Prefabricated heat preservation structure for outer wall of steel structure refrigeration house

Abstract

The utility model discloses a steel structure cold storage outer wall prefabricated heat preservation structure which comprises a first color steel layer and a second color steel layer, a heat preservation cavity is formed between the first color steel layer and the second color steel layer, and a plurality of prefabricated polyurethane heat preservation pieces are sequentially arranged in the heat preservation cavity in a spliced mode. Oppositely-pulling pieces are arranged at the joints between the adjacent prefabricated polyurethane heat preservation pieces in a penetrating mode, the two ends of each oppositely-pulling piece extend to the outer portion of the corresponding joint and are provided with heat insulation plates, and the heat insulation plates shield the joints between the adjacent prefabricated polyurethane heat preservation pieces; at least one group of nylon connecting pieces are arranged on each prefabricated polyurethane heat preservation piece in a penetrating manner, one end of each nylon connecting piece is connected with the first color steel layer, and the other end of each nylon connecting piece is connected with the second color steel layer; according to the utility model, the prefabricated polyurethane thermal insulation parts are quickly spliced to obtain the integral thermal insulation structure, and the joints between the prefabricated polyurethane thermal insulation parts are shielded and blocked, so that the construction efficiency of the thermal insulation structure is ensured, and meanwhile, the leakage of a large amount of cold energy of the steel structure refrigeration house is also avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel cold storage insulation structures and relates to a prefabricated insulation structure for the outer wall of a steel cold storage. Background Art

[0002] The existing steel cold storage is mainly composed of color steel plates and polyurethane core plates arranged in the insulation cavity inside the color steel plates. The polyurethane core plates are formed by pouring polyurethane foaming agent into the insulation cavity inside the color steel plates after the color steel plates are installed. The construction cost and difficulty are relatively high. In the prior art, prefabricated polyurethane core plates are also used for assembly to form an overall insulation structure. However, due to the limited size of the prefabricated polyurethane core plates, it is necessary to splice several prefabricated polyurethane core plates to obtain an overall insulation structure, which leads to the formation of cold bridges at the joints between the polyurethane core plates, causing the cold energy of the cold storage to be lost through the cold bridges, thereby affecting the insulation effect of the steel cold storage.

[0003] Therefore, in view of the high construction cost and great construction difficulty of the existing thermal insulation structure formed by injecting polyurethane foaming agent, and the defect that the joints of the existing prefabricated polyurethane core board splicing structure are prone to leak cold energy, the utility model discloses a prefabricated thermal insulation structure for the exterior wall of a steel-structured cold storage. Utility Model Content

[0004] The utility model aims to provide a prefabricated insulation structure for the exterior wall of a steel-structured cold storage, which uses prefabricated polyurethane insulation parts for rapid splicing to obtain an integral insulation structure, and blocks and seals the joints between the prefabricated polyurethane insulation parts, thereby ensuring the construction efficiency of the insulation structure and preventing a large amount of cold energy from leaking through the joints in the steel-structured cold storage.

[0005] The utility model is realized by the following technical solutions:

[0006] A prefabricated insulation structure for the exterior wall of a steel cold storage comprises a first color steel layer and a second color steel layer, an insulation cavity is arranged between the first color steel layer and the second color steel layer, a plurality of prefabricated polyurethane insulation parts are sequentially spliced ​​inside the insulation cavity, a tensioning member is arranged through the joints between adjacent prefabricated polyurethane insulation parts, both ends of the tensioning member extend to the outside of the joint and are respectively provided with insulation boards, and the insulation boards shield the joints between adjacent prefabricated polyurethane insulation parts; at least one group of nylon connectors is arranged through each prefabricated polyurethane insulation part, one end of the nylon connector is connected to the first color steel layer, and the other end of the nylon connector is connected to the second color steel layer.

