CN106381811B - Pier stud concrete heat preservation health preserving equipment in low temperature season - Google Patents
Pier stud concrete heat preservation health preserving equipment in low temperature season Download PDFInfo
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- CN106381811B CN106381811B CN201610828730.XA CN201610828730A CN106381811B CN 106381811 B CN106381811 B CN 106381811B CN 201610828730 A CN201610828730 A CN 201610828730A CN 106381811 B CN106381811 B CN 106381811B
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- 238000004321 preservation Methods 0.000 title claims abstract description 48
- 230000036541 health Effects 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 32
- 238000012423 maintenance Methods 0.000 claims description 13
- 230000001932 seasonal effect Effects 0.000 claims description 9
- 238000009415 formwork Methods 0.000 claims 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 16
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 16
- 241001330002 Bambuseae Species 0.000 abstract description 15
- 239000011425 bamboo Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 14
- 238000012360 testing method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000209128 Bambusa Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/024—Steam hardening, e.g. in an autoclave
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses pier stud concrete heat preservation and health preservation equipment in low-temperature seasons, and solves the problem that the existing concrete health preservation effect in winter is not ideal. This health preserving equipment includes heat preservation device and steam supply device, and the heat preservation device is put including the cover at the heat preservation section of thick bamboo in the pier stud template outside, and steam supply device includes steam generator and breather pipe, and steam generator sets up in the heat preservation section of thick bamboo outside, and the one end of breather pipe links to each other with steam generator, the other end is sealed, and the breather pipe coils in the pier stud template outside, sets up a plurality of steam outlet holes towards heat preservation section of thick bamboo inner wall on the breather pipe. The curing equipment provided by the invention is used for curing the pier column concrete in winter, so that the temperature and humidity of the surface of the pier column concrete can be relatively uniform.
Description
Technical Field
The invention belongs to the technical field of highway bridge construction, and particularly relates to a low-temperature seasonal pier stud concrete heat-preservation and health-maintenance device.
Background
In many places of China, long cold weather exists, and due to the restriction of construction period, concrete winter construction of many projects is inevitable. The concrete constructed in winter is safe in construction, high in quality risk and low in production efficiency, and the service performance of the concrete can be directly influenced by the quality after pouring.
At present, a plurality of concrete heat preservation and maintenance methods in winter are available at home and abroad, and a greenhouse method, a heat storage method, a steam heating method, an electrode heating method, an electric heating mould method, a far infrared heating method and the like are generally available.
The greenhouse method is a common method for maintaining the pier column concrete in winter: when the ambient temperature is lower than 5 ℃, before pouring, firstly, steel pipes are utilized to set up a greenhouse framework all around, then, tarpaulin is used for surrounding all around, only top concrete is left to enter a mold, meanwhile, a steam boiler is placed in the greenhouse, in the pouring process, the temperature is frequently detected, the temperature of the concrete is not lower than 5 ℃, after pouring is finished, the top of the greenhouse is closed by the tarpaulin, in order to prevent wind from scraping the tarpaulin to lose the heat of the greenhouse, and the tarpaulin and the greenhouse framework scaffold are bound together by iron wires. The steam furnace in the shed is assigned to specially-assigned people to watch fire, and the fire cannot be extinguished, and meanwhile, the temperature in the shed is strictly controlled to be not lower than 5 ℃ until the concrete reaches 40% of the designed strength. When the concrete test block with the same condition is made, a group of test pieces are taken more than the test pieces poured at normal temperature, and the test pieces and the poured concrete are maintained under the same condition so as to ensure that the concrete test block achieves the frost resistance. After the poured concrete reaches the form removal strength and the form outside the concrete is removed, the surface of the concrete is maintained by sprinkling water, thick geotextile is used for covering the periphery of the concrete in time, and the joint is bonded with the concrete by using sealing plastic adhesive tape paper, so that the moisture of the concrete is prevented from evaporating to the outside. The maintenance method has a series of defects of unsatisfactory maintenance effect, complex equipment, high cost, uneven heat preservation effect and the like, and influences the quality of concrete.
In view of the foregoing, there is a need for further improvements and enhancements in the prior art.
Disclosure of Invention
In order to avoid the defects of the prior art, the invention provides the low-temperature seasonal pier stud concrete heat-preservation and health-maintenance equipment which has the advantages of function integration, good maintenance effect, convenience in operation, lower cost and the like.
