CN110181658B - Movable strickling and spraying device for cast-in-place concrete guardrail and construction method thereof - Google Patents
Movable strickling and spraying device for cast-in-place concrete guardrail and construction method thereof Download PDFInfo
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- CN110181658B CN110181658B CN201910477056.9A CN201910477056A CN110181658B CN 110181658 B CN110181658 B CN 110181658B CN 201910477056 A CN201910477056 A CN 201910477056A CN 110181658 B CN110181658 B CN 110181658B
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- scraping
- sliding plate
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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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/29—Producing shaped prefabricated articles from the material by profiling or strickling the material in open moulds or on moulding surfaces
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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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- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
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- Manufacturing & Machinery (AREA)
- Road Paving Machines (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention provides a movable strickling spraying device for a cast-in-place concrete guardrail, which comprises three single frames, a collecting system, a spraying system, strickling cross rods, stable cross rods, rails on a bridge surface and a transport vehicle, wherein the three single frames are connected with the collecting system; the scraping cross rods can quickly scrape the guardrail concrete, and the collecting system can collect the excess concrete after scraping, so that the concrete is prevented from falling to the bridge floor to cause engineering pollution; the spraying device can provide moisture for the curing of the concrete, control the temperature and the humidity of the concrete and promote the concrete to be normal or accelerate the hardening and the strength increase of the concrete.
Description
Technical Field
The invention relates to the field of concrete guardrails, in particular to a movable strickle spraying device for a cast-in-place concrete guardrail and a construction method thereof.
Background
The bridge is used as an important functional structure in municipal roads, and plays a very important role in improving urban traffic environment and promoting regional economic development.
In order to improve the safety of pedestrians and vehicles, guardrails are generally installed on both sides of the bridge. When the bridge guardrail is cast in place by adopting concrete, the concrete can not be accurately poured, so that the height of the poured concrete is different, and the poured concrete needs to be strickled off; after concrete is poured, the concrete generally needs to be cured, and certain humidity and temperature conditions are artificially created, so that the concrete just poured can be normal or the hardening and strength of the concrete are accelerated.
Therefore, it is very important to find a mobile scraping spraying device for a cast-in-place concrete guardrail and a construction method thereof.
Disclosure of Invention
The invention aims to provide a movable strickling and spraying device for a cast-in-place concrete guardrail, which overcomes the defects of the prior art.
In order to achieve any one of the above purposes, the invention provides a construction method of a mobile strickling and spraying device of a cast-in-place concrete guardrail, which comprises the following steps:
(1) laying a track:
after the concrete is poured into the concrete guardrail, paving a track of a scraping spraying device in an area where the concrete at the top of the guardrail needs to be scraped, wherein an inner mold and an outer mold are formed on the concrete guardrail, and concrete is poured into the inner mold and the outer mold;
(2) arranging a scraping spraying device:
moving the scraping and spraying device above the track to enable the end of a plain sharp-end solid rod of a sliding plate arranged on the scraping and spraying device to be in contact with an outer mold of the guardrail;
(3) concrete leveling:
the movable strickling device is pushed along the rail, so that the flat sharp-nose solid rod on the strickling cross rod of the strickling spraying device strickles off the redundant concrete on the top of the concrete guardrail, and the redundant concrete generated by strickling slides into the transport vehicle along the flat sharp-nose plate;
(4) concrete curing:
after the concrete is strickleed off, keeping the humidity and temperature conditions of the concrete, when the temperature is too high, paving a layer of straw curtain above the concrete, and then moving the strickle-off spraying device along the track to spray water on the straw curtain;
(5) removing the scraping spraying device:
and when the concrete curing is finished, the scraping spraying device and the transport vehicle are moved away, and then the track is dismantled.
