CN113799241A - Precast box girder curing means - Google Patents
Precast box girder curing means Download PDFInfo
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- CN113799241A CN113799241A CN202111313112.9A CN202111313112A CN113799241A CN 113799241 A CN113799241 A CN 113799241A CN 202111313112 A CN202111313112 A CN 202111313112A CN 113799241 A CN113799241 A CN 113799241A
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- cloth
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- tarpaulin
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- cloth collecting
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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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- 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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- Ceramic Engineering (AREA)
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Abstract
The invention discloses a precast box girder curing device which comprises a collecting part, a traction part, a telescopic bearing mechanism and tarpaulin, wherein the tarpaulin is lapped on the bearing mechanism; the traction part is detachably connected with one end of the bearing mechanism, and the collection part is detachably connected with the other end of the bearing mechanism; the collecting part is provided with a cloth collecting mechanism and a frame collecting groove, the cloth collecting mechanism is provided with a plurality of groups, the plurality of groups of cloth collecting mechanisms are arranged along the outer contour of the bearing mechanism, a roller shaft is arranged in each group of cloth collecting mechanisms, and the tarpaulin is wound on the roller shafts; the frame collecting groove is positioned at the inner side below the cloth collecting mechanism and is matched with the appearance of the bearing mechanism; the outer part of the frame collecting groove is fixedly connected with the cloth collecting mechanism; the invention ensures that the prefabricated box girder can be subjected to reinforcement binding construction in rainy season and steam curing in winter, and is beneficial to ensuring that the strength of concrete quickly meets the design requirement; the device not only can stretch out and draw back the folding, conveniently deposits, guarantees that the tarpaulin can not appear the damaged condition when collecting, moreover very big work that has alleviateed the workman.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a precast box girder maintenance device.
Background
The prefabricated box girders are used as important components of the viaduct, and the box girders are usually prefabricated in a girder manufacturing plant; if the maintenance device is not available, the prefabricated box girder cannot be bound by the reinforcing steel bars in rainy seasons, and the construction and maintenance in winter are covered by cotton quilts or plastic cloth, so that the maintenance effect is not ideal; therefore, when the precast box girder is manufactured or finished, steam curing needs to be carried out on the girder plate, the conventional curing device adopts manual covering tarpaulin, at least 8-10 workers are required to continuously carry out tarpaulin covering work each time, the tarpaulin can be covered well, the labor is greatly wasted, the efficiency is low, the tarpaulin is easily damaged during covering, the utilization rate is not high, the tarpaulin material is wasted, the cost of the curing device is increased, and the curing quality is difficult to ensure; there is a need for a device that can automatically cover a tarpaulin and can effectively protect the tarpaulin.
Disclosure of Invention
The invention aims to provide a precast box girder maintenance device to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a precast box girder curing device which comprises a collecting part, a traction part, a telescopic bearing mechanism and tarpaulin, wherein the tarpaulin is lapped on the bearing mechanism; the traction part is detachably connected to one end of the bearing mechanism, and the collection part is detachably connected to the other end of the bearing mechanism; the collecting part is provided with a cloth collecting mechanism and a frame collecting groove, the cloth collecting mechanism is provided with a plurality of groups, the plurality of groups of cloth collecting mechanisms are arranged along the outer contour of the bearing mechanism, a roller shaft is arranged in each group of cloth collecting mechanisms, and the tarpaulin is wound on the roller shafts; the frame collecting groove is positioned at the inner side below the cloth collecting mechanism and is matched with the appearance of the bearing mechanism; the outer part of the frame collecting groove is fixedly connected with the cloth collecting mechanism. When the tarpaulin is in actual use, the labor of workers can be effectively reduced, the tarpaulin is effectively separated from the bearing mechanism through the mutual matching of the collecting part and the traction part, the tarpaulin is prevented from being scratched by the bearing mechanism when being collected, and the utilization rate of the tarpaulin is improved; and can also realize fixing bearing mechanism effectively through collection portion and traction portion, avoid bearing mechanism because the volume is too big, receive the unstable phenomenon that wind-force influences appears, improve the practicality of device.