The technical scheme adopted by the invention is as follows:
the utility model provides a pier stud concrete heat preservation health preserving equipment in low temperature season, includes heat preservation device and steam supply device, and the heat preservation device is put the heat preservation section of thick bamboo in the pier stud template outside including the cover, and steam supply device includes steam generator and breather pipe, and steam generator sets up in the heat preservation section of thick bamboo outside, and the one end of breather pipe links to each other with steam generator, the other end is sealed, and the breather pipe coils in the pier stud template outside, offers a plurality of steam outlet holes towards heat preservation section of thick bamboo inner wall on the breather pipe.
The breather pipe is coiled outside the pier stud template in a spiral shape.
The steam supply device further comprises a plurality of breather pipe fixing frames, and the breather pipe fixing frames are arranged on the outer wall of the pier stud template.
Each breather pipe mount all includes the locating plate and sets up the breather pipe clamping part on the locating plate, and the locating plate links to each other with the pier stud template outer wall, and the cross-section of breather pipe clamping part is circular-arc, the breather pipe passes the breather pipe clamping part of each breather pipe mount in proper order.
The heat-insulating cylinder comprises a plurality of single-section cylinders which are sequentially connected from top to bottom, a sealing ring is arranged at the joint of every two adjacent single-section cylinders, and the single-section cylinder positioned at the lowest part is fixed on the surface of the foundation.
Each a single section of thick bamboo all includes two half sections that the structure is the same, and each half section of thick bamboo all includes heated board and the roof, bottom plate, left side board and the right side board that link to each other with the heated board, and the cross-section of heated board is the semicircle arcuation, has seted up the locating hole on roof, bottom plate, left side board and the right side board respectively, and two half sections interconnect cooperation form a single section of thick bamboo.
The health preserving equipment also comprises a lifting device for driving the heat preserving cylinder to lift.
The lifting device comprises a winch, a fixed pulley block and a traction rope group, and a sealing plate matched with the top plate of the single-section cylinder is arranged at the top end of the pier stud template; one end of the traction rope group is connected with the winch, and the other end of the traction rope group is connected with the top plate of the single-section barrel positioned at the top after bypassing the fixed pulley block.
The fixed pulley group comprises a first fixed pulley, a second fixed pulley, a third fixed pulley, a fourth fixed pulley, a fifth fixed pulley and a direction changing wheel group, the direction changing wheel group comprises a first direction changing wheel, a second direction changing wheel and a direction changing wheel frame for mounting the first direction changing wheel and the second direction changing wheel, wherein the first fixed pulley is arranged on one side of the lower part of the pier stud template, the second fixed pulley, the third fixed pulley, the fourth fixed pulley, the fifth fixed pulley, the first direction changing wheel and the second direction changing wheel are arranged on the top end face of the sealing plate, the third fixed pulley, the fourth fixed pulley and the fifth fixed pulley are uniformly distributed on the edge of the top face of the sealing plate, and the second fixed pulley, the direction changing wheel frame and the fifth fixed pulley are arranged in a straight line; the traction rope group comprises a traction main rope, a first traction branch rope, a second traction branch rope and a third traction branch rope, one end of the traction main rope is connected with the winch, the other end of the traction main rope is connected with the first end, the second end and the third traction branch rope, the other end of the first traction branch rope sequentially bypasses the second fixed pulley, the first direction changing wheel is connected with the top plate of the single cylinder positioned at the top after the third fixed pulley, the other end of the second traction branch rope sequentially bypasses the second fixed pulley, the second direction changing wheel is connected with the top plate of the single cylinder positioned at the top after the fourth fixed pulley, the other end of the third traction branch rope sequentially passes through the second fixed pulley, the first end, the second direction changing wheel and the top plate of the single cylinder positioned at the top after the fifth fixed pulley.
Pulley shafts of the second, third, fourth and fifth fixed pulleys are parallel to the top end face of the sealing plate, the first direction-changing wheel and the second direction-changing wheel are arranged side by side, and wheel shafts of the first direction-changing wheel and the second direction-changing wheel are perpendicular to the top end face of the sealing plate.