The invention provides a mobile strickling spraying device of a cast-in-place concrete guardrail, which is arranged at one side of the cast-in-place concrete guardrail, wherein an inner mold and an outer mold are formed on the cast-in-place concrete guardrail, and concrete is poured in the cast-in-place concrete guardrail, and the device comprises:
the system comprises at least three single frames, a collecting system, a spraying system, a leveling cross rod, a stabilizing cross rod, a rail arranged on a bridge surface and a transport vehicle; wherein at least three single frames are arranged at intervals and are connected into a whole through stabilizing cross rods, and the stabilizing cross rods are crosswise arranged between two adjacent single frames; the collecting system is arranged between two adjacent single-frame frames and consists of a sliding plate and a bearing, wherein the bearing penetrates through the sliding plate and is fixed between the two front single-frame frames, the sliding plate is in an inclined state relative to the upright post, two end sides of the sliding plate respectively abut against the inner mold and the transport vehicle, and the sliding plate is arranged between the two adjacent upright posts; the scraping cross rod is fixed on the single frame in the middle and clings to the outer mold of the guardrail, and the scraping cross rod clings to the collecting system; the spraying system is arranged on the single frame at the side and sprays the leveling cross rod.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
1. the scraping cross bar designed by the invention can scrape the guardrail concrete, and the collecting system can collect the excess concrete after scraping, so that the concrete is prevented from falling to the bridge floor to cause engineering pollution.
2. The spraying device designed by the invention can provide moisture for the maintenance of concrete.
Drawings
Fig. 1 is a schematic view of a cast in place concrete barrier mobile screed shower unit according to an embodiment of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is an elevation view of the use of the screed sprinklers in a concrete barrier.
Fig. 4 is a front view of a single frame.
Wherein: 1-single frame; 2, rolling wheels; 3, a column; 4-a cross bar; 5-middle part stabilizing frame; 6, hollow pipe; 7-a water pipe; 8, fixing a hook; 9-a spray nozzle; 10-a water tank; 11-a water pump; 12-a track; 13-a slide plate; 14-a bearing; 15-a fixed ring; 16-a spring; 17-a plain tip solid rod; 18-a hollow bar; 19-a connecting rod; 20-bolt; 21-transport vehicle; 22-bridge deck; 23-a flat tip nozzle plate; 24-inner membrane; 25-external mold; 26-a reinforcement cage; 27-concrete; 28 — stabilizing cross bar; 29-strickling the cross bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
The movable scraping and spraying device for the cast-in-place concrete guardrail is arranged on one side of the cast-in-place concrete guardrail, wherein an inner mold (24) and an outer mold (25) are formed on the cast-in-place concrete guardrail, and concrete (27) is poured in the inner mold, and the movable scraping and spraying device for the cast-in-place concrete guardrail consists of at least three single-frame frames (1), a collecting system, a spraying system, a scraping cross rod (29), a stable cross rod (28), a track (12) arranged on a bridge surface (22) and a transport vehicle (21);
wherein at least three single frames (1) are arranged at intervals and are connected into a whole through stabilizing cross rods (28), and the stabilizing cross rods (28) are arranged between two adjacent single frames (1) in a crossing manner to play a role in fixing.
As shown in figure 4, a single frame (1) is composed of rollers (2), upright posts (3), cross rods (4) and a middle stabilizing frame (5), wherein at least two upright posts (3) are vertically arranged on the cross rods (4), the middle stabilizing frame (5) is arranged between the two upright posts (3) to play a role in stabilization, the rollers (2) are arranged at the bottom of the cross rods (4) to play a role in sliding, and the rollers (2) are arranged on tracks (12) to slide.
The collecting system is arranged between two adjacent single-frame frames (1) and consists of a sliding plate (13), a bearing (14), a fixing ring (15), a spring (16) and a flat tip solid rod (17), wherein the bearing (14) penetrates through the sliding plate (13) and then is fixed on a corresponding upright post (3) between the two front single-frame frames (1), the sliding plate (13) is in an inclined state relative to the upright post (3), two end sides of the sliding plate (13) respectively abut against an inner die (24) and a transport vehicle (21), and the sliding plate (13) is arranged between the two adjacent upright posts (3).
Specifically, the upper inclined end of the sliding plate (13) is connected with the flat sharp mouth plate (23), the lower part of the sliding plate (13) extends into the transport cart (21), the fixing rings (15) are respectively fixed on the upper end of the sliding plate (13) and the outer side of the upright post (3), and at least two springs (16) are arranged between the fixing rings (15) and used for keeping the flat sharp mouth plate (23) in the collecting system to be tightly attached to an inner die (24) of the guardrail, so that collected objects are prevented from falling on the bridge deck (22).
The strickling cross bar (29) is fixed on the single frame (1) at the middle position and clings to the outer mold (25) of the guardrail, and the strickling cross bar (29) clings to the back of the collecting system. The spraying system is arranged on the single frame (1) at the side and sprays the leveling cross rod (29).
