CN113338130A - Highway engineering construction bridge face concrete curing means - Google Patents

Abstract

The application relates to the field of highway engineering, in particular to a highway engineering construction bridge surface concrete maintenance device, which comprises a mounting frame and two groups of travelling wheels, wherein the two groups of travelling wheels are respectively and rotatably supported on two sides of the mounting frame; the film covering device is rotatably supported on the mounting rack and used for winding a film covering roller of the protective film; the film pressing device comprises an elastic connecting piece connected to the mounting frame and a film pressing roller arranged behind the film laminating roller along the walking direction along the horizontal direction, two ends of the film pressing roller are respectively rotatably supported on the elastic connecting piece, and the film pressing roller is abutted against the ground; spray set, including fixed connection in the water storage box of mounting bracket, be located tectorial membrane roller is along the place ahead of walking direction and communicate in the shower of water storage box, locate a plurality of atomizer of shower, locate the pump body between shower and the water storage box. This application has the effect that promotes the efficiency of construction.

Description

Highway engineering construction bridge face concrete curing means

Technical Field

The application relates to the field of highway engineering, in particular to a highway engineering construction bridge surface concrete curing device.

Background

In highway engineering, the strength of deck concrete is developed depending on hydration conditions, and temperature and humidity are important factors affecting the hydration speed and degree of cement, so that after concrete is poured and formed, proper temperature and enough humidity must be maintained for a certain period of time to sufficiently hydrate the cement.

Concrete curing generally adopts several methods such as watering natural curing, spraying film curing, plastic film wrapping curing and the like. The concrete curing mechanisms are all to keep the concrete moist and avoid water loss so as to achieve the curing purpose.

Wherein, plastic film parcel maintenance is through closely covering concrete exposure face, reach the purpose that prevents the surface moisture evaporation, the maintenance membrane of moisturizing of concrete is with novel controllable macromolecular material as the core, use plastic film as the carrier, the adhesion is compound to be formed, macromolecular material can absorb the moisture of self weight 200 times, become transparent crystalline lens after the inflation that absorbs water, become solid-state water liquid water, then through capillary action, constantly permeate to the maintenance face, constantly absorb the evaporating water of maintenance body in the concrete hydration heat in-process again simultaneously. Therefore, the maintenance film can ensure that the maintenance body surface is kept moist in a maintenance period, the relative humidity is greater than or equal to 90 percent, micro cracks are effectively inhibited, and the engineering quality is ensured.

As a new material, the concrete moisture-retaining curing film is widely applied to various fields of engineering construction such as highways, railways and water conservancy, and plays a role in preventing concrete quality problems more and more.

However, the existing concrete curing for highway engineering construction has certain disadvantages, because the existing concrete curing usually needs to be covered on the surface of concrete, and the film covering process usually adopts the protection film which is manually pushed to be rolled for covering, the traditional operation mode wastes time and labor, occupies a large amount of labor resources, and greatly reduces the construction efficiency.

Disclosure of Invention

In order to facilitate in highway engineering construction, maintain to the bridge floor concrete, promote the efficiency of construction, this application provides a highway engineering construction bridge floor concrete curing means.

The application provides a pair of highway engineering construction bridge face concrete curing means adopts following technical scheme:

the utility model provides a highway engineering construction bridge face concrete curing means, includes:

the traveling device comprises a mounting frame and two traveling wheel groups which are respectively rotatably supported on two sides of the mounting frame;

the film covering device is rotatably supported on the mounting rack and used for winding a film covering roller of the protective film;

the film pressing device comprises an elastic connecting piece connected to the mounting frame and a film pressing roller arranged behind the film laminating roller along the walking direction along the horizontal direction, two ends of the film pressing roller are respectively rotatably supported on the elastic connecting piece, and the film pressing roller is abutted against the ground;

spray set, including fixed connection in the water storage box of mounting bracket, be located tectorial membrane roller is along the place ahead of walking direction and communicate in the shower of water storage box, locate a plurality of atomizer of shower, locate the pump body between shower and the water storage box.

Preferably, the elastic connecting piece comprises a fixed rod hinged to the mounting frame, a movable sleeve slidably sleeved on the fixed rod, and an elastic piece connected between the fixed rod and the movable sleeve, and one end, far away from the fixed rod, of the movable sleeve is hinged to the end of the film pressing roller.

Preferably, one end of the inner wall of the movable sleeve, which is close to the fixed rod, is fixedly connected with a first limit ring, and one end of the fixed rod, which is located in the movable sleeve, is fixedly connected with a second limit ring.

