CN111673893A

CN111673893A - Highway engineering bridge construction bridge face concrete health preserving device

Info

Publication number: CN111673893A
Application number: CN202010555923.9A
Authority: CN
Inventors: 毛霞辉; 毛振杰; 何玉婷; 雷婷婷; 蒋华明; 毛武杰
Original assignee: Guangzhou Mingyong Construction Engineering Co ltd
Current assignee: Guangzhou Mingyong Construction Engineering Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2020-09-18

Abstract

The invention relates to a concrete curing device for a bridge deck in bridge construction of highway engineering, which belongs to the technical field of concrete curing and comprises the following components: the curing room is provided with the frame in the curing room, and even detachable horizontal installation has the polylith to put the board from top to bottom in the frame, puts evenly to be provided with a plurality of platforms of placing on the board top loading end, in the frame, and be located to place the activity of bench top position department and be provided with the temperature regulation and control subassembly, wherein, the temperature regulation and control subassembly includes: a temperature control sleeve movably arranged on the frame; the fixing plate is fixed at the top of the temperature regulating sleeve; and the driving part is arranged on the rack and connected with the fixing plate, and in addition, the humidity regulating part is arranged in the temperature regulating sleeve. The invention can better regulate and control the temperature and the humidity of the concrete sample when the concrete sample is maintained, thereby better maintaining the concrete sample and improving the maintenance quality of the concrete sample.

Description

Highway engineering bridge construction bridge face concrete health preserving device

Technical Field

The invention relates to the technical field of concrete maintenance, in particular to a concrete maintenance device for a bridge construction bridge deck of highway engineering.

Background

Concrete curing is the artificial creation of certain humidity and temperature conditions that allow the concrete to be normal or accelerate its hardening and strength growth. The concrete can be gradually hardened and strengthened as a result of the hydration of the cement, which requires certain temperature and humidity conditions, and if the surrounding environment does not have such conditions, the concrete is manually cured, steam curing is performed, and the concrete member is placed in a curing chamber filled with saturated steam or a mixture of steam and air, so that the hardening of the concrete is accelerated in a higher temperature and humidity environment. The curing effect is related to a steam curing system, and comprises the following steps: standing time before steam curing, heating and cooling speed, curing temperature, constant-temperature curing time, relative humidity and the like.

The production of different types of concrete often needs to carry out sample selection test on different types of concrete, the test effect on a concrete sample usually represents the quality of the concrete product of the type, and the bridge deck concrete for highway engineering and bridge construction also needs to be tested, so before mass production of the concrete, the concrete sample of the type needs to be subjected to maintenance test to obtain the concrete quality data of the type.

The traditional concrete curing device is simple in structure, water needs to be sprayed on the concrete, steam needs to be conveyed, the concrete sample cannot be comprehensively and uniformly covered when the water is sprayed and the steam is conveyed, meanwhile, temperature transmission on the concrete sample is not uniform enough, the concrete sample is easy to chap, a water vapor transmission part is uniform, water drops are easy to condense to permeate into the concrete sample, and the quality of concrete sample curing is influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a highway engineering bridge construction bridge deck concrete curing device which can better regulate and control the temperature and humidity of a concrete test piece when the concrete test piece is cured, so that the concrete test piece can be better cured, and the curing quality of the concrete test piece is effectively improved.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a highway engineering bridge construction bridge face concrete health preserving device, includes: a curing room for carrying out the maintenance to the concrete sample be provided with the frame in the curing room even detachable horizontal installation has the polylith to put the board from top to bottom in the frame, evenly be provided with a plurality of platforms of placing that are used for placing the concrete sample on putting board top loading end, in the frame, and be located place the activity of a top position department and be provided with the temperature regulation and control subassembly, wherein, the temperature regulation and control subassembly includes: the temperature regulating sleeve is movably arranged on the rack; the fixing plate is fixed at the top of the temperature regulating sleeve; and the driving component is arranged on the rack, connected with the fixed plate and used for driving the temperature regulation sleeve to move, and in addition, a humidity regulation component used for controlling the humidity of the surface of the concrete is arranged in the temperature regulation sleeve.

