Maintenance structure of cast-in-place box girder

By designing automated left and right watering mechanisms, the problem of time-consuming and labor-intensive water spraying maintenance of cast-in-place box girders was solved, realizing automated water spraying maintenance and improving efficiency and water utilization.

CN223738487UActive Publication Date: 2025-12-30ZHEJIANG COMM CONSTR GRP CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520088222.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-12-30
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

Water curing of cast-in-place box girders requires manual operation, which is time-consuming and labor-intensive, and the existing spraying structure cannot automatically avoid obstacles.

Method used

Design a maintenance structure that includes a left watering mechanism and a right watering mechanism. A rotary motor drives the spraying mechanism to spray water above and below the flange of the box girder. The spraying mechanism is rotatable and can automatically avoid obstacles when not spraying.

Benefits of technology

It has achieved automated water spraying maintenance, improved spraying efficiency, reduced manual labor intensity, and increased water utilization.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223738487U_ABST
    Figure CN223738487U_ABST
Patent Text Reader

Abstract

The utility model provides a maintenance structure of a cast-in-place box girder, which comprises a left watering mechanism and a right watering mechanism with the same structure, the left watering mechanism comprises a left vertical frame, an upper left spraying mechanism connected to the left vertical frame through an upper left rotating shaft extending in the longitudinal bridge direction, a lower left spraying mechanism connected to the left vertical frame through a lower left rotating shaft extending in the longitudinal bridge direction, and a left rotating motor driving the upper left rotating shaft to rotate. The upper left gear is connected to the upper left rotating shaft, the lower left gear is connected to the lower left rotating shaft and meshed with the upper left gear, the upper left spraying mechanism is used for spraying water to the upper surface of the panel above the left flange, and the lower left spraying mechanism is used for spraying water to the lower surface of the left flange below the left flange. The utility model aims to provide the maintenance structure of the cast-in-place box girder, which is not practical and capable of avoiding, and solves the problem that the existing cast-in-place box girder is time-wasting and labor-wasting due to manual water spraying maintenance.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field especially relates to a maintenance structure of cast-in-place box girder. BACKGROUND

[0002] For the cast-in-place box girder production needs to carry out water conservation, the existing conservation water is manually or through the spray structure that cannot automatically remove to avoid, manual spraying is time-consuming and laborious. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of maintenance structure of cast-in-place box girder that can avoid, solve the problems of time-consuming and laborious of the existing cast-in-place box girder by artificial water conservation.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technology: a kind of maintenance structure of cast-in-place box girder, the box girder includes panel and the middle beam of pouring in the middle part of the lower surface of panel, the panel is formed left flange towards left beyond middle beam, right flange is formed right beyond middle beam, it is characterized by including left water spraying mechanism and right water spraying mechanism, the left water spraying mechanism includes left stand, left upper spray mechanism is connected on left stand by the left upper pivot of longitudinal bridge extension, left lower spray mechanism is connected on left stand by the left lower pivot of longitudinal bridge extension, left rotation motor is driven left upper pivot rotation, left upper gear is connected on left upper pivot and right lower gear is connected on left lower pivot, left upper spray mechanism is used to water spray on the upper surface of panel above left flange, left lower spray structure is used to water spray on the lower surface of left flange below left flange;The right water spraying mechanism includes right stand, right upper spray mechanism is connected on right stand by the right upper pivot of longitudinal bridge extension, right lower spray mechanism is connected on right stand by the right lower pivot of longitudinal bridge extension, right rotation motor is driven right upper pivot rotation, right upper gear is connected on right upper pivot and right lower gear is connected on right lower pivot, right upper spray mechanism is used to water spray on the upper surface of panel above right, right lower spray structure is used to water spray on the lower surface of right flange below right flange.

[0005] As preferred, the left upper spraying mechanism comprises a left upper plate with a left upper water distribution cavity inside and a plurality of left upper spray holes on the lower surface of the left upper plate communicating with the left upper water distribution cavity, the left upper water distribution cavity is provided with a left upper water inlet communicating with the outlet end of the water pump; the left lower spraying mechanism comprises a left lower plate with a left lower water distribution cavity inside and a left lower spray hole on the upper surface of the left lower plate communicating with the left lower water distribution cavity, the left lower water distribution cavity is provided with a left lower water inlet communicating with the outlet end of the water pump; the right upper spraying mechanism comprises a right upper plate with a right upper water distribution cavity inside and a right upper spray hole on the lower surface of the right upper plate communicating with the right upper water distribution cavity, the right upper water distribution cavity is provided with a right upper water inlet communicating with the outlet end of the water pump; the right lower spraying mechanism comprises a right lower plate with a right lower water distribution cavity inside and a right lower spray hole on the upper surface of the right lower plate communicating with the right lower water distribution cavity, the right lower water distribution cavity is provided with a right lower water inlet communicating with the outlet end of the water pump.

