Heat preservation roller shutter door structure for refrigeration house

Abstract

The heat preservation roller shutter door structure comprises a door frame and a roller shutter door body, a supporting frame and a guiding frame are arranged on the inner side of the door frame, the supporting frame is arranged on the ground of the door frame in a vertical state, the guiding frame is arranged on the top of the supporting frame in a horizontal state, and guide rails are arranged in the supporting frame and the guiding frame. The two sides of the roller shutter door body are slidably located in guide rails in the supporting frame. A driving mechanism is further arranged on the inner side of the door frame and located above the supporting frame, the roller shutter door body is connected with the driving mechanism, the roller shutter door body is driven by the driving mechanism to slide in the guide rails in the supporting frame and the guide frame, and opening and closing of the roller shutter door body are achieved. By the adoption of the roller shutter door structure, lifting of the door curtain is controlled in a storage mode, the door opening height can be adjusted and controlled, the requirement for vehicle access is met, meanwhile, cold air loss is effectively reduced, energy waste is avoided, and the purpose that slaughtered pork is refrigerated in a large refrigeration house can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to pig meat storage equipment technical field in slaughterhouse place, specifically, a kind of heat preservation roll-up door structure for cold store. BACKGROUND

[0002] It is known that, for large-scale live pig slaughterhouse, cold store needs to be configured, when live pig is slaughtered, if not timely transported out, in order to guarantee the freshness of pork, then the pork after slaughtering needs to be refrigerated.Cold store is also called refrigeration store, and it is the place for processing and storing products.In a broad sense, cold store is the building for achieving the temperature of fixed space by artificial refrigeration, mainly used for the constant temperature storage of food, dairy products, meat, aquatic products, poultry, fruits and vegetables, cold drinks, flowers and green plants and other products.Cold store door is an important component unit of cold store, in order to facilitate the transportation of refrigeration products, the opening size needs to be larger than the size of common roll-up door, therefore, it is very important to ensure the heat preservation performance of cold store.

[0003] At present, the structure commonly used for cold store door includes roll-up door and double-leaf door.For the common roll-up door structure, it is generally made of color steel plate, and the thickness is relatively thin, which leads to poor heat preservation effect, at the same time, the opening type of existing roll-up door mainly includes manual roll-up door and electric roll-up door, the manual roll-up door is balanced by the torsional spring force on the center shaft of roll-up door, to achieve the purpose of manually pulling the roll-up door, while the electric roll-up door is driven by special motor to rotate the center shaft of roll-up door, to achieve the opening and closing of roll-up door, and it automatically stops when rotating to the upper and lower limit set by motor.The double-leaf door structure is opened to both sides, and the opening amount of cold store door is the same each time, which will cause the loss of cold air, and easily cause energy waste.

[0004] Therefore, under the premise of meeting the transportation of vehicles, it is also necessary to achieve the purpose of refrigerating the pork after slaughtering in large-scale cold store, and it is necessary to improve the structure and roll-up mode of existing roll-up door, to provide a roll-up door structure with heat preservation. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem in the background art, and provides a roll-up door with simple structure and convenient operation, which can meet the entry and exit of large vehicles, reduce the loss of cold air by reducing the opening amount of cold store door, avoid energy waste, achieve the purpose of refrigerating the pork after slaughtering in large-scale cold store, specifically, a kind of heat preservation roll-up door structure for cold store.

[0006] To solve the above technical problems, the utility model adopts the technical scheme that a kind of heat preservation roller shutter door structure for cold storage, including door frame and roller shutter door body, support frame and guide frame are equipped in the door frame inner side, the support frame is arranged on the ground in vertical state at door frame, and the guide frame is arranged in horizontal state on the top of support frame away from the side of door frame, and guide rail that is matched with the roller shutter door body is equipped in the support frame and guide frame;The roller shutter door body is slid in the guide rail in the support frame on both sides;Drive mechanism is also equipped in the door frame inner side, and the drive mechanism is located above support frame, and the roller shutter door body is connected with drive mechanism, and the roller shutter door body is slid in the guide rail in support frame and guide frame by drive mechanism, and the opening and closing of the roller shutter door body are realized.