By adopting the arrangement, a curing space and curing conditions can be provided for the concrete test piece through the curing chamber, and the curing temperature of the concrete can be adjusted through the temperature adjusting and controlling assembly, so that the curing of the concrete can be adjusted and controlled, and the curing temperature of the concrete cannot be too high or too low; can adjust the maintenance humidity of concrete through humidity regulation and control part to make the maintenance of concrete can carry out the regulation and control of humidity, make the maintenance humidity of concrete can not be too high, can not cross lowly yet. Therefore, the concrete is maintained under the conditions of better temperature and humidity, and the maintenance quality of the concrete test piece is effectively improved.

The invention is further configured such that the temperature control jacket comprises: the ring sleeve is fixed at the bottom of the fixed plate and matched with the placing table; a cavity arranged in the ring sleeve; a steam pipeline arranged in the curing chamber; a cold air duct provided in the curing chamber; the steam transmission hose is communicated with the steam pipeline at one end and the cavity at the other end; and the cold air transmission hose is communicated with the cold air pipeline at one end and the cavity at the other end, wherein the humidity regulating and controlling component is arranged in the cavity.

By adopting the arrangement, the ring sleeve in the temperature control sleeve is covered and matched with the placing plate, so that the concrete test piece can be covered and sealed, and the concrete test piece can be maintained in a relatively sealed state; through the cooperation of cavity, steam conduit, air conditioning pipeline, and can adjust the temperature of ring sleeve to make the temperature of ring sleeve can keep a stable temperature, thereby can carry out temperature regulation and control to the concrete test piece betterly, cavity wherein also can make the ring sleeve be in heat retaining state, make the concrete test piece be in stable temperature state effectively.

The invention is further provided that the humidity control part comprises: a plurality of exhaust holes which are penetrated through the cavity and are arranged on the inner wall of the ring sleeve; the annular cylinder is sleeved in the cavity and is attached to the inner wall of one side provided with the exhaust hole; the communicating holes are formed in the ring cylinder, and the size and the number of the communicating holes are consistent with those of the exhaust holes; a plurality of top pressure springs which are arranged in the cavity, one end of each top pressure spring is fixed with the top of the ring cylinder, and the other end of each top pressure spring is fixed with the inner top wall of the cavity; and the top strips are fixed at the bottom of the ring sleeve and penetrate through the bottom of the ring sleeve.

By adopting the arrangement, the exhaust holes, the communication holes, the annular cylinder, the top pressure spring and the top strip which are arranged in the humidity regulating part are matched with one another, so that steam can be exhausted when the temperature is raised, the humidity state of the concrete sample can be effectively regulated and controlled by the exhaust of the steam, and the humidity curing condition of the concrete sample can be ensured; can be when cooling for air conditioning discharge, the discharge of air conditioning can air-dry scattering and disappearing in order to reach the humidity state of regulation and control concrete sample with higher speed steam, can guarantee the humidity curing condition of concrete sample equally.

The invention is further provided with a rubber sheet adhered to the bottom of the top strip, and a plurality of teeth are fixed on the side wall of the top.

Through adopting above-mentioned setting, the sheet rubber of top strip bottom can improve the stability of top strip for the ring section of thick bamboo can be opened, and makes intercommunicating pore and exhaust hole can be linked together, can be better airtight through tooth on the one hand, and on the other hand can improve the stability of top strip.

The invention is further provided with a ring groove matched with the edge of the bottom of the ring sleeve is arranged on the bearing surface at the top of the placing plate, a water guide hole is arranged on the bottom wall in the ring groove, a drain hole communicated with the water guide hole is arranged in the placing plate, and a water collecting tank is arranged on the rack and communicated with the drain hole for receiving water drained from the drain hole.

