House building construction concrete drying device

Abstract

The house building construction concrete drying device comprises a guide rail, a sliding base, a supporting shell, a top frame, a storage groove and a plurality of binding bands, the supporting shell is fixedly connected to the top end of the sliding base, the sliding base is movably connected to the guide rail, the top frame is fixedly connected to the outer wall of the top end of the supporting shell, the storage groove is formed in the top frame in a penetrating mode, and the binding bands are arranged in the storage groove. The multiple bandages are fixedly connected to the inner wall of the bottom end of the storage groove, and the drying mechanism is arranged in the supporting shell and at the top end of the supporting shell and used for conveying hot air to dry concrete on the wall and can convey hot air to the inclined lower portion through bending; the first extension mechanism is connected to the top end of the drying mechanism, the joint is detachable, and the first extension mechanism is used for increasing the hot air conveying height of the drying mechanism; and the second extension mechanism is connected to the top end of the first extension mechanism. The house building construction concrete drying device has the effects that the adaptability can be optimized through a deformation structure, and the house building construction concrete drying device can adapt to the concrete drying requirements in different environments.

Description

Technical Field

[0001] The present invention relates to the technical field of construction engineering, in particular to a concrete drying device for building construction. Background Art

[0002] Concrete is a common material in housing construction. Concrete is a composite material formed by bonding fine and coarse aggregates with cement (cement paste), which hardens over time. Concrete can be used to cast walls, floors, or create platforms. When construction deadlines are tight, controlling the concrete's hardening time is crucial, and devices with air blowing mechanisms are often used to accelerate the drying and hardening of the concrete.

[0003] However, the coverage height of general auxiliary drying devices is fixed, which makes them unable to adapt to the drying needs of walls of different heights. If it is too high, wind power will be wasted, and if it is too low, the airflow will not be able to fully cover the wall. Summary of the Invention

[0004] The present invention discloses a concrete drying device for building construction, aiming to solve the technical problem that the coverage height of general auxiliary drying devices is fixed, resulting in the inability to adapt to the drying needs of walls of different heights. If the coverage height is too high, wind power will be wasted, and if the coverage height is too low, the airflow will not be able to completely cover the wall.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A concrete drying device for building construction, comprising a guide rail, a slide, a support shell, a top frame, a storage slot, and a plurality of straps, wherein the support shell is fixedly connected to the top of the slide, the slide is movably connected to the guide rail, the top frame is fixedly connected to the top outer wall of the support shell, the storage slot is provided through the top frame, and the plurality of straps are fixedly connected to the bottom inner wall of the storage slot, and further comprising: The drying mechanism is arranged in the supporting shell and at the top of the supporting shell, and is used to deliver hot air to dry the concrete on the wall, and can deliver the hot air obliquely downward by bending; Extension mechanism 1, connected to the top of the drying mechanism, the connection is detachable, and is used to extend the hot air delivery height of the drying mechanism; Extension mechanism 2 is connected to the top of extension mechanism 1, and the connection is detachable, used to extend the hot air delivery height of extension mechanism 1, and can deliver hot air obliquely upward by bending; The drying mechanism comprises: The air energy heat pump is fixedly connected to the inner wall of the supporting shell, and the output end of the air energy heat pump is fixedly connected to a ventilation elbow, which passes through the top of the supporting shell and is fixedly connected to the supporting shell, with the protruding part in a vertical state; Ventilation hose 1, fixedly connected to the inner wall of the top end of the ventilation elbow; The ventilation pipe 1 is fixedly connected to the inner wall of the top end of the ventilation hose 1, and a plurality of air outlet holes 1 are provided through the inner wall of one side of the ventilation pipe 1. The ventilation pipe 1 transports the air blown out by the air energy heat pump and blows it out through the plurality of air outlet holes 1. A three-way valve is installed in the middle section of the ventilation elbow, and one output end of the three-way valve is fixedly connected to the ventilation pipe 2; A through groove is provided through the inner wall of the top frame, and the second ventilation pipe is installed in the through groove; A sealing plate is fixedly connected to the inner wall of one side of the through groove, and a plurality of air holes are provided through the sealing plate; The drying mechanism further comprises: Two side limit strips are fixedly connected to one side outer wall of the ventilation pipe and symmetrically distributed on both sides of the plurality of air outlet holes; Two hinged seats 2 are symmetrically fixedly connected to the circumferential outer wall of the ventilation pipe 1 and symmetrically distributed on both sides of the plurality of air outlet holes 1; A hinged seat four is fixedly connected to an outer wall of one side of the top frame and is hingedly connected to the two hinged seats one; The drying mechanism further comprises: The hinge seat 2 is fixedly connected to the outer wall of one side of the ventilation pipe 1, and the two hinge seats 1 are symmetrically arranged on both sides of the hinge seat 2, and the position of the hinge seat 2 is higher than that of the hinge seat 1; The gas rod has an output end hinged to the hinge seat 2 through a hinge frame, and the other end is connected to the outer wall of one side of the top frame through a hinge seat 3. The gas rod is used to push the ventilation pipe 1 to tilt obliquely downward; The drying mechanism further comprises: An internal thread is provided on the inner wall of the top end of the ventilation pipe; Sealing plug 1, movably inserted into the inner wall of the top end of ventilation pipe 1; The limiting bracket is fixedly connected to the top outer wall of the hinge seat four, and one side thereof is movably fitted to the circumferential outer wall of the ventilation pipe one.

