CN115162162A - A prefabricated bridge deck rectification laying device - Google Patents

Abstract

The application relates to the field of construction equipment, and discloses a device for correcting and laying prefabricated bridge decks, which includes a moving frame, a plurality of moving wheels are arranged at the bottom of the moving frame, and a A locking device for the position of a mobile frame, a lifting arm is provided on the mobile frame, the lifting arm is provided with a hanging lug for hanging a prefabricated bridge deck, and the mobile frame is provided with a lifting arm for driving the lifting arm to move up and down. drive components. The present application has the effect of laying prefabricated bridge decks flexibly and conveniently.

Description

A prefabricated bridge deck rectification laying device

technical field

The present application relates to the field of building construction equipment, and in particular, to a device for correcting deviation of a prefabricated bridge deck.

Background technique

With the advancement of domestic large-scale infrastructure construction, more and more prefabricated parts have been used in construction, which can not only ensure the construction quality, but also greatly shorten the construction period.

In the laying and construction of prefabricated bridge decks, cranes are often used to assist the construction. Before construction, a number of prefabricated bridge decks of qualified quality are manufactured in the factory in advance, and then the multiple prefabricated bridge decks are transported to the construction site by trucks and deployed. A crane. At the construction site, the crane lifts the prefabricated bridge deck, transports it to the top of the laying point, and finally cooperates with manpower to precisely lay the prefabricated bridge deck on the bridge deck.

In view of the above-mentioned related technologies, the inventor believes that the current prefabricated bridge deck needs to be called by a crane, and the crane is used for construction. Since the crane itself occupies a large construction space, when laying a narrow bridge deck, the crane movement is limited, and the prefabricated bridge cannot be guaranteed. Construction accuracy of panel laying.

SUMMARY OF THE INVENTION

In order to lay the prefabricated bridge deck flexibly and accurately, the present application provides a device for correcting deviation of the prefabricated bridge deck.

A prefabricated bridge deck deviation correction laying device provided by the application adopts the following technical solutions:

A prefabricated bridge deck deviation correction laying device includes a moving frame, a plurality of moving wheels are arranged at the bottom of the moving frame, and a locking device for locking the position of the moving frame is also arranged on the moving frame. A lift arm is provided on the upper lift, the lift arm is provided with a hanging lug for hanging a prefabricated bridge deck, and a drive assembly for driving the lift arm to move up and down is provided on the moving frame.

By adopting the above technical solution, the prefabricated bridge deck is hoisted to the mobile frame by the driving component, and then the prefabricated bridge deck is transported to the position to be laid by the mobile frame. The structure is simple, the use is flexible and convenient, and the space is small. The device locks the position of the mobile frame, which is beneficial to improve the accuracy of the laying position of the prefabricated bridge deck.

Preferably, the locking device includes a support bolt threadedly connected to the bottom of the moving frame, and a twisting portion for conveniently twisting the support bolt is provided on the support bolt.

By adopting the above technical solution, the rotating part of the tool is used to drive the support bolt to rotate, and the moving frame is pushed up by the support bolt, so that the position of the moving frame is locked.

Preferably, the driving assembly includes two jacks respectively disposed at both ends of the lifting arm, and the jacks are connected between the moving frame and the lifting arm.

By adopting the above technical solution, the lifting arm is lifted by using a jack, and then lowered by the self-weight of the lifting arm.

Preferably, guide rods are vertically fixed on both ends of the lift arm on the moving frame, and the guide rods are inserted and matched with the lift arm.

By adopting the above technical solution, the lifting motion of the lifting arm is guided.

Preferably, the locking device includes a plurality of supporting hydraulic cylinders fixed on the bottom of the moving frame.

By adopting the above technical solution, the moving frame is lifted up by a supporting hydraulic cylinder, so as to realize the locking of the position of the moving frame.

Preferably, the drive assembly includes a lift hydraulic cylinder that is topped between the lift arm and the moving frame, the lift hydraulic cylinder is provided with a hydraulic oil input pipe and a hydraulic oil output pipe, and the hydraulic oil input pipe A first switch valve is arranged on the pipe, and a second switch valve is arranged on the hydraulic oil output pipe.

By adopting the above technical solution, the second switch valve is closed, the first switch valve is opened, and hydraulic oil is injected into the lifting hydraulic cylinder through the hydraulic oil input pipe to realize the lifting movement of the lifting arm.

