CN210858070U

CN210858070U - Low-temperature concrete pouring greenhouse

Info

Publication number: CN210858070U
Application number: CN201921764601.4U
Authority: CN
Inventors: 田悦; 刘雪婷; 张晚来; 刘强
Original assignee: Shenyang Urban Construction University
Current assignee: Shenyang Urban Construction University
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-26
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a low temperature concrete placement greenhouse relates to concrete placement auxiliary assembly technical field. The device comprises two parallel frame bodies, each frame body comprises a plurality of vertical rods, the bottom of each vertical rod is provided with a trundle with a foot brake, and an expansion bracket is arranged between every two vertical rods; a cross bar is arranged between the upper ends of the adjacent upright posts; the inner side of each upright post is longitudinally provided with an air injection pipe respectively, the upper ends of the air injection pipes are communicated through a folding pipe, and the air injection pipes on each upright post are communicated through the folding pipe; an air heater is arranged on the outer side of the heat preservation shed, and the air outlet end of the air heater is communicated with the lower end of an air injection pipe through a guide pipe. The utility model provides a low temperature concrete placement greenhouse is equipped with integral heat preservation canopy through two support body outsides and horizontal pole upper end, and lets in hot-blastly in to the heat preservation canopy through the air heater, has realized keeping warm to the workplace of low temperature concrete construction.

Description

Low-temperature concrete pouring greenhouse

Technical Field

The utility model relates to a concrete placement auxiliary assembly technical field, concretely relates to low temperature concrete building greenhouse.

Background

With the massive construction of key projects in China, part of the construction projects have to be constructed in a low-temperature environment in winter for reaching the construction period, particularly when large-volume concrete is poured in winter, the quality of the concrete can be seriously influenced due to the influence of air temperature, certain heat preservation measures need to be adopted in the concrete mixing process, the pouring process and the later maintenance process, at present, the influence on low-temperature climate is solved by adopting warm water mixing, sand heating and adding anti-freezing additives in the concrete mixing process, and the surface covering heat preservation materials are only protected after the concrete is poured to reach initial set due to the limitation of different construction site environments and the cost control in the pouring process and the later maintenance process so as to avoid the influence of air temperature in the setting process and seriously influence the quality of the concrete, but the strength of the concrete still does not meet the design requirement, and cracks and pitted surfaces appear on the surface of the concrete.

In the prior art, often adopt the air heater to provide required temperature for the construction area in the warm canopy, but the air heater can not provide balanced hot-blast for each region in the warm canopy, only the regional temperature that is close to the air heater is higher, and the local temperature of keeping away from the air heater is lower, can lead to concreting inside and outside temperature unbalance, and lead to inside and outside hydration heat reaction unbalance easily when the concrete setting in-process, thereby can lead to the phenomenon of concrete fracture, in addition, current warm canopy is built on-the-spot at concreting area usually, although provide the support body for the warm canopy, nevertheless prolonged the construction period who builds the warm canopy and increased extra construction cost. Therefore, in order to strictly control the quality of concrete, it is of great significance to select reliable heat preservation and heating measures in the concrete pouring and curing processes.

SUMMERY OF THE UTILITY MODEL

In order to solve the deficiencies in the above-mentioned background art, the utility model provides a low temperature concrete building greenhouse.

In order to achieve the purpose, the utility model provides a low-temperature concrete building greenhouse, which comprises two parallel frame bodies, wherein each frame body comprises a plurality of equally-spaced vertical rods, the bottom of each vertical rod is provided with a trundle with a foot brake, and a telescopic frame is arranged between each two adjacent vertical rods;

the plurality of upright posts of one frame body, the plurality of upright posts of the other frame body and the cross rods form a ∩ -shaped shed body, and integral heat-insulating cloth is arranged on the periphery between the shed bodies;

each vertical rod of one frame body and the inner side of each vertical rod of the other frame body are longitudinally provided with air injection pipes with closed bottom ends, the upper ends of every two corresponding air injection pipes are communicated through a first folding pipe, and every two adjacent air injection pipes positioned on one frame body are communicated through a second folding pipe;

an air heater is arranged on the outer side of the heat preservation shed, and an air outlet end of the air heater is communicated with the lower end of one air injection pipe through a guide pipe.

Furthermore, the expansion bracket is a diamond expansion bracket.

Further, the heat-insulating cloth is made of glass fiber or ceramic fiber.

Furthermore, heat preservation door curtains are arranged on the front side and the rear side of the shed body.