Preferably, the walking wheel set includes action wheel and a plurality of directional wheel, and every group walking wheel set outside all is equipped with the belt.

Preferably, the walking device further comprises a plurality of transmission shafts rotatably supported on the mounting frame, a plurality of first bevel gears fixedly connected to the transmission shafts in a one-to-one correspondence manner, a driving shaft rotatably supported on the mounting frame, a plurality of second bevel gears respectively fixedly connected to the driving shaft and meshed with the first bevel gears in a one-to-one correspondence manner, and a driving motor connected to the driving shaft, wherein two ends of each transmission shaft are respectively and fixedly connected to driving wheels in each group of walking wheel sets in a corresponding manner.

Preferably, the mounting rack is further provided with a transverse moving device, the transverse moving device comprises a lifting frame arranged on the mounting rack and a transverse moving wheel rotatably supported on the lifting frame, and the rotation axis of the transverse moving wheel is perpendicular to the rotation axis of the orientation wheel.

Preferably, the crane includes that the top articulates respectively in first bracing piece and the second bracing piece of mounting bracket, connects respectively in the connecting rod at first bracing piece middle part and second bracing piece middle part, along vertical direction threaded connection in mounting bracket and bottom rotate connect in the driving screw, the fixed connection of connecting rod in driving screw's rotation handle, the waist type groove that extends along its self length direction is all seted up at first bracing piece and second bracing piece middle part, the connecting rod both ends stretch into both sides respectively waist type inslot and rotate connect in waist type groove, the driving screw bottom with be equipped with the axial locating part between the connecting rod.

Preferably, a rotating groove is formed in the connecting rod, the bottom end of the driving screw is rotatably connected to the inside of the rotating groove, and the axial limiting part comprises a limiting ring groove formed in the peripheral wall of the rotating groove and a connecting ring rotatably connected to the inside of the limiting ring groove.

Preferably, the film pressing roller is internally provided with a heating pipe spirally extending around the axis of the film pressing roller.

Preferably, the tectorial membrane roller includes to wear to locate along the horizontal direction the back shaft, the rotation cover of mounting bracket are located the outside support sleeve of back shaft, the brace hole that runs through along the horizontal direction is all seted up to the mounting bracket both sides, the back shaft both ends stretch into respectively in the brace hole, the back shaft terminal surface all sets up threaded hole, screw hole female connection has fastening screw, fastening screw is located the outside one end fixedly connected with knob of mounting bracket, the knob diameter is greater than brace hole diameter.

In summary, the present application includes at least one of the following beneficial technical effects:

1. under the cooperation of the traveling device, the film laminating device, the film pressing device and the spraying device, when a protective film is covered on a bridge floor, a worker winds the protective film around the film laminating roller in advance, when the film is covered, the traveling device drives the curing device to move integrally, the protective film on the film laminating roller is tightly attached to the bottom surface through the lower end of the film laminating roller, the spraying device is arranged at the front end of the film laminating roller, so that the protective film is covered on sufficient concrete after the concrete fully absorbs moisture, the evaporation and the dissipation of the moisture are prevented, the labor intensity of the worker is reduced, the labor efficiency of the worker is improved, the construction efficiency of engineering is improved, the protective film is tightly attached to the surface of the concrete through the arrangement of the film laminating roller, gaps are reduced, and the curing effect on the concrete is improved;

2. the film pressing roller is connected to the mounting frame through the elastic connecting piece, so that when the curing device passes through the uneven surface of the concrete, the film pressing roller is not easy to collide with the concrete through elasticity, and the curing process is more convenient;

3. the belt is sleeved outside the travelling wheel set, so that the contact area between the curing device and the surface of the concrete is increased, the pressure between the curing device and the concrete is reduced, and the condition that the surface of the concrete is pressed with an indentation is reduced;

4. the travelling wheel set is set to be a directional movable wheel body, so that the condition of path deviation is reduced in the moving process of the maintenance device, and the neatness degree of laying of the protective film is increased;

5. by arranging the transverse moving device on the mounting frame, when the curing device travels to the end of the concrete surface needing film coating, the transverse moving device is used for transversely moving the curing device integrally, so that an operator can conveniently control the curing device to coat the film on the non-film-coated area of the concrete;

6. through setting up the heating pipe, when the tectorial membrane roller that is located press mold roller anterior segment was laminated the protecting film in the concrete surface, heat the protecting film through the heating pipe to the protecting film that adjacent two were listed as is closely laminated after carrying out the overheating and is in the same place, reduces the gap between the protecting film, and through heating the back, makes concrete surface temperature promote, thereby further promotes the maintenance effect to the concrete.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

FIG. 2 is a partial sectional view of the film deposition apparatus according to the present embodiment.

