CN112575682A - Pier shaft maintenance device that is under construction winter - Google Patents
Pier shaft maintenance device that is under construction winter Download PDFInfo
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- CN112575682A CN112575682A CN202011333528.2A CN202011333528A CN112575682A CN 112575682 A CN112575682 A CN 112575682A CN 202011333528 A CN202011333528 A CN 202011333528A CN 112575682 A CN112575682 A CN 112575682A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a pier body winter construction maintenance device which comprises a base, support rings, a heat insulation sleeve and a top plate, wherein the lower part of the top plate is fixedly connected with the top edge of the heat insulation sleeve, the heat insulation sleeve is sequentially provided with the plurality of support rings from top to bottom, the bottom edge of the heat insulation sleeve is fixedly provided with the base, and the base comprises an elastic heat insulation belt and a plurality of counterweight fixing pieces. The support ring can adapt to pier bodies with various heights, the support rings with different shapes are adopted to adapt to the pier bodies with various shapes, the replacement cost is low, the support ring can be compressed and stored, the storage and transportation cost is low, the two parts are buckled together at the bottom of the pier body, the side edges of the two semi-insulation boards are sequentially buckled together along with the rising of the lifting height, the buckling is carried out along with the rising, the ascending operation is not needed, the construction efficiency is high, the elastic chassis can seal the bottom according to the terrain, and air leakage is not easy to occur; in the maintenance process, the side of the insulating sleeve can be opened, the internal condition is checked, and the maintenance quality can be detected.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a device for construction and maintenance of a pier body in winter.
Background
The pier body is used as a foundation structure of a bridge, generally a solid pier is taken as a main part, factory-made steel templates are adopted for assembly, reinforcing steel bars are processed in a processing field and then are conveyed to the field for binding, concrete is produced in a centralized mode from a mixing station, a concrete transport vehicle is conveyed to the field, the concrete is integrally cast and formed at one time, the concrete is filled into a mold through pumping, the pier body template and a tray top cap are vertically hoisted by a crane for operation, after the pier body is cast, the pier body is watered with the mold for maintenance, the mold is removed and then covered with a plastic film for maintenance, the requirement on the temperature of the concrete for maintenance is high, the temperature change condition is measured in different time periods within one day, anti-freezing measures are adopted according to the temperature amplitude difference, the concrete cannot be frozen until the compressive strength reaches 50% of the designed strength, the temperature is kept to.
Therefore, in winter or northwest areas with large temperature change, places with low temperature and large day and night temperature difference need to take measures for maintenance, and generally, a heat preservation shed is built and heated by a motor, an electric heating film, far infrared heating, steam heating and other methods. The heat preservation shed generally adopts a construction operation platform erected by splicing templates around a pier body as a supporting structure of the pier body heat preservation shed frame, the pier body heat preservation shed frame is tightly wrapped by cotton tarpaulin, a concrete pouring hole is reserved at the top end of the pier body heat preservation shed frame, the reserved concrete pouring hole is sealed and maintained after concrete pouring is finished, concrete begins to be poured when the temperature reaches 5 ℃, after the pouring is finished, the top surface of a pier column is firstly covered by a plastic film, and then the pier column is wrapped by geotextile for heat preservation. This method is complicated to operate, has poor maintenance effect and wastes energy.
