CN114953141B - Heating and heat preservation device for winter construction of segmental box girder - Google Patents
Heating and heat preservation device for winter construction of segmental box girder Download PDFInfo
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- CN114953141B CN114953141B CN202210630350.0A CN202210630350A CN114953141B CN 114953141 B CN114953141 B CN 114953141B CN 202210630350 A CN202210630350 A CN 202210630350A CN 114953141 B CN114953141 B CN 114953141B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The invention relates to the technical field of box girder construction, in particular to a heating and heat-preserving device for segment box girder winter construction, which comprises a pedestal, a movable push-pull shed, a heat-preserving assembly and two groups of lifting mechanisms, wherein the movable push-pull shed consists of a push-pull frame, tarpaulin and a plurality of V-shaped opening and closing plates, two openings are arranged at the top of the tarpaulin, a plurality of pipeline through holes are respectively arranged at two sides of the tarpaulin, each group of lifting mechanisms comprises a lifting platform and two first shearing fork arms, the heat-preserving assembly comprises two solar panels and a plurality of groups of heat-preserving lamp panels, the heat-preserving shed of the device is a push-pull shed, can be contracted when not in use, can be unfolded when in use, does not need to be built in advance, the solar panels arranged on the lifting mechanisms can continuously supply power to each heat-preserving lamp panel by solar energy, is energy-saving and environment-friendly, the solar panels can be ejected out of the push-pull shed through the lifting mechanisms when the push-pull shed is not in use, the solar panels can be continuously collected, and the heat-preserving lamp panels can be prepared in advance for electricity consumption.
Description
Technical Field
The invention relates to the technical field of box girder construction, in particular to a heating and heat-preserving device for winter construction of a segmental box girder.
Background
The utility model provides a box girder, the bridge engineering middle beam, the inside is hollow form, the upper portion both sides have the edge of a wing, the like case, thereby get the name, divide into single case, multiple case etc. the box girder of reinforced concrete structure divides into prefabricated box girder and cast-in-place box girder, the box girder that prefabricates in independent place combines the bridge girder erection machine and can erect after the lower part engineering is accomplished, can accelerate the engineering progress, saving the time limit for a project, cast-in-place box girder is used for large-scale continuous bridge, wherein, the box girder can harden after pouring, mainly because of cement hydration's result, and hydration then needs the box girder to harden the stage in the environment that is in heat preservation and moisture preservation, consequently, in order to guarantee that the box girder has suitable hardening condition, it constantly increases to have a stage of maintenance to have required after the box girder is pour, traditional to place the box girder's heat preservation device in the warm shed that sets up, but this kind of warm shed is mostly on site, waste manpower and time, and saving energy and environmental protection are poor, and the warm equipment energy-saving and the warm environment protection effect of warm shed is used for large box girder is difficult to be constructed in advance, when the heat preservation is consumed a stage is used for the warm a warm-keeping device is difficult to be solved in winter, the warm-keeping device is required to heat the heat preservation of the heat-insulating device of the stage is difficult to be had in the stage of the heat was used to be had to be used to heat a winter to be had to heat the heat preservation in the heat-insulating stage in the heat winter stage was required to be had.
Disclosure of Invention
Based on the above, it is necessary to provide a heating and heat-preserving device for winter construction of a segmental box girder, aiming at the problems of the prior art.
In order to solve the problems in the prior art, the invention adopts the following technical scheme: a heating and heat preservation device for winter construction of a segmental box girder, comprising:
The pedestal is horizontally arranged on the ground;
The movable push-pull shed is arranged at the side of the pedestal and consists of a push-pull frame, tarpaulin and a plurality of V-shaped opening and closing plates, the push-pull frame is of a segmental telescopic structure, the V-shaped opening and closing plates are arranged at the top of the push-pull frame at equal intervals along the horizontal direction, the middle part of each V-shaped opening and closing plate is hinged, two ends of each V-shaped opening and closing plate can be closed in opposite directions and opened in opposite directions along with the push and pull of the push-pull frame, the tarpaulin is coated on the push-pull frame, two openings are formed in the top of the tarpaulin, and a plurality of pipeline through holes are respectively formed in two sides of the tarpaulin;
Two sets of elevating system are symmetrical state and locate the top of wherein two V-arrangement opening and closing boards respectively, and every elevating system of group all includes:
The lifting platform is horizontally arranged on the opening corresponding to the awning cloth;
The first shearing fork arms are in symmetrical states, each first shearing fork arm is arranged between the lifting platform and the corresponding V-shaped opening and closing plate, and the two first shearing fork arms can synchronously drive the lifting platform to lift along with the closing and opening of the corresponding V-shaped opening and closing plate;
the heat preservation subassembly is located the top of push-and-pull frame, and the heat preservation subassembly includes:
the heat-insulating lamp panels are arranged on one side, close to the pedestal, of the corresponding V-shaped opening and closing plate;
and the two solar panels are respectively arranged on the corresponding lifting platforms.
Further, the push-pull frame comprises a plurality of inverted U-shaped support frames which are distributed at equal intervals along the horizontal direction, every two adjacent inverted U-shaped support frames are connected through two second shearing fork arms which are in symmetrical states, and two braking wheels which are in symmetrical states are fixedly arranged at the bottoms of two vertical ends of each inverted U-shaped support frame.
Further, each V-shaped opening and closing plate is arranged between the two corresponding inverted U-shaped supporting frames, each V-shaped opening and closing plate is composed of two mutually symmetrical supporting plates, one ends of opposite sides of the two supporting plates are mutually hinged, the other ends of the two supporting plates are hinged to the tops of the corresponding inverted U-shaped supporting frames, and each group of heat-preservation lamp plates are uniformly fixed to the bottoms of the corresponding supporting plates at equal intervals along the length direction of the corresponding supporting plates.