The invention also discloses a use method of the low-temperature seasonal pier stud concrete heat-preservation and health-preserving equipment, which comprises the following steps:
step 1, installing a lifting device, arranging a sealing plate at the top end of a pier stud template, and arranging a second fixed pulley, a third fixed pulley, a fourth fixed pulley, a fifth fixed pulley, a first direction-changing wheel and a second direction-changing wheel on the top end surface of the sealing plate, so that the second fixed pulley, the fifth fixed pulley and a direction-changing wheel frame for installing the first direction-changing wheel and the second direction-changing wheel are arranged in a straight line; fixing a winch on the surface of the roadbed at a certain distance from a pier stud template, mounting a first fixed pulley on one side of the pier stud template, connecting one ends of a first traction branch rope, a second traction branch rope and a third traction branch rope with a traction main rope, connecting the other ends of the first traction branch rope, the second traction branch rope and the third traction branch rope with a top plate of a single-section cylinder, and connecting the traction main rope with the winch;
step 2, installing a heat preservation device and a steam supply device, installing vent pipe fixing frames on the outer wall of the pier stud template, sequentially penetrating vent pipes into the vent pipe fixing frames, and finally winding the vent pipes on the pier stud template in a spiral shape; installing a heat-insulating cylinder, sleeving a half cylinder of a single-section cylinder on the outer side of the pier stud template, installing another half cylinder opposite to the half cylinder, splicing the half cylinder and the half cylinder to form the single-section cylinder, and enabling a steam output hole on the vent pipe to face the inner wall of each single-section cylinder;
step 3, electrifying the winch, driving the installed single-section cylinder to ascend to an installation position through the traction rope set, installing a second single-section cylinder, and sealing two adjacent single-section cylinders through sealing rings; the circulation is carried out until the single section of tube is lifted to the top of the pier stud template; then, the sealing plate is fixedly connected with the top plate of the single-section barrel positioned at the top, the bottom plate of the single-section barrel positioned at the bottom is fixed on the surface of the foundation, the heat preservation device is ensured to be fixed in the horizontal direction, the steam generator is connected with the vent pipe, and the steam generator is arranged at one side of the outer part of the heat preservation barrel;
and 4, after the installation is finished, powering off the winch, detaching the fixed pulley group and the traction rope group, outputting steam by the steam generator during the work to maintain the pier stud concrete in the pier stud template, sequentially detaching the single section cylinders and the vent pipe after the concrete is hardened to meet the requirement, and continuously maintaining the other pier stud concrete after the other pier stud concrete is replaced.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the method can be used for maintaining the pier column concrete in winter, can ensure that the temperature and the humidity of the surface of the pier column concrete are relatively uniform, and is greatly helpful for improving the quality of the concrete.
2. The invention has the advantages of compact structure, simple and convenient operation, convenient use, integrated functions and ideal maintenance effect.
Drawings
Fig. 1 is an isometric view of a curing apparatus of the present invention.
FIG. 2 is a top view of the curing apparatus of the present invention.
FIG. 3 is an assembly view of the heat retaining device and the steam generating device of the present invention.
Fig. 4 is a schematic diagram showing the relative positions of the first traction rope, the second traction rope, the third traction rope, the sealing plate and the single-section cylinder positioned at the top in the present invention.
FIG. 5 is a schematic structural diagram of a direction-changing wheel set according to the present invention.
Fig. 6 is an isometric view of a half-cartridge of the present invention.
Fig. 7 is a schematic structural view of the fastening nail of the present invention.
Fig. 8 is a schematic structural view of the snorkel mount of the present invention.
Wherein,
101. the device comprises a winch 102, a first fixed pulley 103, a second fixed pulley 104, a third fixed pulley 105, a fourth fixed pulley 106, a fifth fixed pulley 107, a redirection wheel set 107.1, a first redirection wheel 107.2, a second redirection wheel 107.3, a redirection wheel carrier 108, a traction main rope 109, a first traction rope separating 110, a second traction rope separating 111, a third traction rope separating 2, a single-section barrel 201, a heat insulation board 202, a top plate 203, a bottom plate 204, a left side plate 205, a right side plate 3, a sealing ring 4, a sealing plate 5, a pier stud template 6, a vent pipe 7, a vent pipe fixing frame 701, a positioning plate 702, a vent pipe clamping part 8, a steam generator 9, fixing nails and fixing nails
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, but the present invention is not limited to these examples.