Chinese patent document with application number 201610828730.X discloses a low-temperature seasonal pier stud concrete heat preservation and health preservation device, which comprises a heat preservation cylinder sleeved outside a pier stud template, wherein the heat preservation cylinder comprises a plurality of single-section cylinders sequentially connected from top to bottom, a sealing ring is arranged at the joint of two adjacent single-section cylinders, and the single-section cylinder positioned at the lowest part is fixed on the surface of a foundation; the steam supply device comprises a steam generator and a vent pipe, the steam generator is arranged outside the heat-insulating cylinder, one end of the vent pipe is connected with the steam generator, the other end of the vent pipe is sealed, the vent pipe is coiled outside the pier stud template, and a plurality of steam output holes facing the inner wall of the heat-insulating cylinder are formed in the vent pipe. Above-mentioned structure, the leakproofness is good, can guarantee that pier stud thoughtlessly famous picture surperficial temperature and humidity are even relatively, have very big help to the quality that improves the concrete, but above-mentioned structure has following shortcoming: 1. the method is characterized in that a plurality of single-section cylinders which are sequentially connected from top to bottom are adopted, a sealing ring is arranged at the joint of every two adjacent single-section cylinders, the single-section cylinder positioned at the lowest part is fixed on the surface of a foundation, the height of a pier column needs to be equal to the integral multiple of the single-section cylinders, if the height of the pier column is not the integral multiple, the redundant part of pier column body cannot be wrapped by the maintenance device, but the height of most of pier bodies is determined according to the terrain and the design, and the heights of the pier bodies have certain difference, so that the single-section cylinders with various heights are designed according to different heights and can be matched with the pier bodies to finish maintenance, and; 2. the single-section cylinders have the same diameter, cannot be compressed and cannot be stacked, and the storage and transportation cost is high; 3. Adjacent single-section cylinders need to be connected by connecting pieces such as bolts and the like independently, and constructors need to build corresponding equipment for ascending operation, so that time and labor are wasted; 4. when the terrain is not normal, the single-section barrel at the bottom cannot be adjusted according to local conditions, and needs to be independently operated to seal the bottom, so that the efficiency is low, and air leakage is easy; 5. in the maintenance process, the internal situation cannot be checked.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a device for constructing and maintaining an abutment body in winter.
The technical scheme adopted by the invention for solving the technical problems is as follows: a pier body winter construction maintenance device comprises a base, a support ring, a heat insulation sleeve and a top plate, wherein the lower part of the top plate is fixedly connected with the edge of the top of the heat insulation sleeve; a plurality of support rings are sequentially arranged on the heat-insulating sleeve from top to bottom;
the heat-insulating sleeve comprises two buckled semi-annular sleeves, and the adjacent side edges of the two semi-annular sleeves are connected together through a detachable connecting piece; each support ring comprises two half support rings which can be buckled with each other;
the fixed base that is equipped with in bottom edge of insulation cover, the base includes elasticity heat preservation area and a plurality of counter weight stationary blade, the counter weight stationary blade is evenly fixed on elasticity heat preservation area, has seted up fixing hole on the counter weight stationary blade, the center of roof is equipped with the through-hole, and the roof includes two half roofs that can each other lock together, and the interconnect's of two half roofs edge is equipped with the connecting plate.
Specifically, the edge of the through hole of the top plate is provided with an elastic overlap edge, and the elastic overlap edge is provided with a fixing through hole.
Specifically, the outside or the inboard of insulation cover is equipped with fixed cover from the top down in proper order, and the support ring passes fixed cover demountable installation and sheathes in the insulation.
Specifically, the heat-insulating sleeve comprises a waterproof cloth layer, a filler layer and a waterproof cloth layer from inside to outside, and the waterproof cloth layer, the filler layer and the waterproof cloth layer are fixed through quilting.
Specifically, can dismantle the connecting piece and adopt the magic tape structure, the magic tape is including female subsides, sub-subsides, and female subsides are fixed to be sewed up at the side surface of a semi-annular cover, and sub-pastes the fixed medial surface of sewing up at the side scrap (bridge) of another semi-annular cover.
Specifically, can dismantle the connecting piece and adopt the sealed recess strip and the sealed sand grip of mutually supporting, the side surface at a semi-annular cover is fixed to sealed recess strip, and the side surface at another semi-annular cover is fixed to sealed sand grip.
Specifically, the inner diameters of the support rings are sequentially increased from top to bottom, and the cross sections of the same set of support rings are the same in shape.
Specifically, the end of the half-support ring is provided with a connecting side lug, and the connecting side lug is provided with a fastening bolt or a fastening lock catch.
Specifically, the device still includes tensioning rope and footing nail, the outside of roof side, support ring is equipped with two spacing rings at least, and the spacing ring on the roof is in the same place with the one end fastening of tensioning rope, and tensioning rope lower extreme passes the spacing ring from the top down in proper order, together with footing nail fastening, and the footing nail is fixed subaerial.
