Box girder inner box maintenance trolley

The box girder inner box health-preserving trolley addresses uneven water distribution in box girders by enabling multi-directional nozzle movement, ensuring uniform curing and avoiding dead corners with a crawler chassis for stable operation.

CN222135358UActive Publication Date: 2024-12-10SHANDONG LUQIAO GROUP CO LTD
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Patent Information

Application Number
CN202420818381.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2024-12-10
Estimated Expiration
2034-04-19

AI Technical Summary

Technical Problem

Existing devices fail to evenly distribute water within the inner box of box girders during curing, leading to uneven curing and the presence of dead corners.

Method used

A box girder inner box health-preserving trolley that allows nozzles to move in multiple directions, driven by a motor, ensuring even water distribution and avoiding dead corners through a crawler chassis with a large contact area.

Benefits of technology

The device achieves uniform water distribution within the box girder, preventing uneven curing and vehicle marks, with automatic operation and effective health maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a box girder inner box maintenance trolley which comprises a crawler-type chassis, and the upper side of the crawler-type chassis is connected with a mounting plate. The water tank is arranged on the upper side of the mounting plate and connected with the mounting plate; four corners of the concentric-square-shaped guide rod are respectively connected with vertical rods, and each vertical rod is respectively connected with the mounting plate; the front spraying pipe is connected with the front support, and the concentric-square-shaped guide rod penetrates through the front support; the motor is connected with the mounting plate through a motor support, an output shaft of the motor is connected with a rotating disc, and the eccentric position of the rotating disc is connected with a round block; the power groove is connected with the front support, and the round block is arranged in the power groove. The utility model relates to the technical field of box girder inner box maintenance, in particular to a box girder inner box maintenance trolley. Aiming at the defects in the prior art, the maintenance trolley for the inner box of the box girder is developed, the spraying pipes can move in multiple directions at the same time, water is sprayed into the inner box of the box girder, and the water is evenly distributed.
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Description

Technical Field

[0001] The utility model relates to the technical field of box girder inner box health maintenance, in particular to a box girder inner box health maintenance trolley. Background Art

[0002] Box girders of reinforced concrete structures are divided into prefabricated box girders and cast-in-place box girders. Box girders prefabricated in an independent site can be erected in combination with a bridge erection machine after the lower project is completed, which can speed up the project progress and save construction time; cast-in-place box girders are mostly used for large continuous bridges. When prefabricated box girders are cured, one end of a water pipe is generally sealed, and multiple small holes are drilled on the pipe wall for curing. Because the holes are spaced, some places on the curing surface may not be sprayed, and some places may be sprayed with a lot of water, resulting in uneven curing.

[0003] Existing technology, for example, a utility model of a prefabricated box girder intelligent spray curing trolley, authorization announcement number CN215848820U. The nozzles are evenly spaced on the horizontal spray bar and the vertical spray bar, achieving the effect of curing spraying with full coverage all day and night, improving the concrete curing conditions, and improving the strength and uniformity of the web.

[0004] At present, there is still a lack of a device that can realize the simultaneous movement of the nozzle in multiple directions, spray water into the inner box of the box girder, distribute the water evenly, and avoid the existence of dead corners.

[0005] Therefore, in view of the above problems, a box girder inner box health-preserving trolley is proposed to solve the above problems. Utility Model Content

[0006] The utility model aims at the deficiencies of the prior art and develops a box beam inner box health-care trolley. The utility model realizes the simultaneous movement of the spray pipe in multiple directions to spray water into the box beam inner box so that the water is evenly distributed.

[0007] The technical solution of the utility model to solve the technical problem is as follows: the utility model provides a box girder inner box curing trolley, including a crawler chassis, the upper side of which is connected to a mounting plate; a water tank, arranged on the upper side of the mounting plate, connected to the mounting plate; a circular guide rod, the four corners of which are respectively connected to vertical rods, each of which is respectively connected to the mounting plate; a front nozzle, connected to the front bracket, the circular guide rod passes through the front bracket; a motor, connected to the mounting plate through a motor bracket, the output shaft of the motor is connected to a turntable, the eccentric part of the turntable is connected to a round block; a power slot, connected to the front bracket, the round block is arranged in the power slot. By adopting a motor to drive, the front nozzle can be reciprocated in the left and right directions. Compared with curing by drilling multiple small holes on the pipe wall, there will be no problem that some places on the curing surface may not be sprayed because the holes are spaced apart.

[0008] As an optimization, the circular guide rod passes through two side brackets, the two side brackets are respectively connected to the side nozzle mounting frames, and the two side nozzle mounting frames are respectively fixedly connected to a group of side nozzles. By setting the side nozzles that move back and forth, water spraying and curing of the inner box of the box beam is achieved.