Preferably, the bearing mechanism comprises a plurality of groups of frameworks, the plurality of groups of frameworks are sequentially arranged from the collecting part to the traction part, and telescopic scissor frames are respectively hinged between two adjacent groups of frameworks; each group of frameworks comprises an arch frame positioned at the top of the framework, pillars are vertically arranged below two end parts of the arch frame, and rollers are arranged below the pillars; the vault is in a semicircular arch shape, so that rainwater cannot be accumulated on the top in rainy days after the tarpaulin is covered, and the working space in the interior can be effectively enlarged; the inclined struts are fixedly arranged at the connecting positions of the upright columns and the circular vault, so that the overall stability of each group of frameworks is further enhanced; the upright post is a square steel mechanism; the telescopic scissor rack is connected with the adjacent upright posts in two ways, one is that two hinge points are connected with the upright posts, and the other is that one hinge point is connected with the upright posts; the telescopic scissors frame is composed of four mutually hinged connecting rods which can rotate mutually.
Preferably, a telescopic fixing rod is arranged on the support, the middle part of the telescopic fixing rod is rotatably connected with the support, the telescopic fixing rod is divided into a fixing rod and a telescopic rod, a fastening knob is arranged on the rod body of the fixing rod, and a clamping block is arranged at one side of the end part of the telescopic rod, which faces the support; two groups of the telescopic fixing rods between the adjacent pillars on the same side are longitudinally arranged in a staggered manner; the telescopic rods are connected by two adjacent frameworks, and only the telescopic shear shank and the idler wheel are connected and supported between the two adjacent frameworks and are unstable, so that the stability is enhanced by additionally arranging the telescopic connecting rods; because the telescopic length of the bearing mechanism is different, the fixed rod is also made into a telescopic structure so as to be convenient for the telescopic fixed rod to be matched with the bearing mechanism.
Preferably, the tarpaulin comprises an upper cloth body for covering the arch, side cloth bodies for covering the pillars at both sides, and a transverse cloth body for covering the end part of the framework; the cloth body is divided into three parts, namely a cloth body on two side surfaces and a cloth body on the top surface, and a transverse cloth body (not shown in the figure), wherein the transverse cloth body is a tarpaulin additionally covered on the end part and is also connected and fixed with the hanging ring, and the shape and the function of the transverse cloth body are similar to those of a door curtain.
Preferably, the cloth collecting mechanism comprises an upper cloth collecting mechanism for collecting the upper cloth body, and a first side cloth collecting mechanism and a second side cloth collecting mechanism which are provided with collecting side cloth bodies; the upper cloth collecting mechanism is a transverse cloth collecting mechanism, and the first side cloth collecting mechanism and the second side cloth collecting mechanism are vertical cloth collecting mechanisms; a box door for opening the cloth collecting mechanism is arranged on the side wall of the cloth collecting mechanism; each cloth collecting mechanism is provided with a cloth inlet which can play a role of flattening the tarpaulin, so that the tarpaulin is prevented from being wrinkled during collection, the tarpaulin is prevented from being aged and broken for a long time, and the integrity of the tarpaulin is effectively embraced and rested; the chamber door is convenient for the workman to take out the tarpaulin, maintains or changes.
Preferably, go up and receive inside first roller that is provided with of cloth mechanism, first roller is through first motor drive, the inside second roller that is provided with of cloth mechanism is received to first side, the second roller passes through second motor drive, the inside third roller that is provided with of cloth mechanism is received to second side, the third roller passes through third motor drive.
Preferably, the outer contour of the traction part is matched with the outer contour of the framework, and a hanging ring for fixing the end part of the tarpaulin is arranged on the outer side wall of the traction part; the bottom end of the traction part is provided with a fourth motor, and the fourth motor is in transmission with a wheel shaft of the roller through a chain; the tarpaulin is provided with a circular hole, and the hole is matched with the hanging ring, so that workers can connect the tarpaulin conveniently.