Further, each group of lifting mechanisms further comprises:
The two strip-shaped sliding rails are in symmetrical states and are fixedly arranged at the top of one of the supporting plates at intervals along the length direction of the supporting plate, each strip-shaped sliding rail is parallel to the corresponding supporting plate, and the length direction of each strip-shaped sliding rail is perpendicular to the length direction of the corresponding supporting plate;
the rectangular frame is horizontally arranged above the two strip-shaped sliding rails, the outer walls of the two ends of the rectangular frame are respectively provided with a strip-shaped sliding groove which is in a horizontal state and is positioned right above the corresponding strip-shaped sliding rail, each first shearing fork arm is composed of a first sliding rod and a second sliding rod which are mutually hinged in a cross manner, one end of the first sliding rod is connected with a first pulley matched with the corresponding strip-shaped sliding rail in a shaft mode, the other end of the first sliding rod is connected with the rectangular frame in a shaft mode, one end of the second sliding rod is connected with a supporting plate which is provided with the two strip-shaped sliding rails in a shaft mode and is correspondingly hinged with the supporting plate, the other end of the second sliding rod is connected with a second pulley matched with the corresponding strip-shaped sliding groove in a shaft mode, the two first pulleys are connected through a first synchronous shaft transmission mode in an axial horizontal state, and the two second pulleys are connected through a second synchronous shaft transmission mode in an axial horizontal state;
Each rectangular frame is the lifting platform in each group of lifting mechanisms, and the two solar panels are horizontally and fixedly arranged on the corresponding rectangular frames respectively.
Further, each rectangular frame is composed of two supporting arms in a symmetrical state and two connecting arms in a symmetrical state, each supporting arm is located right above a corresponding strip-shaped sliding rail, each strip-shaped sliding groove is formed in the side wall of one side of the corresponding supporting arm, one end of each connecting arm is provided with a pair of elastic pieces in a symmetrical state, one end of each supporting arm is provided with a clamping groove, two ends of one connecting arm are respectively clamped in the two strip-shaped sliding grooves through two pairs of elastic pieces, and two ends of the other connecting arm are respectively clamped in the two clamping grooves through two pairs of elastic pieces.
Further, a reinforcing arm parallel to the corresponding connecting arm is clamped between each pair of supporting arms, a pair of second spring plates in a symmetrical state are formed at one end of each reinforcing arm, and a second clamping groove matched with the corresponding second spring plates is formed in the middle of each supporting arm.
Further, two fixing frames are respectively and fixedly arranged at two ends of each rectangular frame, an arc-shaped transparent plate with a high middle end and a low two ends is arranged between each pair of fixing frames, each arc-shaped transparent plate is fixedly connected with the corresponding two fixing frames at two ends respectively, each arc-shaped transparent plate is located right above the corresponding solar panel, each arc-shaped transparent plate can completely cover an opening corresponding to the awning cloth, and a circle of sealing strips which can be attached to the top surface of the awning cloth are formed on the periphery of each arc-shaped transparent plate.
Further, all be equipped with a plurality of along pipeline through-hole's circumferencial direction evenly distributed's activity curtain on every pipeline through-hole, every activity curtain's one end all links firmly with the tarpaulin, and the other end is the activity end, and the outer fringe department of every activity curtain's activity end all is fixed and is equipped with round magnet strip, and a plurality of activity curtain can be closed corresponding pipeline through-hole through corresponding magnet strip.
Compared with the prior art, the invention has the following beneficial effects: compared with the traditional heat preservation device of box girder, firstly, the heat preservation greenhouse of this device is the push-and-pull canopy, collapsible when not using, can expand when using, need not to build in advance, labour saving and time saving, secondly, the board that opens and shuts in the push-and-pull canopy can be closed and open along with the push-and-pull of push-and-pull canopy, the regulation of angle is carried out to the heat preservation lamp plate of being convenient for installing on the board that opens and shuts, thereby the box girder in the greenhouse is heated evenly, and then structural strength of box girder everywhere is unanimous has been guaranteed, finally, the solar panel of locating on elevating system can utilize solar energy to carry out continuous power supply to every heat preservation lamp plate, energy saving and environmental protection, and can be outside the push-and-pull canopy with the solar panel ejection when not using through elevating system, ensure that solar panel can be continuous collect solar energy, make sufficient preparation to the power consumption of heat preservation lamp plate in advance.