Preferably, an injection pipe for injecting hydraulic oil is provided on the support hydraulic cylinder, and the injection pipe is communicated with an end of the hydraulic oil output pipe away from the lifting hydraulic cylinder, and the hydraulic oil in the lifting hydraulic cylinder is The pressure is higher than the oil pressure of the hydraulic oil in the support hydraulic cylinder; when the second switch valve is opened, the hydraulic oil in the lift hydraulic cylinder enters the support hydraulic cylinder through the injection pipe, and the support hydraulic pressure The cylinder supports the moving frame, while the lifting arm moves downward.

By adopting the above technical solution, during the process of laying the prefabricated bridge deck, the second on-off valve is opened, the hydraulic oil in the lifting hydraulic cylinder enters the supporting hydraulic cylinder through the injection pipe, and the movable frame is jacked up while the prefabricated bridge deck is lowered. .

Preferably, a discharge pipe for discharging hydraulic oil is arranged on the support hydraulic cylinder, a recovery box is arranged on the moving frame, and an end of the discharge pipe away from the support hydraulic cylinder is communicated with the recovery box, and the recovery box is connected to the recovery box. A third on-off valve is installed on the discharge pipe.

By adopting the above technical solution, when the work is finished, the third switch valve is opened, the support hydraulic cylinder is contracted, and the hydraulic oil in the support hydraulic cylinder is recovered into the recovery box to avoid waste.

Preferably, the moving wheel is elastically supported and connected to the bottom of the moving frame.

By adopting the above technical solution, it is convenient to press down the moving frame, shrink the supporting hydraulic cylinder, and then push the moving frame to finish the work.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. The application has a simple structure, takes up little space, is flexible and convenient to use, and facilitates precise laying of prefabricated bridge decks in narrow construction scenarios;

2. The lifting hydraulic cylinder is linked with the supporting hydraulic cylinder. During the laying process, by opening the second switch valve, the supporting hydraulic cylinder first lifts the movable frame to avoid the position of the movable frame from changing. At the same time, the lifting arm descends until the prefabricated bridge From the bottom of the panel to the laying position, the convenience of use is greatly improved;

Description of drawings

FIG. 1 is a schematic structural diagram of a device for correcting deviation of a prefabricated bridge deck according to Embodiment 1 of the present application.

FIG. 2 is a schematic structural diagram of a device for correcting deviation of a prefabricated bridge deck according to Embodiment 2 of the present application.

Description of reference numerals: 1. Moving frame; 2. Moving wheel; 3. Lifting arm; 4. Hanging lug; 5. Supporting bolt; 6. Twisting part; 7. Jack; 8. Guide rod; 9. Supporting hydraulic cylinder ; 10, lift hydraulic cylinder; 11, hydraulic oil input pipe; 12, hydraulic oil output pipe; 13, first switch valve; 14, second switch valve; 15, injection pipe; 16, discharge pipe; 17, recovery tank; 18. The third switch valve.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1 and 2 .

The embodiment of the present application discloses a device for correcting deviation of a prefabricated bridge deck.

Example 1:

Referring to FIG. 1, a prefabricated bridge deck deflection rectification laying device includes a mobile frame 1, a lifting arm 3 is connected to the movable frame 1, and the bottom of the lifting arm 3 is fixed with a hanging lug 4 for hanging the prefabricated bridge deck, and the mobile frame 1 There is a drive assembly for driving the lifting arm 3 to move up and down. The four corners of the bottom of the moving frame 1 are provided with moving wheels 2. The moving wheels 2 are universal wheels, which are convenient for adjusting the position of the moving frame 1. The moving frame 1 is also provided with a locking device for locking the position of the moving frame 1. After adjusting the position of the mobile frame 1, use the locking device to lock the position of the mobile frame 1. The locking device includes a support bolt 5 that is threadedly connected to the bottom of the mobile frame 1. Section 6.

During use, the prefabricated bridge deck is hung under the lifting arm 3 through the hanging lugs 4, and the movable frame 1 is pushed to the position to be laid. The position of the moving frame 1 is locked by the locking device, and finally, the lifting arm 3 is driven down by the driving assembly, and the prefabricated bridge deck is put down to complete the high-precision laying and installation of the prefabricated bridge deck.

Guide rods 8 are vertically fixed on both ends of the lifting arm 3 on the mobile frame 1 . The guide rods 8 are inserted and matched with the lifting arm 3 to guide the direction of the lifting movement of the lifting arm 3 . Two jacks 7, the jack 7 is connected between the mobile frame 1 and the lifting arm 3, the base of the jack 7 is fixed on the moving frame 1, and the top rod end of the jack 7 is connected to the bottom of the lifting arm 3.