[0007] Further, the utility model discloses a kind of heat preservation roller shutter door structure for cold storage, the roller shutter door body includes door curtain, connecting piece, support piece and pulley assembly, the door curtain includes multiple curtain pieces, multiple the curtain piece is sequentially connected to constitute panel structure by connecting piece between, multiple pulley assembly corresponding with guide rail is equipped on both sides of door curtain, the door curtain is slidably connected with support frame and guide rail in pulley assembly, and support piece is also equipped on both sides of curtain piece at the bottom of door curtain, and the door curtain is connected with drive mechanism by support piece.

[0008] Further, the utility model discloses a kind of heat preservation roller shutter door structure for cold storage, support frame and guide frame are made of metal profile as integrated structure, and circular arc transition section is formed at its connecting place, the guide rail includes the inner guide rail and outer guide rail arranged in parallel, wherein the inner guide rail in the support frame is communicated with the inner guide rail in the guide frame, and the outer guide rail in the support frame is communicated with the outer guide rail in the guide frame;The curtain piece in the door curtain is located in outer guide rail, and pulley assembly is located in inner guide rail, and the roller shutter door body is slidably connected with guide rail in support frame and guide frame by pulley assembly.

[0009] Further, the utility model discloses a kind of heat preservation roller shutter door structure for cold storage, the curtain piece includes inner curtain piece, outer curtain piece and insulation layer, the insulation layer is arranged between inner curtain piece and outer curtain piece, the insulation layer is set as high-density sponge polyurethane insulation layer, and the inner curtain piece and outer curtain piece are all aluminum alloy panel layer or steel panel layer, the curtain piece is constituted as integrated panel structure by inner curtain piece, outer curtain piece and insulation layer;Pulley assembly is installed in the inner side surface of inner curtain piece, and support piece is installed in the left and right side surfaces of inner curtain piece at the bottom of door curtain, and the door curtain is connected with drive mechanism by support piece in the left and right side surfaces of inner curtain piece.

[0010] Further, the utility model discloses a kind of heat preservation rolling shutter door structures for cold storage, the height of curtain piece is 40-50cm, and two symmetrically arranged transparent observation windows are opened on the curtain piece located in the middle of door curtain;And the ground of cold storage is opened with the slot that the rolling shutter door body is matched.

[0011] Further, the utility model discloses a kind of heat preservation rolling shutter door structures for cold storage, the pulley assembly includes roller, connecting shaft and support block, the support block is fixed in the inner side of inner curtain piece, the roller is rotatably installed at the front end of connecting shaft, the rear end of connecting shaft is fixed in support block, and the roller is arranged in inner guide rail;The pulley assembly is slidably connected with the guide rail in support frame and guide frame by roller, and the rolling shutter door body is slid in the guide rail in support frame and guide frame by roller under the action of driving mechanism, to realize the opening and closing of rolling shutter door body.

[0012] Further, the utility model discloses a kind of heat preservation rolling shutter door structures for cold storage, the driving mechanism includes drive motor, rotating shaft, bearing seat, winding drum and steel wire rope, two parallelly arranged bearing seats are provided in the inner side top of door frame, the bearing seat is located above support frame, the rotating shaft is installed in bearing seat, the drive motor is installed outside one bearing seat, the output shaft of drive motor is connected with the rotating shaft extending to the outside of bearing seat, two winding drums are fixed in the rotating shaft, one steel wire rope is wound in two winding drums respectively, and the other end of steel wire rope is fixedly connected with the support member arranged on the both sides of curtain piece through support frame.

[0013] Further, the utility model discloses a kind of heat preservation rolling shutter door structures for cold storage, the driving mechanism further includes control cabinet, the control cabinet is installed on the ground near support frame side, and the control cabinet is electrically connected with drive motor.

[0014] Further, the utility model discloses a kind of heat preservation rolling shutter door structures for cold storage, and the drive motor is stepper motor;And the control cabinet includes multiple control buttons.

[0015] Further, the utility model discloses a kind of heat preservation rolling shutter door structures for cold storage, and multiple support rods are further provided in the guide frame, the upper end of multiple support rods is fixed in the top surface in cold storage, and the guide frame is fixed in the top of support frame away from door frame side in horizontal state by support rod.