Fig. 3 is a schematic structural view of the bottom portion in this embodiment.

Fig. 4 is a schematic structural diagram of the lateral moving device in the present embodiment.

Fig. 5 is a sectional view of the lateral movement device in the present embodiment.

Fig. 6 is a sectional view of the pressure membrane apparatus in this embodiment.

Fig. 7 is a partially enlarged view of a portion a in fig. 6.

Description of reference numerals: 1. a traveling device; 2. a film covering device; 3. a film pressing device; 4. a spraying device; 5. a mounting frame; 6. a traveling wheel set; 7. a rectangular cage frame; 8. a protection plate; 9. a film laminating roller; 10. a support shaft; 11. a support sleeve; 12. a bearing; 13. a support hole; 14. a threaded hole; 15. fastening a screw rod; 16. a knob; 17. a drive shaft; 18. a first bevel gear; 19. a drive shaft; 20. a second bevel gear; 21. a drive motor; 22. a driving wheel; 23. a directional wheel; 24. a belt; 25. a shaft seat; 26. a lateral movement device; 27. a lifting frame; 28. a traversing wheel; 29. a first support bar; 30. a second support bar; 31. a connecting rod; 32. a drive screw; 33. rotating the handle; 34. a flange nut; 35. a rotating groove; 36. a waist-shaped groove; 37. an axial stop; 38. a limiting ring groove; 39. a connecting ring; 40. an elastic connecting member; 41. a film pressing roller; 42. a film pressing sleeve; 43. fixing the rod; 44. a movable sleeve; 45. an elastic member; 46. a first limit ring; 47. a second stop collar; 48. heating a tube; 49. a water storage tank; 50. a shower pipe; 51. an atomizing spray head; 52. a pump body; 53. a water inlet pipe; 54. a ball valve; 55. a central axis.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses highway engineering construction bridge face concrete curing means. Referring to fig. 1, a highway engineering construction bridge surface concrete curing means includes running gear 1, tectorial membrane device 2, pressure membrane device 3 and spray set 4, wherein, running gear 1 includes mounting bracket 5 and rotates two sets of walking wheel group 6 that support in mounting bracket 5 both sides respectively, mounting bracket 5 removes through two sets of walking wheel group 6, tectorial membrane device 2, pressure membrane device 3 and spray set 4 all set up on mounting bracket 5, even if in order to drive the whole removal of curing means through running gear 1.

Referring to fig. 1 and 2, the mounting frame 5 includes a rectangular cage frame 7 made of angle steel by welding, two sides and top sides of the rectangular cage frame 7 are fixedly connected with protection plates 8 respectively, the film covering device 2 includes a film covering roller 9 rotatably supported on the mounting frame 5 and used for winding a protection film, the film covering roller 9 includes a support shaft 10 passing through the protection plates 8 along the horizontal direction, a support sleeve 11 rotatably sleeved outside the support shaft 10, a bearing 12 arranged between the support shaft 10 and the support sleeve 11, the protection plates 8 on two sides are both provided with support holes 13 passing through along the horizontal direction, two ends of the support shaft 10 respectively extend into the support holes 13, the end surface of the support shaft 10 is both provided with threaded holes 14, the threaded holes 14 are internally threaded with fastening screws 15, one end of the fastening screw located outside the mounting frame 5 is fixedly connected with a knob 16, the diameter of the knob 16 is larger than that of the support holes 13, the support sleeve 11 is located between the two side protection plates 8 and is in clearance arrangement with the two side protection plates 8.

Referring to fig. 1 and 2, after the protective film on the laminating roller 9 is used up, the supporting shaft 10 is unclamped by unscrewing the knobs 16 on both sides of the supporting shaft 10, and one end of the supporting shaft 10 is pulled out of the supporting hole 13 by moving the supporting shaft 10, and then the other end of the supporting shaft 10 is pulled out of the supporting hole 13, so that the laminating roller 9 can be replaced integrally.