The implementation principle of a prefabricated bridge deck deviation correction laying device in the embodiment of the present application is as follows: when laying the prefabricated bridge deck, first push the mobile frame 1 to the top of the prefabricated bridge deck to be laid, and connect the hanging lugs 4 with the prefabricated bridge deck by means of suspension ropes. The bridge deck, then use the jack 7 to push the lifting arm 3 to rise, hoist the prefabricated bridge deck horizontally, and push the mobile frame 1 to drive the prefabricated bridge deck to move to the place to be laid. Align the laying points on the surface, and then use the tool to rotate the twisting part 6 to make the ends of the support bolts 5 abut the bridge deck to prevent the position of the mobile frame 1 from moving in the subsequent construction process. Finally, the jack 7 is used to drive the lifting and lowering The arm 3 is lowered, and the prefabricated bridge deck is placed at a specific position on the bridge deck to complete the laying of the prefabricated bridge deck with high precision.

Embodiment 2:

Referring to FIG. 2 , a prefabricated bridge deck rectification laying device is different from the first embodiment in that the locking device includes four supporting hydraulic cylinders 9 fixed on the bottom of the mobile frame 1 , and the four supporting hydraulic cylinders 9 are respectively fixed on the supporting hydraulic cylinders 9 . At the four corners of the bottom of the frame, in this embodiment, the supporting hydraulic cylinder 9 is used to lift the movable frame 1 to realize the locking of the position of the movable frame 1 .

The driving assembly includes a lifting hydraulic cylinder 10 which is connected between the lifting arm 3 and the moving frame 1. There are two lifting hydraulic cylinders 10. The two lifting hydraulic cylinders 10 are located at both ends of the lifting arm 3 respectively. The base is fixed on the moving frame 1, the end of the piston rod of the lifting hydraulic cylinder 10 is connected to the lifting arm 3, the lifting hydraulic cylinder 10 is provided with a hydraulic oil input pipe 11 and a hydraulic oil output pipe 12, and the hydraulic oil input pipe 11 is provided with There is a first on-off valve 13 , and a second on-off valve 14 is provided on the hydraulic oil output pipe 12 . During use, first close the second switch valve 14, open the first switch valve 13, inject hydraulic oil into the two lifting hydraulic cylinders 10 through the hydraulic oil input pipe 11 at the same time, and push the lifting arm 3 to rise, so as to make the prefabricated bridge deck. Lift up; after the moving frame 1 moves to the laying point, open the second switch valve 14 to discharge the hydraulic oil in the lifting hydraulic cylinder 10 to realize the laying down of the prefabricated bridge deck.

The support hydraulic cylinder 9 is provided with an injection pipe 15 for injecting hydraulic oil. The injection pipe 15 communicates with the end of the hydraulic oil output pipe 12 away from the lifting hydraulic cylinder 10. The oil pressure of the hydraulic oil in the lifting hydraulic cylinder 10 is greater than that in the supporting hydraulic cylinder 9. The oil pressure of the hydraulic oil, wherein the sum of the weight of the lifting arm 3, the hanging lug 4 and the prefabricated bridge deck is set as f, the guide rod 8, the lifting hydraulic cylinder 10, the moving frame 1, the moving wheel 2, the lifting arm 3, the hanging The sum of the weight of the ear 4 and the prefabricated bridge deck is F, then F must be greater than f. In order to ensure that the oil pressure of the hydraulic oil in the lifting hydraulic cylinder 10 is less than the oil pressure of the hydraulic oil in the supporting hydraulic cylinder 9, the piston rod in the lifting hydraulic cylinder 10 is The end face s is smaller than the end face S of the piston rod in the supporting hydraulic cylinder 9, and always satisfies that f/s is greater than F/S; when the second switch valve 14 is opened, the hydraulic oil in the lifting hydraulic cylinder 10 enters the supporting hydraulic cylinder through the injection pipe 15. 9, the supporting hydraulic cylinder 9 supports the moving frame 1, and at the same time, the lifting arm 3 moves downward with the prefabricated bridge deck. to a better location. The support hydraulic cylinder 9 is provided with a discharge pipe 16 for discharging hydraulic oil, a recovery box 17 is provided on the moving frame 1, the end of the discharge pipe 16 away from the support hydraulic cylinder 9 is communicated with the recovery box 17, and a third The switch valve 18 and the moving wheel 2 are elastically supported on the bottom of the moving frame 1 by springs. After the prefabricated bridge deck is laid, the second switch valve 14 is closed and the third hydraulic valve is opened. Cylinder 9, squeeze the hydraulic oil in the support hydraulic cylinder 9 into the recovery box 17 to avoid waste of hydraulic oil, recover it in the recovery box 17 for reuse, close the third hydraulic valve, and the construction personnel get off the mobile frame 1 , push the mobile frame 1 to finish.