[0007] The prefabricated polyurethane insulation parts are prepared in advance by forming molds and transported to the assembly site. The first color steel layer is connected to the steel structure keel, and then the prefabricated polyurethane insulation parts are spliced. The tensioning parts are installed through the joints between adjacent prefabricated polyurethane insulation parts. Insulation boards are installed on both ends of the tensioning parts. The insulation boards are fitted with the end faces on both sides of the joints of the prefabricated polyurethane insulation parts to block the joints and avoid the formation of cold bridges at the joints of adjacent prefabricated polyurethane insulation parts, thereby ensuring the heat insulation effect of the prefabricated polyurethane insulation parts after splicing. Then, the prefabricated polyurethane insulation parts after splicing and tensioning are installed in the insulation cavity between the first color steel layer and the second color steel layer through nylon connectors.

[0008] In order to better realize the present utility model, further, a first splicing part is provided at one end of the prefabricated polyurethane thermal insulation part, and a second splicing part corresponding to the first splicing part is provided at the other end of the prefabricated polyurethane thermal insulation part, and adjacent prefabricated polyurethane thermal insulation parts are connected by corresponding splicing of the first splicing part and the second splicing part.

[0009] In order to better realize the utility model, further, the first splicing part includes a first half groove, the second splicing part includes a second half groove, and after the first splicing part and the second splicing part are spliced ​​together, the first half groove and the second half groove are spliced ​​together to form a pulling channel for the pulling member to pass through.

[0010] In order to better implement the present utility model, further, the first splicing part includes a splicing groove, and the second splicing part includes a splicing protrusion spliced ​​corresponding to the splicing groove.

[0011] In order to better realize the utility model, further, the heat insulation board blocks and blocks the end of the pulling channel, and a filling port connected to the pulling channel is provided on the heat insulation board.

[0012] In order to better realize the utility model, further, a sealing member is provided between the fitting surfaces of the heat insulation board and the polyurethane heat preservation member.

[0013] In order to better realize the utility model, further, a steel keel is arranged on the side of the first color steel layer away from the second color steel layer, a connecting wedge is arranged between the first color steel layer and the steel keel, connecting holes are correspondingly arranged on the steel keel and the connecting wedge, connecting screws are inserted in the connecting holes, and the threaded end of the connecting screw is threadedly connected to the first color steel layer.

[0014] In order to better realize the utility model, further, a sleeve is pre-embedded inside the first color steel layer, a threaded hole is arranged inside the sleeve, and the threaded end of the connecting screw is threadedly matched with the corresponding threaded hole.

[0015] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0016] (1) The utility model forms an insulation structure by closely fitting a plurality of prefabricated polyurethane insulation parts inside the insulation cavity formed between the first color steel layer and the second color steel layer, replacing the structure of directly filling the polyurethane foaming agent in the insulation cavity, thereby reducing the construction cost and construction difficulty;

[0017] (2) The utility model installs a tensioning member through the joints of adjacent prefabricated polyurethane insulation parts, and arranges insulation boards at both ends of the tensioning member. The insulation boards at both ends are pulled toward each other by the tensioning member so that the insulation boards block and block the joints, thereby avoiding the formation of cold bridges at the joints, thereby effectively reducing the leakage of cold energy in the steel structure cold storage and ensuring the excellent insulation effect of the steel structure cold storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the prefabricated insulation structure for the exterior wall of a steel cold storage;

[0019] Figure 2 for Figure 1 A local enlarged view of point A;

[0020] Figure 3 for Figure 1 A partial enlarged view of point B;

[0021] Figure 4 is a schematic diagram of the first joint part;

[0022] Figure 5 Schematic diagram of the second joint part.

