Prefabricated box culvert turnover device

Abstract

The utility model discloses a prefabricated box culvert turnover device which comprises an L-shaped support capable of containing a prefabricated box culvert, the L-shaped support is arranged at the upper end of a transportation frame, the bottom of the L-shaped support is connected with the transportation frame through a first hinge assembly, a first supporting frame set is arranged on one side of the first hinge assembly, and a second supporting frame set is arranged on the other side of the first hinge assembly. According to the box culvert turnover device, simple mechanical structures such as the L-shaped supports, the hinge assemblies and the supporting frame sets are adopted, the structure is compact, mounting and dismounting are easy, meanwhile, turnover of the box culvert can be achieved only by controlling the hydraulic driving part by an operator, operation is easy and convenient, and mastering is easy. And the hydraulic driving part provides stable power output, so that the overturning speed and angle can be accurately controlled, the stability of the overturning process is ensured, and the problems of collision, inclination and the like of the box culvert are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to overturning technical field, concretely relates to a prefabricated box culvert overturning device. BACKGROUND

[0002] The prefabricated box culvert is a common engineering structure, which needs to be transported to the construction site for installation after prefabrication. During transportation, the prefabricated box culvert usually needs to be overturned for adjusting the center of gravity.

[0003] The traditional prefabricated box culvert overturning method mainly relies on manual overturning with hoisting equipment, which requires a large amount of manpower and has a high safety risk, and is prone to personnel casualty accidents. In addition, it is difficult to accurately control the overturning speed and angle by manual operation, which may cause the box culvert to collide or tilt during the overturning process, thereby damaging the box culvert and affecting the engineering quality. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a prefabricated box culvert overturning device to overcome the problems of the prior art, i.e., relying on manual overturning with hoisting equipment, requiring a large amount of manpower, having a high safety risk, being prone to personnel casualty accidents, and being difficult to accurately control the overturning speed and angle by manual operation, which may cause the box culvert to collide or tilt during the overturning process, thereby damaging the box culvert and affecting the engineering quality.

[0005] The utility model is implemented by the following technical solutions:

[0006] The prefabricated box culvert overturning device comprises an L-shaped support on which the prefabricated box culvert can be placed. The L-shaped support is arranged at the upper end of a transport frame and connected to the transport frame through a first hinge assembly at the bottom. A first support frame group is arranged on one side of the first hinge assembly, and a second support frame group is arranged on the other side. The first and second support frame groups are respectively fixed to the transport frame to support the L-shaped support. A hydraulic drive is arranged at the first support frame group. The driving end of the hydraulic drive is connected to the L-shaped support through a second hinge assembly, and the other end is hinged to the transport frame. The second hinge assembly is arranged at the side end of the first hinge assembly.

[0007] Preferably, the L-shaped support comprises a longitudinal plate and a transverse plate. The longitudinal plate is connected to the side end of the transverse plate through a connecting assembly at the bottom side.

[0008] Preferably, the connecting assembly comprises a positioning protrusion and a positioning groove into which the positioning protrusion can be inserted. The positioning protrusion is fixed to the bottom side of the longitudinal plate, and the positioning groove is fixed to the side end of the transverse plate. A connecting bolt is screwed onto the positioning protrusion and screwed into the longitudinal plate.

[0009] Preferably, the first hinged assembly comprises a positioning block fixed on the transport frame and a swing block hinged with the positioning block through a rotating shaft, the positioning block is fixedly connected with a first connecting plate, the first connecting plate is fixedly connected with the horizontal plate block through bolts, a torsional spring damper is fixedly connected between the positioning block and the rotating shaft, and the torsional spring damper can control the rotating speed of the L-shaped support.

[0010] Preferably, the first support frame group comprises a plurality of first T-shaped support frames fixed on the transport frame, the second support frame group comprises a plurality of second T-shaped support frames fixed on the transport frame 1, the height of the first T-shaped support frame is greater than that of the second T-shaped support frame, and the top of the first T-shaped support frame and the top of the second T-shaped support frame are respectively fixed with a buffer block.

[0011] Preferably, the second hinged assembly comprises a hinge shaft and a hinge block, the hinge shaft is fixed on the hinge block, and the hinge shaft is hinged with the driving end of the hydraulic drive, the hinge block is fixedly connected with a second connecting plate, and the second connecting plate is fixedly connected with the horizontal plate block through bolts.

[0012] The utility model discloses a simple mechanical structure of L-shaped support, hinged assembly and support frame group is adopted, and the structure is compact, easy to install and disassemble, and the operator only needs to control the hydraulic drive to realize the overturning of the box culvert, so the operation is simple and easy to master. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0014] Figure 1 It is the structure view of the utility model;

[0015] Figure 2 It is the overhead structure schematic view of the utility model;

[0016] Figure 3 It is the working structure schematic view of the utility model.