Drawings
FIG. 1 is a schematic perspective view of an embodiment;
FIG. 2 is an enlarged schematic view of a portion of A1 shown in FIG. 1;
FIG. 3 is an enlarged schematic view of a portion of A2 indicated in FIG. 1;
FIG. 4 is a top view of an embodiment;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is an enlarged partial schematic view of A3 of FIG. 5;
FIG. 7 is an enlarged partial schematic view of A4 of FIG. 5;
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 9 is an enlarged partial schematic view of A5 of FIG. 8;
FIG. 10 is an enlarged partial schematic view of A6 of FIG. 9;
FIG. 11 is an exploded view of the perspective structure of the movable push-pull canopy of the embodiment;
FIG. 12 is an enlarged partial schematic view of A7 of FIG. 11;
FIG. 13 is an exploded view of the three-dimensional structure of the solar panel and the curved transparent panel of the embodiment;
FIG. 14 is an enlarged partial schematic view of A8 of FIG. 13;
fig. 15 is an exploded view of the perspective structure of the rectangular frame of the embodiment;
FIG. 16 is an enlarged partial schematic view of the embodiment designated A9 in FIG. 15;
FIG. 17 is an enlarged partial schematic view of the embodiment designated A10 in FIG. 15;
The reference numerals in the figures are: 1-a pedestal; 2-a push-pull frame; 3-tarpaulin; 4-V-shaped opening plate; 5-a pipeline through hole; 6-a first scissor arm; 7-heat preservation lamp panels; 8-a solar panel; 9-an inverted U-shaped support frame; 10-second shearing fork arms; 11-brake wheel; 12-supporting plates; 13-a bar-shaped slide rail; 14-a rectangular frame; 15-a strip-shaped chute; 16-number one slide bar; 17-second sliding rod; 18-pulley number one; 19-pulley II; 20-a synchronization shaft; 21-synchronous shaft II; 22-supporting arms; 23-connecting arms; 24-spring plate I; 25-a first clamping groove; 26-reinforcing arms; 27-a second spring plate; 28-a second clamping groove; 29-a fixing frame; 30-an arc-shaped transparent plate; 31-sealing strips; 32-a movable curtain; 33-magnet bar.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 17, a heating and insulating device for winter construction of a segmental box girder includes:
The pedestal 1 is horizontally arranged on the ground;
The movable push-pull shed is arranged at the side of the pedestal 1 and consists of a push-pull frame 2, awning cloth 3 and a plurality of V-shaped opening and closing plates 4, wherein the push-pull frame 2 is of a segmental telescopic structure, the plurality of V-shaped opening and closing plates 4 are arranged at the top of the push-pull frame 2 at equal intervals along the horizontal direction, the middle part of each V-shaped opening and closing plate 4 is hinged, two ends of each V-shaped opening and closing plate 4 can be oppositely closed and reversely opened along with the push-pull of the push-pull frame 2, the awning cloth 3 is coated on the push-pull frame 2, two openings are formed at the top of the awning cloth 3, and a plurality of pipeline through holes 5 are respectively formed at two sides of the awning cloth 3;
Two sets of elevating system are symmetrical state and locate the top of wherein two V-arrangement opening board 4 respectively, and every elevating system of group all includes:
the lifting platform is horizontally arranged on the opening corresponding to the awning cloth 3;
the first shearing fork arms 6 are in symmetrical states, each first shearing fork arm 6 is arranged between the lifting platform and the corresponding V-shaped opening and closing plate 4, and the first shearing fork arms 6 can synchronously drive the lifting platform to lift along with the closing and opening of the corresponding V-shaped opening and closing plate 4;
the heat preservation subassembly is located the top of push-and-pull frame 2, and the heat preservation subassembly includes:
A plurality of groups of heat-preservation lamp panels 7, wherein each group of heat-preservation lamp panels 7 is arranged on one side of the corresponding V-shaped opening and closing plate 4 close to the pedestal 1;
and the two solar panels 8 are respectively arranged on the corresponding lifting platforms.
Firstly, cement is needed to be manufactured into a cement seat (not shown in the figure) in an open field before the box girder is hung, the length of the cement seat is consistent with that of the box girder which needs to be maintained at present, the height of the cement seat is protruded out of the ground, the cement seat is a foundation for placing the pedestal 1, a placing line of the pedestal 1 can be drawn at the top of the cement seat, the pedestal 1 is convenient for the placement of the subsequent pedestal 1, the pedestal 1 is formed by fastening and splicing a plurality of section type I-steel pairs through bolts, the pedestal 1 can be detached for continuous use after maintenance is finished, the pedestal 1 is used for supporting the whole box girder, the box girder is separated from the ground by a certain height, thus the accumulated water on the ground can prevent erosion to the bottom of the box girder during raining, the structural strength of the bottom of the box girder is further reduced in the maintenance stage, after the box girder is placed on the pedestal 1, the whole movable push-pull shed is pushed to enable one end of the movable push-pull shed to be aligned with the box girder, then the movable end of the movable push-pull shed is pulled along the length direction of the box girder, the push-pull frame 2 drives the tarpaulin 3 to move and stretches the tarpaulin 3, so that the tarpaulin 3 covers the whole box girder, the whole tarpaulin 3 is fixedly connected with the top of the push-pull frame 2, the lower hem of the tarpaulin 3 needs to have a certain length after the tarpaulin 3 is completely stretched, the extra lower hem length after the tarpaulin 3 is stretched is fixed with the ground, thereby being capable of preventing warm air in the shed from leaking out from the bottom of the whole movable push-pull shed, simultaneously, the outside cold air can be prevented from entering the movable push-pull shed, one end of the awning cloth 3 is provided with an opening, the awning cloth 3 can be closed and opened through a zipper (not shown in the figure), the two ends of the awning cloth 3 can be turned upwards through the opening of the awning cloth 3, when the push-pull frame 2 is moved, the whole box girder can leak out from the opening of the awning cloth 3, when the push-pull frame 2 is pulled and moved, the whole awning cloth 3 can be changed into an open state from a contracted state, simultaneously, the two ends of each opening plate can be opened along with the opening of the awning cloth 3, thereby controlling the light irradiation angle of the corresponding heat preservation lamp plates 7 through the opening of each opening plate, and enabling the irradiation light of a plurality of heat preservation lamp plates 7 to cover the sealing area in the push-pull shed, so that the box girder is heated uniformly, the integral structural strength is consistent, the upper ends of the first shearing fork arms 6 in the lifting mechanism are opened, the lifting platform is similar to the opening of the tips of scissors, the lifting platform is in a descending state, a plurality of heat-preservation lamp panels 7 are continuously powered by a solar panel 8 arranged on the moving end of the lifting mechanism, when the push-pull frame 2 is pushed, the whole awning 3 is changed into a contracted state from the opened state, meanwhile, the upper ends of the first shearing fork arms 6 are closed inwards to drive the lifting platform to ascend, and the lifting platform extends out of the opening of the awning 3, so that when the movable push-pull shed is not used, namely, the movable push-pull shed is contracted, the two solar panels 8 can be upwards ejected out of the movable push-pull shed through the two groups of lifting mechanisms, so that when the movable push-pull shed is not used, the two solar panels 8 can continuously receive solar energy, each heat preservation lamp panel 7 is charged and stored in advance, when the movable push-pull shed is required to be used immediately, each heat preservation lamp panel 7 can be immediately lightened to generate heat preservation light rays, the movable push-pull shed can be corresponding to different weather, the heat preservation lamp panels 7 are powered by adopting solar energy, the movable push-pull shed is environment-friendly and is also suitable for each place, no power supply source is available in the place at hand, a plurality of pipeline through holes 5 on the tarpaulin 3 are used for inserting steam pipelines (not shown in the figure) in a steam engine (not shown in the figure), therefore, the whole box girder is humidified and heated through hot steam emitted by a plurality of steam pipelines, so that the humidity and the temperature in the movable push-pull shed reach the humidity and the temperature required by the maintenance box girder, then the steam pipelines can be extracted and insulated through a plurality of heat insulation lamp panels 7, and meanwhile, a hygrometer (not shown in the figure) and a thermometer (not shown in the figure) can be installed on the push-pull frame 2, so that the humidity and the temperature in the movable push-pull shed can be conveniently observed by staff on site.