Referring to fig. 3, in order to facilitate the overall movement of the maintenance device and reduce the labor intensity of workers, the walking device 1 further includes two transmission shafts 17 rotatably supported between the two side protection plates 8, two first bevel gears 18 fixedly connected to the transmission shafts 17 in a one-to-one correspondence manner, a driving shaft 19 rotatably supported by the mounting frame 5, two second bevel gears 20 respectively fixedly connected to the driving shaft 19 and meshed with the first bevel gears 18 in a one-to-one correspondence manner, and a driving motor 21 connected to the driving shaft 19, wherein the transmission shafts 17 and the driving shaft 19 are both horizontally arranged, the transmission shafts 17 are perpendicular to the driving shaft 19, and the driving motor 21 is fixedly mounted at the bottom of the rectangular cage frame 7 to drive the driving shaft 19.

Referring to fig. 3, the traveling wheel set 6 includes two driving wheels 22, a plurality of directional wheels 23, and a belt 24 sleeved outside the two driving wheels 22 and the plurality of directional wheels 23, and the plurality of directional wheels 23 are arranged in the horizontal direction and are located at the lower side of the driving wheels 22, so as to support the whole curing device, thereby increasing the contact area between the curing device and the concrete surface, reducing the pressure between the curing device and the concrete, and reducing the occurrence of the condition of pressing indentations on the concrete surface. Two ends of the transmission shaft 17 are respectively and correspondingly fixedly connected with the driving wheel 22 in each group of travelling wheel sets 6, and a plurality of shaft seats 25 are fixedly installed at the bottom of the rectangular cage type frame 7, so that a plurality of directional wheels 23 are rotatably supported on the shaft seats 25 in a one-to-one correspondence manner.

Referring to fig. 3, when the maintenance device needs to be moved as a whole, a worker starts the driving motor 21 to enable the driving motor 21 to drive the driving shaft 19 to rotate, when the driving shaft 19 rotates, the two first bevel gears 18 are respectively driven to rotate through the second bevel gear 20, so that the two transmission shafts 17 respectively drive the driving wheels 22 on the two sides to move, and the driving wheels 22 respectively drive the traveling wheel sets 6 on the two sides to rotate through the belt 24, so that the maintenance device is moved as a whole.

Referring to fig. 3 and 4, in order to facilitate the traverse of the whole maintenance device, a traverse device 26 is further provided on the mounting frame 5, and the traverse device 26 includes a crane 27 provided on the mounting frame 5, and a traverse wheel 28 rotatably supported on the crane 27, and a rotation axis of the traverse wheel 28 is perpendicular to a rotation axis of the orientation wheel 23.

Referring to fig. 4, the crane 27 includes a first support bar 29 and a second support bar 30 whose top ends are respectively hinged to the bottom ends of the rectangular cage frame 7, a connecting bar 31 respectively connected to the middle portions of the first support bar 29 and the second support bar 30, rotate the drive screw 32 of connecting in connecting rod 31 along vertical direction threaded connection in mounting bracket 5 and bottom, fixed connection is in drive screw 32's rotation handle 33, sideslip wheel 28 rotates the support respectively in first bracing piece 29 and second bracing piece 30 bottom, rectangular cage frame 7's bottom is equipped with flange nut 34, drive screw 32 threaded connection is in flange nut 34 and passes rectangular cage frame 7, rotating groove 35 has been seted up on connecting rod 31, drive screw 32 bottom rotates to be connected in rotating groove 35, waist type groove along its self length direction extension is all seted up at first bracing piece 29 and second bracing piece 30 middle part, connecting rod 31 both ends stretch into both sides waist type inslot respectively and rotate to connect in waist type groove.

Referring to fig. 4 and 5, an axial stopper 37 is provided between the bottom end of the drive screw 32 and the connecting rod 31. The axial stopper 37 includes a stopper ring groove 38 opened in the peripheral wall of the rotating groove 35, and a connection ring 39 rotatably connected to the stopper ring groove 38, so that the bottom end of the drive screw 32 is axially stopped from the connection rod 31 and can rotate in the circumferential direction.

Referring to fig. 3 and 4, when the maintenance device needs to be moved transversely, the handle 33 is rotated to rotate the driving screw 32, so that the driving screw 32 pushes the connecting rod 31 to move downwards through the axial limiting piece 37, the connecting rod 31 moves in the kidney-shaped grooves of the first supporting rod 29 and the second supporting rod 30, the bottom ends of the first supporting rod 29 and the second supporting rod 30 are driven to move downwards, the maintenance device is finally jacked up integrally, and the transverse moving wheel 28 is used for transverse moving, so that an operator can conveniently control the maintenance device to coat the non-coated area of the concrete.