Preferably, a rotatable steel pipe is rotatably connected below the arch centering, the steel pipe is a galvanized steel pipe, and the steel pipes between two adjacent arch centering can be connected; the steel pipe between two adjacent skeletons can interconnect, and length between the steel pipe is unanimous with the length of telescopic scissor holder complete extension, and the connection between the steel pipe of being convenient for can arrange the steel pipe slope when telescopic scissor holder does not expand completely, when using, needs install soft connecting pipe additional between two steel pipe ports.
Preferably, a rack is movably arranged in the strut, a gear is coupled to the middle of the telescopic rod through the side wall of the strut, the gear is meshed with the rack, a through hole is formed in the bottom of the strut, and the bottom of the rack is communicated with the outside through the through hole; when the workman rotated flexible dead lever, the gear can with rack toothing, with rack down pushing, and then promotes the landing leg and support, further stabilizes the connecting piece.
The bottom of the rack is fixedly connected with a support, the support comprises a support leg and an inclined rod hinged with the inside of the support leg, and a first spring is connected between the inclined rod and the support leg; the bottom of the supporting leg is slidably connected with a sliding block, the sliding block penetrates through the bottom surface of the supporting leg, and a second spring is connected between the side wall of the sliding block and the bottom surface of the supporting leg; one side of the supporting leg, which is far away from the inclined rod, is connected with a limiting frame, and the limiting frame penetrates through the side wall of the supporting leg and is abutted against the end part of the sliding block; when the supporting legs extend out of the through holes, the inclined rods can be pushed out under the action of the elastic force of the first springs, the inclined fixing function is achieved, and the supporting columns are stabilized; when the supporting legs move downwards to contact the ground, the ground can extrude the sliding blocks to retract the inside of the supporting legs, the transverse plates are pushed, the limiting frames are transversely arranged, the long plates of the limiting frames enter the two sides of the idler wheels, and the idler wheels are limited; when the limiting frame is retracted, the second spring can pull the sliding block to slide downwards, and the sliding block retracts the limiting frame through the steel wire.
Preferably, the limiting frame comprises a short plate and a long plate, the long plate is Y-shaped, the short plate penetrates through the side face of the supporting leg, and the end part of the short plate is connected with the end part of the sliding block through a steel wire; the width of the empty groove in the middle of the long plate is larger than that of the roller.
The invention discloses the following technical effects:
(1) the precast box girder is placed in the maintenance device for construction, so that the precast box girder can be effectively ensured to be subjected to reinforcement binding construction in rainy season and steam maintenance in winter, and the strength of concrete can be favorably ensured to quickly meet the design requirement;
(2) the maintenance device disclosed by the invention not only can be stretched and folded and is convenient to store, but also can automatically realize that the tarpaulin and the framework are separately folded and unfolded, so that the tarpaulin is prevented from being damaged when being collected, the labor of workers is greatly reduced, and automatic classified collection is realized; because tarpaulin and skeleton part are collected for the utilization ratio of tarpaulin improves by a wide margin.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a front view of a load bearing mechanism of the present invention;
FIG. 2 is a schematic view of the maintenance device according to the present invention;
FIG. 3 is a schematic view of the structure of the awning cloth of the present invention;
FIG. 4 is a schematic view of the apparatus of the present invention;
FIG. 5 is a schematic view of another embodiment of the apparatus of the present invention;
FIG. 6 is a schematic view of the structure of the telescopic fixing rod of the present invention;
FIG. 7 is a schematic view of the internal structure of the strut of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7;
FIG. 9 is a top view of a limiting plate of the present invention;
wherein: 1. a framework; 2. an arch frame; 3. a pillar; 4. tarpaulin; 5. a telescopic scissor rack; 51. a top telescoping mast; 6. a roller; 7. a steel pipe; 8. a collecting section; 9. a cloth body is arranged; 10. a side cloth body; 11. a first side cloth collecting mechanism; 12. a traction part; 13. hanging a ring; 14. a fourth motor; 15. a chain; 16. a first roller shaft; 17. a first motor; 18. a second roller shaft; 19. a second motor; 20. a third motor; 21. a cloth inlet; 22. a third roller shaft; 23. an upper cloth collecting mechanism; 24. a rack collecting groove; 25. fixing the rod; 26. a telescopic rod; 27. a clamping block; 28. a telescopic fixing rod; 29. fastening a knob; 30. a second side cloth collecting mechanism; 31. a gear; 32. a rack; 33. a through hole; 34. a diagonal bar; 35. a slider; 36. a support leg; 37. a first spring; 38. a limiting frame; 381. a long plate; 382. a short plate; 39. a second spring.