Referring to fig. 11, the push-pull frame 2 is composed of a plurality of inverted U-shaped supporting frames 9 distributed at equal intervals along the horizontal direction, each two adjacent inverted U-shaped supporting frames 9 are connected through two second shearing fork arms 10 in a symmetrical state, and two symmetrical brake wheels 11 are fixedly arranged at the bottoms of two vertical ends of each inverted U-shaped supporting frame 9.
The support effect to the tarpaulin 3 is played to a plurality of inverted U-shaped support frame 9 to tarpaulin 3 links firmly with the top of a plurality of inverted U-shaped support frame 9, thereby make the top of tarpaulin 3 have certain radian, the whereabouts of the rainwater at tarpaulin 3 top of being convenient for in the time of raining, prevent that the rainwater from accumulating and collapse tarpaulin 3, no. two scissors fork arms 10 are similar to the scissors, be cross articulated form, thereby a plurality of inverted U-shaped support frame 9 can shrink and open through the effect of corresponding No. two scissors fork arms 10, a plurality of brake wheel 11 can make whole portable push-pull canopy remove, and its brake block from taking can restrict self rotation, thereby make whole portable push-pull canopy can be fixed at any time, and then after fixed with ground through tarpaulin 3 lower hem, make whole portable push-pull canopy be in stable state, prevent that the strong wind from blowing down portable push-pull canopy.
Referring to fig. 5 and 6, each opening and closing plate is arranged between the two corresponding inverted U-shaped supporting frames 9, each opening and closing plate is composed of two mutually symmetrical supporting plates 12, one ends of opposite sides of the two supporting plates 12 are mutually hinged, the other ends of the two supporting plates 12 are hinged with the tops of the corresponding inverted U-shaped supporting frames 9, and each group of heat-preservation lamp panels 7 are uniformly fixed at the bottoms of the corresponding supporting plates 12 along the length direction of the corresponding supporting plates 12 at equal intervals.
Firstly, when determining the width of each support plate 12, the maximum interval distance between two adjacent inverted U-shaped support frames 9 needs to be compared for debugging, after the push-pull frame 2 is completely pulled and moved in place, the two support plates 12 are in a V-shaped and not completely in a horizontal unfolding state, the two support plates 12 are in a V-shaped and not only can enable the corresponding irradiation angles of the heat-preservation lamp plates 7 to incline, the irradiation angles of the heat-preservation lamp plates 7 are enlarged, meanwhile, when the two support plates 12 are contracted, the two support plates 12 are only closed in opposite directions, the two support plates 12 are not reversely unfolded to be in an inverted V shape, the corresponding two heat-preservation lamp plates 7 are prevented from collision with each other, when the push-pull frame 2 is pushed and pulled, the distance between the two adjacent inverted U-shaped support frames 9 is reduced, when the push-pull frame 2 is pulled and moved, the distance between the two adjacent inverted U-shaped support frames 9 is increased, the two ends of the two support plates 12 are reversely unfolded, the irradiation angles of the heat-preservation lamp plates 7 fixedly arranged on the support plates 12 can be adjusted through the push-pull frame 2, the whole support plates can be prevented from being collided with each other, and the two support plates can be conveniently arranged between two support plates 12, and the two support plates are not be conveniently hinged, and the two support plates are more convenient to be arranged, and the two support plates are more than 12 are more convenient to be arranged, and are more than a plate 12, and can be conveniently arranged, and the support plates are more convenient to be manufactured, and the support plates are more can be hinged, and have a large, and the support plates 12.
Referring to fig. 5, 7, 8 and 9, each set of lifting mechanisms further includes:
the two symmetrical strip-shaped sliding rails 13 are fixedly arranged at the top of one of the supporting plates 12 at intervals along the length direction of the supporting plate 12, each strip-shaped sliding rail 13 is parallel to the corresponding supporting plate 12, and the length direction of each strip-shaped sliding rail 13 is perpendicular to the length direction of the corresponding supporting plate 12;
the rectangular frame 14 is horizontally arranged above the two strip-shaped sliding rails 13, the outer walls of the two ends of the rectangular frame 14 are respectively provided with a strip-shaped sliding groove 15 which is in a horizontal state and is positioned right above the corresponding strip-shaped sliding rail 13, each first shearing fork arm 6 consists of a first sliding rod 16 and a second sliding rod 17 which are mutually hinged in a cross manner, one end of the first sliding rod 16 is connected with a first pulley 18 which is matched with the corresponding strip-shaped sliding rail 13 in a shaft manner, the other end of the first sliding rod 16 is connected with the rectangular frame 14 in a shaft manner, one end of the second sliding rod 17 is connected with a supporting plate 12 which is provided with the two strip-shaped sliding rails 13 in a shaft manner and is correspondingly hinged with the supporting plate 12, the other end of the second sliding rod 17 is connected with a second pulley 19 which is matched with the corresponding strip-shaped sliding groove 15 in a shaft manner, the two first pulleys 18 are connected in a transmission manner through a first synchronous shaft 20 which is in a horizontal state in an axial direction, and the two second pulleys 19 are connected in a transmission manner through a second synchronous shaft 21 which is in a horizontal state in an axial direction;
Each rectangular frame 14 is a lifting platform in each group of lifting mechanisms, and the two solar panels 8 are horizontally and fixedly arranged on the corresponding rectangular frames 14 respectively.