Through adopting above-mentioned setting, the annular matches with ring sleeve, can make ring sleeve and place the board and paste to can make the concrete sample in the ring sleeve can go up and down the temperature, carry out humidity control better, can carry out good maintenance to the concrete sample, provide good maintenance condition.

The invention is further provided that the drive member comprises: the mounting bar is fixed on the rack and positioned at the top of the placing table; the sliding groove is formed in one side, close to the placing table, of the mounting bar, and the extending direction of the sliding groove is consistent with the extending direction of the mounting bar; two sliding blocks connected in the sliding groove in a sliding manner; the fixed block is fixed at the bottom of the sliding block; the driving air cylinder is arranged on the mounting bar, and the output end of the driving air cylinder is assembled with the side wall of the fixing block; and one end of the connecting rod is rotatably connected with the fixed block, and the other end of the connecting rod is rotatably connected with the fixed plate.

Through adopting above-mentioned setting, through the actuating cylinder that drives among the driver part, the drive slider carries out the displacement along the spout to make the connecting rod can carry out the displacement, thereby promote the fixed plate and carry out the displacement, and this fixed plate is fixed mutually with ring sleeve, and then can control ring sleeve and carry out the ascending displacement of vertical side.

The invention is further provided with a mounting plate fixed at the bottom of the frame and at the two sides of the mounting bar, a buffer member is arranged between the mounting plate and the fixing plate, and the buffer member comprises: the sleeve is fixed at the bottom of the mounting plate; the core strip is fixed at the top of the fixing plate; and one end is fixed the mounting panel bottom, the other end are fixed plate top, surround and set up the buffer spring in the sleeve outside, the core strip with adopt the interlude to connect between the sleeve.

Through adopting above-mentioned setting, through the cooperation of the core strip in the bolster, sleeve and buffer spring, can possess the buffering effect when the fixed plate carries out the ascending displacement of vertical side, can protect a ring cover section of thick bamboo betterly to can make a ring cover section of thick bamboo can be sealed the platform of placing betterly.

The invention is further provided that the drive member comprises: the mounting bar is fixed on the rack and positioned at the top of the placing table; the sliding groove is formed in one side, close to the placing table, of the mounting bar, and the extending direction of the sliding groove is consistent with the extending direction of the mounting bar; two sliding blocks connected in the sliding groove in a sliding manner; the fixed block is fixed at the bottom of the sliding block; the two-way threaded rod is arranged in the sliding chute, and the rod body is respectively in rotary connection with the sliding block; the driving motor is arranged on the mounting bar, and the output end of the driving motor is assembled with the two-way threaded rod; and one end of the connecting rod is rotatably connected with the fixed block, and the other end of the connecting rod is rotatably connected with the fixed plate, wherein two threaded parts with opposite rotation directions are arranged on the two-way threaded rod body, one of the threaded parts of the two-way threaded rod body is in threaded connection with one of the sliding blocks, and the other threaded part is in threaded connection with the other sliding block.

Through adopting above-mentioned setting, through the driving motor among the driver part, the drive slider carries out the displacement on the two-way threaded rod to make the slider carry out the displacement in the spout, and then make the connecting rod can carry out the displacement, thereby promote the fixed plate and carry out the displacement, and this fixed plate is fixed mutually with ring sleeve, and then can control ring sleeve and carry out the ascending displacement of vertical side.

The invention is further provided with the placing table, the size of the placing table is gradually reduced from the bottom to the top, and the side wall of the placing table is obliquely arranged.

Through adopting above-mentioned setting, the size of placing the platform is for by the bottom to the top setting that diminishes gradually, and the lateral wall slope of placing the platform is seted up, can make the liquid of placing on the platform flow down along the lateral wall of placing the platform to can make liquid reduce to pile up on concrete sample, improve concrete sample's maintenance quality.

The invention is further provided with a plurality of separating strips fixed on the bearing surface at the top of the placing table, and the top surface of the placing table is obliquely and downwards arranged from the middle part to the two ends of the table body.