[0006] By providing a drying mechanism, an extension mechanism 1 and an extension mechanism 2, wherein the extension mechanism 1 and the extension mechanism 2 can extend the hot air conveying height of the drying mechanism, and based on the deformable structure of the drying mechanism and the extension mechanism 2, it can adapt to the concrete drying needs in different environments such as low walls, high walls, platforms, floors, corners, etc., and optimize the adaptability of the device through the deformable structure. In addition, based on the function of alternating hot and cold air of the air thermal energy pump, hot air and cold air can be dried separately, which can be adapted to drying in summer and winter. Through the setting of the three-way valve, part of the air flow can be separated to pass through the ventilation pipe 2 and discharged from the air vents of the sealing plate, so that the workers' standing position can be cooled or heated, thereby optimizing the working environment.

[0007] In a preferred embodiment, the first extension mechanism comprises: An extension pipe is connected to the inner wall of the top end of the ventilation pipe 1, and a second external thread is provided around the outer wall of the bottom end of the extension pipe, and the second external thread is engaged with the internal thread; A support ring movably arranged around the circumferential outer wall of the ventilation pipe; Two vertical rods are fixedly connected to the outer wall of one side of the support ring, and the outer walls of the two vertical rods are movably fitted to the inner walls of the two side limit strips respectively, and the middle sections of the two vertical rods are fixedly connected to the cover plate; A sealing gasket is fixedly attached to an inner wall of one side of the cover plate and covers a portion of the outside of the first air outlet; The first extension mechanism further includes: The air diffuser cover 1 and the air diffuser cover 2 are fixedly connected to the two vertical rods and cover the outside of the other multiple air outlet holes 1; A limiting ring fixedly connected to the circumferential outer wall of the extension tube; The magnetic ring is fixedly embedded in the inner wall of the extension tube, and two half-ring iron frames are magnetically adsorbed on the outside of the magnetic ring. The support ring is located between the half-ring iron frames and the limiting ring. The half-ring iron frames and the limiting ring are used to provide longitudinal limitation for the support ring; The first extension mechanism further includes: A plurality of air outlet holes 2 are provided through the inner wall of one side of the extension tube; External thread 1, arranged around the outer wall of the top circumference of the extension tube; Sealing plug 2, movably inserted into the inner wall of the top end of the extension tube; The two hanging brackets are fixedly connected to the outer wall of one side of the extension tube at the same time, and the two hanging brackets are arranged at different heights.