[0016] The utility model relates to a kind of heat preservation roller shutter door structures for cold store, be driven under the action of driving motor by the drive mechanism configured, the steel wire rope wound in reel drives roller shutter door body to lift along support frame, is housed in guide frame after ascending, realize door height adjustment controllable, compared with double-leaf door structure, while ensuring access, can effectively reduce the loss of cold air, save energy;At the same time, since support frame is located in the inside of door frame, and the ground of cold store is provided with the slot of giving way to the roller shutter door body matched, by door frame and the slot of giving way, it can prevent the wind of outside along the gap between door curtain and ground into cold store to a certain extent, and further make the heat preservation performance of the door curtain more good;In addition, since door curtain includes multiple curtain pieces, multiple the curtain piece is sequentially connected to constitute door curtain by connecting piece, the curtain piece is integrated panel structure by inner curtain piece, outer curtain piece and heat preservation layer, using heat preservation layer, can further improve its heat preservation effect.

[0017] Therefore, the roller shutter door structure of the utility model, by improving existing roller shutter door, under the action of driving motor, take storage mode control door curtain lifting, realize door height adjustment controllable, while meeting vehicle access, effectively reduce the loss of cold air, avoid causing energy waste, its overall structure is simple, easy to operate, can meet the purpose of large cold store for refrigeration of slaughtered pork. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in detail in connection with the drawings.

[0019] Figure 1 It is the structure schematic diagram when the utility model is installed;

[0020] Figure 2 It is the structure schematic diagram when the roller shutter door body of the utility model is closed;

[0021] Figure 3 It is the structure schematic diagram when the roller shutter door body of the utility model is opened;

[0022] Figure 4 It is the structure schematic diagram of the installation position of the drive mechanism in the utility model;

[0023] Figure 5 It is the partial structure schematic diagram of door curtain in the utility model.

[0024] As shown in the figure: 1 - door frame, 2 - roller shutter body, 21 - curtain, 211 - inner curtain piece, 212 - outer curtain piece, 213 - thermal insulation layer, 214 - transparent observation window, 22 - connecting piece, 23 - support piece, 24 - roller, 25 - connecting shaft, 26 - support block, 3 - support frame, 4 - guide frame, 41 - support rod, 5 - guide rail, 51 - inner guide rail, 52 - outer guide rail, 6 - driving mechanism, 61 - driving motor, 62 - rotating shaft, 63 - bearing seat, 64 - winding drum, 65 - steel wire rope, 66 - control cabinet, 7 - accommodation groove. DETAILED DESCRIPTION

[0025] The implementation of the present application will be described by specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification.

[0026] It should be understood that the structure, proportion, size, etc. shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right" and the like used in the specification are only for easy understanding and description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the scope of the present application.

[0027] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "provided with" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] It should be noted that the term "includes" or any other variant is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Example 1

[0029] As Figures 1 to 5As shown, the embodiment provides a heat preservation roller shutter door structure for cold storage, which comprises a door frame 1 and a roller shutter door body 2, a support frame 3 and a guide frame 4 are arranged on the inner side of the door frame 1, the support frame 3 is arranged on the ground in a vertical state at the door frame 1, and the guide frame 4 is arranged on the top of the support frame 3 away from the door frame 1 in a horizontal state, and a guide rail 5 matched with the roller shutter door body 2 is arranged in the support frame 3 and the guide frame 4; the roller shutter door body 2 is slidably arranged in the guide rail 5 in the support frame 3 on both sides; a driving mechanism 6 is further arranged on the inner side of the door frame 1, the driving mechanism 6 is located above the support frame 3, the roller shutter door body 2 is connected with the driving mechanism 6, the roller shutter door body 2 is driven to slide in the guide rail 5 in the support frame 3 and the guide frame 4 by the driving mechanism 6, and the opening and closing of the roller shutter door body 2 is realized. Wherein, the roller shutter door body 2 comprises a door curtain 21, a connecting piece 22, a supporting piece 23 and a pulley assembly, the door curtain 21 comprises a plurality of curtain pieces, the plurality of curtain pieces are sequentially connected by the connecting piece 22 to form a panel structure, a plurality of pulley assemblies corresponding to the guide rail 5 are arranged on both sides of the door curtain 21, the door curtain 21 is slidably connected with the guide rail in the support frame 3 and the guide frame 4 through the pulley assembly, and the supporting piece 23 is further arranged on both sides of the curtain piece at the bottom of the door curtain 21, and the door curtain 21 is connected with the driving mechanism through the supporting piece 23. The pulley assembly comprises a roller 24, a connecting shaft 25 and a supporting block 26, the supporting block 26 is fixed to the inner side of the inner curtain piece 211, the roller 24 is rotatably arranged at the front end of the connecting shaft 25, the rear end of the connecting shaft 25 is fixed to the supporting block 26, and the roller 24 is arranged in the inner guide rail 51; the pulley assembly is slidably connected with the guide rail 5 in the support frame 3 and the guide frame 4 through the roller 24, and the roller shutter door body 2 is driven to slide in the guide rail 5 in the support frame 3 and the guide frame 4 by the driving mechanism 6 through the roller 24, so as to realize the opening and closing of the roller shutter door body 2.