Through adopting above-mentioned setting, can improve the exchange area of concrete sample and air current through the parting strip to can effectively reduce piling up on the concrete sample of liquid, can also improve the drying efficiency of concrete sample, effectively improve the maintenance quality of concrete sample.

In conclusion, the invention has the following beneficial effects:

according to the invention, a curing space and curing conditions can be provided for the concrete test piece through the curing chamber, and the curing temperature of the concrete can be adjusted through the temperature adjusting and controlling assembly, so that the curing of the concrete can be adjusted and controlled, and the curing temperature of the concrete can not be too high or too low; can adjust the maintenance humidity of concrete through humidity regulation and control part to make the maintenance of concrete can carry out the regulation and control of humidity, make the maintenance humidity of concrete can not be too high, can not cross lowly yet. Therefore, the concrete is maintained under the conditions of better temperature and humidity, and the maintenance quality of the concrete test piece is effectively improved.

Drawings

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

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a schematic view of a temperature control jacket according to example 1 of the present invention;

FIG. 4 is a schematic view of a temperature control jacket in example 1 of the present invention;

fig. 5 is a schematic structural view of a driving part in embodiment 2 of the present invention.

Reference numerals: 1. a curing room; 2. a frame; 21. placing a plate; 22. a placing table; 231. a ring sleeve; 232. a cavity; 233. a steam line; 234. a cold air duct; 235. a vapor transfer hose; 236. a cold air transfer hose; 24. a fixing plate; 251. an exhaust hole; 252. a ring cylinder; 253. a communicating hole; 254. pressing the spring; 255. carrying out top strip; 256. a rubber sheet; 257. teeth; 26. a ring groove; 261. a water guide hole; 262. a drain hole; 271. mounting a bar; 272. a chute; 273. a slider; 274. a fixed block; 275. a driving cylinder; 276. a connecting rod; 277. a two-way threaded rod; 278. a drive motor; 281. mounting a plate; 282. a sleeve; 283. a core bar; 284. a buffer spring; 29. a dividing strip.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

the utility model provides a highway engineering bridge construction bridge face concrete health preserving device, as shown in figure 1, including curing chamber 1, this curing chamber 1 is used for carrying out the maintenance to the concrete test piece, effectively provides the maintenance space to the concrete test piece, matches the maintenance condition that is fit for.

As shown in fig. 1 and 2, a frame 2 is provided in the curing chamber 1, and the bottom of the frame 2 is fixed to the ground in the curing chamber 1 by bolts, so that the frame 2 can be firmly fixed in the curing chamber 1. The frame 2 is horizontally provided with a plurality of frames with placing function at the middle part, and a plurality of placing plates 21 are detachably arranged on the frames in a placing mode.

In the present embodiment, as shown in fig. 1 and 3, a plurality of placing tables 22 are uniformly provided on the top carrying surface of the placing plate 21, and the size of the placing tables 22 is gradually reduced from the bottom to the top so that the side walls of the placing tables 22 are obliquely opened.

Meanwhile, as shown in fig. 1 and 3, a plurality of separation strips 29 are fixed on the top bearing surface of the placing table 22, and the top surface of the placing table 22 is arranged from the middle part to the two ends of the table body in an inclined and downward manner.

As shown in fig. 3 and 4, a temperature control assembly is disposed on the frame 2 and located at a top position of the placing table 22, wherein the temperature control assembly includes a ring sleeve 231 and a fixing plate 24, the ring sleeve 231 is movably inserted into the placing table 22, a top of the ring sleeve 231 is fixed to the fixing plate 24, and an annular cavity 232 is formed in the ring sleeve 231.