[0009] As an optimization, the front bracket is rotatably connected to one end of a symmetrical connecting rod, and the other ends of the two connecting rods are rotatably connected to the corresponding side brackets. By adopting the connecting rod rotation connection, power is provided for the movement of the side nozzle.

[0010] As an optimization, the circular guide rod is rotatably connected to the U-shaped shaft, the U-shaped shaft is connected to the rear nozzle, one of the side brackets is rotatably connected to one end of the side connecting rod, and the other end of the side connecting rod is rotatably connected to the U-shaped shaft. By adopting the connecting rod rotation connection, the rear nozzle can swing back and forth, and the inner box of the box beam can be sprayed with water for curing.

[0011] As an optimization, the water tank is fixedly connected to a water inlet pipe. By adopting the water inlet pipe, it is convenient to add clean water into the water tank.

[0012] As an optimization, the water inlet pipe is threadedly connected to an end cap. By providing the end cap, foreign matter is prevented from entering the water tank.

[0013] As an optimization, the water tank is connected to a water pump. By adopting the water pump, a hose is used to connect the water pump and the spray pipe, so that the water in the water tank is supplied to the spray pipe to spray the water.

[0014] The effects provided in the utility model content are only the effects of the embodiments, not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:

[0015] (1) This device sprays water into the inner box of the box girder by setting a nozzle that moves in multiple directions, so that the water is evenly distributed and the existence of dead corners is avoided.

[0016] (2) The device is driven by a motor to achieve simultaneous movement of all nozzles to spray water, which is simple to operate and easy to use.

[0017] (3) This device adopts a crawler chassis with a large contact area with the inner box of the box beam, which prevents vehicle marks from appearing on the bottom of the box, realizes automatic cruising, automatic health maintenance, uniform health maintenance surface, and good health maintenance effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0020] Figure 2 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 1 .

[0021] Figure 3 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 2 .

[0022] Figure 4 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 3 .

[0023] Figure 5 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 4 .

[0024] In the figure: 1, end cover, 2, water inlet pipe, 3, water tank, 4, water pump, 5, mounting plate, 6, circular guide rod, 7, vertical rod, 8, crawler chassis, 9, side nozzle, 10, side nozzle mounting frame, 11, side bracket, 12, connecting rod, 13, motor, 14, turntable, 15, round block, 16, front nozzle, 17, front bracket, 18, power trough, 19, side connecting rod, 20, U-shaped shaft, 21, rear nozzle. DETAILED DESCRIPTION

[0025] In order to clearly illustrate the technical features of this solution, the utility model is described in detail below through specific implementation methods and in combination with the accompanying drawings. The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. In addition, the utility model can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the accompanying drawings are not necessarily drawn to scale. The utility model omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] like Figures 1 to 5 As shown, embodiment 1: a box girder inner box curing trolley comprises a crawler chassis 8, the upper side of which is connected to a mounting plate 5; a water tank 3, which is arranged on the upper side of the mounting plate 5 and connected to the mounting plate 5; a circular guide rod 6, whose four corners are respectively connected to vertical rods 7, and each of the vertical rods 7 is respectively connected to the mounting plate 5; a front nozzle 16, which is connected to a front bracket 17, and the circular guide rod 6 passes through the front bracket 17; a motor 13, which is connected to the mounting plate 5 through a motor bracket, and the output shaft of the motor 13 is connected to a turntable 14, and the eccentric part of the turntable 14 is connected to a round block 15; a power slot 18, which is connected to the front bracket 17, and the round block 15 is arranged in the power slot 18. By using the motor 13 to drive, the front nozzle 16 can be reciprocated in the left and right directions. Compared with curing by drilling multiple small holes on the pipe wall, there will be no problem that some places on the curing surface may not be sprayed because the holes are spaced apart.

[0027] The model of the motor 13 is GA42Y-775.

[0028] The circular guide rod 6 passes through two side brackets 11, and the two side brackets 11 are respectively connected to the side nozzle mounting frames 10, and the two side nozzle mounting frames 10 are respectively fixedly connected to a group of side nozzles 9. By setting the side nozzles 9 that move back and forth, water spraying and curing of the inner box of the box beam is achieved.

[0029] The front bracket 17 is rotatably connected to one end of the symmetrical connecting rod 12, and the other ends of the two connecting rods 12 are respectively rotatably connected to the corresponding side brackets 11. By adopting the connecting rod rotation connection, the movement of the side nozzle 9 is powered.

[0030] The water tank 3 is fixedly connected to the water inlet pipe 2. By adopting the water inlet pipe 2, adding clean water into the water tank 3 is convenient.

[0031] The water inlet pipe 2 is threadedly connected to the end cover 1. By providing the end cover 1, foreign matter is prevented from entering the water tank 3.