The implementation principle of a prefabricated bridge deck deviation correction laying device in the embodiment of the present application is as follows: during construction, the prefabricated bridge deck is hung under the lifting arm 3, the first switch valve 13 is opened, and the second switch valve 14 and the third switch valve are closed. 18. The hydraulic pump is used to inject hydraulic oil into the two lifting hydraulic cylinders 10 through the hydraulic oil input pipe 11 at the same time, the lifting arm 3 is lifted, the prefabricated bridge deck is lifted, and then the first switch valve 13 is closed; The prefabricated bridge deck is moved to the position that needs to be laid. After correcting the position of the moving frame 1, the second switch valve 14 is opened, and the hydraulic oil in the lifting hydraulic cylinder 10 flows into the supporting hydraulic cylinder 9, and the supporting hydraulic cylinder 9 moves the moving frame 1. Jack up, the lifting arm 3 and the prefabricated bridge deck are lowered, and the lowering and laying of the prefabricated bridge deck is completed; when the work is finished, the second switch valve 14 is closed, the third switch valve 18 is opened, and the moving frame 1 is pressed down to support the hydraulic cylinder 9. The hydraulic oil is squeezed into the recovery tank 17; the third switch valve 18 is closed, the pressing down on the moving frame 1 is canceled, and the moving frame 1 is pushed to stop.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (9)

1. The utility model provides a prefabricated decking laying device that rectifies which characterized in that: including removing frame (1), the bottom of removing frame (1) is provided with a plurality of removal wheels (2), it is used for locking still to be provided with on removing frame (1) remove the locking device of frame (1) position, it is provided with lifing arm (3) to remove the ascending and descending of frame (1), be provided with on lifing arm (3) and be used for hanging hangers (4) of prefabricated decking, it is used for the drive to remove to be provided with on frame (1) lifing arm (3) elevating movement's drive assembly.

2. The precast bridge deck deviation-rectifying laying device according to claim 1, characterized in that: the locking device comprises a supporting bolt (5) which is in threaded connection with the bottom of the movable frame (1), and a screwing part (6) which is used for conveniently screwing the supporting bolt (5) is arranged on the supporting bolt (5).

3. The prefabricated bridge deck deviation-rectifying laying device according to claim 1 or 2, characterized in that: the driving assembly comprises two jacks (7) which are respectively arranged at two ends of the lifting arm (3), and the jacks (7) are connected between the moving frame (1) and the lifting arm (3) in a jacking mode.

4. The precast bridge deck deviation-rectifying laying device according to claim 3, wherein: the movable rack (1) is vertically fixed with guide rods (8) at two ends of the lifting arm (3), and the guide rods (8) are in plug-in fit with the lifting arm (3).

5. The precast bridge deck deviation-rectifying laying device according to claim 1, characterized in that: the locking device comprises a plurality of supporting hydraulic cylinders (9) fixed at the bottom of the movable frame (1).

6. The prefabricated bridge deck deviation-rectifying laying device according to claim 5, characterized in that: the drive assembly including the top connect in lifing arm (3) with remove hydraulic cylinder (10) between frame (1), be provided with hydraulic oil input tube (11) and hydraulic oil output tube (12) on hydraulic cylinder (10), be provided with first ooff valve (13) on hydraulic oil input tube (11), be provided with second ooff valve (14) on hydraulic oil output tube (12).

7. The precast bridge deck deviation-rectifying laying device according to claim 6, wherein: an injection pipe (15) used for injecting hydraulic oil is arranged on the supporting hydraulic cylinder (9), the injection pipe (15) is communicated with one end, far away from the lifting hydraulic cylinder (10), of the hydraulic oil output pipe (12), and the oil pressure of the hydraulic oil in the lifting hydraulic cylinder (10) is larger than that of the hydraulic oil in the supporting hydraulic cylinder (9); when the second switch valve (14) is opened, hydraulic oil in the lifting hydraulic cylinder (10) enters the supporting hydraulic cylinder (9) through the injection pipe (15), the supporting hydraulic cylinder (9) supports the moving frame (1), and meanwhile the lifting arm (3) moves downwards.

8. The precast bridge deck deviation-rectifying laying device according to claim 7, wherein: support and be provided with discharge pipe (16) that are used for discharging hydraulic oil on pneumatic cylinder (9), be provided with collection box (17) on removing frame (1), discharge pipe (16) are kept away from support pneumatic cylinder (9) one end with collection box (17) intercommunication, install third ooff valve (18) on discharge pipe (16).

9. The precast bridge deck deviation-rectifying laying device according to claim 7 or 8, wherein: the moving wheel (2) is elastically supported and connected to the bottom of the moving frame (1).

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