[0017] In the drawing: transport frame 1, L-shaped support 2, first hinged assembly 3, first T-shaped support frame 5, hydraulic drive 6, second T-shaped support frame 7, longitudinal plate block 8, horizontal plate block 9, second hinged assembly 10. DETAILED DESCRIPTION:

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0019] As shown in Figure 1 , Figure 2 , Figure 3 A prefabricated box culvert overturning device, including the L type support 2 that can place prefabricated box culvert, L type support 2 is arranged in the upper end of transport frame 1, L type support 2 bottom is connected with first hinged assembly 3, and hinged assembly is fixed on transport frame 1, one side of hinged assembly is provided with first support frame group, the other side is provided with second support frame group, and first support frame group and second support frame group are fixed on transport frame 1 respectively, and can realize the supporting effect to L type support 2, first support frame group is provided with hydraulic drive 6, and the driving end of hydraulic drive 6 is connected with L type support 2 through second hinged assembly 10, and the other end is hinged on transport frame 1, and second hinged assembly 10 is arranged in the side end of first hinged assembly 3.

[0020] Specifically:

[0021] Initial state, prefabricated box culvert is placed on L type support 2, and L type support 2 is fixed on the upper end of transport frame 1 through first hinged assembly 3. At this time, first support frame group and second support frame group play a supporting role to L type support 2, guaranteeing the stable placement of box culvert;

[0022] Overturning process, start hydraulic drive, and the driving end thereof pushes L type support 2 to rotate around first hinged assembly 3 through second hinged assembly 10;

[0023] Since first support frame group and second support frame group are fixed on transport frame 1 respectively, and L type support 2 is connected with transport frame 1 through first hinged assembly 3, L type support 2 can only rotate around first hinged assembly 3, realizing the overturning of box culvert;

[0024] Hydraulic drive 6 continuously provides power, controls the rotation speed and angle of L type support 2, and ensures that the overturning process is stable and controllable;

[0025] After overturning is completed, stop the work of hydraulic drive 6 when box culvert overturns 90 degrees, at this time, the center of gravity of box culvert drops, and L type support 2 and box culvert remain stable under the action of gravity, and subsequent transportation can be carried out.

[0026] L type support 2 includes longitudinal plate block 8 and transverse plate block 9, and the bottom side of longitudinal plate block 8 is spliced together with the side end of transverse plate block 9 through connecting assembly.

[0027] Specifically,

[0028] The L-shaped support 2 adopts a split structure design and is spliced by a longitudinal plate 8 and a transverse plate 9, facilitating transportation and installation. The longitudinal plate 8 and the transverse plate 9 are spliced together through a connecting assembly to form an L-shaped structure for placing a prefabricated box culvert.

[0029] The longitudinal plate 8 is mainly used for supporting the longitudinal part of the box culvert, and the transverse plate 9 is mainly used for supporting the transverse part of the box culvert and serving as a rotation axis for overturning. The connecting assembly firmly connects the longitudinal plate 8 and the transverse plate 9 together to ensure the overall strength and stability of the L-shaped support 2.

[0030] The connecting assembly includes a positioning protrusion and a matching positioning groove. The positioning protrusion is fixed to the bottom side of the longitudinal plate 8, and the positioning groove is fixed to the side end of the transverse plate 9. A connecting bolt is screwed onto the positioning protrusion and screwed onto the longitudinal plate 8.

[0031] Specifically,

[0032] The connecting assembly adopts a "protrusion-groove" matching structure to realize precise positioning and quick connection of the longitudinal plate 8 and the transverse plate 9.

[0033] The positioning protrusion is fixed to the bottom side of the longitudinal plate 8 to play a positioning and guiding role. The positioning groove is fixed to the side end of the transverse plate 9 and cooperates with the positioning protrusion to realize accurate splicing of the longitudinal plate 8 and the transverse plate 9. The connecting bolt passes through the threaded hole on the positioning protrusion and is screwed onto the longitudinal plate 8 to tightly connect the longitudinal plate 8 and the transverse plate 9 together. The connecting bolt provides sufficient clamping force to ensure firm and reliable connection. The detachable design facilitates disassembly and transportation of the L-shaped support 2.

[0034] The first hinge assembly 3 includes a positioning block and a swing block. The positioning block is fixed to the transportation frame 1, and the swing block is hinged to the positioning block through a rotating shaft. The positioning block is fixedly connected with a first connecting plate, and the first connecting plate is fixedly connected with the transverse plate 9 through a bolt. A torsional spring damper is fixedly connected between the positioning block and the rotating shaft to control the rotation speed of the L-shaped support 2.

[0035] Specifically,

[0036] The first hinge assembly 3 is the rotation center point of the L-shaped support 2. The positioning block is fixed to the transportation frame 1 as a fixed fulcrum of the rotation axis, and the swing block is hinged to the positioning block through a rotating shaft to form a rotatable connection structure.

[0037] The transverse plate 9 is fixedly connected with the swing block through the first connecting plate and the bolt, so that the L-shaped support 2 can rotate around the first hinge assembly 3.

[0038] The torsional spring damper is installed between the positioning block and the rotating shaft, absorbs and consumes the vibration and impact energy generated during the overturning process, plays a buffering role, protects the device and the box culvert, controls the rotating speed of the L-shaped support 2, prevents the box culvert from tilting or being damaged due to too fast overturning speed, and the torsional spring damper can adjust the damping force according to the needs to adapt to the overturning needs of box culverts of different weights.