As shown in fig. 1 to 8, the equipment for heat preservation and curing of pier stud concrete in low temperature seasons comprises a heat preservation device and a steam supply device which are arranged around a pier stud template 5 on the outer side of the pier stud concrete. The heat preservation device ensures that the concrete pier stud and the pier stud template form a closed environment, and provides a proper temperature condition for solidification and hardening of pier stud concrete. The steam device provides proper temperature and humidity conditions for the hydration reaction of the concrete.
The heat preservation device is including the heat preservation section of thick bamboo of cover putting in the pier stud template 5 outside, the heat preservation section of thick bamboo includes a plurality of top-down consecutive single section of thick bamboo 2, and the junction of two adjacent single section of thick bamboos 2 is provided with sealing washer 3, and the single section of thick bamboo 2 that is located the below passes through staple 9 to be fixed on the ground surface, prevents horizontal migration. Specifically, each single-section tube 2 includes two half tubes with the same structure, each half tube includes an insulation board 201, a top plate 202 connected to the insulation board 201, a bottom plate 203, a left side plate 204, and a right side plate 205, the cross section of the insulation board 201 is in a semicircular arc shape, the top plate 202, the bottom plate 203, the left side plate 204, and the right side plate 205 are respectively provided with positioning holes, the top plate 202, the bottom plate 203, the left side plate 204, and the right side plate 205 of one half tube are respectively provided with positioning holes corresponding to the top plate 202, the bottom plate 203, the left side plate 204, and the right side plate 205 of the other half tube, and the two half tubes are fastened and connected through bolts to form the single-section tube 2.
Steam supply device includes steam generator 8 and breather pipe 6, and steam generator 8 sets up in the heat preservation section of thick bamboo outside, and the one end of breather pipe 6 links to each other with steam generator 8, the other end is sealed, and breather pipe 6 adopts softer material to make, and breather pipe 6 is the heliciform and coils in the pier stud template 5 outside, evenly sets up the steam outlet of a plurality of towards the inner wall of each single section of thick bamboo 2 on the breather pipe 6, reaches the purpose of even maintenance. The steam supply device further comprises a plurality of vent pipe fixing frames 7, and the vent pipe fixing frames 7 are arranged on the outer wall of the pier stud template 5. Each breather pipe fixing frame 7 comprises a positioning plate 701 and a breather pipe clamping portion 702 arranged on the positioning plate 701, the positioning plate 701 is connected with the outer wall of the pier stud template 5, the cross section of the breather pipe clamping portion 702 is arc-shaped, and the breather pipe 6 sequentially penetrates through the breather pipe clamping portions 702 of the breather pipe fixing frames 7.
The health preserving equipment also comprises a lifting device for driving the heat preserving cylinder to lift. The lifting device comprises a winch 101, a fixed pulley block and a traction rope group, and a sealing plate 4 matched with the top plate 202 of the single-section cylinder 2 is arranged at the top end of the pier stud template 5; one end of the traction rope group is connected with the winch 101, and the other end of the traction rope group is connected with the top plate 202 of the single-section barrel 2 positioned at the top after bypassing the fixed pulley group.
Specifically, the fixed pulley group comprises a first fixed pulley 102, a second fixed pulley 103, a third fixed pulley 104, a fourth fixed pulley 105, a fifth fixed pulley 106 and a redirection pulley group 107, the redirection pulley group 107 comprises a first redirection pulley 107.1, a second redirection pulley 107.2 and a redirection pulley frame 107.3 for mounting the first redirection pulley and the second redirection pulley, a rope gap exists between the first redirection pulley 107.1 and the second redirection pulley 107.2, the first fixed pulley 102 is arranged on the surface of a foundation and located on one side of the lower portion of the pier stud template 5, the second fixed pulley 103, the third fixed pulley 104, the fourth fixed pulley 105, the fifth fixed pulley 106, the first direction-changing wheel 107.1 and the second direction-changing wheel 107.2 are arranged on the top end face of the sealing plate 4, the third fixed pulley 104, the fourth fixed pulley 105 and the fifth fixed pulley 106 are uniformly distributed on the edge of the top face of the sealing plate 4, and the second fixed pulley 103, the direction-changing wheel carrier 107.3 and the fifth fixed pulley 106 are arranged in a straight line. Pulley shafts of the second, third, fourth and fifth fixed pulleys are parallel to the top end face of the sealing plate 4, the first direction-changing wheel 107.1 and the second direction-changing wheel 107.2 are arranged side by side, and wheel shafts of the first direction-changing wheel and the second direction-changing wheel are perpendicular to the top end face of the sealing plate 4.