[0030] Further, the support frame 3 and the guide frame 4 are made of metal profiles as an integral structure, and a circular arc transition section is formed at the connection thereof, the guide rail 5 comprises parallel arranged inner guide rail 51 and outer guide rail 52, wherein the inner guide rail 51 in the support frame 3 is communicated with the inner guide rail 51 in the guide frame 4, and the outer guide rail 52 in the support frame 3 is communicated with the outer guide rail 52 in the guide frame 4; the curtain piece in the door curtain 21 is located in the outer guide rail 52, and the pulley assembly is located in the inner guide rail 51, and the roller shutter door body 2 is slidably connected with the guide rail 5 in the support frame 3 and the guide frame 4 through the pulley assembly. At the same time, in order to improve the stability of the guide frame 4, a plurality of supporting rods 41 are further arranged in the guide frame 4, the upper ends of the plurality of supporting rods 41 are fixed to the inner top surface of the cold storage, and the guide frame 4 is fixed to the top of the support frame 3 away from the door frame 1 in a horizontal state through the supporting rods 41.

[0031] Further, the drive mechanism 6 comprises a driving motor 61, a rotating shaft 62, a bearing seat 63, a winding drum 64 and a steel wire rope 65. Two bearing seats 63 are arranged in parallel on the inner top of the door frame 1 and above the support frame 3. The rotating shaft 62 is installed in the bearing seat 63. The driving motor 61 is installed outside one of the bearing seats 63. The output shaft of the driving motor 61 is connected with the rotating shaft 62 extending outside the bearing seat 63. Two winding drums 64 are fixed in the rotating shaft 62. One steel wire rope 65 is wound around each of the winding drums 64. The other end of the steel wire rope 65 is fixedly connected with the support member 23 arranged on both sides of the curtain piece through the support frame 3.

[0032] Further, the drive mechanism 6 further comprises a control cabinet 66 for facilitating operation. The control cabinet is installed on the ground near the support frame 3. The control cabinet 66 is electrically connected with the driving motor 61. The driving motor 61 is a stepping motor. The control cabinet 66 comprises a plurality of control buttons. Embodiment 2

[0033] In this embodiment, the curtain piece comprises an inner curtain piece 211, an outer curtain piece 212 and a thermal insulation layer 213. The thermal insulation layer 213 is arranged between the inner curtain piece 211 and the outer curtain piece 212. The thermal insulation layer 213 is a high-density sponge polyurethane thermal insulation layer. The inner curtain piece 211 and the outer curtain piece 212 are both aluminum alloy panel layers or steel panel layers. The curtain piece is integrated into a one-piece panel structure by the inner curtain piece 211, the outer curtain piece 212 and the thermal insulation layer 213. The pulley assembly is installed in the inner side surface of the inner curtain piece 211. The support member 23 is installed in the left and right side surfaces of the inner curtain piece 211 at the bottom of the door curtain 21. The door curtain 21 is connected with the driving mechanism 6 through the support members 23 arranged on the left and right side surfaces of the inner curtain piece 211.

[0034] Further, the height of the curtain piece is 40-50 cm. Two symmetrically arranged transparent observation windows 214 are formed in the curtain piece at the middle of the door curtain 21. A gap 7 matching with the rolling shutter door body 2 is formed in the ground of the cold storage.