Referring to fig. 6 and 7, the film pressing device 3 includes two elastic connectors 40 connected to the bottom surface of the rectangular cage frame 7, and a film pressing roller 41 horizontally disposed behind the laminating roller 9 along the traveling direction, the film pressing roller 41 includes a central shaft 55 and a film pressing sleeve 42 rotatably sleeved on the central shaft 55, two ends of the central shaft 55 are respectively connected to the two elastic connectors 40, and the film pressing sleeve 42 abuts against the ground.

Referring to fig. 6 and 7, the elastic connection member 40 includes a fixed rod 43 hinged to the mounting frame 5, a movable sleeve 44 slidably sleeved on the fixed rod 43, and an elastic member 45 connected between the fixed rod 43 and the movable sleeve 44, wherein the elastic member 45 is preferably a spring, and one end of the movable sleeve 44 away from the fixed rod 43 is hinged to the end of the central shaft 55. One end of the inner wall of the movable sleeve 44 close to the fixed rod 43 is fixedly connected with a first limiting ring 46, and one end of the fixed rod 43 in the movable sleeve 44 is fixedly connected with a second limiting ring 47, so that the space between the fixed rod 43 and the movable sleeve 44 is limited, and the situation that the fixed rod 43 is separated from the limiting ring is reduced.

Referring to fig. 6, press mold roller 41 is inside to be equipped with and to be the heating pipe 48 of heliciform extension around its axis, heating pipe 48 winds out and is connected to outside portable power source (not shown in the figure) from press mold roller 41 both ends, when the tectorial membrane roller 9 that is located press mold roller 41 anterior segment laminates the protecting film in the concrete surface, heat the protecting film through heating pipe 48, thereby adjacent two protective film of listing closely the laminating together after carrying out the overheating, reduce the gap between the protecting film, and after through the heating, make concrete surface temperature promote, thereby further promote the maintenance effect to the concrete.

Referring to fig. 1 and 3, the spraying device 4 includes a water storage tank 49 fixedly connected between the two side protection plates 8, a spraying pipe 50 located in front of the laminating roller 9 along the traveling direction and communicated with the water storage tank 49, a plurality of atomizing nozzles 51 arranged on the spraying pipe 50, a pump body 52 arranged between the spraying pipe 50 and the water storage tank 49, a water inlet pipe 53 communicated with the water storage tank 49, and a ball valve 54 arranged on the water inlet pipe 53, wherein the spraying pipe 50 is fixedly connected to the bottom of the rectangular cage frame 7 and horizontally arranged, and the plurality of atomizing nozzles 51 are uniformly distributed at the bottom of the spraying pipe 50 along the length direction of the spraying pipe 50.

The implementation principle of the highway engineering construction bridge surface concrete curing means of this application embodiment is: at running gear 1, tectorial membrane device 2, press mold device 3 and spray set 4's cooperation under, when covering the protecting film to the bridge floor, the staff is through rolling up the protection film in tectorial membrane roller 9 in advance, when carrying out the tectorial membrane, drive curing means through running gear 1 and wholly remove, make the protecting film on the tectorial membrane roller 9 hug closely on the bottom surface via press mold roller 41 lower extreme, and set up spray set 4 at the front end of tectorial membrane roller 9, make abundant concrete cover the protecting film after fully absorbing moisture, prevent the evaporation and the scattering and disappearing of moisture, thereby reduce staff's intensity of labour, promote staff's labor efficiency, and the efficiency of construction of engineering, and through press mold roller 41's setting, make the laminating between protecting film and the concrete surface inseparabler, reduce the clearance, thereby promote the effect maintenance to the concrete.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a highway engineering construction bridge face concrete curing means which characterized in that includes:

the walking device (1) comprises a mounting frame (5) and two groups of walking wheel sets (6) which are respectively and rotatably supported on two sides of the mounting frame (5);

the film covering device (2) is rotatably supported on the mounting rack (5) and is used for winding a film covering roller (9) of the protective film;

the film pressing device (3) comprises an elastic connecting piece (40) connected to the mounting frame (5) and a film pressing roller (41) arranged behind the laminating roller (9) along the walking direction along the horizontal direction, two ends of the film pressing roller (41) are respectively rotatably supported on the elastic connecting piece (40), and the film pressing roller (41) is abutted to the ground;

spray set (4), including fixed connection in water storage box (49) of mounting bracket (5), be located tectorial membrane roller (9) are along the place ahead of walking direction and communicate in spray pipe (50) of water storage box (49), locate a plurality of atomizer (51) of spray pipe (50), locate pump body (52) between spray pipe (50) and water storage box (49).