Specifically, the support ring adopts a tapered lantern ring, the diameter of the tapered lantern ring is gradually reduced from the lower end to the upper end, and the tapered lantern ring is made of one of hard plastics, hard rubber, wood or metal materials.
Specifically, the outer side of the heat-insulating sleeve is coated with a plurality of light reflecting ring layers.
The invention has the following beneficial effects: the pier bodies with various heights can be adapted, the bottoms of the pier bodies can be sealed according to the terrain, adaptability adjustment is carried out, and support rings with different shapes are adopted to adapt to the pier bodies with various shapes; the replacement cost is low, the compression and storage can be realized, and the storage and transportation cost is low; the two parts are buckled together at the bottom of the pier body, the side edges of the two semi-insulation boards are sequentially buckled together along with the rising of the lifting height, the buckling is carried out along with the rising, the ascending operation is not needed, and the construction efficiency is high; the elastic chassis can seal the bottom according to the terrain, so that air leakage is not easy to occur; in the maintenance process, the side of the insulating sleeve can be opened, the internal condition is checked, and the maintenance quality can be detected.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the support ring of the present invention;
FIG. 3 is a schematic view of the construction of the insulating sleeve of the present invention;
fig. 4 is a schematic structural view of the pier body during storage of the winter construction maintenance device.
In the figure, the base 1, the base 101, the elastic heat preservation belt 102, the counterweight fixing piece 103, the fixing through hole 2, the heat preservation sleeve 2a, the semi-annular sleeve 2b, the semi-annular sleeve 201, the side lap edge 202, the fixing sleeve 203, the female sticker 204, the male sticker 3, the support ring 301, the connecting side lug 4, the top plate 401, the lifting lug 402, the connecting plate 403, the elastic lap edge 5, the tensioning rope 501 and the ground foot nail are arranged.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
Example 1
According to the figure, the pier body winter construction maintenance device comprises a base 1, support rings 3, a heat insulation sleeve 2 and a top plate 4, wherein the lower portion of the top plate 4 is fixedly connected with the top edge of the heat insulation sleeve 2, the heat insulation sleeve 2 is sequentially provided with a plurality of support rings 3 from top to bottom, the heat insulation sleeve 2 comprises two semi-annular sleeves which are buckled with each other, the adjacent side edges of the two semi-annular sleeves are connected with each other through a detachable connecting piece, each support ring 3 comprises two semi-support rings 3a and 3b which can be buckled with each other, the bottom edge of the heat insulation sleeve 2 is fixedly provided with the base 1, the base 1 comprises an elastic heat insulation belt 102 and a plurality of counterweight fixing plates 101, the counterweight fixing plates 101 are uniformly fixed on the elastic heat insulation belt 102, the counterweight fixing plates 101 are provided with fixing through holes 103 for fixing the base 1 on the ground after screws or ground foot nails pass, the heat preservation sleeve has the advantages that the sealing effect is achieved, the stretching effect of the elastic heat preservation belt can be utilized, the heat preservation sleeve is adaptive to uneven ground, the lower end of the heat preservation sleeve is made to be flexible, if the height of the heat preservation sleeve is lower than the overall height of the heat preservation sleeve, the heat preservation sleeve 2 or even the gravity of the supporting ring 3 below the heat preservation sleeve can be hung on the ground, the center of the top plate 4 is provided with a through hole, the top plate 4 comprises two half top plates which can be mutually buckled together, the edges of the two half top plates which are mutually connected are provided with connecting plates 402, and the connecting plates 402 are in contact connection.
Specifically, the edge of the through hole of the top plate 4 is provided with an elastic overlap 403, the elastic overlap is provided with a fixed through hole, and the elastic overlap 403 is fixed on the assembly template around the pier body.
Specifically, the outside or the inboard of insulation support 2 are equipped with fixed cover 202 from the top down in proper order, and support ring 3 passes fixed cover 202 demountable installation on insulation support 2, conveniently changes the support ring 3 of different shapes to adapt to the pier shaft of different shapes, strong adaptability, the transform is with low costs.