The working principle of the two first shearing arms 6 is similar to that of scissors, when the push-pull frame 2 is pushed and pulled, as the two support plates 12 are closed in opposite directions, one end of each first sliding rod 16 can slide towards the hinged ends of the two support plates 12 in the corresponding strip-shaped sliding rail 13 through the action of the first pulley 18, one end of each second sliding rod 17 can slide towards the middle of the rectangular frame 14 in the corresponding strip-shaped through groove through the action of the second pulley 19, and further the whole rectangular frame 14 can be driven to move upwards through the movement mode of the two first shearing arms 6, and the corresponding two first pulleys 18 and the corresponding two second pulleys 19 can synchronously slide in the corresponding strip-shaped sliding rail 13 and the corresponding strip-shaped through groove through the first synchronizing shaft 20 and the second synchronizing shaft 21.
Referring to fig. 13, 15 and 16, each rectangular frame 14 is composed of two support arms 22 in a symmetrical state and two connecting arms 23 in a symmetrical state, each support arm 22 is located right above a corresponding bar-shaped slide rail 13, each bar-shaped chute 15 is formed on a side wall of one side of the corresponding support arm 22, one end of each connecting arm 23 is formed with a pair of first elastic pieces 24 in a symmetrical state, one end of each support arm 22 is formed with a first clamping groove 25, two ends of one connecting arm 23 are respectively clamped in the two bar-shaped chute 15 through the two pairs of first elastic pieces 24, and two ends of the other connecting arm 23 are respectively clamped in the two first clamping grooves 25 through the two pairs of first elastic pieces 24.
When the whole rectangular frame 14 is installed, one end of the same side of the two supporting arms 22 is firstly connected with one end of the first sliding rod 16 in a shaft mode, then one end of the second sliding rod 17 with the second pulley 19 is placed in the corresponding strip-shaped sliding groove 15, at the moment, the other end of the same side of the two supporting arms 22 is supported by one end of the second sliding rod 17 provided with the second pulley 19, and accordingly two ends of the two supporting arms 22 are respectively supported by one ends of the first sliding rod 16 and the second sliding rod 17 to be horizontal, at the moment, two ends of the connecting arm 23 are respectively clamped in the corresponding first clamping groove 25 and the corresponding strip-shaped sliding groove 15 under the action of the first elastic piece 24, and finally the installation of the whole rectangular frame 14 is completed.
Referring to fig. 13, 15 and 17, a reinforcing arm 26 parallel to the corresponding connecting arm 23 is clamped between each pair of supporting arms 22, a pair of second spring plates 27 in a symmetrical state are formed at one end of each reinforcing arm 26, and a second clamping groove 28 matched with the corresponding two second spring plates 27 is formed in the middle of each supporting arm 22.
The reinforcing arms 26 are used to reinforce the supporting strength of the entire rectangular frame 14 to the solar panel 8, and the installation of the reinforcing arms 26 is similar to the installation of the connecting arms 23 described above.
Referring to fig. 1,3, 11 and 13, two fixing frames 29 are respectively and fixedly arranged at two ends of each rectangular frame 14, an arc-shaped transparent plate 30 with a high middle end and a low two ends is arranged between each pair of fixing frames 29, two ends of each arc-shaped transparent plate 30 are respectively and fixedly connected with the corresponding two fixing frames 29, each arc-shaped transparent plate 30 is located right above the corresponding solar panel 8, each arc-shaped transparent plate 30 can completely cover the corresponding opening of the awning cloth 3, and a circle of sealing strips 31 which can be attached to the top surface of the awning cloth 3 are formed on the periphery of each arc-shaped transparent plate.
The arc-shaped transparent plate 30 plays a role in protecting the solar panel 8, is transparent, does not hinder the energy charging of the solar panel 8, and is used for being matched with the inverted U-shaped supporting frame 9, after the arc-shaped transparent plate 30 descends to seal the opening of the awning cloth 3, the appearance of the whole movable push-pull shed is more attractive, meanwhile, the arc-shaped transparent plate 30 can supply rainwater to slide down to two sides, accumulation of the rainwater is prevented, and a plurality of sealing strips 31 are used for completely sealing gaps between the arc-shaped transparent plate 30 and the opening of the awning cloth 3, so that the central heating in the movable push-pull shed is prevented from flowing out, and external cold air is prevented from entering.
Referring to fig. 1 and 2, each of the through holes 5 is provided with a plurality of movable curtains 32 uniformly distributed along the circumferential direction of the through hole 5, one end of each of the movable curtains 32 is fixedly connected with the awning cloth 3, the other end is a movable end, a circle of magnet strips 33 are fixedly arranged at the outer edge of the movable end of each of the movable curtains 32, and the corresponding through holes 5 can be closed by the corresponding magnet strips 33.