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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-8, the invention provides a precast box girder curing device, which comprises a collecting part 8, a traction part 12, a telescopic bearing mechanism and tarpaulin 4, wherein the tarpaulin 4 is lapped on the bearing mechanism; the traction part 12 is detachably connected with one end of the bearing mechanism, and the collection part 8 is detachably connected with the other end of the bearing mechanism; the collecting part 8 is provided with a cloth collecting mechanism and a frame collecting groove 24, the cloth collecting mechanism is provided with a plurality of groups, the plurality of groups of cloth collecting mechanisms are arranged along the outer contour of the bearing mechanism, a roller shaft is arranged in each group of cloth collecting mechanisms, and the tarpaulin 4 is wound on the roller shafts; the frame collecting groove 24 is positioned at the inner side below the cloth collecting mechanism, and the frame collecting groove 24 is matched with the appearance of the bearing mechanism; the outside of the frame collecting groove 24 is fixedly connected with the cloth collecting mechanism. In actual use, the labor of workers can be effectively reduced, the collection part 8 and the traction part 121 are matched with each other, the tarpaulin 4 is effectively separated from the bearing mechanism, the tarpaulin 4 is prevented from being scratched by the bearing mechanism when being collected, and the utilization rate of the tarpaulin 4 is improved; and can also realize fixing to bearing mechanism effectively through collection portion 8 and traction portion 12, avoid bearing mechanism because the volume is too big, receive the unstable phenomenon that wind-force influences appears, improved the practicality of device.
The bearing mechanism comprises a plurality of groups of frameworks 1, the plurality of groups of frameworks 1 are sequentially arranged from the collecting part 8 to the traction part 12, and telescopic scissor frames 5 are respectively hinged between two adjacent groups of frameworks 1; every skeleton 1 of group has pillar 3 including the bow member 2 that is located skeleton 1 top, the both ends below vertical arrangement of bow member 2, and pillar 3 below is provided with gyro wheel 6. The vault is in a semicircular arch shape, so that rainwater cannot be accumulated on the top after the tarpaulin 4 is covered in rainy days, and the working space in the inner part can be effectively enlarged; the connecting position of the upright post and the circular vault is fixedly provided with an inclined strut, so that the overall stability of each group of frameworks 1 is further enhanced; the upright post is a square steel mechanism; the telescopic scissor rack 5 is connected with the adjacent upright posts in two ways, one is that two hinged points are connected with the upright posts, and the other is that one hinged point is connected with the upright posts; the telescopic scissor frame 5 consists of four connecting rods which are hinged with each other and can rotate with each other; the middle position of the bottom of the arch frame is also provided with a top connecting frame 51, and the shape of the top connecting frame 51 is consistent with that of the telescopic scissor frame 5.