[0035] The utility model discloses a kind of heat preservation roller shutter door structures for cold store, by the drive mechanism 6 configured, under the action of driving motor 61, by winding in reel 64 Steel wire rope 65 drive roller shutter door body 2 along support frame 3 is lifted, after ascending, it is housed in guide frame 4, realize door height adjustment controllable, compared with double-leaf door structure, while ensuring access, can effectively reduce the loss of cold air, energy saving;At the same time, since support frame 3 is located in the inside of door frame 1, and let go of slot 7 matched with the roller shutter door body 2 is opened in the ground of cold store, through door frame 1 and let go of slot 7, wind from the gap between door curtain 21 and ground into cold store to some extent can be prevented, and then make the heat preservation performance of the door curtain 21 more good;In addition, since door curtain 21 includes multiple curtain pieces, multiple the curtain piece is sequentially connected by connecting piece 22 and constitutes panel structure between, the curtain piece is by inner curtain piece 211, outer curtain piece 212 and heat preservation layer 213 and constitutes integrated panel structure, using heat preservation layer 213, can further improve its heat preservation effect.

[0036] The utility model discloses a kind of roller shutter door structures, its working principle is as follows: operator can control the working state of driving motor 61 by controlling multiple control buttons in control cabinet 66, utilize steel wire rope 65 drive roller shutter door body 2 along support frame 3 is lifted, to realize the opening and closing of roller shutter door body 2, its ascending height can be controlled according to the height of access vehicle, without opening the entire roller shutter door body 2, while ensuring vehicle access, can effectively reduce the loss of cold air.

[0037] As above, using the roller shutter door structure of the utility model, by improving existing roller shutter door, under the action of driving motor 61, take housing mode control door curtain 21 lifting, realize door height adjustment controllable, while meeting vehicle access, effectively reduce the loss of cold air, avoid causing energy waste, its overall structure is simple, easy to operate, can meet the purpose of large cold store for refrigeration of slaughtered pork.

[0038] Using the roller shutter door structure of the utility model, driving motor 61 and control cabinet 66 in the drive mechanism 6, both belong to the common equipment in prior art, thus not be described in detail in this specification, other not detailed of the utility model are conventional technology known to those skilled in the art.

[0039] The protective scope of the utility model is not only limited to the technical scheme disclosed in specific embodiment, and the above-mentioned is only the preferred embodiment of the utility model, and not limit the utility model, any slight modification, equivalent replacement and improvement according to the technical scheme of the utility model should be contained in the protection scope of the technical scheme of the utility model.

Claims

1. A thermal curtain door structure for cold stores, comprising a door frame (1) and a curtain door body (2), characterized in that: The support frame (3) is arranged on the ground in a vertical state at the door frame (1), and the guide frame (4) is arranged on the top of the support frame (3) away from the door frame (1) in a horizontal state, and the guide rails (5) matched with the roller shutter door body (2) are arranged in the support frame (3) and the guide frame (4); the roller shutter door body (2) is slidably arranged in the guide rails (5) in the support frame (3) on both sides; the driving mechanism (6) is further arranged on the inside of the door frame (1), and the driving mechanism (6) is located above the support frame (3); the roller shutter door body (2) is connected with the driving mechanism (6), and the roller shutter door body (2) is driven to slide in the guide rails (5) in the support frame (3) and the guide frame (4) by the driving mechanism (6), so as to realize the opening and closing of the roller shutter door body (2).

2. The structure of the thermal insulation rolling door for cold storage according to claim 1, characterized in that: The roller shutter door body (2) comprises a door curtain (21), a connecting piece (22), a supporting piece (23) and a pulley assembly, the door curtain (21) comprises a plurality of curtain pieces, the plurality of curtain pieces are sequentially connected by the connecting piece (22) to form a panel structure, a plurality of pulley assemblies corresponding to the guide rails (5) are arranged on both sides of the door curtain (21), the door curtain (21) is slidably connected with the guide rails in the support frame (3) and the guide frame (4) through the pulley assemblies, and the supporting pieces (23) are further arranged on both sides of the curtain pieces at the bottom of the door curtain (21), and the door curtain (21) is connected with the driving mechanism through the supporting pieces (23).