A steam pipeline 233 capable of supplying steam is arranged in the curing chamber 1, a cold air pipeline 234 capable of supplying cold air is arranged in the curing chamber 1, the steam pipeline 233 is divided by a dividing pipe and a valve, and the dividing opening is communicated with the cavity 232 through a steam transmission hose 235, so that the annular sleeve 231 can be connected with the steam pipeline 233 through the steam transmission hose 235; in the same way, the cold air duct 234 is divided by the dividing pipe and the valve, and is connected to the cavity 232 at the dividing port by the cold air transferring hose 236, so that the annular sleeve 231 can be connected to the cold air duct 234 by the cold air transferring hose 236, wherein the steam transferring hose 235 and the cold air transferring hose 236 are soft hoses, have sufficient length, and can be deformed well.

Meanwhile, as shown in fig. 3 and 4, in the present embodiment, a plurality of exhaust holes 251 are formed in a side of the cavity 232 close to the placing table 22, the exhaust holes 251 penetrate through the cavity 232, a ring cylinder 252 is attached to an inner wall of the cavity 232 on the side where the exhaust holes 251 are formed, and a plurality of communication holes 253 having the same size and number as the exhaust holes 251 are also penetrated through a side wall of the ring cylinder 252.

As shown in fig. 3 and 4, a plurality of pressing springs 254 are disposed in the cavity 232, one end of each pressing spring 254 is fixed to the top of the ring cylinder 252, and the other end of each pressing spring 254 is fixed to the inner top wall of the cavity 232, so that the ring cylinder 252 is pushed downward by the pressing springs 254 when not in use.

As shown in fig. 3 and 4, a plurality of top strips 255 penetrating the bottom of the ring sleeve 231 are fixed to the bottom of the ring sleeve 252, a rubber sheet 256 is attached to the bottom of the top strips 255, a plurality of teeth 257 are fixed to the top side wall, and the arrangement of the teeth 257 can increase the contact area between the top strips 255 and the ring sleeve 252, so that the top strips 255 can be relatively stably displaced in the vertical direction from the ring sleeve 231.

In addition, in the embodiment, as shown in fig. 3 and 4, the top bearing surface of the placing plate 21 is provided with a ring groove 26, the size of the ring groove 26 matches with the bottom edge of the ring sleeve 231, a plurality of water guiding holes 261 are formed at the inner bottom wall position of the ring groove 26, a water discharging hole 262 communicated with the water guiding holes 261 and penetrating through the side wall of the placing plate 21 is formed inside the placing plate 21, and in match, a water collecting tank (not shown in the figure) is provided on the rack 2, the water collecting tank is connected with the water discharging hole 262, and the water collecting tank can receive water discharged from the water discharging hole 262 by communicating with the water discharging hole 262.

In addition, a driving unit is provided on the frame 2, and as shown in fig. 2 and 3, the driving unit is connected to the fixed plate 24, and a driving member capable of driving the ring sleeve 231 to be vertically displaced is provided by the driving unit.

In this embodiment, the driving member includes a mounting bar 271, the mounting bar 271 is fixed on the frame 2, and the mounting bar 271 is located at the top of the placing table 22, and a sliding groove 272 is formed at one side of the mounting bar 271 close to the placing table 22, the extending direction of the sliding groove 272 is consistent with the extending direction of the mounting bar 271, in this embodiment, the sliding groove 272 is an arc-shaped groove with two sides sinking towards the groove body, and the sliding block 273 is an arc-shaped block with two sides protruding towards the block body and matched with the arc-shaped groove.

Meanwhile, a fixed block 274 is fixed at the bottom position of the sliding block 273, a driving cylinder 275 is provided at one side of the mounting bar 271 near the placing table 22, the output end of the driving cylinder 275 is assembled with the side wall of the fixed block 274, and a connecting rod 276 is rotatably connected to the fixed block 274, and the other end of the connecting rod 276 is rotatably connected to the top of the fixed plate 24.