[0006] As preferred, the left upper flat plate comprises a left upper flat plate left upper half section and a left upper flat plate right upper half section, the left upper water distribution cavity in the left upper flat plate left upper half section penetrates through the right end of the left upper flat plate left upper half section to form a left upper flat plate connecting port, the left end of the left upper flat plate right upper half section is inserted into the left upper flat plate left upper half section through the left upper flat plate connecting port, the left upper water inlet is arranged on the lower surface of the left upper flat plate left upper half section and the left upper flat plate right upper half section, the left upper flat plate connecting port is supported by the left upper flat plate inner turn-up edge of the left upper flat plate right upper half section, and the right end of the left upper flat plate right upper half section is supported on the inner surface of the left upper flat plate left upper half section by the left upper flat plate outer turn-up edge; the left lower flat plate comprises a left lower flat plate left lower half section and a left lower flat plate right lower half section, the left lower water distribution cavity in the left lower flat plate left lower half section penetrates through the right end of the left lower flat plate left lower half section to form a left lower flat plate connecting port, the left end of the left lower flat plate right lower half section is inserted into the left lower flat plate left lower half section through the left lower flat plate connecting port, the left lower water inlet is arranged on the upper surface of the left lower flat plate left lower half section and the left lower flat plate right lower half section, the left lower flat plate connecting port is supported by the left lower flat plate inner turn-up edge of the left lower flat plate right lower half section, and the right end of the left lower flat plate right lower half section is supported on the inner surface of the left lower flat plate left lower half section by the left lower flat plate outer turn-up edge; the right upper flat plate comprises a right upper flat plate right upper half section and a right upper flat plate left upper half section, the right upper water distribution cavity in the right upper flat plate right upper half section penetrates through the left end of the right upper flat plate right upper half section to form a right upper flat plate connecting port, the right end of the right upper flat plate left upper half section is inserted into the right upper flat plate right upper half section through the right upper flat plate connecting port, the right upper water inlet is arranged on the lower surface of the right upper flat plate right upper half section and the right upper flat plate left upper half section, the right upper flat plate connecting port is supported by the right upper flat plate inner turn-up edge of the right upper flat plate left upper half section, and the right end of the right upper flat plate left upper half section is supported on the inner surface of the right upper flat plate right upper half section by the right upper flat plate outer turn-up edge; and the right lower flat plate comprises a right lower flat plate right lower half section and a right lower flat plate left lower half section, the right lower water distribution cavity in the right lower flat plate right lower half section penetrates through the left end of the right lower flat plate right lower half section to form a right lower flat plate connecting port, the right end of the right lower flat plate left lower half section is inserted into the right lower flat plate right lower half section through the right lower flat plate connecting port, the right lower water inlet is arranged on the upper surface of the right lower flat plate right lower half section and the right lower flat plate left lower half section, the right lower flat plate connecting port is supported by the right lower flat plate inner turn-up edge of the right lower flat plate left lower half section, and the right end of the right lower flat plate right lower half section is supported on the inner surface of the right lower flat plate right lower half section by the right lower flat plate outer turn-up edge.

[0007] As preferred, the right end face of the left lower panel section right lower half section is arc face, and the left end face of the right lower panel section left lower half section is arc face.

[0008] As preferred, the right end face of the left lower panel section right lower half section is arc face, and the left end face of the right lower panel section left lower half section is arc face.

[0009] Beneficial effect: can carry out spraying, can carry out avoidance when not using, can improve the utilization rate of water. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the schematic view when the utility model is about to spray;

[0011] Figure 2 It is the enlarged schematic view of left watering mechanism;

[0012] Figure 3 It is the right view schematic view of left lower panel;

[0013] Figure 4 It is the schematic view when the utility model sprays;

[0014] Figure 5 It is the schematic view when the utility model is in avoidance state.