3. The insulation roller shutter door structure for cold stores according to claim 2, characterized in that: The support frame (3) and the guide frame (4) are integrally formed by metal profiles, and a circular arc transition section is formed at the connection position of the support frame (3) and the guide frame (4), the guide rails (5) comprise parallelly arranged inner guide rails (51) and outer guide rails (52), the inner guide rails (51) in the support frame (3) are communicated with the inner guide rails (51) in the guide frame (4), and the outer guide rails (52) in the support frame (3) are communicated with the outer guide rails (52) in the guide frame (4); the curtain pieces in the door curtain (21) are located in the outer guide rails (52), and the pulley assemblies are located in the inner guide rails (51), and the roller shutter door body (2) is slidably connected with the guide rails (5) in the support frame (3) and the guide frame (4) through the pulley assemblies.

4. The insulation roller shutter door structure for cold stores according to claim 3, characterized in that: The curtain piece comprises an inner curtain piece (211), an outer curtain piece (212) and a thermal insulation layer (213), the thermal insulation layer (213) is arranged between the inner curtain piece (211) and the outer curtain piece (212), the thermal insulation layer (213) is a high-density sponge polyurethane thermal insulation layer, the inner curtain piece (211) and the outer curtain piece (212) are both aluminum alloy panel layers or steel panel layers, and the curtain piece is formed into an integrated panel structure through the inner curtain piece (211), the outer curtain piece (212) and the thermal insulation layer (213); the pulley assembly is installed in the inner side surface of the inner curtain piece (211), and the supporting pieces (23) are installed in the left and right side surfaces of the inner curtain piece (211) at the bottom of the door curtain (21), and the door curtain (21) is connected with the driving mechanism (6) through the supporting pieces (23) on the left and right side surfaces of the inner curtain piece (211).

5. The insulation roller shutter door structure for cold stores according to claim 4, characterized in that: The curtain piece has a height of 40-50 cm, and two symmetrically arranged transparent observation windows (214) are arranged on the curtain piece located at the middle of the door curtain (21); and a leaving slot (7) matched with the roller shutter door body (2) is arranged on the ground of the cold storage.

6. The insulation roller shutter door structure for cold stores according to claim 4, characterized in that: The pulley assembly comprises a roller (24), a connecting shaft (25) and a supporting block (26), the supporting block (26) is fixed to the inner side of the inner curtain piece (211), the roller (24) is rotatably installed at the front end of the connecting shaft (25), the rear end of the connecting shaft (25) is fixed in the supporting block (26), and the roller (24) is arranged in the inner guide rail (51); the pulley assembly is slidably connected with the guide rail (5) in the supporting frame (3) and the guide frame (4) through the roller (24), and the roller shutter door body (2) slides in the guide rail (5) in the supporting frame (3) and the guide frame (4) under the action of the driving mechanism (6), so that the opening and closing of the roller shutter door body (2) is realized.

7. The insulation roller shutter door structure for cold stores according to claim 6, characterized in that: The driving mechanism (6) comprises a driving motor (61), a rotating shaft (62), a bearing seat (63), a winding drum (64) and a steel wire rope (65), two parallel bearing seats (63) are arranged at the top of the inner side of the door frame (1), the bearing seats (63) are located above the supporting frame (3), the rotating shaft (62) is installed in the bearing seat (63), the driving motor (61) is installed outside one of the bearing seats (63), the output shaft of the driving motor (61) is connected with the rotating shaft (62) extending to the outside of the bearing seat (63), two winding drums (64) are fixed in the rotating shaft (62), and one steel wire rope (65) is wound around each of the winding drums (64), and the other end of the steel wire rope (65) is fixedly connected with the supporting member (23) arranged on both sides of the curtain piece through the supporting frame (3).

8. The insulation roller shutter door structure for cold stores according to claim 7, characterized in that: The driving mechanism (6) further comprises a control cabinet (66), the control cabinet is installed on the ground close to one side of the supporting frame (3), and the control cabinet (66) is electrically connected with the driving motor (61).

9. The insulation roller shutter door structure for cold stores according to claim 8, characterized in that: The driving motor (61) is a stepping motor, and the control cabinet (66) comprises a plurality of control buttons.

10. The insulation roller shutter door structure for cold storage according to claim 1, characterized in that: A plurality of supporting rods (41) are further arranged in the guide frame (4), the upper ends of the supporting rods (41) are fixed to the top surface in the cold storage, and the guide frame (4) is fixed in a horizontal state on the top of the supporting frame (3) away from the door frame (1) through the supporting rods (41).

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