阅读说明：本技术 一种大体积混凝土温控用保温结构及温控方法 (Heat insulation structure for temperature control of mass concrete and temperature control method ) 是由 罗作球 丁路静 张凯峰 王军 陈全滨 李微 高建 梁国立 于 2021-08-31 设计创作，主要内容包括：本申请涉及混凝土生产的领域,具体公开了一种大体积混凝土温控用保温结构及温控方法,所述保温结构包括保温垫,所述保温垫包括隔热外层和导热内层,所述导热内层的端壁和隔热外层的端壁固定连接,所述隔热外层和导热内层之间形成腔体,所述隔热外层和导热内层的相对侧壁间设置有若干扣合件,所述导热内层上设置有若干相变胶囊,所述隔热外层连接有鼓气件,所述鼓气件用于向腔体内鼓气。本申请可以减小混凝土在运输过程和施工过程中的温度升高。(The application relates to the field of concrete production, and specifically discloses insulation construction and temperature control method for control by temperature change of bulky concrete, insulation construction includes the heat preservation pad, the heat preservation pad is including thermal-insulated skin and heat conduction inlayer, the end wall of heat conduction inlayer and thermal-insulated outer end wall fixed connection, form the cavity between thermal-insulated skin and the heat conduction inlayer, be provided with a plurality of lock pieces between the opposite side wall of thermal-insulated skin and heat conduction inlayer, be provided with a plurality of phase transition capsules on the heat conduction inlayer, thermal-insulated skin is connected with air-blowing spare, air-blowing spare is used for the air-blowing to in the cavity. The concrete temperature rise in transportation process and construction process can be reduced.)

1. The utility model provides a bulky concrete control by temperature change uses insulation construction, includes heat preservation pad (1), its characterized in that: the heat preservation pad (1) comprises a heat insulation outer layer (11) and a heat conduction inner layer (12), the end wall of the heat conduction inner layer (12) is fixedly connected with the end wall of the heat insulation outer layer (11), a cavity (13) is formed between the heat insulation outer layer (11) and the heat conduction inner layer (12), a plurality of buckling pieces (2) are arranged between the opposite side walls of the heat insulation outer layer (11) and the heat conduction inner layer (12), a plurality of phase change capsules (3) are arranged on the heat conduction inner layer (12), the heat insulation outer layer (11) is connected with an air blowing piece (4), and the air blowing piece (4) is used for blowing air into the cavity (13).

2. The bulk concrete temperature-control thermal insulation structure according to claim 1, wherein: the heat-insulating and heat-insulating combined type LED lamp is characterized in that the buckling piece (2) comprises a buckling block (21), the buckling block (21) is arranged on the side wall, opposite to the heat-insulating outer layer (11), of the heat-conducting inner layer (12), a buckling groove (111) is formed in the side wall, opposite to the buckling block (21), of the heat-insulating outer layer (11), the buckling groove (111) is formed in the side wall, the buckling block (21) is connected with the groove wall of the buckling groove (111) in a clamped mode, and the buckling block (21) is an elastic block.

3. The bulk concrete temperature-control thermal insulation structure according to claim 1, wherein: insulation construction still includes connecting piece (5), connecting piece (5) are used for connecting the double-phase relative end wall of heat preservation pad (1), connecting piece (5) are including breather pipe (51) and joint cyst block (52), breather pipe (51) set up on the one end wall of heat preservation pad (1) and communicate with each other with cavity (13), joint cyst block (52) are connected and are kept away from the one end of heat preservation pad (1) and communicate with each other with breather pipe (51) in breather pipe (51), air-blowing piece (4) are including air-blowing pipe (41), the one end and the joint cyst block (52) of air-blowing pipe (41) are linked together, the one end that breather pipe (51) were kept away from in heat preservation pad (1) is provided with joint groove (112), aerify joint cyst block (52) and joint groove (112) shape adaptation.

4. The bulk concrete temperature-control thermal insulation structure according to claim 1, wherein: be provided with mounting groove (121) on heat conduction inlayer (12) keep away from one side lateral wall of thermal-insulated skin (11), be provided with two elasticity mounting patches (122) between the cell wall of mounting groove (121), elasticity mounting groove (121) notch is sealed in elasticity mounting patch (122), phase change capsule (3) are located mounting groove (121).

5. A temperature control method for mass concrete is characterized in that: the method comprises the following steps:

temperature control in the transportation process: -wrapping the insulating mat (1) according to any one of claims 1 to 4 on the tank of a concrete truck; spraying water on a tank body of the concrete truck;

controlling the temperature in the pouring process: and (4) coating a thermal insulation material on the concrete pumping pipeline.