Further, every be equipped with a plurality of air nozzles on the air nozzle, it is a plurality of the air nozzle is inboard towards, and every the air nozzle is fixed in every through the support in the pole setting.

Furthermore, one end of the support is fixed on the vertical rod, the other end of the support is provided with a sleeve ring, and the air injection pipe is fixedly sleeved in the sleeve ring.

Furthermore, inclined support rods are arranged between the two ends of each cross rod and the two connected vertical rods.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a low temperature concrete placement greenhouse, a plurality of pole settings through a support body, form the canopy body that is used for pouring ∩ type cavity structure in concrete construction place between a plurality of pole settings of another support body and the horizontal pole, be equipped with integral heat preservation canopy through the periphery at the canopy body, wrap up the cavity structure through the heat preservation canopy, the workplace to low temperature concrete construction has been realized keeping warm, and simultaneously, every pole setting bottom all is equipped with the truckle of taking the foot brake, for the ease of placing this support body, can be at the construction place, lay the track that is convenient for place the support body and realize the receiving and releasing of support body in advance, for example, the channel-section steel has been laid earlier, placing the whole channel-section steel on the channel-section steel with the canopy body, and all be equipped with the rhombus expansion bracket between per two adjacent pole settings, promote the receiving and releasing of the support body of pole setting convenient for, and be convenient for the bulk movement of the canopy body, and can set for the size of the heat preservation canopy according to the regional size, in addition, integral canopy body.

The air injection pipes are arranged on the inner sides of the vertical rods of the frame body, so that hot air is provided for a concrete construction site, balanced warm air is provided for a construction area, and the quality problem of concrete construction caused by the influence of low temperature is avoided in the pouring process of concrete; the later-stage curing effect of the concrete is ensured, so that the condition that the hydrothermal reaction of the concrete is unbalanced in a low-temperature environment, the strength of the concrete caused by large difference between the internal temperature and the surface temperature does not accord with a design value, and cracks appear on the surface of the concrete is avoided.

Drawings

FIG. 1 is a front view of a low-temperature concrete building greenhouse in the embodiment.

Fig. 2 is a frame body structure schematic diagram of the low-temperature concrete building greenhouse in the embodiment.

FIG. 3 is a schematic diagram of the external structure of the low-temperature concrete building greenhouse in the embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the circuit connection of the electric equipment in the present invention adopts a conventional circuit connection manner, and does not involve any innovation.

A low-temperature concrete building greenhouse is shown in figures 1-3 and comprises two frame bodies which are arranged in parallel, each frame body comprises a plurality of upright posts 1 which are arranged at equal intervals, the bottom of each upright post 1 is provided with a caster 102 with a foot brake, and a diamond expansion bracket 101 is arranged between every two adjacent upright posts 1; the frame body is convenient to fold and unfold by pushing the vertical rods, the stability between the vertical rods of each frame body is enhanced, the frame body is convenient to move, and the size of the heat-insulation shed can be set according to the size of a heat-insulation area; in addition, in order to place the frame body, a track which is convenient for placing the frame body and realizing the folding and unfolding of the frame body can be laid in advance in a construction place, for example, a channel steel is laid firstly, and the frame body is placed on the channel steel. Meanwhile, the electric drive frame body can be selected to be stored and released according to the difference of the size of the frame body.

The upright posts 1 of one frame body are in one-to-one correspondence with the upright posts 1 of the other frame body, a cross rod 2 is arranged between the upper ends of every two one-to-one corresponding upright posts, a shed body with an ∩ -shaped structure is formed among the upright posts 1 of one frame body, the upright posts 1 of the other frame body and the cross rods 2, a working area for pouring concrete construction is formed in the shed body of the ∩ type, and meanwhile, inclined stay rods 201 are arranged between the two ends of each cross rod 2 and the two connected upright posts 1 so as to enhance the connection stability of the upright posts and the cross rods;

the periphery between the shed bodies is provided with the integral glass fiber or ceramic fiber heat-insulating cloth 3, so that the heat insulation of a cast concrete construction working area is realized, in order to further facilitate the casting and the entering and exiting of construction personnel into and from the working area, meanwhile, the front side and the rear side of the shed bodies are provided with the heat-insulating door curtains 301, the heat-insulating door curtains are hermetically connected with the heat-insulating shed, the heat insulation of the working area is enhanced, and cold air is prevented from entering the working area formed between the two frame bodies;

in order to enable the air temperature in the heat preservation shed to meet the concrete pouring requirement, the inner sides of each upright post 1 of one frame body and each upright post 1 of the other frame body are longitudinally provided with an air injection pipe 402 with a closed bottom end, each air injection pipe 402 is provided with a plurality of air injection nozzles, the air injection nozzles face to the inner side, each air injection pipe 402 is fixed on each upright post 1 through a support 404, one end of the better support 404 is fixed on the upright post 1, the other end of the better support 404 is provided with a lantern ring, and the air injection pipe 402 is fixedly sleeved in the lantern ring; the air ejector pipe can be effectively fixed on the vertical rod; in addition, the gas injection pipes can be arranged at intervals according to requirements, and the upper parts of the gas injection pipes can be bent towards the operation area, so that hot gas can be injected towards the operation area more conveniently.