The movable curtains 32 are similar to curtains of mosquito nets, each movable curtain 32 can close the corresponding pipeline through hole 5 through mutual attraction of the corresponding magnet strips 33, the movable curtains 32 are convenient for closing and opening the pipeline through hole 5, and the movable curtains prevent warm air in the movable push-pull shed from flowing out and external cool air from entering during closing.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. Heating and heat preservation device for construction of segmental box girder winter is characterized in that includes:
a pedestal (1) horizontally arranged on the ground;
The movable push-pull shed is arranged at the side of the pedestal (1) and consists of a push-pull frame (2), awning cloth (3) and a plurality of V-shaped opening plates (4), the push-pull frame (2) is of a segmental telescopic structure, the plurality of V-shaped opening plates (4) are arranged at the top of the push-pull frame (2) at equal intervals along the horizontal direction, the middle part of each V-shaped opening plate (4) is hinged, the two ends of each V-shaped opening plate (4) can be oppositely closed and reversely opened along with the push-pull of the push-pull frame (2), the awning cloth (3) is coated on the push-pull frame (2), the top of the awning cloth (3) is provided with two openings, and two sides of the awning cloth (3) are respectively provided with a plurality of pipeline through holes (5);
two sets of elevating system are symmetrical state and locate the top of wherein two V-arrangement opening and closing boards (4) respectively, and every elevating system of group all includes:
the lifting platform is horizontally arranged on the opening corresponding to the awning cloth (3);
The first shearing fork arms (6) are in symmetrical states, each first shearing fork arm (6) is arranged between the lifting platform and the corresponding V-shaped opening and closing plate (4), and the two first shearing fork arms (6) can synchronously drive the lifting platform to lift along with the closing and opening of the corresponding V-shaped opening and closing plate (4);
The heat preservation subassembly is located the top of push-and-pull frame (2), and the heat preservation subassembly includes:
A plurality of groups of heat-preservation lamp panels (7), wherein each group of heat-preservation lamp panels (7) is arranged on one side of the corresponding V-shaped opening-closing plate (4) close to the pedestal (1);
and the two solar panels (8) are respectively arranged on the corresponding lifting platforms.
2. The heating and heat-preserving device for winter construction of the segmental box girder according to claim 1, wherein the push-pull frame (2) is composed of a plurality of inverted U-shaped supporting frames (9) which are distributed at equal intervals along the horizontal direction, every two adjacent inverted U-shaped supporting frames (9) are connected through two symmetrical second shearing fork arms (10), and two symmetrical brake wheels (11) are fixedly arranged at the bottoms of two vertical ends of each inverted U-shaped supporting frame (9).
3. The heating and heat-preserving device for winter construction of segmental box girders according to claim 2, characterized in that each V-shaped opening and closing plate (4) is arranged between two corresponding inverted U-shaped supporting frames (9), each V-shaped opening and closing plate (4) is composed of two mutually symmetrical supporting plates (12), one ends of opposite sides of the two supporting plates (12) are mutually hinged, the other ends of the two supporting plates (12) are hinged with the tops of the corresponding inverted U-shaped supporting frames (9), and each group of heat-preserving lamp panels (7) are fixedly arranged at the bottoms of the corresponding supporting plates (12) at equal intervals along the length direction of the corresponding supporting plates (12).
4. A segmented beam winter construction heating and insulation system as claimed in claim 3, wherein each set of lifting mechanisms further comprises:
The two symmetrical strip-shaped sliding rails (13) are fixedly arranged at the top of one supporting plate (12) at intervals along the length direction of the supporting plate (12), each strip-shaped sliding rail (13) is parallel to the corresponding supporting plate (12), and the length direction of each strip-shaped sliding rail (13) is perpendicular to the length direction of the corresponding supporting plate (12);
the rectangular frame (14) is horizontally arranged above the two strip-shaped sliding rails (13), the outer walls of the two ends of the rectangular frame (14) are respectively provided with a strip-shaped sliding groove (15) which is in a horizontal state and is positioned right above the corresponding strip-shaped sliding rail (13), each first shearing fork arm (6) is composed of a first sliding rod (16) and a second sliding rod (17) which are mutually hinged in a cross manner, one end of the first sliding rod (16) is connected with a first pulley (18) which is matched with the corresponding strip-shaped sliding rail (13) in a shaft manner, the other end of the first sliding rod (16) is connected with the rectangular frame (14) in a shaft manner, one end of the second sliding rod (17) is connected with a supporting plate (12) which is provided with the two strip-shaped sliding rails (13) in a corresponding hinged manner, the other end of the second sliding rod (17) is connected with a second pulley (19) which is matched with the corresponding strip-shaped sliding groove (15) in a shaft manner, the two pulleys (18) are connected with each other through a first synchronous shaft (20) which is in a horizontal state in an axial direction, and the two pulleys (19) are connected with each other in a horizontal state in a shaft manner;
each rectangular frame (14) is a lifting platform in each group of lifting mechanisms, and the two solar panels (8) are horizontally and fixedly arranged on the corresponding rectangular frames (14) respectively.
5. The heating and heat preservation device for winter construction of segmental box girders according to claim 4, characterized in that each rectangular frame (14) is composed of two support arms (22) in symmetrical state and two connecting arms (23) in symmetrical state, each support arm (22) is located right above a corresponding bar-shaped sliding rail (13), each bar-shaped sliding groove (15) is formed on one side wall of the corresponding support arm (22), one end of each connecting arm (23) is provided with a pair of first spring plates (24) in symmetrical state, one end of each support arm (22) is provided with a first clamping groove (25), two ends of one connecting arm (23) are respectively clamped in the two bar-shaped sliding grooves (15) through two pairs of first spring plates (24), and two ends of the other connecting arm (23) are respectively clamped in the two first clamping grooves (25) through two pairs of first spring plates (24).
6. The heating and heat preservation device for winter construction of a segmental box girder according to claim 5, wherein a reinforcing arm (26) parallel to the corresponding connecting arm (23) is clamped between each pair of supporting arms (22), a pair of second spring plates (27) in a symmetrical state are formed at one end of each reinforcing arm (26), and a second clamping groove (28) matched with the corresponding two second spring plates (27) is formed in the middle of each supporting arm (22).