[0023] Among them: 1-first color steel layer; 2-second color steel layer; 3-prefabricated polyurethane insulation parts; 4-tension parts; 5-insulation boards; 6-nylon connectors; 7-steel keels; 8-connecting wedges; 9-sleeves; 001-first joint part; 002-second joint part; 111-first half groove; 222-second half groove. DETAILED DESCRIPTION

[0024] The following detailed descriptions are all illustrative and are intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0025] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the utility model explicitly states otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0026] For the convenience of description, if the words "up", "down", "left" and "right" appear in the present invention, they only indicate that they are consistent with the up, down, left and right directions of the drawings themselves, and do not limit the structure. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0027] Terminology explanation section: The terms "install", "connect", "connect", "fixed" and so on in the present utility model should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements, or an interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0028] Embodiment 1:

[0029] A prefabricated insulation structure for the outer wall of a steel cold storage in this embodiment, such as Figure 1 As shown, it includes a first color steel layer 1 and a second color steel layer 2, an insulation cavity is arranged between the first color steel layer 1 and the second color steel layer 2, and a plurality of prefabricated polyurethane insulation parts 3 are sequentially spliced ​​inside the insulation cavity, and a tensioning member 4 is arranged through the joints between adjacent prefabricated polyurethane insulation parts 3, and both ends of the tensioning member 4 extend to the outside of the joint and are respectively installed with insulation boards 5, and the insulation boards 5 cover the joints between adjacent prefabricated polyurethane insulation parts 3; at least one group of nylon connectors 6 is arranged through each prefabricated polyurethane insulation part 3, one end of the nylon connector 6 is connected to the first color steel layer 1, and the other end of the nylon connector 6 is connected to the second color steel layer 2.

[0030] The prefabricated polyurethane insulation parts 3 are prefabricated and formed by a prefabricated mold, and the prefabricated polyurethane insulation parts 3 are transported to the assembly site for splicing and assembly to form an integral insulation layer structure. In order to avoid the formation of cold bridges at the joints between adjacent prefabricated polyurethane insulation parts 3, a tensioning member 4 is installed through the joints between adjacent prefabricated polyurethane insulation parts 3, and the two ends of the tensioning member 4 extend to the outside of the joints toward both sides, and insulation boards 5 are installed at both ends of the tensioning member 4. The insulation boards 5 at both ends are pulled toward each other by the tensioning member 4, so that the insulation boards 5 can fit with the end faces at the joints of the prefabricated polyurethane insulation parts 3, and then the opening of the joints is blocked to prevent the formation of cold bridges. In addition, after the splicing and pulling of the prefabricated polyurethane insulation parts 3 are completed, the polyurethane foaming agent is filled in the gap between the joint and the tensioning member 4, so as to tightly connect the prefabricated polyurethane insulation parts 3 and further form a heat insulation structure in the gap between the joint and the tensioning member 4.

[0031] Then, the first color steel layer 1 and the second color steel layer 2 are installed on both sides of the integrally formed polyurethane insulation structure, and the first color steel layer 1, the polyurethane insulation structure, and the second color steel layer 2 are connected through a nylon connector 6 to form an insulation exterior wall, which can then be fixed to the steel structure keel 7.

[0032] Embodiment 2:

[0033] A prefabricated insulation structure for the exterior wall of a steel cold storage is improved on the basis of Example 1, wherein one end of the prefabricated polyurethane insulation component 3 is provided with a first joint portion 001, and the other end of the prefabricated polyurethane insulation component 3 is provided with a second joint portion 002 corresponding to the first joint portion 001, and adjacent prefabricated polyurethane insulation components 3 are connected by corresponding joints of the first joint portion 001 and the second joint portion 002. Figure 4 and Figure 5 As shown, the top of the prefabricated polyurethane thermal insulation component 3 is provided with a first splicing portion 001, and the bottom of the prefabricated polyurethane thermal insulation component 3 is provided with a second splicing portion 002. Adjacent prefabricated polyurethane thermal insulation components 3 are quickly spliced ​​together through the corresponding first splicing portions 001 and second splicing portions 002, and thus an integral polyurethane thermal insulation structure can be formed by quickly splicing several prefabricated polyurethane thermal insulation components 3.