2. The highway engineering construction bridge surface concrete curing device of claim 1, which is characterized in that: the elastic connecting piece (40) comprises a fixed rod (43) hinged to the mounting frame (5), a movable sleeve (44) slidably sleeved on the fixed rod (43), and an elastic piece (45) connected between the fixed rod (43) and the movable sleeve (44), wherein one end, far away from the fixed rod (43), of the movable sleeve (44) is hinged to the end part of the film pressing roller (41).

3. The highway engineering construction bridge surface concrete curing device of claim 2, which is characterized in that: the inner wall of the movable sleeve (44) is close to one end of the fixed rod (43) and is fixedly connected with a first limiting ring (46), and the fixed rod (43) is located at one end of the movable sleeve (44) and is fixedly connected with a second limiting ring (47).

4. The highway engineering construction bridge surface concrete curing device of claim 1, which is characterized in that: the walking wheel set (6) comprises a driving wheel (22) and a plurality of directional wheels (23), and a belt (24) is sleeved outside each walking wheel set (6).

5. The highway engineering construction bridge deck concrete curing device of claim 4, wherein: the walking device (1) further comprises a plurality of transmission shafts (17) rotatably supported on the mounting rack (5), a plurality of first bevel gears (18) fixedly connected to the transmission shafts (17) in a one-to-one correspondence manner, a driving shaft (19) rotatably supported on the mounting rack (5), a plurality of second bevel gears (20) respectively fixedly connected to the driving shaft (19) and meshed with the first bevel gears (18) in a one-to-one correspondence manner, and a driving motor (21) connected to the driving shaft (19), wherein two ends of each transmission shaft (17) are respectively and correspondingly fixedly connected to a driving wheel (22) in each group of walking wheel sets (6).

6. The highway engineering construction bridge deck concrete curing device of claim 4, wherein: the mounting rack (5) is further provided with a transverse moving device (26), the transverse moving device (26) comprises a lifting frame (27) arranged on the mounting rack (5) and a transverse moving wheel (28) rotatably supported on the lifting frame (27), and the rotating axis of the transverse moving wheel (28) is perpendicular to the rotating axis of the orientation wheel (23).

7. The road engineering construction bridge surface concrete curing device of claim 6, characterized in that: the lifting frame (27) comprises a first supporting rod (29) and a second supporting rod (30) the top ends of which are respectively hinged with the mounting frame (5), a connecting rod (31) respectively connected with the middle part of the first supporting rod (29) and the middle part of the second supporting rod (30), a driving screw rod (32) which is in threaded connection with the mounting frame (5) along the vertical direction and the bottom end of which is rotationally connected with the connecting rod (31), and a rotating handle (33) which is fixedly connected with the driving screw rod (32), the middle parts of the first supporting rod (29) and the second supporting rod (30) are respectively provided with a waist-shaped groove (36) extending along the length direction of the first supporting rod and the second supporting rod, two ends of the connecting rod (31) respectively extend into the waist-shaped grooves (36) at two sides and are rotationally connected with the waist-shaped grooves (36), an axial limiting piece (37) is arranged between the bottom end of the driving screw rod (32) and the connecting rod (31).

8. The road engineering construction bridge surface concrete curing device of claim 7, characterized in that: the connecting rod (31) is provided with a rotating groove (35), the bottom end of the driving screw rod (32) is rotatably connected into the rotating groove (35), and the axial limiting part (37) comprises a limiting ring groove (38) which is arranged on the peripheral wall of the rotating groove (35) and a connecting ring (39) which is rotatably connected into the limiting ring groove (38).

9. The highway engineering construction bridge surface concrete curing device of claim 1, which is characterized in that: and a heating pipe (48) which extends spirally around the axis of the film pressing roller (41) is arranged in the film pressing roller.

10. The highway engineering construction bridge surface concrete curing device of claim 1, which is characterized in that: tectorial membrane roller (9) are including wearing to locate along the horizontal direction back shaft (10), the rotation cover of mounting bracket (5) are located back shaft (10) outside support sleeve (11), supporting hole (13) that run through along the horizontal direction are all seted up to mounting bracket (5) both sides, back shaft (10) both ends are stretched into respectively in supporting hole (13), back shaft (10) terminal surface all sets up threaded hole (14), threaded hole (14) female connection has fastening screw (15), fastening screw is located the outside one end fixedly connected with knob (16) of mounting bracket (5), knob (16) diameter is greater than supporting hole (13) diameter.

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