Ground cold breaking structure for doorsill of cold storage
By installing a combination structure of crossbeams and vertical panels for insulation, a polyurethane insulation layer, and fixing components on the threshold floor of the cold storage, the problems of incomplete insulation and poor pressure resistance of the cold storage threshold floor are solved. This achieves a long-lasting and effective insulation effect and pressure resistance, prevents condensation and frost formation, and extends the service life of the cold storage.
Patent Information
- Application Number
- CN202520234951.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-14
AI Technical Summary
The existing cold bridge structure at the threshold of the cold storage has problems such as incomplete cooling and poor compressive strength, which leads to frequent operation and maintenance of the cold storage and makes the concrete floor prone to freeze-thaw.
The structure combines cold-resistant horizontal timbers and vertical panels, with polyurethane insulation and fixing components. It is secured with connecting bolts and T-shaped steel to increase compressive strength. Heating grooves are installed on the vertical panels to prevent condensation and frost. Corrosion-resistant fiberglass material is used to extend service life.
It achieves complete cooling insulation, improves the compressive strength of the cold storage threshold floor, reduces maintenance frequency, prevents condensation and frost, extends service life, and enhances structural stability and corrosion resistance.
Smart Images
Figure CN223755671U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a cold storage door threshold ground cold break structure and belongs to the technical field of cold storage heat preservation structure. BACKGROUND
[0002] In order to prevent the concrete of the ground of the cold storage from running cold or appearing dew, frost and ice at the door, a cold bridge is usually arranged under the door of the cold storage. The structure of the cold bridge in the prior art is to set a heat preservation layer under the ground of the door of the cold storage, so that the heat transfer of the cold storage door threshold is interrupted. However, the cold break of the existing cold bridge is not complete, or the cold break structure has poor compression resistance, so that problems usually appear within three months after the cold storage runs for a period of time, and the maintenance cycle is short. SUMMARY
[0003] The utility model solves the technical problem of providing a cold storage door threshold ground cold break structure, which can completely solve the cold leakage of the cold storage, has self-bearing compression resistance, and ensures that the cold break and heat preservation of the door part of the cold storage are effective during the operation of the cold storage, so as to prevent the concrete of the ground at the door of the cold storage from collapsing, accumulating water and bulging due to freezing and thawing.
[0004] To solve the above technical problems, the utility model provides the following technical scheme:
[0005] A cold storage door threshold ground cold break structure comprises a cold break structure arranged under a cold storage door, a heat preservation layer, a fixed layer and a fixed assembly arranged in sequence below the cold break structure, the fixed layer is used for covering and fixing the fixed assembly, the cold break structure comprises a plurality of cold break crossbars arranged in parallel and a cold break vertical plate group installed below the cold break crossbars, the fixed assembly is used for fixing the cold break vertical plate group, and the heat preservation layer is located between the fixed layer and the top surface of the cold break crossbar.
[0006] Further, the cold break vertical plate group comprises a plurality of main cold break vertical plates and support cold break vertical plates which are installed at intervals below the cold break crossbars, the number of the main cold break vertical plates is two, the number of the support cold break vertical plates is at least two, the spacing between the two main cold break vertical plates is matched with the wheelbase of a forklift entering and leaving the cold storage, and the support cold break vertical plates are uniformly spaced.
[0007] Further, the fixed assembly comprises a plurality of groups of fixed angle steels for installing the cold break vertical plate group, each group of fixed angle steels comprises two oppositely arranged L-shaped angle steels, each L-shaped angle steel comprises a vertical edge arranged vertically and a folded edge arranged transversely, the folded edge arranged transversely is installed on the ground through fixed expansion bolts, and the two oppositely arranged vertical edges are used for installing the main cold break vertical plates and the support cold break vertical plates.
[0008] Further, a plurality of connecting bolts are installed on the cold break crossbar, and the connecting bolts are used for fixedly connecting the cold break structure and the civil engineering steel concrete surface layer on the inner and outer sides of the cold storage door.
[0009] Further, the outer side long edges of the two cold break crossbars on both sides of the cold break structure are provided with T-shaped steel along the axial direction, one side of the horizontal plate of the T-shaped steel is above the cold break crossbar, and the other side of the horizontal plate of the T-shaped steel is above the civil engineering concrete surface.