[0039] The first support frame group includes a plurality of first T-shaped support frames 5 uniformly fixed on the transport frame 1, and the second support frame group includes a plurality of second T-shaped support frames 7 uniformly fixed on the transport frame 1. The height of the first T-shaped support frame 5 is greater than that of the second T-shaped support frame 7, and the top of the first T-shaped support frame 5 and the top of the second T-shaped support frame 7 are respectively fixed with a buffer block.

[0040] Specifically:

[0041] The first support frame group and the second support frame group are respectively located on both sides of the L-shaped support 2, and after the L-shaped support 2 is overturned, they play a supporting and stabilizing role for the horizontal plate block 9 and the vertical plate block 8.

[0042] The first T-shaped support frame has a larger height and is used to support the horizontal plate block 9 in the initial state of the L-shaped support 2, and the second T-shaped support frame has a smaller height and is used to support the vertical plate block 8 after the L-shaped support 2 is overturned.

[0043] The plurality of T-shaped support frames are uniformly distributed to ensure the stability and uniformity of the support.

[0044] The buffer block is fixed on the top of the T-shaped support frame. After the L-shaped support 2 is overturned in place, the buffer block contacts the L-shaped support 2 and plays a limiting role to prevent it from being overturned too much. The buffer block can absorb the impact force when it is overturned in place, protecting the device and the box culvert.

[0045] The second hinge assembly 10 includes a hinge shaft and a hinge block. The hinge shaft is fixed on the hinge block, and the hinge shaft is hinged with the driving end of the hydraulic driving part 6. The hinge block is fixedly connected with a second connecting plate, and the second connecting plate is fixedly connected with the horizontal plate block 9 through bolts.

[0046] Specifically:

[0047] The second hinge assembly 10 is a connecting component between the hydraulic driving part 6 and the L-shaped support 2. The hinge shaft is fixed on the hinge block, and the hinge shaft is hinged with the driving end of the hydraulic driving part 6, so that the movement of the hydraulic driving part 6 can be transmitted to the hinge block.

[0048] The hinge block is fixedly connected with the horizontal plate block 9 through the second connecting plate and the bolts, and the pushing force of the hydraulic driving part 6 is transmitted to the L-shaped support 2 to push it to overturn.

[0049] The prior art hydraulic system adopted by the hydraulic driving part 6 comprises a hydraulic pump station, which provides a power source for the whole hydraulic system, a hydraulic cylinder, which is a core execution element of the hydraulic driving part 6, a power source for driving the L-shaped support 2 to overturn, hydraulic control valves, hydraulic oil pipes and joints and other auxiliary elements.

[0050] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A precast box culvert tipping device, characterized in that, The device includes an L-shaped support for placing precast box culverts. The L-shaped support is mounted on the upper end of a transport frame and its bottom is connected to the transport frame via a first hinge assembly. A first support frame group is provided on one side of the first hinge assembly, and a second support frame group is provided on the other side. The first and second support frame groups are respectively fixed on the transport frame to support the L-shaped support. A hydraulic drive unit is provided at the first support frame group. The drive end of the hydraulic drive unit is connected to the L-shaped support via the second hinge assembly, and the other end is hinged to the transport frame. The second hinge assembly is located at the side end of the first hinge assembly.

2. The precast box culvert tipping device according to claim 1, characterized in that: The L-shaped bracket includes a longitudinal plate and a transverse plate, and the bottom side of the longitudinal plate is spliced ​​together with the side end of the transverse plate through a connecting component.

3. A precast box culvert tipping device according to claim 2, characterized in that: The connecting component includes a positioning protrusion and a positioning groove that can be inserted into it. The positioning protrusion is fixed to the bottom side of the longitudinal plate, and the positioning groove is correspondingly fixed to the side end of the transverse plate. A connecting bolt is screwed onto the positioning protrusion and the connecting bolt is screwed onto the longitudinal plate.

4. A precast box culvert tipping device according to claim 3, characterized in that: The first hinge assembly includes a positioning block and a swing block. The positioning block is fixed on the transport frame, and the swing block is hinged to the positioning block via a rotating shaft. A first connecting plate is fixedly connected to the positioning block, and the first connecting plate is fixedly connected to the cross plate via bolts. A torsion spring damper is fixedly connected between the positioning block and the rotating shaft, and the torsion spring damper can control the rotation speed of the L-shaped bracket.

5. A precast box culvert tipping device according to claim 4, characterized in that: The first support frame group includes multiple first T-shaped support frames that are evenly fixed on the transport frame. The second support frame group includes multiple second T-shaped support frames that are evenly fixed on the transport frame (1). The height of the first T-shaped support frame is greater than that of the second T-shaped support frame, and buffer blocks are fixed to the top of the first T-shaped support frame and the second T-shaped support frame respectively.

6. A precast box culvert tipping device according to claim 5, characterized in that: The second hinge assembly includes a hinge shaft and a hinge block. The hinge shaft is fixed on the hinge block and is hinged to the drive end of the hydraulic drive component. A second connecting plate is fixedly connected to the hinge block and is fixedly connected to the cross plate by bolts.

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