[0015] In the drawing: panel 1, center beam 2, left flange 3, right flange 4, left stand 7, left upper rotating shaft 8, left upper spraying mechanism 9, left lower rotating shaft 10, left lower spraying mechanism 11, left rotating motor 12, left upper gear 13, left lower gear 14, right stand 15, right upper rotating shaft 16, right upper spraying mechanism 17, right lower rotating shaft 18, right lower spraying mechanism 19, right rotating motor 20, right upper gear 21, right lower gear 22, left upper water distribution cavity 23, left upper panel 24, left upper spray hole 25, left upper water inlet 26, left lower water distribution cavity 27, left lower panel 28, left lower spray hole 29, left lower water inlet 30, left upper panel section left upper half section 31, left upper panel section right upper half section 32, left upper panel section inside turnup 33, left upper panel section outside turnup 34, left lower panel section left lower half section 35, left lower panel section right lower half section 36, left lower panel section inside turnup 37, left lower panel section outside turnup 38, left lower panel section vertical through groove 39, right upper panel 40, right lower panel 41, right upper panel section right upper half section 42, right upper panel section left upper half section 43, right lower panel section right lower half section 44, right lower panel section left lower half section 45. DETAILED DESCRIPTION

[0016] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work under the premise that the scope of the present application is within the scope of the present application.

[0017] Referring to Figures 1 to 5 The utility model discloses a maintenance structure of cast-in-place box girder, and the box girder includes a panel 1 and a middle beam 2 poured in the middle part of the lower surface of the panel, the panel forms a left flange 3 by exceeding the middle beam to the left and forms a right flange 4 by exceeding the middle beam to the right. The utility model includes a left water pouring mechanism and a right water pouring mechanism. The left water pouring mechanism includes a left stand 7, a left upper spraying mechanism 9 connected to the left stand through a left upper rotating shaft 8 extended in the longitudinal direction, a left lower spraying mechanism 11 connected to the left stand through a left lower rotating shaft 10 extended in the longitudinal direction, a left rotating motor 12 for driving the left upper rotating shaft to rotate, a left upper gear 13 connected to the left upper rotating shaft and a left lower gear 14 connected to the left lower rotating shaft and meshed together with the left upper gear, the left upper spraying mechanism is used for spraying water on the upper surface of the panel above the left flange, and the left lower spraying mechanism is used for spraying water on the lower surface of the left flange below the left flange. The right water pouring mechanism includes a right stand 15, a right upper spraying mechanism 17 connected to the right stand through a right upper rotating shaft 16 extended in the longitudinal direction, a right lower spraying mechanism 19 connected to the right stand through a right lower rotating shaft 18 extended in the longitudinal direction, a right rotating motor 20 for driving the right upper rotating shaft to rotate, a right upper gear 21 connected to the right upper rotating shaft and a right lower gear 22 connected to the right lower rotating shaft and meshed together with the right upper gear, the right upper spraying mechanism is used for spraying water on the upper surface of the panel above the right flange, and the right lower spraying mechanism is used for spraying water on the lower surface of the right flange below the right flange.

[0018] The left upper spraying mechanism comprises a left upper flat plate 24 with a left upper water distribution cavity 23 inside and a plurality of left upper spray holes 25 on the lower surface of the left upper flat plate for communicating with the left upper water distribution cavity. The left upper water distribution cavity is provided with a left upper water inlet 26 for communicating with the outlet end of the water pump. The left lower spraying mechanism comprises a left lower flat plate 28 with a left lower water distribution cavity 27 inside and a plurality of left lower spray holes 29 on the upper surface of the left lower flat plate for communicating with the left lower water distribution cavity. The left lower water distribution cavity is provided with a left lower water inlet 30 for communicating with the outlet end of the water pump. Specifically, the left upper flat plate comprises a left upper flat plate left upper half 31 and a left upper flat plate right upper half 32. The part of the left upper water distribution cavity inside the left upper flat plate left upper half penetrates through the right end of the left upper flat plate left upper half to form a left upper flat plate connecting port. The left end of the left upper flat plate right upper half penetrates into the left upper flat plate left upper half through the left upper flat plate connecting port. The lower surfaces of the left upper flat plate left upper half and the left upper flat plate right upper half are both provided with the left upper water inlet. The left upper flat plate connecting port is provided with a left upper flat plate inner turning edge 33 to support the left upper flat plate right upper half. The right end of the left upper flat plate right upper half is provided with a left upper flat plate outer turning edge 34 to be supported on the inner surface of the left upper flat plate left upper half. The left lower flat plate comprises a left lower flat plate left lower half 35 and a left lower flat plate right lower half 36. The part of the left lower water distribution cavity inside the left lower flat plate left lower half penetrates through the right end of the left lower flat plate left lower half to form a left lower flat plate connecting port. The left end of the left lower flat plate right lower half penetrates into the left lower flat plate left lower half through the left lower flat plate connecting port. The upper surfaces of the left lower flat plate left lower half and the left lower flat plate right upper half are both provided with the left lower water inlet. The left lower flat plate connecting port is provided with a left lower flat plate inner turning edge 37 to support the left lower flat plate right lower half. The right end of the left lower flat plate right lower half is provided with a left lower flat plate outer turning edge 38 to be supported on the inner surface of the left lower flat plate left lower half. When the left lower flat plate is in a flat state, the left lower flat plate right lower half can be output to abut against the center beam. The right end surface of the left lower flat plate right lower half is provided with a left lower flat plate vertical through groove 39 distributed along the longitudinal direction. The right end surface of the left lower flat plate right lower half is an arc surface.