6. The method for temperature control of mass concrete according to claim 5, wherein: the heat preservation structure passes through installation component (6) and installs on the jar body of concrete car, installation component (6) include base (61), levelling and change roller (62) and fixed magnetic path (63), fixed magnetic path (63) set up the one side that is close to breather pipe (51) at heat preservation pad (1), fixed magnetic path (63) are used for being connected with the jar body magnetism of concrete car, the levelling changes roller (62) and rotates the setting on base (61), works as when base (61) are installed on the concrete car, the levelling changes the jar body of roller (62) and concrete car relatively, heat preservation pad (1) are located the levelling and change between the jar body of roller (62) and concrete car.

7. The method for temperature control of mass concrete according to claim 6, wherein: and a positioning magnetic block (64) is arranged on one side of the heat-insulating pad (1) far away from the air pipe (51).

8. The method for temperature control of mass concrete according to claim 7, wherein: the base (61) is rotatably provided with a take-up and pay-off roller (65), and the positioning magnetic block (64) is magnetically connected with the circumferential wall of the take-up and pay-off roller (65).

9. The method for temperature control of mass concrete according to claim 8, wherein: the automatic leveling device is characterized in that a first linkage gear (651) is fixedly arranged on the end wall of one axial end of the take-up and pay-off roller (65), a second linkage gear (622) is fixedly arranged on the end wall, close to the first linkage gear (651), of the leveling rotating roller (62), a driving gear (66) is rotatably arranged on the base (61), and the first linkage gear (651) and the second linkage gear (622) are meshed with the driving gear (66).

10. The method for temperature control of mass concrete according to claim 9, wherein: and a resistance reducing layer (621) is arranged on the circumferential wall of the leveling roller (62).

Technical Field

The application relates to the field of concrete production, in particular to a heat insulation structure for temperature control of mass concrete and a temperature control method.

Background

Concrete is a very common material in construction, and is mainly formed by bonding fine aggregates and coarse aggregates with cement and hardening them for a period of time. And with the development of modern technology, more and more high-rise buildings are started to be formed, and large-volume concrete is gradually applied.

The bulk concrete refers to a mass concrete of which the minimum physical geometric dimension of a concrete structure is not less than 1m, or a concrete which is expected to cause harmful crack generation due to temperature change and shrinkage caused by hydration of a cementing material in the concrete. Because the cement hydration heat is released more intensively, the internal temperature rise is faster; when the temperature difference between the inside and the outside of the concrete is large, the concrete can generate temperature cracks, and the structural safety and the normal use are influenced.

With respect to the related art in the above, the inventors consider that: in the process of transporting concrete and the like, the temperature of the concrete can be increased due to the environmental temperature and the mechanical stirring in the concrete truck tank body, and the subsequent cracking of the concrete is easily caused.

Disclosure of Invention

In order to reduce the influence of mechanical stirring and environment temperature on the temperature rise of concrete, the application provides a heat insulation structure for controlling the temperature of mass concrete and a temperature control method.

The application provides a bulky concrete temperature control is with insulation construction and temperature control method, adopts following technical scheme:

in a first aspect, the application provides a thermal insulation structure for temperature control of mass concrete, which adopts the following technical scheme:

the utility model provides a bulky concrete temperature control is with insulation construction, includes the heat preservation pad, the heat preservation pad is including thermal-insulated skin and heat conduction inlayer, the end wall and the thermal-insulated outer end wall fixed connection of heat conduction inlayer, form the cavity between thermal-insulated skin and the heat conduction inlayer, be provided with a plurality of buckles between the opposite side wall of thermal-insulated skin and heat conduction inlayer, be provided with a plurality of phase change capsules on the heat conduction inlayer, thermal-insulated skin is connected with the air-blowing spare, the air-blowing spare is used for the air-blowing to the cavity internal.

By adopting the technical scheme, the heat insulation outer layer can play a role in heat insulation and preservation, and the influence of the external environment temperature on the concrete in the tank body is reduced; the phase-change capsule utilizes the principle of phase-change heat absorption of the phase-change material to automatically cool the tank body, and the heat conducting inner layer is convenient for heat transfer, so that the phase-change capsule can better cool the tank body; meanwhile, after the heat-insulation pad is wrapped on the tank body, the air blowing piece is used for blowing air into the cavity, so that the buckling piece is enabled to remove the connection between the heat-conducting inner layer and the heat-insulation outer layer, the cavity is inflated, the heat-conducting inner layer can fully abut against the tank body, the heat-conducting effect between the tank body and the heat-conducting inner layer is improved, and the phase-change capsule can well cool the tank body.