[0032] The water tank 3 is connected to a water pump 4. By using the water pump 4 and connecting the water pump 4 and the spray pipe with a hose, the water in the water tank 3 is supplied to the spray pipe, and the water is sprayed out.

[0033] The crawler chassis 8 has a built-in controller that can achieve automatic cruising (this is a prior art and will not be described in detail here). The water pump 4 and the motor 13 are electrically connected to the controller, and the controller is wirelessly connected to a remote controller, which controls the water pump 4, the crawler chassis 8 and the motor 13 by controlling the remote controller.

[0034] The workflow of this embodiment is:

[0035] Use a hose to connect one end to the water pump and the other end to the spray pipe.

[0036] Control the crawler chassis 8 to move, realize the movement of the device in the box inside the box beam, control the motor 13 to rotate, and turn on the water pump 4. The motor 13 drives the turntable 14 to rotate, the turntable 14 drives the round block 15 to swing in the power slot 18, the round block 15 drives the power slot 18 to move back and forth, the power slot 18 drives the front bracket 17 to move back and forth along the circular guide rod 6, the front bracket 17 drives the front nozzle 16 to move back and forth in the left and right directions, the front bracket 17 drives the connecting rod 12 to swing, the connecting rod 12 drives the side bracket 11 to move back and forth along the circular guide rod 6, the side bracket 11 drives the side nozzle mounting frame 10 and the side nozzle 9 to move back and forth in the front and rear directions, the water pump 4 works, so that the water in the water tank 3 enters the front nozzle 16 and the side nozzle 9 through the hose, and is sprayed from the front nozzle 16 and the side nozzle 9, and sprayed to the box inside the box beam to achieve health preservation.

[0037] Embodiment 2: This embodiment is further described on the basis of embodiment 1, the circular guide rod 6 is rotatably connected to the U-shaped shaft 20, the U-shaped shaft 20 is connected to the rear nozzle 21, one of the side brackets 11 is rotatably connected to one end of the side connecting rod 19, and the other end of the side connecting rod 19 is rotatably connected to the U-shaped shaft 20. By adopting the connecting rod rotatable connection, the rear nozzle 21 is reciprocated and the water spray curing of the inner box of the box beam is realized.

[0038] The workflow of this embodiment is:

[0039] The side bracket 11 drives the side connecting rod 19 to swing back and forth, the side connecting rod 19 drives the U-shaped shaft 20 to swing back and forth, the U-shaped shaft 20 drives the rear nozzle 21 to swing back and forth, and when the water pump 4 is working, the rear nozzle 21 sprays water.

[0040] Although the specific implementation methods of the utility model are described above in conjunction with the accompanying drawings, this does not limit the scope of protection of the utility model. On the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. A box beam inner box health-preserving trolley, characterized by: It comprises a crawler chassis (8), the upper side of which is connected to a mounting plate (5); A water tank (3) is arranged on the upper side of the mounting plate (5) and is connected to the mounting plate (5); A circular guide rod (6), the four corners of which are respectively connected to vertical rods (7), and each of the vertical rods (7) is respectively connected to the mounting plate (5); A front nozzle (16) connected to a front bracket (17), wherein the circular guide rod (6) passes through the front bracket (17); A motor (13) is connected to the mounting plate (5) via a motor bracket, an output shaft of the motor (13) is connected to a rotating disk (14), and an eccentric portion of the rotating disk (14) is connected to a round block (15); A power groove (18) is connected to the front bracket (17), and the round block (15) is arranged in the power groove (18).

2. A box beam inner box health-preserving trolley according to claim 1, characterized in that: The circular guide rod (6) passes through two side brackets (11), the two side brackets (11) are respectively connected to the side nozzle mounting frames (10), and the two side nozzle mounting frames (10) are respectively fixedly connected to a group of side nozzles (9).

3. A box beam inner box health-preserving trolley according to claim 2, characterized in that: The front bracket (17) is rotatably connected to one end of a symmetrical connecting rod (12), and the other ends of the two connecting rods (12) are respectively rotatably connected to the corresponding side brackets (11).

4. A box beam inner box health-preserving trolley according to claim 3, characterized in that: The circular guide rod (6) is rotatably connected to a U-shaped shaft (20), the U-shaped shaft (20) is connected to a rear nozzle (21), and one of the side brackets (11) is rotatably connected to one end of a side connecting rod (19), the other end of the side connecting rod (19) is rotatably connected to the U-shaped shaft (20).

5. The box girder inner box curing trolley according to claim 1 is characterized by: The water tank (3) is fixedly connected to the water inlet pipe (2).

6. A box beam inner box health-preserving trolley according to claim 5, characterized in that: The water inlet pipe (2) is threadedly connected to the end cover (1).

7. The box girder inner box health-preserving trolley according to claim 1 is characterized by: The water tank (3) is connected to a water pump (4).