[0019] The structure of the right upper plate is the same as that of the left upper plate, and the structure of the right lower plate is the same as that of the left lower plate. Specifically, the right upper spraying mechanism comprises a right upper plate 40 provided with a right upper water distribution cavity and a right upper spray hole communicating with the right upper water distribution cavity and arranged on the lower surface of the right upper plate, and the right upper water distribution cavity is provided with a right upper water inlet communicating with the outlet end of the water pump; the right lower spraying mechanism comprises a right lower plate 41 provided with a right lower water distribution cavity and a right lower spray hole communicating with the right lower water distribution cavity and arranged on the upper surface of the right lower plate, and the right lower water distribution cavity is provided with a right lower water inlet communicating with the outlet end of the water pump. The right upper plate comprises a right upper plate right upper half 42 and a right upper plate left upper half 43, the part of the right upper water distribution cavity located in the right upper plate right upper half penetrates the left end of the right upper plate right upper half to form a right upper plate right upper half connecting port, the right end of the right upper plate left upper half penetrates into the right upper plate right upper half through the right upper plate right upper half connecting port, the lower surfaces of the right upper plate right upper half and the right upper plate left upper half are both provided with the right upper water inlet, the right upper plate right upper half connecting port is provided with a right upper plate right upper half inward flange to support the right upper plate left upper half, and the right end of the right upper plate left upper half is provided with a right upper plate right upper half outward flange to be supported on the inner surface of the right upper plate right upper half; the right lower plate comprises a right lower plate right lower half 44 and a right lower plate left lower half 45, the part of the right lower water distribution cavity located in the right lower plate right lower half penetrates the left end of the right lower plate right lower half to form a right lower plate right lower half connecting port, the right end of the right lower plate left lower half penetrates into the right lower plate right lower half through the right lower plate right lower half connecting port, the upper surfaces of the right lower plate right lower half and the right lower plate left lower half are both provided with the right lower water inlet, the right lower plate right lower half connecting port is provided with a right lower plate right lower half inward flange to support the right lower plate left lower half, and the right end of the right lower plate right lower half is provided with a right lower plate right lower half outward flange to be supported on the inner surface of the right lower plate right lower half. When the right lower plate is in a flat state, the right lower plate left lower half can be output to abut against the center beam, and the left end surface of the right lower plate left lower half is provided with a right lower plate left lower half vertical through groove distributed along the longitudinal bridge direction. The left end surface of the right lower plate left lower half is an arc surface.

[0020] When not spraying, the left upper plate is in a vertical state to avoid the left upper shaft rotating by the left rotating motor, the left lower plate is in a vertical state to avoid by the left upper shaft driving the left lower gear through the left upper gear, the right upper plate is in a vertical state to avoid by the right upper shaft rotating by the right rotating motor, and the right lower plate is in a vertical state to avoid by the right upper shaft driving the right lower gear through the right upper gear. The extension of the left and right upper plates is driven by water pressure when spraying, and the contraction of the left and right upper plates is completed under the action of gravity. The extension of the left and right lower plates is completed by gravity, and the contraction of the left and right upper plates is extruded and contracted when rotating and contacting the middle beam.

[0021] Referring to Figure 4 When spraying, water is pumped to each water distribution cavity by the water pump, and then sprayed out of each spray hole. The water sprayed out of the left and right lower plates sprays the lower surfaces of the left and right flanges at the same time, and finally flows down from the middle beam to maintain the middle beam.

[0022] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0023] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A maintenance structure for a cast-in-place box girder, the box girder comprising a deck and a mid girder cast in a middle portion of a lower surface of the deck, the deck having a left flange formed by overhanging the mid girder to the left and a right flange formed by overhanging the mid girder to the right, characterized in that, The left watering mechanism comprises a left stand, a left upper spraying mechanism connected to the left stand through a left upper rotating shaft extending in the longitudinal direction, a left lower spraying mechanism connected to the left stand through a left lower rotating shaft extending in the longitudinal direction, a left rotating motor for driving the left upper rotating shaft to rotate, a left upper gear connected to the left upper rotating shaft, and a left lower gear connected to the left lower rotating shaft and engaged with the left upper gear; the left upper spraying mechanism is used for spraying water on the upper surface of the panel above the left flange, and the left lower spraying mechanism is used for spraying water on the lower surface of the left flange below the left flange.