The spraying system consists of a hollow pipe (6), a water pipe (7), a fixing hook (8), a spraying nozzle (9), a water tank (10) and a water pump (11), when guardrail concrete (27) enters a maintenance stage, spraying can be carried out, and the water tank (10) is fixed between two adjacent single frames (1) on the side.
Specifically, a hollow pipe (6) is arranged between two upright posts (3) of a single frame (1) at the side, a water pipe (7) is arranged in the hollow pipe (6), one end of the water pipe (7) is connected with a water pump (11), the water pump (11) is arranged in a water tank (10), the other end of the water pipe (7) is connected with a spray nozzle (9), and the spray direction of the spray nozzle (9) faces the position of a scraping cross rod (29).
The strickle cross bar (29) consists of a flat tip solid bar (17) at the front end, a hollow bar (18), a connecting bar (19) and a bolt (20), and is fixed on a single frame (1) at the middle position through the bolt (20). Specifically, one end of a connecting rod (19) is fixed on the single frame (1) through a bolt (20), the other end of the connecting rod is connected with a hollow rod (18), and the front end of the hollow rod (18) is connected with a flat tip solid rod (17).
The flat tip solid bar (17) is tightly attached to the outer mold (25) of the guardrail, and the whole scraping cross bar (29) is tightly attached to the rear side of the collecting system, so that the excess concrete (27) after scraping can be collected into the transport vehicle (21) along the collecting system.
The height of the outer mold (25) of the cast-in-place guardrail is larger than that of the inner mold (24), so that the excessive concrete (27) is prevented from being scattered outside the bridge surface (22) during strickling and collecting.
The construction method of the cast-in-place concrete guardrail movable strickling and spraying device comprises the following steps:
(1) laying rail (12):
after concrete pouring of the concrete guardrail is completed, a track (12) provided with a scraping spraying device is laid in an area where the concrete at the top of the guardrail needs to be scraped, wherein an inner mold (24) and an outer mold (25) are formed on the concrete guardrail, and concrete (27) is poured in the inner mold.
(2) Arranging a scraping spraying device:
moving the scraping and spraying device above the track (12) to enable the end of a plain sharp-ended solid rod (17) arranged on the sliding plate (13) to be in contact with an outer mold (25) of the guardrail,
wherein the scraping and spraying device consists of at least three single frames (1), a collecting system, a spraying system, a scraping cross rod (29) and a stable cross rod (28); wherein at least three single frames (1) are arranged at intervals and are connected into a whole through stabilizing cross rods (28), and the stabilizing cross rods (28) are arranged between two adjacent single frames (1) in a crossing manner; the collecting system is arranged between two adjacent single frames (1), and consists of a sliding plate (13), a bearing (14), a fixing ring (15), a spring (16) and a flat tip solid rod (17); wherein, the bearing (14) is fixed on the corresponding upright post (3) between the two single frame frames (1) at the front part after penetrating through the sliding plate (13), the sliding plate (13) is in an inclined state relative to the upright post (3), and the two end sides of the sliding plate (13) are respectively abutted against the inner mold (24) and the transport vehicle (21); the strickling cross bar (29) is fixed on the single frame (1) at the middle position and clings to the outer mold (25) of the guardrail, and the strickling cross bar (29) clings to the back of the collecting system; the spraying system is arranged on the single frame (1) at the side and sprays the leveling cross rod (29).
(3) Concrete leveling:
the movable strickling device is slowly pushed along the rail (12) to enable the sharp-end solid rod (17) on the strickling cross rod (29) to strickling off the excessive concrete on the top, the excessive concrete generated by strickling off slides into the transport vehicle (21) along the sharp-end plate (23), and during strickling, attention needs to be paid to whether the transport vehicle (21) has enough volume to be filled with concrete or not at all times, and if the transport vehicle is full, the concrete needs to be processed in time.
(4) Concrete curing:
after the concrete is screeded, the humidity and temperature conditions of the concrete need to be artificially maintained. When the temperature is too high, a layer of grass curtain is paved above the concrete, then the device is moved along the track, and at the moment, the spraying system of the device is controlled to spray water on the grass curtain so as to keep the humidity of the concrete.