[0008] By providing an extension mechanism 1, the extension pipe and the ventilation pipe 1 are connected, and at the same time the covering plate can ensure that the sealing gasket covers the outside of the multiple air outlet holes 1 located in the middle, and at the same time the air expansion cover 1 and the air expansion cover 2 cover the outside of the other air outlet holes 1. Under this structure, based on the natural rise of hot air and the blocking of multiple air outlet holes 1, the central airflow is maintained stable, and the extension section is continuously energized to ensure that the hot air is smoothly discharged through the multiple air outlet holes 2.

[0009] In a preferred embodiment, the second extension mechanism includes: A screw sleeve is engaged with the external thread; The second ventilation hose is fixedly connected to the inner wall of the top end of the screw sleeve; A single-side closed tube fixedly connected to the inner wall of the top end of the second ventilation hose; A plurality of air outlet holes 3 are provided through the inner wall of one side of the single-sided closed tube; The second extension mechanism further includes: The hinge seat 5 is fixedly connected to the outer wall of one side of the single-side closed tube; A support rod, one end of which is hinged to the hinge seat in five phases; The hook is hinged to the other end of the support rod and is clamped on a single hanger to support the single-side closed tube.

[0010] By providing an extension mechanism 2 and a ventilation hose 2, the single-sided closed tube can be tilted upward, wherein the support rod can provide side support for the single-sided closed tube, and by being connected to the hanger at different positions through the hook, the single-sided closed tube can be supported in different structures. Under this structure, the extension mechanism 2 has a deformation function and can adapt to use in different environments.

[0011] As can be seen from the above, a concrete drying device for building construction includes a guide rail, a slide, a support shell, a top frame, a storage slot and a plurality of straps, wherein the support shell is fixedly connected to the top of the slide, the slide is movably connected to the guide rail, the top frame is fixedly connected to the top outer wall of the support shell, the storage slot is arranged through the top frame, and the plurality of straps are fixedly connected to the bottom inner wall of the storage slot, and further includes: a drying mechanism, which is arranged in the support shell and the top of the support shell, and is used to transport hot air to dry the concrete on the wall, and can transport the hot air diagonally downward by bending; an extension mechanism 1, which is connected to the top of the drying mechanism, and the connection is detachable, and is used to extend the hot air transport height of the drying mechanism; an extension mechanism 2, which is connected to the top of the extension mechanism 1, and the connection is detachable, and is used to extend the hot air transport height of the extension mechanism 1, and can transport the hot air diagonally upward by bending. The concrete drying device for building construction provided by the present invention has the technical effect of being able to optimize adaptability through a deformable structure and adapt to the concrete drying needs in different environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of a concrete drying device for building construction proposed by the present invention.

[0013] Figure 2 This is a schematic diagram of the disassembled bottom structure of a concrete drying device for building construction proposed by the present invention.

[0014] Figure 3 This is a schematic diagram of the internal structure of a top frame of a concrete drying device for building construction proposed by the present invention.

[0015] Figure 4 This is a schematic diagram of the middle section split structure of a concrete drying device for building construction proposed by the present invention.

[0016] Figure 5 This is a schematic diagram of the upper section split structure of a concrete drying device for building construction proposed by the present invention.

[0017] Figure 6 This is a schematic diagram of the top section split structure of a concrete drying device for building construction proposed by the present invention.