[0034] Furthermore, the first splicing part 001 includes a first half groove 111, and the second splicing part 002 includes a second half groove 222. After the first splicing part 001 and the second splicing part 002 are spliced ​​together, the first half groove 111 and the second half groove 222 are spliced ​​together to form a pulling channel for the pulling member 4 to pass through; the first splicing part 001 includes a splicing groove, and the second splicing part 002 includes a splicing protrusion spliced ​​corresponding to the splicing groove.

[0035] like Figure 4 and Figure 5 As shown, the first half groove 111 is arranged in the middle of the top of the prefabricated polyurethane thermal insulation component 3, and two groups of splicing grooves are symmetrically arranged on the left and right sides of the first half groove 111. The second half groove 222 is arranged in the middle of the bottom of the prefabricated polyurethane thermal insulation component 3, and two groups of splicing protrusions are symmetrically arranged on the left and right sides of the second half groove 222. After the splicing grooves and the splicing protrusions are spliced ​​correspondingly, the splicing between the two adjacent prefabricated polyurethane thermal insulation components 3 is realized, and at the same time, the first half groove 111 and the second half groove 222 are spliced ​​to form a columnar pulling channel for the pulling member 4 to pass through, and the diameter of the pulling channel is larger than the diameter of the pulling member 4, so as to reserve a gap between the inner wall of the pulling channel and the pulling member 4 for the subsequent filling of the polyurethane foaming agent.

[0036] The other parts of this embodiment are the same as those of Embodiment 1, and thus will not be described in detail.

[0037] Embodiment 3:

[0038] A prefabricated insulation structure for the outer wall of a steel cold storage is improved on the basis of Embodiment 1 or 2, such as Figure 1 and Figure 2 As shown, the heat insulation board 5 blocks and blocks the end of the pulling channel, and a filling port connected to the pulling channel is provided on the heat insulation board 5. After the heat insulation boards 5 located at both ends of the pulling channel and in contact with the end faces are pulled and tightened toward each other by the pulling member 4, the polyurethane foaming agent can be filled into the pulling channel through the filling port on the heat insulation board 5, so that the polyurethane foaming agent fills the gap between the inner wall of the pulling channel and the pulling member 4, so that the adjacent prefabricated polyurethane insulation parts 3 form an integrated structure, which not only improves the stability, but also further ensures the thermal insulation performance of the polyurethane insulation structure.

[0039] Furthermore, a sealing member is provided between the contact surface of the heat insulation board 5 and the polyurethane heat insulation member 3, and a groove for installing the sealing member is provided on one side of the heat insulation board 5 close to the contact surface, and the sealing member is arranged in the groove. When the heat insulation board 5 is in contact with the contact surface, the sealing member is also in close contact with the contact surface, thereby achieving sealing between the heat insulation board 5 and the contact surface.

[0040] Furthermore, the tension member 4 includes tension bolts, and the heat insulation board 5 is provided with threaded holes connected with the tension bolts.

[0041] The other parts of this embodiment are the same as those of Embodiment 1 or 2, and thus will not be described in detail.

[0042] Embodiment 4:

[0043] A prefabricated insulation structure for the outer wall of a steel cold storage is improved on the basis of any one of embodiments 1-3, such as Figure 1 and Figure 3As shown, a steel keel 7 is provided on the side of the first color steel layer 1 away from the second color steel layer 2, a connecting wedge 8 is provided between the first color steel layer 1 and the steel keel 7, and connecting holes are provided on the steel keel 7 and the connecting wedge 8, and connecting screws are inserted in the connecting holes, and the threaded end of the connecting screw is threadedly connected to the first color steel layer 1. A sleeve 9 is pre-embedded inside the first color steel layer 1, and a threaded hole is provided inside the sleeve 9, and the threaded end of the connecting screw is threadedly matched with the threaded hole.