Optionally, the fastening piece includes a fastening block, the fastening block is disposed on a side wall of the heat-conducting inner layer opposite to the heat-insulating outer layer, a fastening groove is disposed on a side wall of the heat-insulating outer layer opposite to the fastening block, the fastening block is clamped with a groove wall of the fastening groove, and the fastening block is an elastic block.

Through adopting above-mentioned technical scheme, the intensity of pressure grow behind the gaseous back of dashing into in the cavity can make the buckling piece take place elastic deformation to buckling piece and the separation of buckling groove, convenient and fast.

Optionally, insulation construction still includes the connecting piece, the connecting piece is used for connecting two relative end walls of heat preservation pad, the connecting piece includes breather pipe and joint cyst block, the breather pipe sets up on the one end wall of heat preservation pad and communicates with each other with the cavity, the joint cyst block is connected and is kept away from the one end of heat preservation pad and communicate with each other with the breather pipe at the breather pipe, the air-blowing piece includes the tympanum, tympanum one end and joint cyst block are linked together, the one end that the breather pipe was kept away from to the heat preservation pad is provided with the joint groove, and is aerifyd joint cyst block and joint groove shape adaptation.

By adopting the technical scheme, after the heat insulation pad is wound on the tank body, the uninflated clamping bag block can be plugged into the clamping groove, and the clamping bag block is filled with gas in advance along with blowing of the gas into the blowing pipe, so that the heat insulation pad is stably installed on the tank body through the inflated clamping bag block and the clamping groove of the clamping groove, and then the cavity is slowly filled with the gas; through blowing to the tympanic bulla pipe, can realize the connection between the heat preservation pad end wall, can realize simultaneously aerifing convenient and fast to the cavity.

Optionally, a mounting groove is formed in the side wall, away from the heat insulation outer layer, of the heat conduction inner layer, two elastic sealing pieces are arranged between the groove walls of the mounting groove, the elastic sealing pieces seal the notch of the mounting groove, and the phase change capsule is located in the mounting groove.

Through adopting above-mentioned technical scheme, can realize dismantling between phase change capsule and the heat conduction inlayer and be connected to the convenience is changed the phase change capsule, makes the phase change capsule carry out better cooling to the jar body.

In a second aspect, the present application provides a method for controlling temperature of mass concrete, which adopts the following technical scheme:

a temperature control method for mass concrete comprises the following steps:

temperature control in the transportation process: wrapping the heat-insulating pad on a tank body of the concrete truck; spraying water on a tank body of the concrete truck;

controlling the temperature in the pouring process: and (4) coating a thermal insulation material on the concrete pumping pipeline.

By adopting the technical scheme, the heat-insulating pad is arranged on the tank body, so that the influence of the ambient temperature on the concrete can be reduced, and meanwhile, the phase-change capsules on the heat-insulating pad can also cool the concrete in the tank body, so that the influence of mechanical heat generated by the concrete due to self stirring is reduced; spraying water on the tank body of the concrete truck to wet the surfaces of the tank body and the heat-insulating pad for cooling; the concrete pumping pipeline is coated with the heat insulation material, so that the influence of the environmental temperature on the concrete can be reduced.

Optionally, insulation construction passes through the installation component to be installed on the jar body of concrete car, the installation component includes base, levelling and changes roller and fixed magnetic path, fixed magnetic path sets up the one side that is close to the breather pipe at the heat preservation pad, fixed magnetic path is used for connecting with the jar body magnetism of concrete car, the levelling is changeed the roller and is rotated the setting on the base, works as when the base is installed on the concrete car, the levelling is changeed the roller and is relative with the jar body of concrete car, the heat preservation pad is located the levelling and is changeed between the jar body of roller and concrete car.

Through adopting above-mentioned technical scheme, fixed magnetic path and jar body magnetic attraction can fix the one end wall of heat preservation pad on jar body, then will keep warm to fill up and put between the jar body of levelling commentaries on classics roller and concrete car, along with jar body rotates, the levelling changes the roller and smooths heat preservation pad for on the roll body is twined gradually to the heat preservation pad, connect the end wall of heat preservation pad at last, make the heat preservation pad overlap steadily can jar body, convenient and fast.