A telescopic fixing rod 28 is arranged on the pillar 3, the middle part of the telescopic fixing rod 28 is rotatably connected with the pillar 3, the telescopic fixing rod 28 is divided into a fixing rod 25 and a telescopic rod 26, a fastening knob 29 is arranged on the rod body of the fixing rod 25, and a clamping block 27 is arranged at one side, facing the pillar 3, of the end part of the telescopic rod 26; two groups of telescopic fixing rods 28 between adjacent pillars 3 on the same side are longitudinally arranged in a staggered manner. The telescopic rod 26 is used for connecting two adjacent frameworks 1, and only the telescopic scissor frame 5 and the roller 6 are connected and supported between the two adjacent frameworks 1 and are unstable, so that the stability is enhanced by additionally arranging the telescopic connecting rod; the fixing rod 25 is also made into a telescopic structure to facilitate the adaptation of the telescopic fixing rod 28 to the carrying mechanism, due to the difference of the telescopic length of the carrying mechanism. A rack 32 is movably arranged in the strut 3, a gear 31 is coupled to the middle of the telescopic rod 26 through the side wall of the strut 3, the gear 31 is meshed with the rack 32, a through hole 33 is formed in the bottom of the strut 3, and the bottom of the rack 32 is communicated with the outside through the through hole 33; when the worker rotates the telescopic fixing rod 28, the gear 31 is engaged with the rack 32, the rack 32 is pushed downward, and the leg 36 is pushed to support, thereby further stabilizing the connecting member.
The tarpaulin 4 includes an upper cloth body 9 for covering the arch 2, a side cloth body 10 for covering the both side poles 3, and a lateral cloth body for covering the end of the frame 1. The cloth body is divided into three parts, namely a cloth body on two side surfaces and a cloth body on the top surface, and a transverse cloth body (not shown in the figure), wherein the transverse cloth body is a tarpaulin 4 covered on the end part and is also connected and fixed with a hanging ring 13, and the shape and the function of the transverse cloth body are similar to those of a door curtain.
The cloth collecting mechanism comprises an upper cloth collecting mechanism 23 for collecting the upper cloth body 9, a first side cloth collecting mechanism 11 with a collecting side cloth body 10 and a second side cloth collecting mechanism 30; the upper cloth collecting mechanism 23 is a transverse cloth collecting mechanism, and the first side cloth collecting mechanism 11 and the second side cloth collecting mechanism 30 are vertical cloth collecting mechanisms; and a box door for opening the cloth collecting mechanism is arranged on the side wall of the cloth collecting mechanism. Each cloth collecting mechanism is provided with a cloth inlet 21, the cloth inlets 21 can play a role of leveling the tarpaulin 4, the tarpaulin 4 is prevented from being wrinkled when being collected, the tarpaulin 4 is prevented from being aged and broken for a long time, and the integrity of the tarpaulin 4 is effectively ensured; the box door is convenient for workers to take out the tarpaulin 4 for maintenance or replacement. Go up and receive cloth mechanism 23 inside and be provided with first roller 16, first roller 16 passes through first motor 17 drive, and first side is received cloth mechanism 11 inside and is provided with second roller 18, and second roller 18 passes through second motor 19 drive, and second side is received cloth mechanism 30 inside and is provided with third roller 22, and third roller 22 passes through third motor 20 drive.
The outer contour of the traction part 12 is matched with the outer contour of the framework 1, and a hanging ring 13 for fixing the end part of the tarpaulin 4 is arranged on the outer side wall of the traction part 12; the bottom end of the traction part 12 is provided with a fourth motor 14, and the fourth motor 14 is in transmission with the wheel shaft of the roller 6 through a chain 15. The tarpaulin 4 is provided with a circular hole which is matched with the hanging ring 13, so that a worker can conveniently connect the tarpaulin.