[0044] The sleeve 9 is made of polypropylene material, and is pre-embedded in the first color steel layer 1. One end of the sleeve 9 abuts against one end of the connecting wedge 8. The connecting wedge 8 is arranged between the first color steel layer 1 and the steel structure keel 7, and plays a role of transition connection. The steel structure keel 7 and the connecting wedge 8 are correspondingly provided with connecting holes, and the connecting screws pass through the connecting holes and cooperate with the threaded holes inside the sleeve 9 to connect the first color steel layer 1 and the steel structure keel 7.

[0045] The other parts of this embodiment are the same as any one of Embodiments 1-3, so they are not described again.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present invention fall within the protection scope of the present invention.

Claims

1. A prefabricated insulation structure for the exterior wall of a steel cold storage, comprising a first color steel layer (1) and a second color steel layer (2), wherein an insulation cavity is provided between the first color steel layer (1) and the second color steel layer (2), characterized in that: A plurality of prefabricated polyurethane thermal insulation parts (3) are sequentially spliced ​​inside the thermal insulation cavity, and a tensioning member (4) is provided through the joints between adjacent prefabricated polyurethane thermal insulation parts (3), and both ends of the tensioning member (4) extend to the outside of the joints and are provided with heat insulation boards (5), and the heat insulation boards (5) shield the joints between adjacent prefabricated polyurethane thermal insulation parts (3); at least one group of nylon connecting members (6) is provided through each prefabricated polyurethane thermal insulation part (3), one end of the nylon connecting member (6) is connected to the first color steel layer (1), and the other end of the nylon connecting member (6) is connected to the second color steel layer (2).

2. The prefabricated insulation structure for the outer wall of a steel cold storage according to claim 1 is characterized in that: One end of the prefabricated polyurethane thermal insulation component (3) is provided with a first splicing portion (001), and the other end of the prefabricated polyurethane thermal insulation component (3) is provided with a second splicing portion (002) spliced ​​correspondingly to the first splicing portion (001), and adjacent prefabricated polyurethane thermal insulation components (3) are connected by corresponding splicing of the first splicing portion (001) and the second splicing portion (002).

3. The prefabricated insulation structure for the outer wall of a steel cold storage according to claim 2 is characterized in that: The first joint portion (001) comprises a first half groove (111), and the second joint portion (002) comprises a second half groove (222). When the first joint portion (001) and the second joint portion (002) are joined together, the first half groove (111) and the second half groove (222) are joined together to form a tensioning channel for the tensioning member (4) to pass through.

4. The prefabricated insulation structure for the outer wall of a steel cold storage according to claim 3 is characterized in that: The first splicing portion (001) comprises a splicing groove, and the second splicing portion (002) comprises a splicing protrusion spliced ​​corresponding to the splicing groove.

5. The prefabricated insulation structure for the outer wall of a steel cold storage according to claim 4 is characterized in that: The heat insulation plate (5) blocks and blocks the end of the pulling channel, and a pouring port communicating with the pulling channel is provided on the heat insulation plate (5).

6. The prefabricated insulation structure for the outer wall of a steel cold storage according to claim 5 is characterized in that: A sealing member is provided between the contact surfaces of the heat insulation board (5) and the polyurethane heat insulation member (3).

7. A prefabricated insulation structure for the outer wall of a steel cold storage according to any one of claims 1 to 6, characterized in that: A steel keel (7) is arranged on a side of the first color steel layer (1) away from the second color steel layer (2), a connecting wedge (8) is arranged between the first color steel layer (1) and the steel keel (7), and connecting holes are correspondingly arranged on the steel keel (7) and the connecting wedge (8), and connecting screws are inserted into the connecting holes, and the threaded ends of the connecting screws are threadedly connected to the first color steel layer (1).

8. The prefabricated insulation structure for the outer wall of a steel cold storage according to claim 7 is characterized in that: A sleeve (9) is pre-embedded inside the first color steel layer (1), a threaded hole is provided inside the sleeve (9), and the threaded end of the connecting screw is threadably matched with the corresponding threaded hole.

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