Tunnel heat preservation door curtain

Abstract

The utility model belongs to the technical field of tunnel construction heat preservation, and aims to solve the problems that a tunnel portal is poor in heat preservation effect and vehicles are inconvenient to enter and exit. According to the tunnel heat preservation door curtain, a door curtain rail is laid in the length direction of a door top frame and connected with the side wall of the door top frame, and the door curtain rail is hung on a door-shaped frame at a tunnel portal; the door curtain hanging bracket is of a two-section type split structure divided by taking the door curtain track as the center and comprises a left door curtain hanging bracket body and a right door curtain hanging bracket body which are in sliding connection with the door curtain track and used for hanging heat preservation door curtains on the left side and the right side respectively. Wherein the left door curtain hanging bracket is connected with a door curtain upper connecting rod, and the right door curtain hanging bracket is connected with a door curtain lower connecting rod; the transmission mechanism can drive the left door curtain hanging bracket and the right door curtain hanging bracket to move back to back or move in the same direction at the same time so as to drive the heat preservation door curtains on the left side and the right side to be opened and closed. The device is good in heat preservation effect, vehicles can enter and exit conveniently, and convenient conditions can be provided for tunnel construction in the cold region.

Description

Technical Field

[0001] This utility model belongs to the field of tunnel construction insulation technology, specifically relating to a tunnel insulation curtain. Background Technology

[0002] Construction of tunnel projects in cold regions often faces severe weather and low temperatures, which can affect the performance of tunnel construction materials, leading to slower construction progress and poorer project quality. To ensure a suitable construction temperature inside the main tunnel, the existing technology mainly adopts the method of installing insulated doors. However, the structure of the installed insulated doors is simple, and they only seal the tunnel entrance with color steel insulation walls. The insulation effect is not good, and it is inconvenient for vehicles to enter and exit, so the construction conditions for tunnels in cold regions remain severe. Utility Model Content

[0003] In order to solve at least one of the above-mentioned technical problems in the prior art, this utility model provides a tunnel insulation curtain.

[0004] This utility model is achieved using the following technical solution: a tunnel insulation door curtain, comprising a top frame, a curtain track, a curtain hanger, an upper curtain connecting rod, a lower curtain connecting rod, and a transmission mechanism; the curtain track is laid along the length of the top frame and connected to its side wall, and is suspended on the door-shaped frame at the tunnel entrance; the curtain hanger is a two-section split structure divided by the center of the curtain track, including a left curtain hanger and a right curtain hanger that are slidably connected to the curtain track, respectively used to suspend the insulation door curtains on the left and right sides; wherein the upper curtain connecting rod is connected to the left curtain hanger, and the lower curtain connecting rod is connected to the right curtain hanger; the transmission mechanism can drive the left curtain hanger and the right curtain hanger to move in opposite directions or in the same direction simultaneously, so as to drive the insulation door curtains on the left and right sides to open and close.

[0005] Preferably, the transmission mechanism includes a reducer, a transmission chain, a driving sprocket, and a driven sprocket. The reducer motor is fixed to one side of the upper end of the top frame of the door. The driving sprocket and the driven sprocket are respectively located at the left and right ends of the top frame of the door and are driven by the transmission chain. The output shaft of the reducer motor is connected to the driving sprocket. The upper end of the upper connecting rod of the door curtain is connected to the upper part of the transmission chain, and the lower end of the lower connecting rod of the door curtain is connected to the lower part of the transmission chain.

[0006] Preferably, when the insulated door curtains on the left and right sides are closed, the upper connecting rod and the lower connecting rod of the door curtain abut against each other.

[0007] Preferably, the longitudinal section of the top frame of the door is an inverted U-shape, and the upper end of the top frame of the door is provided with a number of track connecting angle steels at intervals; the lower end of the door curtain track is provided with a sliding track, and the left and right ends of the door curtain track have flange connectors that connect to the door frame, and the upper end of the door curtain track is provided with a number of frame connecting angle steels at intervals, and the track connecting angle steels and the corresponding frame connecting angle steels are fixedly connected by bolts.

[0008] Preferably, the curtain hanger includes a track wheel connecting frame and a connecting rod connecting frame. The upper end of the track wheel connecting frame extends into the sliding track of the curtain track and is connected to the track wheel therein. The track wheel connecting frame and the connecting rod connecting frame are connected by bolts. The connecting rod connecting frame of the left curtain hanger is connected to the upper connecting rod of the curtain by bolts, and the connecting rod connecting frame of the right curtain hanger is connected to the lower connecting rod of the curtain by bolts.

[0009] Preferably, the reducer is connected to the top frame of the door via a reducer base, and the driven sprocket is connected to the top frame of the door via a driven connecting seat.