The working process is as follows: when the maintenance device is installed, the collecting part 8 and the bearing mechanism inside the collecting part are erected together; manually hanging the tarpaulin 4 in the upper cloth collecting mechanism 23 and the end parts of the tarpaulin 4 in the first side cloth collecting mechanism 11 and the second side cloth collecting mechanism 30 on the hanging rings 13; start fourth motor 14, fourth motor 14 drives gyro wheel 6 and outwards removes, under the drive of traction part 12, pull out skeleton 1 and tarpaulin 4, after pulling out suitable length, because the tarpaulin is the state of flare-outing, therefore, only need the workman to carry out fixed knot structure (the couple is fixed or magnetism is inhaled fixedly) with the tarpaulin of both sides near the upper end of vault, the flexible dead lever 28 at workman re-rotation pillar 3 middle part, adjust flexible dead lever 28 and two adjacent pillars 3 adaptations, fix telescopic link 26 and pillar 3 through the card caking piece, landing leg 36 can further be fixed skeleton 1 this moment, stabilize whole curing means. When the tarpaulin 4 is withdrawn, the tarpaulin 4 is taken down from the hanging ring 13, the motor drives the roll shaft to rotate, the tarpaulin 4 is packed up and stored, then the framework 1 is packed up, and the recovery work can be completed.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. The utility model provides a precast box girder curing means which characterized in that: the device comprises a telescopic bearing mechanism, a collecting part (8) connected to one end of the telescopic bearing mechanism, and a traction part (12) connected to the other end of the telescopic bearing mechanism, wherein the bearing mechanism is lapped with tarpaulin (4); the traction part (12) is detachably connected to one end of the bearing mechanism, and the collection part (8) is detachably connected to the other end of the bearing mechanism; the collecting part (8) is provided with a cloth collecting mechanism and a frame collecting groove (24), the cloth collecting mechanism is provided with a plurality of groups, the plurality of groups of cloth collecting mechanisms are arranged along the outer contour of the bearing mechanism, a roller shaft is arranged in each group of cloth collecting mechanisms, and the tarpaulin (4) is wound on the roller shaft; the frame collecting groove (24) is positioned at the inner side below the cloth collecting mechanism, and the frame collecting groove (24) is matched with the appearance of the bearing mechanism; the outer part of the frame collecting groove (24) is fixedly connected with the cloth collecting mechanism.
2. The precast box girder curing device of claim 1, wherein: the bearing mechanism comprises a plurality of groups of frameworks (1), the plurality of groups of frameworks (1) are sequentially arranged from the collecting part (8) to the traction part (12), and telescopic scissor frames (5) are respectively hinged between two adjacent groups of frameworks (1); every group skeleton (1) is including being located bow member (2) at skeleton (1) top, the both ends below vertical arrangement of bow member (2) has pillar (3), pillar (3) below is provided with gyro wheel (6).
3. The precast box girder curing device of claim 2, wherein: a telescopic fixing rod (28) is arranged on the pillar (3), the middle part of the telescopic fixing rod (28) is rotatably connected with the pillar (3), the telescopic fixing rod (28) is divided into a fixing rod (25) and a telescopic rod (26), a fastening knob (29) is arranged on the rod body of the fixing rod (25), and a clamping block (27) is arranged at one side, facing the pillar (3), of the end part of the telescopic rod (26); two groups of the telescopic fixing rods (28) between the adjacent pillars (3) on the same side are longitudinally arranged in a staggered manner.
4. The precast box girder curing device of claim 2, wherein: the tarpaulin (4) comprises an upper cloth body (9) used for covering the arch centering (2), side cloth bodies (10) used for covering the pillars (3) at two sides and a transverse cloth body used for covering the end part of the framework (1).
5. The precast box girder curing device of claim 4, wherein: the cloth collecting mechanism comprises an upper cloth collecting mechanism (23) for collecting the upper cloth body (9), a first side cloth collecting mechanism (11) and a second side cloth collecting mechanism (30) for collecting the side cloth body (10); the upper cloth collecting mechanism (23) is a transverse cloth collecting mechanism, and the first side cloth collecting mechanism (11) and the second side cloth collecting mechanism (30) are vertical cloth collecting mechanisms; and a box door for opening the cloth collecting mechanism is arranged on the side wall of the cloth collecting mechanism.