Optionally, a positioning magnetic block is arranged on one side of the heat preservation cushion, which is far away from the air pipe.

Through adopting above-mentioned technical scheme, after the heat preservation is filled up around jar body, can be with location magnetic path and fixed magnetic path pre-connection to can carry on spacingly to two end walls that fill up the heat preservation, can operate the connecting piece more steadily and connect, also can improve the joint strength who fills up two end walls of heat preservation moreover, make the heat preservation fill up the cover on jar body steadily.

Optionally, the base is rotatably provided with a retractable roller, and the positioning magnetic block is magnetically connected with the circumferential wall of the retractable roller.

Through taking above-mentioned technical scheme, the one end magnetism that fixed magnetic path was kept away from to the pad that will keep warm is connected on receiving and releasing the roller to the location magnetic path for the pad that keeps warm can twine in advance on receiving and releasing the roller, thereby along with the pad that keeps warm twines on jar body, the pad that keeps warm gradually from receiving and releasing the roller and getting off, has reduced putting at will of the pad that keeps warm, when reducing the pad that keeps warm and damaging, makes the pad that keeps warm to twine on jar body more steadily.

Optionally, a first linkage gear is fixedly arranged on the end wall of one axial end of the take-up and pay-off roller, a second linkage gear is fixedly arranged on the end wall of the leveling roller, close to the first linkage gear, of the axial end, a driving gear is arranged on the base in a rotating mode, and the first linkage gear and the second linkage gear are meshed with the driving gear.

Through adopting above-mentioned technical scheme, rotate drive gear, can utilize first linkage gear and drive gear and meshing, second linkage gear and drive gear's combination, drive simultaneously and receive and release the roller and the levelling changes the roller rotation for the heat preservation fills up from receiving and releasing the roller and go up down and around the in-process on the jar body, and the levelling is changeed the rotation direction of roller and heat preservation pad butt department and is kept warm the removal opposite direction who fills up, makes the levelling change the roller and carries out better smoothing to the heat preservation pad.

Optionally, a drag reduction layer is arranged on the circumferential wall of the leveling roller.

Through adopting above-mentioned technical scheme, because the rotation direction that roller and heat preservation fill up the butt department and the removal opposite direction that fills up that keeps warm are changeed in the levelling, set up and subtract the layer of hindering and can reduce the levelling and change the frictional force between roller and the heat preservation fill up to can reduce the levelling and change the wearing and tearing of roller to the heat preservation bed course.

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

1. the phase-change capsule can automatically cool the tank body by utilizing the phase-change heat absorption principle of the phase-change material, and the heat conduction inner layer is convenient for heat transfer, so that the phase-change capsule can better cool the tank body;

2. in the application, the heat insulation pad comprises a heat insulation outer layer and a heat conduction inner layer, after the heat insulation pad is wrapped on the tank body, air is blown into the cavity by the air blowing piece, and after the heat conduction inner layer is separated from the heat insulation outer layer, the cavity is inflated, so that the heat conduction inner layer can fully abut against the tank body, and the heat conduction effect between the tank body and the heat conduction inner layer is improved;

3. the application provides an installation component, can be conveniently include the heat preservation pad on jar body. Drawings

Fig. 1 is a schematic structural view of an insulation structure in an embodiment of the present application.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

Fig. 4 is an enlarged view at C in fig. 1.

Fig. 5 is a schematic structural diagram of a mounting assembly in an embodiment of the present application.

Fig. 6 is an enlarged view at D in fig. 5.

Description of reference numerals: 1. a heat-insulating pad; 11. an outer heat-insulating layer; 111. buckling the groove; 112. a clamping groove; 12. a thermally conductive inner layer; 121. mounting grooves; 122. an elastic sealing sheet; 13. a cavity; 2. a fastener; 21. buckling blocks; 3. a phase change capsule; 4. an air blowing member; 41. blowing a gas pipe; 5. a connecting member; 51. a breather pipe; 52. clamping the capsule block; 6. mounting the component; 61. a base; 62. leveling and rotating the roller; 621. a resistance reducing layer; 622. a second linkage gear; 63. a fixed magnetic block; 64. a positioning magnetic block; 65. a take-up and pay-off roller; 651. a first linkage gear; 66. a drive gear; 661. the motor is driven.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses insulation construction is used in bulky concrete control by temperature change.