[0018] In the figure: 1. guide rail; 2. slide seat; 3. support shell; 4. top frame; 5. drying mechanism; 6. extension mechanism 1; 7. extension mechanism 2; 8. storage slot; 9. strap; 501. air-energy heat pump; 502. ventilation elbow; 503. ventilation hose 1; 504. hinged seat 1; 505. side limit strip; 506. air outlet 1; 507. internal thread; 508. hinged seat 2; 509. hinged frame; 510. gas rod; 511. hinged seat 3; 512. limit bracket; 513. hinged seat 4; 514. sealing plug 1; 515. ventilation pipe 1; 516. sealing plate; 517. air vent ;518, through groove;519, ventilation pipe two;520, three-way valve;601, support ring;602, vertical rod;603, air diffuser hood one;604, cover plate;605, air diffuser hood two;606, sealing gasket;607, sealing plug two;608, external thread one;609, air outlet two;610, half-ring iron frame;611, magnetic ring;612, external thread two;613, limiting ring;614, hanging bracket;615, extension pipe;701, screw sleeve;702, ventilation hose two;703, air outlet three;704, single-sided closed pipe;705, hinged seat five;706, support rod;707, hook. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] The present invention discloses a concrete drying device for building construction, which is mainly used in the scene of concrete drying.

[0021] Reference Figure 1 and Figure 2 A concrete drying device for building construction includes a guide rail 1, a slide 2, a support shell 3, a top frame 4, a storage groove 8 and a plurality of straps 9. The support shell 3 is fixedly connected to the top of the slide 2, the slide 2 is movably connected to the guide rail 1, the top frame 4 is fixedly connected to the top outer wall of the support shell 3, the storage groove 8 is provided through the top frame 4, and the plurality of straps 9 are fixedly connected to the bottom inner wall of the storage groove 8. The device also includes: The drying mechanism 5 is provided in the support shell 3 and at the top of the support shell 3, and is used to deliver hot air to dry the concrete on the wall, and can deliver the hot air obliquely downward by bending; An extension mechanism 6 is connected to the top of the drying mechanism 5, and the connection is detachable, and is used to extend the hot air delivery height of the drying mechanism 5; Extension mechanism 2 7 is connected to the top of extension mechanism 1 6, and the connection is detachable, which is used to extend the hot air conveying height of extension mechanism 1 6, and can convey hot air diagonally upward by bending. Among them, extension mechanism 1 6 and extension mechanism 2 7 can extend the hot air conveying height of drying mechanism 5, and based on the fact that drying mechanism 5 can convey hot air diagonally downward by bending, extension mechanism 2 7 can convey hot air diagonally upward by bending, thereby adapting to the concrete drying needs in different environments such as low walls, high walls, platforms, floors, and corners. The adaptability of the device is optimized through the deformation structure, wherein the storage slot 8 can be used to place all accessories, and the setting of the strap 9 can make the accessories in the storage slot 8 more stable.

[0022] Reference Figure 2 and Figure 3 In a preferred embodiment, the drying mechanism 5 includes: The air-energy heat pump 501 is fixedly connected to the inner wall of the supporting shell 3, and the output end of the air-energy heat pump 501 is fixedly connected to the ventilation elbow 502. The ventilation elbow 502 passes through the top of the supporting shell 3 and is fixedly connected to the supporting shell 3, with the protruding part in a vertical state; A ventilation hose 503 is fixedly connected to the inner wall of the top end of the ventilation elbow 502; A ventilation pipe 515 is fixedly connected to the inner wall of the top end of the ventilation hose 503, and a plurality of air outlet holes 506 are provided through the inner wall of one side of the ventilation pipe 515. The ventilation pipe 515 transports the air blown out by the air-to-energy heat pump 501 and blows it out through the plurality of air outlet holes 506. A three-way valve 520 is installed in the middle section of the ventilation elbow 502, and one output end of the three-way valve 520 is fixedly connected to the second ventilation pipe 519; A through groove 518 is provided through the inner wall of the top frame 4, and a second ventilation pipe 519 is installed in the through groove 518; The sealing plate 516 is fixedly connected to the inner wall of one side of the through groove 518, and a plurality of air holes 517 are provided on the sealing plate 516; in addition, based on the function of alternating hot and cold air of the air heat pump 501, hot air and cold air can be dried separately, which can be adapted to the drying use in summer and winter, avoiding excessive evaporation rate of surface moisture due to high temperature in summer, and also avoiding freezing of concrete due to low temperature in winter, while optimizing the drying efficiency. In addition, through the setting of the three-way valve 520, part of the air flow can be separated to pass through the ventilation pipe 2 519 and discharged from the air hole 517 of the sealing plate 516, so that the workers' position can be cooled or heated, thereby optimizing the working environment.