[0010] Further, the upper part of the cold break crossbar and the support cold break vertical plate are provided with a groove in correspondence, and a heating groove is arranged in the groove.
[0011] Further, the upper part of the cold break crossbar and the support cold break vertical plate are provided with a groove in correspondence, and a heating groove is arranged in the groove.
[0012] Further, the thermal insulation layer is a polyurethane hard foam thermal insulation layer.
[0013] Further, the main cold break vertical plate and the support cold break vertical plate are arranged in parallel and spaced apart, and the longitudinal section of the main cold break vertical plate and the horizontal section of the cold break crossbar are perpendicular to each other.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] 1. The cold break crossbar and the cold break vertical plate group in the utility model can effectively bear and resist pressure, the thermal insulation layer can have good cold break effect, the utility model can not only prevent the cold running of the cold storage door ground, but also improve the pressure resistance of the cold storage door sill ground cold bridge construction, and reduce the maintenance frequency of the cold storage door sill in operation.
[0016] 2. The cold break vertical plates are arranged in parallel and fixed through the fixed angle steel, and the cold break crossbar is fixedly connected through the connecting bolt, so that the stability and the pressure resistance of the utility model are improved.
[0017] 3. The heating groove is arranged at the corresponding position below the cold storage door, so that the condensation, frosting and icing phenomena below the cold storage door can be effectively prevented, and the practicability of the utility model is improved.
[0018] 4. The spacing between the main cold break vertical plates is matched with the wheel spacing of the transport forklift, so that the pressure bearing reliability of the device is further improved.
[0019] 5. The cold break structure material is made of corrosion-resistant glass fiber material, the heat conductivity and the corrosion resistance are guaranteed, long-term use is facilitated, and the service life of the cold storage door cold break sill is greatly prolonged. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a whole structure schematic view of the embodiment one of the utility model;
[0021] Figure 2 is a structure schematic view of the cold break structure in the embodiment one of the utility model;
[0022] Figure 3 is a structure schematic view of the cold break structure in the embodiment one of the utility model;
[0023] Figure 4 is a position schematic view of the heat preservation layer in the embodiment one of the utility model;
[0024] Figure 5 is a section structure schematic view of the embodiment one of the utility model;
[0025] Figure 6 is a position schematic view of the heating groove in the embodiment two of the utility model; CONCRETE EMBODIMENT
[0026] The technical scheme in the embodiment of the utility model is clearly and completely described below in combination with the drawings in the embodiment of the utility model.
[0027] As shown in Figures 1 to 5 , the embodiment one is a cold storage door sill ground cold break structure, including the cold break structure arranged under the cold storage door, still including heat preservation layer 4, fixed layer 9 and the fixed assembly 8 for fixing the cold break structure in sequence below the cold break structure, the fixed layer 9 is used to cover and fix the fixed assembly 8.The cold break structure includes two parallel cold break crosspieces 7, the cold break vertical board group 6 spacedly installed below the cold break crosspiece 7, the cold break vertical board group 6 includes several main cold break vertical boards 61 and support cold break vertical boards 62 spacedly installed below the cold break crosspiece 7, the number of main cold break vertical boards 61 is two, and the number of support cold break vertical boards 62 is at least two.The heat preservation layer 4 is located between the fixed layer 9 and the top surface of the cold break crosspiece 7.
[0028] Specifically, the thickness of the main cold break vertical board 61 is greater than the thickness of the support cold break vertical board 62, and the spacing between the two main cold break vertical boards 61 corresponds to the wheelbase of the cold storage forklift, and several support cold break vertical boards 62 are evenly spaced below the cold break crosspiece 7, the main cold break vertical board 61 and the support cold break vertical board 62 are parallel to each other, and the longitudinal section of the main cold break vertical board 61 and the axial direction of the cold break crosspiece 7 are perpendicular to each other.The fixed assembly 8 includes several groups of fixed angle steels for installing the main cold break vertical board 61 and the support cold break vertical board 62.
[0029] Further, the cold break crosspiece 7 is provided with a plurality of connecting bolts 3, and the connecting bolts 3 are used to fixedly connect the cold break structure with the civil engineering steel concrete surface layer inside or outside the cold storage door.