Specifically, the heat preservation sleeve 2 comprises a waterproof cloth layer, a filler layer and a waterproof cloth layer from inside to outside, and the waterproof cloth layer, the filler layer and the waterproof cloth layer are fixed through quilting.
Specifically, can dismantle the connecting piece and adopt the magic tape structure, the magic tape is including female 203, the sub-204 of pasting, and female 203 of pasting is fixed to be sewed up at the side surface of a semi-annular cover 2b, and the sub-204 of pasting is fixed to be sewed up at the medial surface of the side scrap (bridge) of another semi-annular cover 2a, pastes 204 and the female 203 of pasting through the sub-and is in the same place, makes two semi-annular covers 2a, 2b adhere together, forms the heat preservation cover 2, overlaps in the pier shaft outside.
Specifically, can dismantle the connecting piece and adopt the sealed recess strip and the sealed sand grip of mutually supporting, sealed recess strip is fixed at the side surface of a semi-annular cover 2a, and sealed sand grip is fixed at the side surface of another semi-annular cover 2b, and sealed sand grip pressfitting plays sealing connection's effect in the recess of sealed recess strip, and sealed recess strip passes through hot melt adhesive with sealed sand grip and pastes on the semi-annular cover, perhaps through sewing up, fixed modes such as rivet.
Specifically, support ring 3 internal diameter grow in proper order from the top down, and the cross sectional shape of same set of support ring 3 is the same, and when accomodating, insulation cover 2 is brought into corresponding outer support ring 3 in, and the insulation cover is accomodate between two adjacent support rings, and is cleaner and tidier, is difficult to damage insulation cover 2.
Specifically, the end of the half support ring 3 is provided with a connecting side ear 301, and the connecting side ear 301 is provided with a fastening bolt or a fastening lock catch for connecting the two half support rings 3a and 3 b.
Specifically, the outside of 4 sides of roof, support ring 3 is equipped with two spacing rings at least, and the one end fastening of spacing ring on the roof and tensioning rope 5 is in the same place, and 5 lower extremes of tensioning rope pass the spacing ring from the top down in proper order, with the ground foot nail 501 fastening connection together, ground foot nail 501 is fixed subaerial, plays prevent wind, spacing fixed effect.
Example 2
Specifically, the support ring 3 is a tapered collar, the diameter of the tapered collar is gradually reduced from the lower end to the upper end, and the tapered collar is made of one of hard plastics, hard rubber, wood or metal materials and can be stacked together.
Specifically, the outer side of the heat preservation sleeve 2 is coated with a plurality of reflective light ring layers.
During the use, firstly assemble the steam conduit on the template around the pier body, will utilize hoisting devices such as hoist engine or crane, lug 401 on the fixed roof 4, along with the high rising of hoisting, in proper order with the side lock of two half insulation cover 2 together, along with rising along with the lock, need not ascend a height the operation, after hoisting to suitable height, fix roof 4 on the template of assembling around the pier body, fix base 1 on ground, then strain tensioning rope 5, fix subaerial, open steam generator, carry out the maintenance operation, wherein steam conduit and steam generator are prior art, or adopt other heating methods to carry out the maintenance also can.
The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the protection scope of the present invention, which is similar or similar to the technical solutions of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (10)
1. The utility model provides a pier shaft maintenance device that is under construction winter which characterized in that: the heat preservation sleeve comprises a base, support rings, a heat preservation sleeve and a top plate, wherein the lower part of the top plate is fixedly connected with the edge of the top of the heat preservation sleeve, and the heat preservation sleeve is sequentially provided with the support rings from top to bottom;
the heat-insulating sleeve comprises two buckled semi-annular sleeves, and the adjacent side edges of the two semi-annular sleeves are connected together through a detachable connecting piece; each support ring comprises two half support rings which can be buckled with each other;
the bottom edge of the heat insulation sleeve is fixedly provided with a base, the base comprises an elastic heat insulation belt and a plurality of counterweight fixing pieces, the counterweight fixing pieces are uniformly fixed on the elastic heat insulation belt, and fixing through holes are formed in the counterweight fixing pieces;
the center of roof is equipped with the through-hole, and the roof includes two half roofs that can each other the lock-joint be in the same place, and the interconnect's of two half roofs edge is equipped with the connecting plate.