(5) Removing the scraping spraying device:
when concrete curing is completed, the screed sprinklers and the transport vehicles (21) are removed, and the track (12) is subsequently removed.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (7)
1. The construction method of the cast-in-place concrete guardrail movable strickling spraying device is characterized by comprising the following steps of:
(1) laying rail (12):
after concrete pouring of the concrete guardrail is completed, a rail (12) of a scraping spraying device is laid in an area where the concrete at the top of the guardrail needs to be scraped, wherein an inner mold (24) and an outer mold (25) are formed on the concrete guardrail, and concrete (27) is poured in the inner mold;
(2) arranging a scraping spraying device:
moving a scraping spray device above a track (12) to enable the end of a flat sharp mouth solid rod (17) of a sliding plate (13) of the scraping spray device to be in contact with an outer mold (25) of a guardrail, wherein the scraping spray device is composed of at least three single frames (1), a collecting system, a spray system and a scraping cross rod (29), the collecting system is arranged between two adjacent single frames (1) and consists of the sliding plate (13), a bearing (14), a fixing ring (15), a spring (16) and the flat sharp mouth solid rod (17), the bearing (14) penetrates through the sliding plate (13) and then is fixed on a corresponding upright post (3) between the two front single frames (1), the sliding plate (13) is in an inclined state relative to the upright post (3), two end sides of the sliding plate (13) respectively abut against an inner mold (24) and a transport vehicle (21), and the fixing ring (15) is respectively fixed on the upper end of the sliding plate (13) and the outer side of the upright post (3), at least two springs (16) are arranged between the fixed rings (15), the leveling cross rod (29) is fixed on the single frame (1) at the middle position and is tightly attached to the outer mold (25) of the guardrail, the leveling cross rod (29) is tightly attached to the collecting system, and the spraying system is arranged on the single frame (1) at the side;
(3) concrete leveling:
the upper inclined end of the sliding plate (13) is connected with a flat sharp mouth plate (23), the lower part of the sliding plate (13) extends into the transport vehicle (21), and the flat sharp mouth plate (23) is tightly attached to an inner mold (24) of the guardrail; pushing the scraping and spraying device along the rail (12) to enable a flat tip solid rod (17) on a scraping cross rod (29) of the scraping and spraying device to scrape off the excess concrete on the top of the concrete guardrail, and sliding the excess concrete generated by scraping off into a transport vehicle (21) along a flat tip plate (23);
(4) concrete curing:
after the concrete is strickleed off, keeping the humidity and temperature conditions of the concrete, when the temperature is too high, paving a layer of straw curtain above the concrete, and then moving the strickle-off spraying device along the track to spray water on the straw curtain;
(5) removing the scraping spraying device:
when concrete curing is completed, the screed sprinklers and the transport vehicles (21) are removed, and the track (12) is subsequently removed.
2. A construction method of a mobile strike-off spray system for a cast-in-place concrete guardrail as claimed in claim 1, wherein in step (3), during strike-off, attention is constantly paid to whether the transport vehicle (21) has sufficient volume to be filled with concrete, and if the volume is nearly full, the concrete is handled in time.
3. A construction method of a movable strickling and spraying device for a cast-in-place concrete guardrail as claimed in claim 1, wherein at least three single frames (1) are arranged at intervals and connected into a whole through a stabilizing cross rod (28), the stabilizing cross rod (28) is arranged between two adjacent single frames (1) in a crossed manner, and a spraying system sprays strickling cross rods (29).
4. A construction method of a movable strickling and spraying device of a cast-in-place concrete guardrail as claimed in claim 1, wherein a single frame (1) is composed of rollers (2), upright posts (3), cross bars (4) and a middle stabilizing frame (5), wherein at least two upright posts (3) are vertically arranged on the cross bars (4), the middle stabilizing frame (5) is arranged between the two upright posts (3), and the rollers (2) are arranged at the bottom of the cross bars (4) and are arranged on a track (12).
5. The construction method of the movable strickling and spraying device of the cast-in-place concrete guardrail as claimed in claim 1, wherein a spraying system comprises hollow pipes (6), water pipes (7), fixing hooks (8), spraying nozzles (9), a water tank (10) and a water pump (11), the water tank (10) is fixed between two adjacent single frames (1) at the side, the hollow pipes (6) are arranged between two upright posts (3) of the single frames (1) at the side, the water pipes (7) are arranged in the hollow pipes (6), one end of each water pipe (7) is connected with the water pump (11), the water pump (11) is arranged in the water tank (10), the other end of each water pipe (7) is connected with the spraying nozzles (9), and the spraying direction of each spraying nozzle (9) faces the position of the strickling cross rod (29).