As shown in fig. 3 and 4, a mounting plate 281 is fixed on the frame 2 at two sides of the mounting bar 271, a buffer member is disposed between the mounting plate 281 and the fixing plate 24, wherein the buffer member includes a sleeve 282, the sleeve 282 is fixed at the bottom of the mounting plate 281, a core bar 283 is fixed at the top of the fixing plate 24, a buffer spring 284 is fixed at the bottom of the mounting plate 281, the other end of the buffer spring 284 is fixed at the top of the fixing plate 24, the buffer spring 284 is disposed at an outer side position of the sleeve 282 in a surrounding manner, and the core bar 283 and the sleeve 282 are connected by penetration.

Example 2:

the difference from embodiment 1 is that the present embodiment is different from the driving component, as shown in fig. 5, in the present embodiment, the driving component includes a mounting bar 271, the mounting bar 271 is fixed on the frame 2, and the mounting bar 271 is located at the top position of the placing table 22, and a sliding groove 272 is formed at one side of the mounting bar 271 close to the placing table 22, the extending direction of the sliding groove 272 is consistent with the extending direction of the mounting bar 271, in the present embodiment, the sliding groove 272 is an arc-shaped groove with two sides sinking towards the inside of the groove body, and the sliding block 273 is an arc-shaped block with two sides protruding towards the outside of the block body and matching with the arc-shaped groove.

Meanwhile, a two-way threaded rod 277 is arranged in the sliding groove 272, two threaded parts with opposite rotation directions are arranged on a rod body of the two-way threaded rod 277, one threaded part of the rod body of the two-way threaded rod 277 is in threaded connection with one sliding block 273, the other threaded part of the rod body of the two-way threaded rod 277 is in threaded connection with the other sliding block 273, a driving motor 278 with an output end assembled with the two-way threaded rod 277 is arranged on the mounting bar 271, a fixed block 274 is fixed at the bottom of the sliding block 273, a connecting rod 276 is rotatably connected to the fixed block 274, and the other end of the connecting rod 276 is rotatably connected with the top of the fixed plate 24.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a highway engineering bridge construction bridge face concrete health preserving device, includes: a curing room (1) for carrying out the maintenance to the concrete sample be provided with frame (2) in curing room (1), its characterized in that from top to bottom even detachable horizontal installation has the polylith to put board (21) in frame (2), it evenly is provided with a plurality of platforms (22) of placing that are used for placing the concrete sample on board (21) top loading end to put, on frame (2), and be located place platform (22) top position department activity and be provided with the temperature regulation and control subassembly, wherein, the temperature regulation and control subassembly includes: the temperature regulating sleeve is movably arranged on the rack (2); a fixing plate (24) fixed at the top of the temperature regulating sleeve; and the driving component is arranged on the rack (2), connected with the fixing plate (24) and used for driving the temperature regulation sleeve to move, and in addition, a humidity regulation component used for controlling the humidity of the surface of the concrete is arranged in the temperature regulation sleeve.

2. The road engineering bridge construction bridge deck concrete curing device of claim 1, wherein the temperature control sleeve comprises: a ring sleeve (231) fixed at the bottom of the fixing plate (24) and matched with the placing table (22); a cavity (232) opened in the ring sleeve (231); a steam pipe (233) arranged in the curing chamber (1); a cold air duct (234) provided in the curing chamber (1); a steam transmission hose (235) with one end communicated with the steam pipeline (233) and the other end communicated with the cavity (232); and a cool air transfer hose (236) having one end communicating with the cool air duct (234) and the other end communicating with the cavity (232), wherein the humidity adjusting part is provided in the cavity (232).

3. The road engineering bridge construction bridge deck concrete curing device of claim 2, wherein the humidity control component comprises: a plurality of exhaust holes (251) which penetrate through the cavity (232) and are arranged on the inner wall of the ring sleeve (231); the annular cylinder (252) is sleeved in the cavity (232) and is attached to the inner wall of one side provided with the exhaust hole (251); communicating holes (253) which are arranged in the ring cylinder (252) and have the same size and number with the exhaust holes (251); a plurality of top pressure springs (254) arranged in the cavity (232), one end of each top pressure spring is fixed with the top of the ring cylinder (252), and the other end of each top pressure spring is fixed with the inner top wall of the cavity (232); and a plurality of top strips (255) fixed at the bottom of the ring sleeve (252) and penetrating through the bottom of the ring sleeve (231).