[0023] Reference Figure 2 In a preferred embodiment, the drying mechanism 5 further comprises: Two side limiting strips 505 are fixedly connected to one side outer wall of the ventilation pipe 1 515 and symmetrically distributed on both sides of the plurality of air outlet holes 1 506; Two hinged seats 504 are symmetrically fixedly connected to the outer circumference of the ventilation pipe 515 and symmetrically distributed on both sides of the plurality of air outlet holes 506; The hinge seat 4 513 is fixedly connected to the outer wall of one side of the top frame 4 and is hinged to the two hinge seats 1 504.

[0024] Reference Figure 2 In a preferred embodiment, the drying mechanism 5 further comprises: The second hinge seat 508 is fixedly connected to the outer wall of one side of the ventilation pipe 515, and the two first hinge seats 504 are symmetrically arranged on both sides of the second hinge seat 508, and the position of the second hinge seat 508 is higher than that of the first hinge seat 504; The gas rod 510 has an output end hinged to the hinge seat 2 508 through the hinge frame 509, and the other end is connected to the outer wall of one side of the top frame 4 through the hinge seat 3 511. The gas rod 510 is used to push the ventilation pipe 1 515 to tilt obliquely downward.

[0025] Reference Figure 2 and Figure 4 In a preferred embodiment, the drying mechanism 5 further comprises: Internal thread 507, provided on the top inner wall of ventilation pipe 1 515; A sealing plug 514 is movably inserted into the inner wall of the top end of a ventilation pipe 515; The limiting bracket 512 is fixedly connected to the top outer wall of the hinged seat four 513, and one side thereof is movably fitted to the circumferential outer wall of the ventilation pipe one 515. In the drying mechanism 5, flowing wind is generated by the air energy heat pump 501, and is discharged in sequence through the ventilation elbow 502, the ventilation hose one 503, the ventilation pipe one 515 and the multiple air outlets one 506, acting on the concrete surface on the wall to achieve improved drying efficiency. Then, through the limiting of the lower part of the ventilation pipe one 515 by the hinged seat four 513 and the setting of the gas rod 510, the ventilation pipe one 515 is pushed to tilt obliquely downward by extending the gas rod 510, so that it can act on the concrete surface on the ground and the platform.

[0026] Reference Figure 4 and Figure 5 In a preferred embodiment, the extension mechanism 6 includes: Extension tube 615 is connected to the top inner wall of ventilation tube 1 515. External thread 2 612 is provided around the outer wall of the bottom end of extension tube 615, and external thread 2 612 is engaged with internal thread 507. A support ring 601 is movably disposed around the outer circumference of the ventilation pipe 515; Two vertical rods 602 are fixedly connected to the outer wall of one side of the support ring 601, and the outer walls of the two vertical rods 602 are movably fitted to the inner walls of the two side limit strips 505. The middle sections of the two vertical rods 602 are also fixedly connected to the cover plate 604; The sealing gasket 606 is fixedly attached to the inner wall of one side of the cover plate 604 and covers a portion of the outside of the air outlet 506 .

[0027] Reference Figure 4 and Figure 5 In a preferred embodiment, the extension mechanism 6 further comprises: The air diffuser cover 1 603 and the air diffuser cover 2 605 are fixedly connected to the two vertical rods 602 and cover the outside of the other multiple air outlet holes 1 506; The limiting ring 613 is fixedly connected to the circumferential outer wall of the extension tube 615; The magnetic ring 611 is fixedly embedded in the circumferential inner wall of the extension tube 615, and two half-ring iron frames 610 are magnetically adsorbed on the outside of the magnetic ring 611. The support ring 601 is located between the half-ring iron frame 610 and the limiting ring 613. The half-ring iron frame 610 and the limiting ring 613 are used to provide longitudinal limitation for the support ring 601.