7. The heating and heat preservation device for winter construction of segmental box girders according to claim 4, characterized in that two fixing frames (29) are respectively and fixedly arranged at two ends of each rectangular frame (14), an arc-shaped transparent plate (30) with high middle ends and low two ends is arranged between each pair of fixing frames (29), two ends of each arc-shaped transparent plate (30) are respectively and fixedly connected with the corresponding two fixing frames (29), each arc-shaped transparent plate (30) is located right above the corresponding solar panel (8), each arc-shaped transparent plate (30) can completely cover an opening corresponding to the tarpaulin (3), and a circle of sealing strips (31) which can be attached to the top surface of the tarpaulin (3) are formed on the periphery of each arc-shaped transparent plate.
8. The heating and heat-preserving device for winter construction of the segmental box girder according to claim 1, wherein a plurality of movable curtains (32) uniformly distributed along the circumferential direction of the pipeline through holes (5) are arranged on each pipeline through hole (5), one end of each movable curtain (32) is fixedly connected with the awning cloth (3), the other end of each movable curtain is a movable end, a circle of magnet strips (33) are fixedly arranged at the outer edge of the movable end of each movable curtain (32), and the corresponding pipeline through holes (5) can be closed by the corresponding magnet strips (33) by the plurality of movable curtains (32).
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| CN202210630350.0A CN114953141B (en) | 2022-06-06 | 2022-06-06 | Heating and heat preservation device for winter construction of segmental box girder |
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| CN202210630350.0A CN114953141B (en) | 2022-06-06 | 2022-06-06 | Heating and heat preservation device for winter construction of segmental box girder |
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Citations (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1521605A1 (en) * | 1987-11-17 | 1989-11-15 | Экспериментальное Проектно-Конструкторское И Технологическое Бюро "Стройпластик" | Sun chamber for manufacturing concrete and ferroconcrete articles |
| CN202097822U (en) * | 2011-04-25 | 2012-01-04 | 李中建 | Solar steam curing kiln for curing concrete products |
| RU2462355C2 (en) * | 2009-04-02 | 2012-09-27 | ЗАО "Ленстройтрест" | Concrete strength monitoring device |
| CN202708951U (en) * | 2012-07-19 | 2013-01-30 | 孟新炯 | Solar tent lamp |
| CN204139706U (en) * | 2014-09-17 | 2015-02-04 | 重庆天腾玻璃有限公司 | Glass hides canopy |
| CN205325950U (en) * | 2016-01-28 | 2016-06-22 | 杭州建工建材有限公司 | Portable, telescopic steam maintenance canopy |
| CN205577592U (en) * | 2016-04-25 | 2016-09-14 | 杭州玉兔遮阳蓬有限公司 | Push -and -pull covering or awning on a car, boat, etc |
| CN206035078U (en) * | 2016-08-30 | 2017-03-22 | 客贝利(厦门)休闲用品有限公司 | Take LED lamp tent of solar energy |
| CN207004161U (en) * | 2017-08-01 | 2018-02-13 | 上海派建工贸有限公司 | Tent with lamp bar |
| CN207122179U (en) * | 2017-05-29 | 2018-03-20 | 中铁十四局集团第四工程有限公司 | The flexible maintenance canopy of prefabricated girder steam curing |
| CN207783723U (en) * | 2017-12-28 | 2018-08-31 | 乐山职业技术学院 | A kind of flexible shading greenhouse of photovoltaic |
| CN208095489U (en) * | 2017-04-07 | 2018-11-16 | 连云港家特康菌菇有限公司 | A kind of planting edible mushroom roof insulating |
| CN109676775A (en) * | 2019-01-31 | 2019-04-26 | 中交二航局第四工程有限公司 | A kind of double seal formula prefabricated box -beam maintenance canopy |
| CN110948667A (en) * | 2019-12-13 | 2020-04-03 | 陕西鑫邦实业发展有限公司 | Spraying maintenance room for civil air defense door |
| CN210500761U (en) * | 2019-05-22 | 2020-05-12 | 长安大学 | A mobile telescopic prefabricated beam spray health greenhouse |
| CN210858070U (en) * | 2019-10-18 | 2020-06-26 | 沈阳城市建设学院 | Low-temperature concrete pouring greenhouse |
| CN211640386U (en) * | 2019-10-21 | 2020-10-09 | 山东科技大学 | Efficient energy-saving curing room for standard concrete components |
| CN212232365U (en) * | 2020-04-22 | 2020-12-29 | 盐城工业职业技术学院 | An intelligent agricultural greenhouse solar power supply system |
| AU2020103102A4 (en) * | 2019-11-15 | 2021-01-07 | Tongji University | Prefabricated movable photosensitive adjustment rapid disassembling and constructing solar bionic landscape pavilion |
| CN112227617A (en) * | 2020-11-10 | 2021-01-15 | 广州奥绿美智能遮阳科技有限公司 | An outdoor riding smart awning |
| CN212786817U (en) * | 2020-08-03 | 2021-03-26 | 孙凤娟 | Photovoltaic greenhouse |
| CN213143987U (en) * | 2020-09-04 | 2021-05-07 | 山西省工业设备安装集团有限公司 | Portable thermal-insulation shed is used in construction of prefabricated simple-supported box girder |