4. The concrete curing device for the bridge deck in the road engineering construction is characterized in that a rubber sheet (256) is attached to the bottom of the top strip (255), and a plurality of teeth (257) are fixed to the side wall of the top.

5. The road engineering bridge construction bridge deck concrete curing device as claimed in claim 2, wherein a ring groove (26) matched with the bottom edge of the ring sleeve (231) is formed in the bearing surface of the top of the placing plate (21), a water guide hole (261) is formed in the bottom wall of the ring groove (26), a drain hole (262) communicated with the water guide hole (261) is formed in the placing plate (21), a water collecting tank is arranged on the rack (2), and the water collecting tank is communicated with the drain hole (262) and used for receiving water drained from the drain hole (262).

6. The road engineering bridge construction bridge deck concrete curing device of claim 1, wherein the driving part comprises: a mounting bar (271) fixed on the frame (2) and positioned at the top of the placing table (22); a sliding groove (272) which is arranged on one side of the mounting bar (271) close to the placing table (22) and has the extending direction consistent with the extending direction of the mounting bar (271); two sliding blocks (273) connected in the sliding groove (272) in a sliding way; a fixed block (274) fixed at the bottom of the sliding block (273); the driving air cylinder (275) is arranged on the mounting bar (271), and the output end of the driving air cylinder is assembled with the side wall of the fixed block (274); and a connecting rod (276) with one end rotatably connected with the fixed block (274) and the other end rotatably connected with the fixed plate (24).

7. The road engineering bridge construction bridge deck concrete health preserving device of claim 6, characterized in that, the frame (2) bottom, be located mounting bar (271) both sides position fixed with mounting panel (281), be provided with the bolster between mounting panel (281) and fixed plate (24), the bolster includes: a sleeve (282) fixed to the bottom of the mounting plate (281); a core bar (283) fixed on the top of the fixing plate (24); and one end of the buffer spring (284) is fixed at the bottom of the mounting plate (281), the other end of the buffer spring is fixed at the top of the fixing plate (24), and the buffer spring surrounds the sleeve (282), and the core bar (283) and the sleeve (282) are connected in an inserting manner.

8. The road engineering bridge construction bridge deck concrete curing device of claim 1, wherein the driving part comprises: a mounting bar (271) fixed on the frame (2) and positioned at the top of the placing table (22); a sliding groove (272) which is arranged on one side of the mounting bar (271) close to the placing table (22) and has the extending direction consistent with the extending direction of the mounting bar (271); two sliding blocks (273) connected in the sliding groove (272) in a sliding way; a fixed block (274) fixed at the bottom of the sliding block (273); a two-way threaded rod (277) which is arranged in the sliding groove (272) and the rod body of which is respectively connected with the sliding block (273) in a rotating way; the driving motor (278) is arranged on the mounting bar (271), and the output end of the driving motor is assembled with the two-way threaded rod (277); and one end of the connecting rod (276) is rotationally connected with the fixed block (274), and the other end of the connecting rod is rotationally connected with the fixed plate (24), wherein two threaded parts with opposite rotation directions are formed on the rod body of the two-way threaded rod (277), one threaded part of the rod body of the two-way threaded rod (277) is in threaded connection with one sliding block (273), and the other threaded part of the rod body of the two-way threaded rod is in threaded connection with the other sliding block (273).

9. The road engineering bridge construction bridge deck concrete curing device as claimed in claim 1, wherein the size of the placing table (22) is gradually reduced from bottom to top, and the side wall of the placing table (22) is obliquely arranged.

10. The highway engineering bridge construction bridge deck concrete curing device as recited in claim 1, wherein a plurality of separation strips (29) are fixed on a top bearing surface of the placing platform (22), and the top surface of the placing platform (22) is obliquely and downwards arranged from the middle to two ends of the platform body.