2. The pier body winter construction maintenance device of claim 1, wherein: the edge of the through hole of the top plate is provided with an elastic overlap edge, and the elastic overlap edge is provided with a fixing through hole.
3. The pier body winter construction maintenance device of claim 1, wherein: the outside or the inboard of protective sheath are equipped with fixed cover from the top down in proper order, and the support ring passes fixed cover demountable installation and sheathes in the heat preservation.
4. The pier body winter construction maintenance device of claim 1, wherein: the heat-insulating sleeve comprises a waterproof cloth layer, a filler layer and a waterproof cloth layer from inside to outside, and the waterproof cloth layer, the filler layer and the waterproof cloth layer are fixed by quilting.
5. The pier body winter construction maintenance device of claim 1, wherein: the detachable connecting piece adopts a magic tape structure, the magic tape comprises a female tape and a sub tape, the female tape is fixedly sewn on the outer surface of the side of one semi-annular sleeve, and the sub tape is fixedly sewn on the inner side surface of the side lap of the other semi-annular sleeve.
6. The pier body winter construction maintenance device of claim 1, wherein: can dismantle the connecting piece and adopt the sealed recess strip and the sealed sand grip of mutually supporting, the side surface at a half ring type cover is fixed to sealed recess strip, and the side surface at another half ring type cover is fixed to sealed sand grip.
7. The pier body winter construction maintenance device of claim 1, wherein: the inner diameters of the support rings are sequentially increased from top to bottom, and the cross sections of the same set of support rings are the same in shape.
8. The pier body winter construction maintenance device of claim 1, wherein: the end part of the half support ring is provided with a connecting side lug, and the connecting side lug is provided with a fastening bolt or a fastening lock catch.
9. The pier body winter construction maintenance device of claim 1, wherein: still include tensioning rope and footing nail, the outside of roof side, support ring is equipped with two spacing rings at least, and the spacing ring on the roof is in the same place with the one end fastening of tensioning rope, and tensioning rope lower extreme passes the spacing ring from the top down in proper order, together with footing nail fastening, and the footing nail is fixed subaerial.
10. The pier body winter construction maintenance device of claim 1, wherein: the support ring adopts the taper sleeve ring, and the diameter of taper sleeve ring diminishes from the lower extreme to the upper end gradually, the taper sleeve ring adopts one of rigid plastic, rigid rubber, wooden or metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011333528.2A CN112575682A (en) | 2020-11-25 | 2020-11-25 | Pier shaft maintenance device that is under construction winter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011333528.2A CN112575682A (en) | 2020-11-25 | 2020-11-25 | Pier shaft maintenance device that is under construction winter |
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| CN112575682A true CN112575682A (en) | 2021-03-30 |
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| CN202011333528.2A Pending CN112575682A (en) | 2020-11-25 | 2020-11-25 | Pier shaft maintenance device that is under construction winter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898196A (en) * | 2021-10-08 | 2022-01-07 | 中交路桥华南工程有限公司 | Concrete stand maintenance cover and concrete stand maintenance system |
| CN115262406A (en) * | 2022-08-12 | 2022-11-01 | 中国一冶集团有限公司 | Bridge cylindrical pier maintenance device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898196A (en) * | 2021-10-08 | 2022-01-07 | 中交路桥华南工程有限公司 | Concrete stand maintenance cover and concrete stand maintenance system |
| CN113898196B (en) * | 2021-10-08 | 2023-03-14 | 中交路桥华南工程有限公司 | Concrete stand maintenance cover and concrete stand maintenance system |
| CN115262406A (en) * | 2022-08-12 | 2022-11-01 | 中国一冶集团有限公司 | Bridge cylindrical pier maintenance device and method |
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Application publication date: 20210330 |