All communicate through first folding pipe 403 between per two corresponding gas-jet pipe 402 upper ends, and all communicate through second folding pipe between per two adjacent gas-jet pipe 402 that are located a support body, the adaptation canopy body of being convenient for flexible.

Meanwhile, an air heater 4 is arranged on the outer side of the heat preservation shed, and the air outlet end of the air heater 4 is communicated with the lower end of an air injection pipe 402 through a guide pipe 401. Hot air is supplied into the heat preservation shed, concrete construction operation is facilitated, and concrete pouring quality is greatly improved.

Therefore, the low-temperature concrete pouring greenhouse provided by the utility model has the advantages that the cavity structure for pouring the concrete construction site is formed between the two frame bodies, the integral type heat preservation greenhouse is jointly arranged at the outer sides of the two frame bodies and the upper end of the telescopic structure, the cavity structure is wrapped up by the heat preservation greenhouse, and the heat preservation of the low-temperature concrete construction work site is realized;

the air injection pipes arranged on the two sides in the frame body provide hot air flow for a concrete construction site, so that the quality problem of concrete construction caused by the influence of low temperature is avoided in the pouring process of concrete; the later-stage curing effect of the concrete is ensured, so that the condition that the hydrothermal reaction of the concrete is unbalanced in a low-temperature environment, the strength of the concrete caused by large difference between the internal temperature and the surface temperature does not accord with a design value, and cracks appear on the surface of the concrete is avoided.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a low temperature concrete placement pergola which characterized in that: the device comprises two parallel frame bodies, each frame body comprises a plurality of upright rods (1) arranged at equal intervals, the bottom of each upright rod (1) is provided with a caster wheel (102) with a foot brake, and an expansion bracket (101) is arranged between every two adjacent upright rods (1);

the multiple upright posts (1) of one frame body are in one-to-one correspondence with the multiple upright posts (1) of the other frame body, a cross rod (2) is arranged between the upper ends of every two one-to-one corresponding upright posts (1), a canopy body with an ∩ -shaped structure is formed among the multiple upright posts (1) of one frame body, the multiple upright posts (1) of the other frame body and the cross rods (2), and integral heat-insulating cloth (3) is arranged on the periphery of the canopy body;

each vertical rod (1) of one frame body and each vertical rod (1) of the other frame body are longitudinally provided with air injection pipes (402) with closed bottom ends, the upper ends of every two corresponding air injection pipes (402) are communicated through first folding pipes (403), and every two adjacent air injection pipes (402) positioned on the same frame body are communicated through second folding pipes;

an air heater (4) is arranged on the outer side of the heat preservation shed, and the air outlet end of the air heater (4) is communicated with the lower end of one air injection pipe (402) through a guide pipe (401).

2. The low-temperature concrete pouring greenhouse as claimed in claim 1, wherein: the telescopic frame (101) is a diamond-shaped telescopic frame.

3. The low-temperature concrete pouring greenhouse as claimed in claim 1, wherein: the heat-insulating cloth (3) is made of glass fiber or ceramic fiber.

4. The low-temperature concrete pouring greenhouse as claimed in claim 1, wherein: the front side and the rear side of the shed body are respectively provided with a heat preservation door curtain (301).

5. The low-temperature concrete pouring greenhouse as claimed in claim 1, wherein: each gas nozzle (402) is provided with a plurality of gas nozzles facing the inner side, and each gas nozzle (402) is fixed on each vertical rod (1) through a support (404).

6. The low-temperature concrete pouring greenhouse according to claim 5, wherein: one end of the support (404) is fixed on the vertical rod (1), the other end of the support is provided with a sleeve ring, and the air injection pipe (402) is fixedly sleeved in the sleeve ring.

7. The low-temperature concrete pouring greenhouse as claimed in claim 1, wherein: inclined supporting rods (201) are arranged between the two ends of each cross rod (2) and the two vertical rods (1) which are connected with each other.