4, characterized in that: A plurality of stiffening plates (6) are arranged on the outer side of the upper end of the support column (5), and the plurality of stiffening plates (6) are distributed in the form of a ring array, and the upper end surface of the stiffening plate (6) is fixed to the lower surface of the lifting platform (4).

6. The bridge construction safety support bracket according to claim 5, characterized in that: Warning lights (7) are provided at both ends of the top of the operating mechanism (2) and at both ends of the upper surface of the supporting base plate (1) on a side away from the operating mechanism (2).

7. The bridge construction safety support bracket according to claim 1, characterized in that: The hydraulic suspension load-carrying chassis comprises a slewing bearing, a wheel (8), an axle and a steering system. The slewing bearing comprises an inner ring (9) and an outer ring (10). The inner ring (9) and the outer ring (10) are relatively rotatable. The outer ring (10) is horizontally fixed on the support base plate (1). A support seat (11) is fixedly provided in the inner ring (9). A steering crank arm (12) is provided on the top surface of the support seat (11). The bottom surface of the support seat (11) is connected to the axle. The wheel (8) is mounted on the axle. The steering system comprises a steering hydraulic cylinder (13). The steering hydraulic cylinder (13) is horizontally mounted below the support base plate (1) and a piston rod is hinged to the steering crank arm (12).

8. The bridge construction safety support bracket according to claim 7, characterized in that: The axle comprises a driving axle (14) and a driven axle (15), and a braking device is provided on the driven axle (15). The two ends of the driving axle (14) and the driven axle (15) are respectively connected to a front slewing bearing and a rear slewing bearing, and a slewing arm (16) is provided between the front slewing bearing and the rear slewing bearing. The steering crank arm (12) is hinged with a steering tie rod (17), and one end of the steering tie rod (17) away from the steering crank arm (12) is hinged to the end of the slewing arm (16). Two steering hydraulic cylinders (13) are provided, and the cylinder bodies of the two steering hydraulic cylinders (13) are hinged to the support base plate (1), and the piston rods of the two steering hydraulic cylinders (13) are respectively hinged to the two ends of the slewing arm (16).

9. The bridge construction safety support bracket according to claim 8, characterized in that: The hydraulic suspension load-carrying chassis also includes a travel system, which includes an engine, a coupling, a transfer case, a drive variable pump, a differential lock control valve group, a hydraulic motor and a wheel-side reducer connected in sequence, and the hydraulic motor and the wheel-side reducer are both installed on the drive axle (14). The travel system is connected to the operating mechanism (2).

10. The bridge construction safety support bracket according to claim 9, characterized in that: The hydraulic suspension load-carrying chassis also includes a hydraulic suspension system, which includes a first support rod (18), a second support rod (19) and a lifting hydraulic cylinder (20), one end of the first support rod (18) is installed on the bottom surface of the support seat (11), the other end of the first support rod (18) is hinged to one end of the second support rod (19), the other end of the second support rod (19) is hinged to the axle, the cylinder body of the lifting hydraulic cylinder (20) is hinged to the bottom surface of the support seat (11), the piston rod of the lifting hydraulic cylinder (20) is hinged to the middle part of the second support rod (19), and the hydraulic suspension system is connected to the operating mechanism (2).

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