[0030] Furthermore, T-shaped steel 5 is axially installed along the outer edges of the two cold-break crossbeams 7. The T-shaped steel 5 is used to connect the cold-break crossbeams 7 to the inner and outer reinforced concrete surface layers of the cold storage door. Specifically, one side of the horizontal plate of the T-shaped steel 5 is located above the outer long side of the cold-break crossbeam 7, and the other side of the horizontal plate of the T-shaped steel 5 is located above the reinforced concrete surface layer.
[0031] Furthermore, the cold-breaking crossbeam 7 and the insulation layer 4 are covered from bottom to top with a waterproof sealing layer and a nylon board 2, which can effectively prevent water from entering the insulation layer 4.
[0032] Specifically, the insulation layer 4 is a polyurethane insulation layer 4, and the nylon board 2 is a heat-resistant polymer nylon board 2, which is fixed to the heat-resistant structure by bolts.
[0033] Specifically, in this embodiment, each set of fixed angle steel includes two L-shaped angle steels with their vertical sides facing each other. Each L-shaped angle steel includes a vertically arranged vertical side and a horizontally arranged folded edge. The horizontally arranged folded edge is installed on the ground by fixing expansion bolts. The two vertically arranged opposite sides are used to install the main cooling plate 61 or the supporting cooling plate 62, and are fixed to the main cooling plate 61 or the supporting cooling plate 62 by self-tapping bolts.
[0034] Specifically, the installation steps of Embodiment 1 are as follows: At the threshold of the cold storage, the main cold-breaking upright plate 61 and the supporting cold-breaking upright plate 62 are fixedly installed using L-shaped angle steel. Concrete is then laid below the installed main cold-breaking upright plate 61 and supporting cold-breaking upright plate 62 as a fixing layer 9 to secure them. Next, cold-breaking crossbeams 7 are fixedly installed on both sides of the upper end of the main cold-breaking upright plate 61 and supporting cold-breaking upright plate 62, and connecting bolts 3 and T-shaped steel 5 are installed on the cold-breaking crossbeams 7. Polyurethane is filled between the cold-breaking structure and the fixing layer 9 as an insulation layer 4. Finally, a waterproof sealing layer is installed above the insulation layer 4 to prevent condensation from entering the insulation layer 4. A polymer nylon board 2 is then laid above the waterproof sealing layer and fixed to the cold-breaking structure with bolts. In this embodiment, the main cold-break vertical plate 61 is the main pressure-bearing part. The spacing between the two main cold-break vertical plates 61 corresponds to the wheelbase of the forklift entering and exiting the cold storage. The supporting cold-break vertical plates 62 are evenly spaced, which greatly enhances the load-bearing capacity of the cold-break structure while ensuring the polyurethane insulation ratio of this embodiment.
[0035] Example 2 is as follows: Figure 6 As shown, based on Embodiment 1, the cooling break structure includes three or more parallel cooling break crossbeams 7, two main cooling break vertical plates 61 installed below the cooling break crossbeams 7, and several supporting cooling break vertical plates 62.
[0036] The main cold break vertical plate 61 and the upper part of the supporting cold break vertical plate 62 are both provided with a groove corresponding to the axis of the cold break horizontal wood 7. A heating groove is installed on the groove, and the position of the heating groove is matched with the cold storage door. The heating groove is provided with an electric heating wire.
[0037] Specifically, the installation steps of the second embodiment are as follows: the main cold break vertical plate 61 and the supporting cold break vertical plate 62 are fixed and installed through L-shaped angle steel at the cold storage door sill, and the main cold break vertical plate 61 and the supporting cold break vertical plate 62 are fixed by laying concrete as a fixed layer 9 below the installed main cold break vertical plate 61 and the supporting cold break vertical plate 62, the cold break horizontal wood 7 is installed at the upper end of the main cold break vertical plate 61 and the supporting cold break vertical plate 62, and the connecting bolt 3 and the T-shaped steel 5 are respectively installed on the two outermost cold break horizontal woods 7. Then, the grooves are respectively opened on the main cold break vertical plate 61 and the supporting cold break vertical plate 62, and the heating grooves are installed on the grooves, and the electric heating wires are arranged in the heating grooves, so that the position of the heating grooves corresponds to the cold storage door. Then, the polyurethane is filled between the cold break structure and the fixed layer 9 as a thermal insulation layer 4. Finally, the waterproof sealing layer is arranged above the thermal insulation layer 4 to prevent condensed water from entering the thermal insulation layer 4, the high molecular nylon plate 2 is laid above the waterproof sealing layer, and the high molecular nylon plate 2 is fixed on the cold break structure by bolts.