[0028] Reference Figure 4 and Figure 5 In a preferred embodiment, the extension mechanism 6 further comprises: A plurality of second air outlet holes 609 are provided through the inner wall of one side of the extension tube 615; An external thread 608 is provided around the top circumferential outer wall of the extension tube 615; The second sealing plug 607 is movably inserted into the inner wall of the top end of the extension tube 615; Two brackets 614 are fixedly connected to the outer wall of one side of the extension pipe 615, and the two brackets 614 are arranged at different heights. The extension pipe 615 is mainly used as an extension of the hot air transmission channel, and is discharged through multiple air outlet holes 2 609. Remove the sealing plug 1 514, and connect the extension pipe 615 and the ventilation pipe 1 515 through the engagement of the external thread 2 612 and the internal thread 507. At the same time, the covering plate 604 is limited based on the two side limit strips 505, the limit ring 613 and the semi-ring iron frame 610. The sealing gasket 606 is ensured to cover the outside of the multiple air outlet holes 1 506 located in the middle, and the air diffuser hood 1 603 and the air diffuser hood 2 605 cover the outside of the other air outlet holes 1 506. Under this structure, based on the natural rise of hot air and the blocking of multiple air outlet holes 1 506, the central airflow is maintained stable, and the extension section is continuously energized to ensure that the hot air is smoothly discharged through the multiple air outlet holes 2 609. At the same time, based on the setting of the two half-ring iron frames 610, the support ring 601 can also be easily disassembled from the top for easy storage.

[0029] Reference Figure 6 In a preferred embodiment, the extension mechanism 2 7 includes: The screw sleeve 701 is engaged with the outer surface of the external thread 608; The second ventilation hose 702 is fixedly connected to the inner wall of the top end of the screw sleeve 701; A single-side closed tube 704 is fixedly connected to the inner wall of the top end of the second ventilation hose 702; A plurality of air outlet holes 703 are provided through the inner wall of one side of the single-side closed tube 704 .

[0030] Reference Figure 6 In a preferred embodiment, the second extension mechanism 7 further includes: Hinge seat 5 705, fixedly connected to one side outer wall of the single-side closed tube 704; One end of the support rod 706 is hinged to the hinge seat 705; The hook 707 is hinged to the other end of the support rod 706 and is clamped on a single hanger 614 to support the single-sided closed tube 704. Through the setting of the ventilation hose 2 702, the single-sided closed tube 704 can be tilted upward, wherein the support rod 706 can provide side support for the single-sided closed tube 704. By clamping the hook 707 on the upper hanger 614, the single-sided closed tube 704 can be supported vertically to extend the longitudinal hot air delivery height. When the hook 707 is clamped on the lower hanger 614, the single-sided closed tube 704 can be supported in an oblique upward state, so that the concrete at the corner position can be dried with hot air. Under this structure, the extension mechanism 2 7 has a deformation function and can adapt to different environments.

[0031] Working principle: the extension mechanism 1 6 and the extension mechanism 2 7 can extend the hot air conveying height of the drying mechanism 5, and the drying mechanism 5 can convey the hot air obliquely downward by bending, and the extension mechanism 2 7 can convey the hot air obliquely upward by bending, thereby respectively adapting to the concrete drying needs in different environments such as low walls, high walls, platforms, floors, corners, etc., and optimizing the adaptability of the device through the deformation structure. In the drying mechanism 5, the flowing wind is generated by the air energy heat pump 501, and is discharged in sequence through the ventilation elbow 502, the ventilation hose 1 503, the ventilation pipe 1 515 and the multiple air outlets 1 506, acting on the concrete surface on the wall to improve the drying efficiency, and then the ventilation pipe 1 is connected to the hinge seat 4 513. The limit of the lower part of 515 and the setting of the air rod 510, through the extension of the air rod 510, pushes the ventilation pipe 1 515 to tilt obliquely downward, which can act on the ground and the concrete surface on the platform. In addition, based on the function of alternating hot and cold air of the air heat pump 501, hot air and cold air can be dried separately, which can be adapted to the drying use in summer and winter, avoiding excessive evaporation rate of surface moisture due to high temperature in summer, and avoiding freezing of concrete due to low temperature in winter, while optimizing the drying efficiency. In addition, through the setting of the three-way valve 520, part of the air flow can be separated to pass through the ventilation pipe 2 519 and discharged from the air vent 517 of the sealing plate 516, so that the workers' standing position can be cooled or heated, optimizing the working environment.