The traction rope group comprises a traction general rope 108, a first traction rope distributing 109, a second traction rope distributing 110 and a third traction rope distributing 111, one end of the traction general rope 108 is connected with the winch 101, the other end of the traction general rope 108 is connected with the first traction rope distributing, the second traction rope distributing and the third traction rope distributing, the other end of the first traction rope distributing 109 sequentially rounds a second fixed pulley 103, a first bend pulley 107.1 and a third fixed pulley 104 and then is connected with a top plate 202 of the single barrel 2 positioned at the top, the other end of the second traction rope distributing 110 sequentially rounds a second fixed pulley 103, a second bend pulley 107.2 and a fourth fixed pulley 105 and then is connected with a top plate 202 of the single barrel 2 positioned at the top, and the other end of the third traction rope distributing 111 sequentially passes through the second fixed pulley 103, the first bend pulley and the second bend pulley, and the fifth fixed pulley 106 and then is connected with the top plate 202 of the single barrel 2 positioned at the top. The top plate 202 of the single-section cylinder 2 at the top is provided with three lifting rings which are connected with the first, second and third traction ropes.
The invention also discloses a use method of the low-temperature seasonal pier stud concrete heat-preservation and health-preserving equipment, which comprises the following steps:
step 1, installing a lifting device, arranging a sealing plate 4 at the top end of a pier stud template 5, arranging a second fixed pulley 103, a third fixed pulley 104, a fourth fixed pulley 105, a fifth fixed pulley 106, a first direction-changing wheel 107.1 and a second direction-changing wheel 107.2 on the top end surface of the sealing plate 4, and enabling the second fixed pulley 103, the fifth fixed pulley 106 and a direction-changing wheel frame 107.3 for installing the first direction-changing wheel and the second direction-changing wheel to be arranged in a straight line; fixing a winch 101 at a position, which is away from the surface of the roadbed by a certain distance, of a pier stud template 5, installing a first fixed pulley 102 on one side of the pier stud template 5, connecting one ends of a first traction rope, a second traction rope and a third traction rope with a traction main rope 108, connecting the other ends of the first traction rope, the second traction rope and the third traction rope with a top plate 202 of the single-section barrel 2, and connecting the traction main rope 108 with the winch 101;
step 2, installing a heat preservation device and a steam supply device, installing vent pipe fixing frames 7 on the outer wall of the pier stud template 5, sequentially penetrating vent pipes 6 into the vent pipe fixing frames 7, and finally winding the vent pipes 6 on the pier stud template 5 in a spiral shape; installing a heat-insulating cylinder, sleeving a half cylinder of a single-section cylinder 2 on the outer side of the pier stud template 5, installing another half cylinder opposite to the half cylinder, splicing the half cylinder and the half cylinder to form the single-section cylinder 2, and enabling a steam output hole on the vent pipe 6 to face the inner wall of the single-section cylinder 2;
step 3, electrifying the winch 101, driving the installed single-section cylinder 2 to ascend to an installation position through a traction rope set, installing a second single-section cylinder 2, and sealing the two adjacent single-section cylinders 2 through a sealing ring 3; the circulation is carried out until the single section of tube 2 is lifted to the top of the pier stud template 5; then, the sealing plate 4 is fixedly connected with the top plate 202 of the single-section barrel 2 positioned at the top, the bottom plate 203 of the single-section barrel 2 positioned at the bottom is fixed on the surface of the foundation, the heat preservation device is ensured to be fixed in the horizontal direction, the steam generator 8 is connected with the vent pipe 6, and the steam generator 8 is arranged at a proper position on one side outside the heat preservation barrel;
and 4, after the installation is finished, powering off the winch 101, detaching the fixed pulley group and the traction rope group, outputting steam by the steam generator 8 during the work to cure the pier stud concrete in the pier stud template 5, sequentially detaching each single section of tube 2 and the vent pipe 6 after the concrete is hardened to meet the requirement, and continuously curing the concrete by replacing the other pier stud.