2. The curing structure for cast-in-situ box girder according to claim 1, characterized in that, The left upper spraying mechanism comprises a left upper flat plate provided with a left upper water distribution cavity and a plurality of left upper spray holes arranged on the lower surface of the left upper flat plate and communicating with the left upper water distribution cavity; the left upper water distribution cavity is provided with a left upper water inlet for communicating with the outlet end of the water pump; the left lower spraying mechanism comprises a left lower flat plate provided with a left lower water distribution cavity and a left lower spray hole arranged on the upper surface of the left lower flat plate and communicating with the left lower water distribution cavity; the left lower water distribution cavity is provided with a left lower water inlet for communicating with the outlet end of the water pump; the right upper spraying mechanism comprises a right upper flat plate provided with a right upper water distribution cavity and a right upper spray hole arranged on the lower surface of the right upper flat plate and communicating with the right upper water distribution cavity; the right upper water distribution cavity is provided with a right upper water inlet for communicating with the outlet end of the water pump; and the right lower spraying mechanism comprises a right lower flat plate provided with a right lower water distribution cavity and a right lower spray hole arranged on the upper surface of the right lower flat plate and communicating with the right lower water distribution cavity; the right lower water distribution cavity is provided with a right lower water inlet for communicating with the outlet end of the water pump.

3. The curing structure for cast-in-situ box girder according to claim 2, characterized in that, The left upper plate comprises a left upper plate left upper half segment and a left upper plate right upper half segment, the left upper water distribution cavity is formed by penetrating the right end of the left upper plate left upper half segment to form a left upper plate connecting port, the left end of the left upper plate right upper half segment is inserted into the left upper plate left upper half segment through the left upper plate connecting port, the left upper water inlet is arranged on the lower surface of the left upper plate left upper half segment and the left upper plate right upper half segment, the left upper plate connecting port is supported by the left upper plate inner turning edge, and the right end of the left upper plate right upper half segment is supported on the inner surface of the left upper plate left upper half segment by the left upper plate outer turning edge; the left lower plate comprises a left lower plate left lower half segment and a left lower plate right lower half segment, the left lower water distribution cavity is formed by penetrating the right end of the left lower plate left lower half segment to form a left lower plate connecting port, the left end of the left lower plate right lower half segment is inserted into the left lower plate left lower half segment through the left lower plate connecting port, the left lower water inlet is arranged on the upper surface of the left lower plate left lower half segment and the left lower plate right upper half segment, the left lower plate connecting port is supported by the left lower plate inner turning edge, and the right end of the left lower plate right lower half segment is supported on the inner surface of the left lower plate left lower half segment by the left lower plate outer turning edge; the right upper plate comprises a right upper plate right upper half segment and a right upper plate left upper half segment, the right upper water distribution cavity is formed by penetrating the left end of the right upper plate right upper half segment to form a right upper plate connecting port, the right end of the right upper plate left upper half segment is inserted into the right upper plate right upper half segment through the right upper plate connecting port, the right upper water inlet is arranged on the lower surface of the right upper plate right upper half segment and the right upper plate left upper half segment, the right upper plate connecting port is supported by the right upper plate inner turning edge, and the right end of the right upper plate left upper half segment is supported on the inner surface of the right upper plate right upper half segment by the right upper plate outer turning edge; and the right lower plate comprises a right lower plate right lower half segment and a right lower plate left lower half segment, the right lower water distribution cavity is formed by penetrating the left end of the right lower plate right lower half segment to form a right lower plate connecting port, the right end of the right lower plate left lower half segment is inserted into the right lower plate right lower half segment through the right lower plate connecting port, the right lower water inlet is arranged on the upper surface of the right lower plate right lower half segment and the right lower plate left lower half segment, the right lower plate connecting port is supported by the right lower plate inner turning edge, and the right end of the right lower plate right lower half segment is supported on the inner surface of the right lower plate right lower half segment by the right lower plate outer turning edge.

4. The curing structure for cast-in-situ box girder according to claim 3, characterized in that, The right lower panel is in a flat state, and the right lower half of the right lower panel can be output to abut on the center beam. A vertical through groove of the right lower panel is distributed along the longitudinal direction of the bridge on the right end surface of the right lower half of the right lower panel.

5. The curing structure for cast-in-situ box girder according to claim 4, characterized in that, The right end surface of the right lower half of the right lower panel is an arc surface, and the left end surface of the left lower half of the right lower panel is an arc surface.