[0032] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A concrete drying device for building construction, comprising a guide rail (1), a slide (2), a support shell (3), a top frame (4), a storage groove (8) and a plurality of straps (9), wherein the support shell (3) is fixedly connected to the top end of the slide (2), the slide (2) is movably connected to the guide rail (1), the top frame (4) is fixedly connected to the top outer wall of the support shell (3), the storage groove (8) is provided through the top frame (4), and the plurality of straps (9) are fixedly connected to the bottom inner wall of the storage groove (8), characterized in that: Also includes: A drying mechanism (5) is arranged inside the supporting shell (3) and at the top of the supporting shell (3), and is used to deliver hot air to dry the concrete on the wall, and can deliver the hot air obliquely downward by bending; An extension mechanism (6) is connected to the top of the drying mechanism (5), the connection being detachable and used to extend the hot air delivery height of the drying mechanism (5); Extension mechanism 2 (7) is connected to the top of extension mechanism 1 (6), and the connection is detachable, and is used to extend the hot air conveying height of extension mechanism 1 (6), and can convey hot air obliquely upward by bending.

2. A concrete drying device for building construction according to claim 1, characterized in that: The drying mechanism (5) comprises: The air energy heat pump (501) is fixedly connected to the inner wall of the supporting shell (3), and the output end of the air energy heat pump (501) is fixedly connected to the ventilation elbow (502), and the ventilation elbow (502) passes through the top of the supporting shell (3) and is fixedly connected to the supporting shell (3), with the protruding portion being in a vertical state; A ventilation hose (503) is fixedly connected to the inner wall of the top end of the ventilation elbow (502); The ventilation pipe (515) is fixedly connected to the inner wall of the top end of the ventilation hose (503), and a plurality of air outlet holes (506) are provided through the inner wall of one side of the ventilation pipe (515). The ventilation pipe (515) transports the air blown out by the air energy heat pump (501) and blows it out through the plurality of air outlet holes (506). A three-way valve (520) is installed in the middle section of the ventilation elbow (502), and one output end of the three-way valve (520) is fixedly connected to the second ventilation pipe (519); A through groove (518) is provided through the inner wall of the top frame (4), and a second ventilation pipe (519) is installed in the through groove (518); The sealing plate (516) is fixedly connected to the inner wall of one side of the through groove (518), and a plurality of air holes (517) are provided through the sealing plate (516).

3. A concrete drying device for building construction according to claim 2, characterized in that: The drying mechanism (5) further comprises: Two side limit strips (505) are fixedly connected to one side outer wall of the ventilation pipe (515) and are symmetrically distributed on both sides of the plurality of air outlet holes (506); Two hinged seats 2 (504) are symmetrically fixedly connected to the circumferential outer wall of the ventilation pipe 1 (515) and symmetrically distributed on both sides of the plurality of air outlet holes 1 (506); The hinge seat four (513) is fixedly connected to the outer wall of one side of the top frame (4) and is hinged to the two hinge seats one (504).