Parts which are not described in the invention can be realized by adopting or referring to the prior art.
Furthermore, the terms "first," "second," "third," "fourth," and "fifth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. A low-temperature seasonal pier stud concrete heat-preservation and health-maintenance device comprises a heat-preservation device and a steam supply device, and is characterized in that the heat-preservation device comprises a heat-preservation cylinder sleeved outside a pier stud template, the heat-preservation cylinder comprises a plurality of single-section cylinders which are sequentially connected from top to bottom, a sealing ring is arranged at the joint of every 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.
2. The equipment of claim 1, wherein the air pipe is spirally wound outside the pier template.
3. The equipment for insulating and curing the pier concrete in the low-temperature season according to claim 1, wherein the steam supply device further comprises a plurality of vent pipe fixing frames, and the vent pipe fixing frames are arranged on the outer wall of the pier template.
4. The equipment of claim 3, wherein each of the air pipe fixing frames comprises a positioning plate and an air pipe clamping portion arranged on the positioning plate, the positioning plate is connected with the outer wall of the pier stud formwork, the cross section of the air pipe clamping portion is arc-shaped, and the air pipe sequentially penetrates through the air pipe clamping portion of each air pipe fixing frame.
5. The low-temperature seasonal pier stud concrete heat preservation and health maintenance equipment according to claim 1, wherein each single-section cylinder comprises two half cylinders with the same structure, each half cylinder comprises a heat preservation plate, a top plate, a bottom plate, a left side plate and a right side plate, the top plate, the bottom plate, the left side plate and the right side plate are connected with the heat preservation plate, the cross section of the heat preservation plate is in a semicircular arc shape, positioning holes are formed in the top plate, the bottom plate, the left side plate and the right side plate respectively, and the two half cylinders are connected with one another and matched to form.
6. The low-temperature seasonal pier stud concrete heat preservation and health maintenance equipment according to claim 1, further comprising a lifting device for driving the heat preservation cylinder to lift.
7. The equipment for insulating and preserving the pier stud concrete in the low-temperature season according to claim 6, wherein the lifting device comprises a winch, a fixed pulley block and a traction rope set, and a sealing plate matched with a top plate of the single-section cylinder is arranged at the top end of the pier stud template; one end of the traction rope group is connected with the winch, and the other end of the traction rope group is connected with the top plate of the single-section barrel positioned at the top after bypassing the fixed pulley block.
8. The low-temperature seasonal pier column concrete heat preservation and health maintenance equipment according to claim 7, wherein the fixed pulley group comprises a first fixed pulley, a second fixed pulley, a third fixed pulley, a fourth fixed pulley, a fifth fixed pulley and a direction change pulley group, the direction change pulley group comprises a first direction change wheel, a second direction change wheel and a direction change wheel frame for mounting the first direction change wheel and the second direction change wheel, the first fixed pulley is arranged on one side of the lower portion of the pier column formwork, the second fixed pulley, the third fixed pulley, the fourth fixed pulley, the fifth fixed pulley, the first direction change wheel and the second direction change wheel are arranged on the top end face of the sealing plate, the third fixed pulley, the fourth fixed pulley and the fifth fixed pulley are uniformly distributed on the edge of the top face of the sealing plate, and the second fixed pulley, the direction change wheel frame and the fifth fixed pulley are arranged in a straight line; the traction rope group comprises a traction main rope, a first traction branch rope, a second traction branch rope and a third traction branch rope, one end of the traction main rope is connected with the winch, the other end of the traction main rope is connected with the first end, the second end and the third traction branch rope, the other end of the first traction branch rope sequentially bypasses the second fixed pulley, the first direction changing wheel is connected with the top plate of the single cylinder positioned at the top after the third fixed pulley, the other end of the second traction branch rope sequentially bypasses the second fixed pulley, the second direction changing wheel is connected with the top plate of the single cylinder positioned at the top after the fourth fixed pulley, the other end of the third traction branch rope sequentially passes through the second fixed pulley, the first end, the second direction changing wheel and the top plate of the single cylinder positioned at the top after the fifth fixed pulley.