6. A construction method of a movable strickling and spraying device for a cast-in-place concrete guardrail as claimed in claim 1, wherein the strickling cross bar (29) is composed of a flat sharp-mouth solid bar (17), a hollow bar (18), a connecting bar (19) and a bolt (20) at the front end, and is fixed on the single-frame (1) at the middle position through the bolt (20), one end of the connecting bar (19) is fixed on the single-frame (1) through the bolt (20), the other end is connected with the hollow bar (18), and the front end of the hollow bar (18) is connected with the flat sharp-mouth solid bar (17).
7. The utility model provides a spray set is strickleed off to cast in situ concrete guardrail is portable sets up in cast in situ concrete guardrail one side, wherein forms centre form (24) and external mold (25) on the cast in situ concrete guardrail, has poured concrete (27) in it, its characterized in that includes:
the device comprises at least three single frames (1), a collecting system, a spraying system, a leveling cross rod (29), a stabilizing cross rod (28), a track (12) arranged on a bridge surface (22) and a transport vehicle (21);
wherein at least three single frames (1) are arranged at intervals and are connected into a whole through stabilizing cross rods (28), and the stabilizing cross rods (28) are arranged between two adjacent single frames (1) in a crossing manner;
the collecting system is arranged between two adjacent single frames (1) and consists of a sliding plate (13) and a bearing (14), wherein the bearing (14) penetrates through the sliding plate (13) and then is fixed on a corresponding upright post (3) between the two front single frames (1), the sliding plate (13) is in an inclined state relative to the upright post (3), two end sides of the sliding plate (13) respectively abut against an inner die (24) and a transport vehicle (21), fixing rings (15) are respectively fixed on the upper end of the sliding plate (13) and the outer side of the upright post (3), and at least two springs (16) are arranged between the fixing rings (15);
wherein the leveling cross rod (29) is fixed on the single frame (1) positioned in the middle and clings to an outer mold (25) of the guardrail, and the leveling cross rod (29) clings to the collecting system;
the spraying system is arranged on the single frame (1) at the side and sprays the leveling cross rod (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477056.9A CN110181658B (en) | 2019-06-03 | 2019-06-03 | Movable strickling and spraying device for cast-in-place concrete guardrail and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477056.9A CN110181658B (en) | 2019-06-03 | 2019-06-03 | Movable strickling and spraying device for cast-in-place concrete guardrail and construction method thereof |
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| Publication Number | Publication Date |
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| CN110181658A CN110181658A (en) | 2019-08-30 |
| CN110181658B true CN110181658B (en) | 2021-07-06 |
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| CN201910477056.9A Active CN110181658B (en) | 2019-06-03 | 2019-06-03 | Movable strickling and spraying device for cast-in-place concrete guardrail and construction method thereof |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2515566A1 (en) * | 1981-11-04 | 1983-05-06 | Safama | DEVICE FOR FILLING CONTINUOUSLY SHIFTING MOLDS, AND INSTALLATION COMPRISING SUCH A DEVICE |
| CN101864744B (en) * | 2010-06-03 | 2012-07-04 | 河南省公路工程局集团有限公司 | Construction method of novel wall fence for highway |
| CN203007849U (en) * | 2012-12-24 | 2013-06-19 | 中铁十七局集团第二工程有限公司 | Movable construction device for cast-in-place concrete crash barriers with hanging eaves |
| CN203738980U (en) * | 2014-03-29 | 2014-07-30 | 钱红梅 | Full-automatic maintaining device for prefabricated parts of bridges |
| CN106758829A (en) * | 2016-12-08 | 2017-05-31 | 张献波 | The leveling of outstanding rail integral type warehouse, floating device |
| CN206646408U (en) * | 2017-02-23 | 2017-11-17 | 长沙市公路桥梁建设有限责任公司 | Slding form operation equipment for bridge concrete guardrail |
| US10287150B1 (en) * | 2018-01-06 | 2019-05-14 | Ford Miller Holding Company, LLC | Mobile platform carrying system |
| CN208148120U (en) * | 2018-04-25 | 2018-11-27 | 巴彦淖尔市蒙强科技节能有限公司 | A kind of material scraping device |
| CN208118089U (en) * | 2018-04-25 | 2018-11-20 | 中交二航局第二工程有限公司 | Packaged type concrete guardrail curing means |
| CN210712547U (en) * | 2019-06-03 | 2020-06-09 | 倡创(上海)咨询管理事务所 | Movable strickle spraying device for cast-in-place concrete guardrail |
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2019
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