| CN112840910A (en) * | 2021-01-09 | 2021-05-28 | 井冈山大学 | Agricultural vegetable plants big-arch shelter with temperature regulation function |
| CN213306502U (en) * | 2020-08-21 | 2021-06-01 | 济南三峰益农农业科技有限公司 | Hide solar cell panel's warmhouse booth |
| CN214819520U (en) * | 2021-07-12 | 2021-11-23 | 山东省高速路桥养护有限公司 | Maintenance of prefabricated case roof beam is with health preserving device |
| CN215053842U (en) * | 2021-01-20 | 2021-12-07 | 中交二航局第四工程有限公司 | Intelligent segment beam workshop capable of automatically opening ceiling |
| CN114541227A (en) * | 2022-03-07 | 2022-05-27 | 山西四建集团有限公司 | Solar heat preservation shed suitable for concrete winter construction |
| CN216641551U (en) * | 2021-10-21 | 2022-05-31 | 湖南夏杨时代光伏技术有限公司 | Photovoltaic container prefabricated house |
| CN216740941U (en) * | 2021-12-31 | 2022-06-14 | 秦皇岛市戎马科技有限公司 | Tent with new energy power generation function |
-
2022
- 2022-06-06 CN CN202210630350.0A patent/CN114953141B/en active Active
Patent Citations (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1521605A1 (en) * | 1987-11-17 | 1989-11-15 | Экспериментальное Проектно-Конструкторское И Технологическое Бюро "Стройпластик" | Sun chamber for manufacturing concrete and ferroconcrete articles |
| RU2462355C2 (en) * | 2009-04-02 | 2012-09-27 | ЗАО "Ленстройтрест" | Concrete strength monitoring device |
| CN202097822U (en) * | 2011-04-25 | 2012-01-04 | 李中建 | Solar steam curing kiln for curing concrete products |
| CN202708951U (en) * | 2012-07-19 | 2013-01-30 | 孟新炯 | Solar tent lamp |
| CN204139706U (en) * | 2014-09-17 | 2015-02-04 | 重庆天腾玻璃有限公司 | Glass hides canopy |
| CN205325950U (en) * | 2016-01-28 | 2016-06-22 | 杭州建工建材有限公司 | Portable, telescopic steam maintenance canopy |
| CN205577592U (en) * | 2016-04-25 | 2016-09-14 | 杭州玉兔遮阳蓬有限公司 | Push -and -pull covering or awning on a car, boat, etc |
| CN206035078U (en) * | 2016-08-30 | 2017-03-22 | 客贝利(厦门)休闲用品有限公司 | Take LED lamp tent of solar energy |
| CN208095489U (en) * | 2017-04-07 | 2018-11-16 | 连云港家特康菌菇有限公司 | A kind of planting edible mushroom roof insulating |
| CN207122179U (en) * | 2017-05-29 | 2018-03-20 | 中铁十四局集团第四工程有限公司 | The flexible maintenance canopy of prefabricated girder steam curing |
| CN207004161U (en) * | 2017-08-01 | 2018-02-13 | 上海派建工贸有限公司 | Tent with lamp bar |
| CN207783723U (en) * | 2017-12-28 | 2018-08-31 | 乐山职业技术学院 | A kind of flexible shading greenhouse of photovoltaic |
| CN109676775A (en) * | 2019-01-31 | 2019-04-26 | 中交二航局第四工程有限公司 | A kind of double seal formula prefabricated box -beam maintenance canopy |
| CN210500761U (en) * | 2019-05-22 | 2020-05-12 | 长安大学 | A mobile telescopic prefabricated beam spray health greenhouse |
| CN210858070U (en) * | 2019-10-18 | 2020-06-26 | 沈阳城市建设学院 | Low-temperature concrete pouring greenhouse |
| CN211640386U (en) * | 2019-10-21 | 2020-10-09 | 山东科技大学 | Efficient energy-saving curing room for standard concrete components |
| AU2020103102A4 (en) * | 2019-11-15 | 2021-01-07 | Tongji University | Prefabricated movable photosensitive adjustment rapid disassembling and constructing solar bionic landscape pavilion |
| CN110948667A (en) * | 2019-12-13 | 2020-04-03 | 陕西鑫邦实业发展有限公司 | Spraying maintenance room for civil air defense door |
| CN212232365U (en) * | 2020-04-22 | 2020-12-29 | 盐城工业职业技术学院 | An intelligent agricultural greenhouse solar power supply system |
| CN212786817U (en) * | 2020-08-03 | 2021-03-26 | 孙凤娟 | Photovoltaic greenhouse |
| CN213306502U (en) * | 2020-08-21 | 2021-06-01 | 济南三峰益农农业科技有限公司 | Hide solar cell panel's warmhouse booth |
| CN213143987U (en) * | 2020-09-04 | 2021-05-07 | 山西省工业设备安装集团有限公司 | Portable thermal-insulation shed is used in construction of prefabricated simple-supported box girder |
| CN112227617A (en) * | 2020-11-10 | 2021-01-15 | 广州奥绿美智能遮阳科技有限公司 | An outdoor riding smart awning |
| CN112840910A (en) * | 2021-01-09 | 2021-05-28 | 井冈山大学 | Agricultural vegetable plants big-arch shelter with temperature regulation function |
| CN215053842U (en) * | 2021-01-20 | 2021-12-07 | 中交二航局第四工程有限公司 | Intelligent segment beam workshop capable of automatically opening ceiling |
| CN214819520U (en) * | 2021-07-12 | 2021-11-23 | 山东省高速路桥养护有限公司 | Maintenance of prefabricated case roof beam is with health preserving device |
| CN216641551U (en) * | 2021-10-21 | 2022-05-31 | 湖南夏杨时代光伏技术有限公司 | Photovoltaic container prefabricated house |
| CN216740941U (en) * | 2021-12-31 | 2022-06-14 | 秦皇岛市戎马科技有限公司 | Tent with new energy power generation function |
| CN114541227A (en) * | 2022-03-07 | 2022-05-27 | 山西四建集团有限公司 | Solar heat preservation shed suitable for concrete winter construction |
Non-Patent Citations (3)
| Title |
|---|
| "电蒸汽+可移动养护棚"冬期养护技术在箱梁预制中的应用;秦晓敏;胡文强;刘宁苹;;工程建设;20191215(第12期);全文 * |
| 混凝土箱梁暖棚法冬期施工;杨桂海;;城市道桥与防洪;20120515(第05期);全文 * |
| 节段拼装梁湿接缝混凝土冬季施工温度控制技术;李华;铁道标准设计;20111231(第008期);全文 * |
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