9. The low-temperature seasonal pier stud concrete heat preservation and health maintenance equipment according to claim 8, wherein pulley shafts of the second, third, fourth and fifth fixed pulleys are parallel to the top end face of the sealing plate, the first direction-changing wheel and the second direction-changing wheel are arranged side by side, and wheel shafts of the first direction-changing wheel and the second direction-changing wheel are perpendicular to the top end face of the sealing plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810125701.6A CN108385528B (en) | 2016-09-18 | 2016-09-18 | A kind of application method of low temperature season pier stud concrete heat-insulating health preserving equipment |
| CN201610828730.XA CN106381811B (en) | 2016-09-18 | 2016-09-18 | Pier stud concrete heat preservation health preserving equipment in low temperature season |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610828730.XA CN106381811B (en) | 2016-09-18 | 2016-09-18 | Pier stud concrete heat preservation health preserving equipment in low temperature season |
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| CN107447668B (en) * | 2017-08-27 | 2023-08-01 | 保利新联爆破工程集团有限公司 | Automatic lifting positioning variable-cross-section bridge pier template |
| CN109577174B (en) * | 2019-01-17 | 2023-08-15 | 中交四公局第十工程有限公司 | Pier column concrete post-form removal heat preservation device and use method thereof |
| CN109763507B (en) * | 2019-01-21 | 2020-11-20 | 扬州工业职业技术学院 | Double-wall corrugated pipe foundation and construction process thereof |
| CN110629877A (en) * | 2019-09-17 | 2019-12-31 | 中国化学工程第六建设有限公司 | Construction method of settler frame applied to winter weather |
| CN111236669B (en) * | 2020-01-16 | 2021-03-26 | 中铁二局集团有限公司 | Super high-rise concrete column maintenance layer spraying system |
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| CN112575682A (en) * | 2020-11-25 | 2021-03-30 | 中建八局第二建设有限公司 | Pier shaft maintenance device that is under construction winter |
| CN112659340B (en) * | 2020-12-10 | 2022-03-11 | 王勇 | Concrete health preserving temperature automatic monitoring and insulation construction |
| CN112811934B (en) * | 2020-12-31 | 2023-02-03 | 中国十九冶集团有限公司 | Device for reducing temperature cracks of mass concrete structure |
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| SE470013B (en) * | 1991-04-09 | 1993-10-25 | S T Eriks Ab | Plant for the production of concrete slabs |
| CN202448217U (en) * | 2012-03-11 | 2012-09-26 | 中铁二十局集团第二工程有限公司 | Closed steam-cured system of segment box girder |
| CN103074852B (en) * | 2013-02-05 | 2014-11-26 | 山东黄河工程集团有限公司 | Digital constant-temperature control concrete ultra-low-temperature construction maintenance system |
| CN203213663U (en) * | 2013-04-22 | 2013-09-25 | 天津五市政公路工程有限公司 | Pier column maintaining house |
| CN103266772B (en) * | 2013-05-20 | 2015-07-22 | 山东恒建工程监理咨询有限公司 | Curing method used for highway engineering construction concrete in winter |
| CN103437288B (en) * | 2013-07-16 | 2015-12-02 | 中铁建大桥工程局集团第五工程有限公司 | Forming method built by the high pier being applied to bridge construction |
| CN103696571B (en) * | 2013-12-30 | 2015-09-09 | 中国建筑第八工程局有限公司 | The spray maintenance process of wall body structure and system |
| CN103912130A (en) * | 2014-03-26 | 2014-07-09 | 东莞市建之都建设工程有限公司 | Environment-friendly tend-free concrete column maintaining method and device |
| CN204386177U (en) * | 2014-12-11 | 2015-06-10 | 中交第一公路工程局有限公司 | A kind of attemperator of concrete winter construction |
| JP6511291B2 (en) * | 2015-02-26 | 2019-05-15 | 鹿島建設株式会社 | Construction method of concrete structure, concrete structure |
| CN205259609U (en) * | 2015-11-16 | 2016-05-25 | 中铁十四局集团有限公司 | Concrete construction intelligence control by temperature change in winter template heating heat preservation system |
| CN105625189B (en) * | 2016-01-25 | 2020-05-15 | 赵立财 | Hollow high pier concrete placement heat preservation maintenance system |
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| CN108385528A (en) | 2018-08-10 |
| CN106381811A (en) | 2017-02-08 |
| CN108385528B (en) | 2019-06-28 |
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