[0038] Specifically, there are three cold break horizontal woods 7 in the embodiment, the middle cold break horizontal wood 7 and the inner cold break horizontal wood 7 are respectively arranged corresponding to the thermal insulation walls on both sides of the cold storage door, and the outer cold break horizontal wood 7 is located outside the cold storage door.
Claims
1. A cold storage door sill floor break structure, characterized in that: The application relates to a cold break structure arranged under a cold storage door, which comprises a heat preservation layer (4), a fixing layer (9) and a fixing assembly (8) arranged in sequence below the cold break structure, the fixing layer (9) is used for covering and fixing the fixing assembly (8), the cold break structure comprises a plurality of cold break crosspieces (7) arranged in parallel and a cold break vertical plate group (6) arranged below the cold break crosspieces (7), the fixing assembly (8) is used for fixing the cold break vertical plate group (6), and the heat preservation layer (4) is arranged between the fixing layer (9) and the top surface of the cold break crosspieces (7).
2. A cold storage door sill floor break structure as claimed in claim 1, characterized in that: The cold break vertical plate group (6) comprises a plurality of main cold break vertical plates (61) and support cold break vertical plates (62) arranged in intervals below the cold break crosspieces (7), the number of the main cold break vertical plates (61) is two, the number of the support cold break vertical plates (62) is at least two, the interval between the two main cold break vertical plates (61) is matched with the wheelbase of a forklift entering and leaving the cold storage, and the support cold break vertical plates (62) are uniformly spaced.
3. A cold storage door sill floor break structure as claimed in claim 2, characterized in that: The fixing assembly (8) comprises a plurality of groups of fixing angle steels used for fixing the cold break vertical plate group (6), each group of the fixing angle steels comprises two oppositely arranged L-shaped angle steels, each L-shaped angle steel comprises a vertical edge arranged vertically and a folded edge arranged transversely, the folded edge arranged transversely is arranged on the ground through fixing expansion bolts, and the two oppositely arranged vertical edges are used for fixing the main cold break vertical plates (61) and the support cold break vertical plates (62).
4. A cold store door sill floor break structure as claimed in claim 2 or 3, characterised in that: A plurality of connecting bolts (3) are arranged on the cold break crosspieces (7), and the connecting bolts (3) are used for fixedly connecting the cold break structure with a civil engineering steel concrete surface layer on the inner and outer sides of the cold storage door.
5. A cold store door sill floor break structure as claimed in claim 4, characterised in that: T-shaped steels (5) are arranged on the outer sides of the long edges of the two cold break crosspieces (7) along the axial direction, one side of the horizontal plates of the T-shaped steels (5) is located above the cold break crosspieces (7), and the other side of the horizontal plates of the T-shaped steels (5) is located above the civil engineering steel concrete surface layer.
6. A cold storage door sill floor break structure as claimed in claim 4, characterized in that: The upper part of the cold break crosspieces (7) and the heat preservation layer (4) is sequentially covered from bottom to top with a waterproof sealing layer and a nylon plate (2).
7. A cold storage door sill floor break structure as claimed in claim 4, wherein: Grooves are arranged on the upper parts of the main cold break vertical plates (61) and the support cold break vertical plates (62), heating grooves are arranged on the grooves, the axis of the heating grooves is parallel to the axis of the cold break crosspieces (7), the position of the heating grooves is matched with the cold storage door, and electric heating wires are arranged in the heating grooves.
8. A cold storage door sill floor break structure as claimed in claim 4, characterized in that: The heat preservation layer (4) is a polyurethane hard foam heat preservation layer (4).
9. A cold storage door sill floor break structure as claimed in claim 4, characterized in that: The main cold break vertical plates (61) and the support cold break vertical plates (62) are arranged in parallel and intervals, and the longitudinal section of the main cold break vertical plates (61) is perpendicular to the horizontal section of the axis of the cold break crosspieces (7).