6. The precast box girder curing device of claim 5, wherein: go up to receive cloth mechanism (23) inside and be provided with first roller (16), first roller (16) are through first motor (17) drive, first side is received cloth mechanism (11) inside and is provided with second roller (18), second roller (18) are through second motor (19) drive, second side is received cloth mechanism (30) inside and is provided with third roller (22), third roller (22) are through third motor (20) drive.
7. The precast box girder curing device of claim 2, wherein: the outer contour of the traction part (12) is matched with the outer contour of the framework (1), and a hanging ring (13) for fixing the end part of the tarpaulin (4) is arranged on the outer side wall of the traction part (12); the bottom end of the traction part (12) is provided with a fourth motor (14), and the fourth motor (14) is in transmission connection with a wheel shaft of the roller (6) through a chain (15).
8. The precast box girder curing device of claim 2, wherein: the steel tube arch is characterized in that a rotatable steel tube (7) is rotatably connected to the lower portion of each arch frame (2), the steel tubes (7) are galvanized steel tubes, and the steel tubes (7) between every two adjacent arch frames (2) can be connected.
9. The precast box girder curing device of claim 3, wherein: a rack (32) is movably arranged in the strut (3), a gear (31) is connected to the middle of the telescopic rod (26) in a shaft mode by penetrating through the side wall of the strut (3), the gear (31) is meshed with the rack (32), a through hole (33) is formed in the bottom of the strut (3), and the bottom of the rack (32) penetrates through the through hole (33) and is communicated with the outside;
the bottom of the rack (32) is fixedly connected with a support, the support comprises a supporting leg (36) and an inclined rod (34) hinged with the inside of the supporting leg (36), and a first spring (37) is connected between the inclined rod (34) and the supporting leg (36); the bottom of the supporting leg (36) is connected with a sliding block (35) in a sliding mode, the sliding block (35) penetrates through the bottom surface of the supporting leg (36), and a second spring (39) is connected between the side wall of the sliding block (35) and the bottom surface of the supporting leg (36); the supporting leg (36) is far away from one side of the inclined rod (34) and is connected with a limiting frame (38), and the limiting frame (38) penetrates through the side wall of the supporting leg (36) and is abutted to the end part of the sliding block (35).
10. The precast box girder curing device of claim 9, wherein: the limiting frame (38) comprises a short plate (382) and a long plate (381), the long plate (381) is Y-shaped, the short plate (382) penetrates through the side face of the supporting leg (36), and the end part of the short plate (382) is connected with the end part of the sliding block (35) through a steel wire; the width of the hollow groove in the middle of the long plate (381) is larger than that of the roller (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111313112.9A CN113799241B (en) | 2021-11-08 | 2021-11-08 | Precast box girder curing means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111313112.9A CN113799241B (en) | 2021-11-08 | 2021-11-08 | Precast box girder curing means |
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| CN113799241A true CN113799241A (en) | 2021-12-17 |
| CN113799241B CN113799241B (en) | 2022-07-12 |
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| CN113147566A (en) * | 2021-04-02 | 2021-07-23 | 山东三星机械制造有限公司 | Automatic tarpaulin system for van |
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2021
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| US20170144518A1 (en) * | 2014-06-23 | 2017-05-25 | European Trailer Systems Gmbh | Tarpaulin structure |
| CN207122179U (en) * | 2017-05-29 | 2018-03-20 | 中铁十四局集团第四工程有限公司 | The flexible maintenance canopy of prefabricated girder steam curing |
| CN109382901A (en) * | 2018-10-19 | 2019-02-26 | 湖南三快而居住宅工业有限公司 | Skeleton and curing cover |
| CN213448886U (en) * | 2020-09-19 | 2021-06-15 | 江苏凯柏篷房制造有限公司 | Fluffy room of industry with ultraviolet protection function |
| CN113147566A (en) * | 2021-04-02 | 2021-07-23 | 山东三星机械制造有限公司 | Automatic tarpaulin system for van |
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| CN113799241B (en) | 2022-07-12 |
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