4. A concrete drying device for building construction according to claim 3, characterized in that: The drying mechanism (5) further comprises: Hinge seat 2 (508) is fixedly connected to the outer wall of one side of ventilation pipe 1 (515), and two hinge seats 1 (504) are symmetrically arranged on both sides of hinge seat 2 (508), and the position of hinge seat 2 (508) is higher than that of hinge seat 1 (504); The gas rod (510) has an output end hinged to the hinge seat 2 (508) through the hinge frame (509), and the other end is connected to the outer wall of one side of the top frame (4) through the hinge seat 3 (511). The gas rod (510) is used to push the ventilation pipe 1 (515) to tilt obliquely downward.

5. A concrete drying device for building construction according to claim 4, characterized in that: The drying mechanism (5) further comprises: An internal thread (507) is provided on the inner wall of the top end of the ventilation pipe (515); A sealing plug (514) is movably inserted into the top inner wall of a ventilation pipe (515); The limiting support (512) is fixedly connected to the top outer wall of the hinge seat four (513), and one side thereof is movably fitted to the circumferential outer wall of the ventilation pipe one (515).

6. A concrete drying device for building construction according to claim 5, characterized in that: The extension mechanism 1 (6) comprises: The extension tube (615) is connected to the inner wall of the top end of the ventilation tube (515), and the outer wall of the bottom end of the extension tube (615) is surrounded by an outer thread (612), and the outer thread (612) is engaged with the inner thread (507); A support ring (601) is movably arranged around the circumferential outer wall of the ventilation pipe (515); Two vertical rods (602) are fixedly connected to the outer wall of one side of the support ring (601), and the outer walls of the two vertical rods (602) are movably fitted to the inner walls of the two side limit strips (505), and the middle sections of the two vertical rods (602) are fixedly connected to the cover plate (604); The sealing gasket (606) is fixedly attached to the inner wall of one side of the covering plate (604) and covers a portion of the outside of the air outlet hole 1 (506).

7. A concrete drying device for building construction according to claim 6, characterized in that: The extension mechanism 1 (6) further comprises: The air diffuser cover 1 (603) and the air diffuser cover 2 (605) are fixedly connected to the two vertical rods (602) and cover the outside of the other plurality of air outlet holes 1 (506); A limiting ring (613) is fixedly connected to the circumferential outer wall of the extension tube (615); The magnetic ring (611) is fixedly embedded in the circumferential inner wall of the extension tube (615), and two half-ring iron frames (610) are magnetically adsorbed on the outside of the magnetic ring (611). The support ring (601) is located between the half-ring iron frame (610) and the limiting ring (613). The half-ring iron frame (610) and the limiting ring (613) are used to provide longitudinal limitation for the support ring (601).

8. A concrete drying device for building construction according to claim 7, characterized in that: The extension mechanism 1 (6) further comprises: A plurality of air outlet holes (609) are provided through the inner wall of one side of the extension tube (615); External thread 1 (608) is arranged around the top circumferential outer wall of the extension tube (615); A second sealing plug (607) is movably inserted into the inner wall of the top end of the extension tube (615); The two hanging brackets (614) are simultaneously fixedly connected to the outer wall of one side of the extension tube (615), and the two hanging brackets (614) are arranged at different heights.

9. A concrete drying device for building construction according to claim 8, characterized in that: The second extension mechanism (7) comprises: A screw sleeve (701) is engaged with the outside of the external thread (608); A second ventilation hose (702) is fixedly connected to the inner wall of the top end of the screw sleeve (701); A single-side closed tube (704) is fixedly connected to the inner wall of the top end of the second ventilation hose (702); A plurality of air outlet holes (703) are provided through the inner wall of one side of the single-sided closed tube (704).

10. A concrete drying device for building construction according to claim 9, characterized in that: The second extension mechanism (7) further comprises: A hinge seat five (705), fixedly connected to an outer wall of one side of the single-side closed tube (704); A support rod (706), one end of which is hinged to the hinge seat 5 (705); The hook (707) is hinged to the other end of the support rod (706) and is clamped on the single hanger (614) to support the single-side closed tube (704).

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