As shown in fig. 1 and fig. 2, a mass concrete temperature control insulation structure comprises an insulation pad 1, the insulation pad 1 of the embodiment comprises an outer heat insulation layer 11 and an inner heat conduction layer 12, and the end wall of the heat-conducting inner layer 12 and the end wall of the heat-insulating outer layer 11 are fixed and hermetically connected, so that a sealed cavity 13 is formed between the heat-conducting outer layer 11 and the heat-conducting inner layer 12, a plurality of buckling pieces 2 are arranged between the opposite side walls of the heat-insulating outer layer 11 and the heat-conducting inner layer 12, the buckling pieces 2 are positioned in the cavity 13, the heat-conducting inner layer 12 is fixed on the heat-insulating outer layer 11 after being folded to a certain extent by the buckling pieces 2, a plurality of phase-change capsules 3 absorbing heat during phase change are arranged on the heat-conducting inner layer 12, the phase-change capsules 3 of the embodiment are arranged in the capsules and then are arranged on the heat-conducting inner layer 12 along with the capsules, the heat-insulating outer layer 11 is connected with an air blowing piece 4, and the air blowing piece 4 is an air blowing pipe 41 and is communicated with the cavity 13 in the embodiment. And a connecting piece 5 is arranged between the two opposite end walls of the heat-insulating pad 1.

After winding heat preservation pad 1 on the jar body of concrete car, utilize connecting piece 5 to link together heat preservation pad 1's double-phase opposite end wall, operation air-blowing piece 4 blows in gas in to cavity 13, utilize the pressure grow in the cavity 13 and remove the connection effect of buckling piece 2, make heat conduction inlayer 12 keep away from thermal-insulated outer 11 and swell, heat conduction inlayer 12 pastes the jar body of tight concrete car, thereby when the concrete car transports the concrete, thermal-insulated outer 11 reduces the influence of ambient temperature to the concrete, phase change capsule 3 absorbs heat in the phase transition simultaneously, can cool down the concrete car jar body.

As shown in fig. 2, the fastening member 2 of the present embodiment includes an elastic fastening block 21, the fastening block 21 is a T-shaped block, one end of the fastening block 21 is fixedly connected to the side wall of the heat-conducting inner layer 12 opposite to the heat-insulating outer layer 11, the side wall of the heat-insulating outer layer 11 opposite to the fastening block 21 is provided with a fastening groove 111, the fastening groove 111 is a T-shaped groove and is disposed in one-to-one correspondence with the fastening block 21, and when the fastening block 21 is fastened to the groove wall of the fastening groove 111, the heat-conducting inner layer 12 can be fixed on the heat-insulating outer layer 11. After the cavity 13 is inflated, under the action of pressure in the cavity 13, the buckling block 21 is elastically deformed, and the buckling block 21 can be separated from the buckling groove 111 to release the connection between the heat insulation outer layer 11 and the heat conduction inner layer 12.

As shown in fig. 3 and 4, in the present embodiment, the connecting member 5 includes a vent pipe 51 and a clamping bladder block 52, the vent pipe 51 is disposed on a side wall of one end of the heat insulating outer layer 11 and is communicated with the cavity 13, the clamping bladder block 52 is connected to an end of the vent pipe 51 away from the thermal pad 1 and is communicated with the vent pipe 51, one end of the blast pipe 41 is communicated with the clamping bladder block 52, a clamping groove 112 is disposed on a side wall of the heat insulating outer layer 11 away from the heat conducting inner layer 11, the clamping groove 112 is disposed on a side of the heat insulating outer layer 11 away from the vent pipe 51, and the inflated clamping bladder block 52 and the vent pipe 51 form a T-shaped air bag and are communicated with the clamping groove 112. The uninflated clamping air sac block 52 is plugged into the clamping groove 112, then air is blown into the air blowing pipe 41, the clamping air sac block 52 is gradually inflated with air and is inflated, the inflated clamping air sac block 52 and the air pipe 51 form a T shape and are clamped with the groove wall of the clamping groove 112, two opposite side walls of the heat preservation cushion 1 can be connected together, air is blown into the air blowing pipe 41 continuously, and the cavity 13 can be inflated with air.

As shown in fig. 3, in order to facilitate replacement of the phase change capsule 3, in this embodiment, a mounting groove 121 is disposed on a side wall of the heat conducting inner layer 12 away from the heat insulating outer layer, two elastic sealing pieces 122 are disposed between groove walls of the mounting groove 121, the elastic sealing pieces 122 can seal a notch of the mounting groove 121 when in a natural state, and the phase change capsule 3 is located in the mounting groove 121. When the phase change capsule 3 needs to be replaced, the two elastic sealing pieces 122 are mainly separated, and the phase change capsule 3 can be replaced.

The embodiment of the application also discloses a mounting assembly.

As shown in fig. 5 and 6, the installation assembly 6 is used for installing the heat preservation cushion 1 on the tank body of the concrete truck, the installation assembly 6 comprises a base 61, leveling rollers 62 and a fixed magnet 63, the fixed magnet 63 is arranged on the end wall of the heat insulation outer layer 11 on one side of the air pipe 51, meanwhile, the heat insulation outer layer 11 on the end wall far away from one side of the air pipe 51 is fixedly connected with a positioning magnet 64, the leveling rollers 62 are rotatably arranged on the base 61, a resistance reducing layer 621 is coated on the outer peripheral wall of the leveling rollers 62, meanwhile, the base 61 is further rotatably provided with a receiving roller 65, and the receiving roller 65 and the leveling rollers 62 are parallel in axis and are positioned below the correcting rollers.

The positioning magnetic block 64 is magnetically connected to the receiving and releasing roller 65 in advance, so that the heat-insulating pad 1 is wound on the receiving and releasing roller 65, and the heat-insulating outer layer 11 is close to the receiving and releasing roller 65 compared with the heat-conducting inner layer 12 at the same position; then the base 61 is placed on the concrete truck, so that the leveling roller 62 is opposite to the concrete truck tank body, then the fixed magnet 63 is magnetically connected to the outer peripheral wall of the concrete truck tank body after passing through the lower part of the leveling roller 62, and the heat insulation pad 1 is positioned between the leveling roller 62 and the concrete truck tank body. Then the tank body of the concrete truck is rotated, the receiving rollers 65 and the leveling rollers 62 are rotated, so that the heat insulation pad 1 is rotated off from the receiving rollers 65, meanwhile, the rotation directions of the leveling rollers 62 and the tank body of the concrete truck are opposite, so that the leveling rollers 62 rotate against the heat insulation pad 1, the heat insulation pad 1 is smoothed, and the heat insulation pad 1 is gradually wound on the tank body of the concrete truck; then the positioning magnetic block 64 is taken down from the retracting roller 65, so that the positioning magnetic block 64 is magnetically connected with the fixed magnetic block 63, the non-inflated clamping air bag block 52 is plugged into the clamping groove 112, then air is blown into the air blowing pipe 41, the whole of the inflated clamping air bag block 52 and the air pipe 51 is clamped with the wall of the clamping groove 112, the cavity 13 is also filled with air, as the pressure intensity in the cavity 13 is increased, the buckling block 21 is separated from the buckling groove 111, and the heat conduction inner layer 12 is tightly attached to the concrete car tank body; and the tilted heat-insulating pad 1 is partially folded and adhered by using an adhesive tape, so that the heat-insulating pad 1 is integrally attached to the peripheral wall of the concrete car tank body.

As shown in fig. 6, a first linkage gear 651 is fixedly disposed on an axial end wall of the retraction roller 65, a second linkage gear 622 is fixedly disposed on an axial end wall of the leveling roller 62 close to the first linkage gear 651, a driving motor 661 is mounted on the base 61, a driving gear 66 is fixedly disposed at a driving end of the driving motor 661, and both the first linkage gear 651 and the second linkage gear 622 are engaged with the driving gear 66. Start driving motor 661, when drive gear 66 and first linkage gear 651 meshing, drive gear 66 and the meshing of second drive gear 66 can drive and receive roll 65 and the leveling and change the roller 62 and rotate for heat preservation pad 1 is followed and is received roll 65 and go up to get off, and the leveling changes roller 62 and rotates along the direction of being opposite to concrete car jar body pivoted, and the leveling changes roller 62 and supports heat preservation pad 1 and rotate, and heat preservation pad 1 is pacified.

The embodiment of the application also provides a temperature control method for the mass concrete.

A temperature control method for mass concrete comprises the following steps:

temperature control in the transportation process: wrapping the heat-insulating pad 1 on a tank body of a concrete truck; spraying water on the tank body before the concrete truck starts to wet the tank body and the heat-insulating pad of the concrete truck; and then when the concrete truck arrives at a construction site, spraying water on the tank body, so that the tank body and the heat-insulating pad of the concrete truck are wet in the process of loading and unloading concrete from the concrete truck.

Controlling the temperature in the pouring process: the concrete pumping pipeline is wrapped by a heat insulation material, and the heat insulation material is polyurethane foam plastic, so that the influence of the external environment on the concrete is reduced in the concrete transporting process.

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.