[0010] Preferably, the curtain track is a two-section split structure connected by a flange, and is respectively set with the left curtain hanger and the right curtain hanger.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] The transmission mechanism of this device can drive the left and right curtain hangers to move in opposite directions or in the same direction simultaneously, thereby opening and closing the insulated curtains on both sides. It provides excellent insulation and facilitates vehicle access, offering convenient conditions for tunnel construction in cold regions. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a three-dimensional structural diagram of this embodiment;

[0015] Figure 2 This is a schematic diagram of the overall structure installation of this embodiment;

[0016] Figure 3 This is the main view of the overall structure of this embodiment;

[0017] Figure 4 This is a side view of the overall structure of this embodiment;

[0018] Figure 5 This is a top view of the overall structure of this embodiment;

[0019] In the diagram: 1-Door top frame; 2-Door curtain track; 3-Door curtain hanger; 3.1-Track wheel connecting frame; 3.2-Link connecting frame; 4-Upper curtain connecting rod; 5-Lower curtain connecting rod; 6.1-Reducer; 6.2-Drive chain; 6.3-Drive sprocket; 6.4-Driven sprocket; 7-Track connecting angle steel; 8-Frame connecting angle steel; 9-Track wheel. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described in conjunction with the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0021] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should fall within the scope of the technical content disclosed in this utility model. It should be noted that in this specification, relational terms such as "first" and "second" are only used to distinguish one entity from several other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0022] This utility model provides an embodiment:

[0023] like Figures 1 to 5 As shown, a tunnel insulation door curtain includes a top frame 1, a door curtain track 2, a door curtain hanger 3, an upper door curtain connecting rod 4, a lower door curtain connecting rod 5, and a transmission mechanism. The door curtain track 2 is laid along the length of the top frame 1 and connected to its side wall, and is suspended on the door-shaped frame at the tunnel entrance. The door curtain hanger 3 is a two-section split structure divided by the center of the door curtain track, including a left door curtain hanger and a right door curtain hanger that are slidably connected to the door curtain track 2, which are used to suspend the insulation door curtains on the left and right sides respectively. The upper door curtain connecting rod 4 is connected to the left door curtain hanger, and the lower door curtain connecting rod 5 is connected to the right door curtain hanger. The transmission mechanism can drive the left and right door curtain hangers to move in opposite directions or in the same direction at the same time, so as to drive the insulation door curtains on the left and right sides to open and close.

[0024] In this embodiment, the longitudinal section of the top door frame 1 is inverted U-shaped, and several track connecting angle steels 7 are spaced apart at the upper end of the top door frame 1; the lower end of the curtain track 2 has a sliding track opening inward, and the left and right ends of the curtain track 2 have flange connectors that connect to the door frame, and several frame connecting angle steels 8 are spaced apart at the upper end of the curtain track 2. The track connecting angle steels 7 and the corresponding frame connecting angle steels 8 are fixedly connected by bolts. The curtain track 2 is a two-section split structure connected by flanges, and is respectively set with the left curtain hanger and the right curtain hanger. The reducer 6.1 is connected to the top door frame 1 through the reducer base, and the driven sprocket 6.4 is connected to the top door frame 1 through the driven connecting seat.

[0025] The curtain hanger includes a track wheel connecting frame 3.1 and a connecting rod connecting frame 3.2. The upper end of the track wheel connecting frame 3.1 extends into the sliding track of the curtain track 2 and is connected to the track wheel 9 therein. The track wheel connecting frame 3.1 and the connecting rod connecting frame 3.2 are connected by bolts. The connecting rod connecting frame 3.2 of the left curtain hanger is connected to the upper connecting rod 4 of the curtain by bolts, and the connecting rod connecting frame 3.2 of the right curtain hanger is connected to the lower connecting rod 5 of the curtain by bolts.

[0026] The transmission mechanism includes a reducer 6.1, a transmission chain 6.2, a drive sprocket 6.3, and a driven sprocket 6.4. The reducer motor is fixed to one side of the upper end of the top frame 1. The drive sprocket 6.3 and driven sprocket 6.4 are respectively located at the left and right ends of the top frame 1 and are driven by the transmission chain 6.2. The output shaft of the reducer motor is connected to the drive sprocket 6.3. The upper end of the upper curtain link 4 is connected to the upper part of the transmission chain 6.2, and the lower end of the lower curtain link 5 is connected to the lower part of the transmission chain 6.2. When the left and right insulated curtains are closed, the upper curtain link 4 and the lower curtain link 5 abut against each other.

[0027] Working principle:

[0028] When the left and right insulated door curtains are open, the reducer 6.1 rotates forward, driving the drive sprocket 6.3 to rotate, which in turn drives the transmission chain 6.2 to rotate. The upper connecting rod 4 of the door curtain connected to the upper chain of the transmission chain 6.2 and the lower connecting rod 5 of the door curtain connected to the lower chain of the transmission chain 6.2 move in opposite directions, causing the left and right door curtain hangers to move in opposite directions, thereby closing the left and right insulated door curtains suspended above, achieving the effect of tunnel insulation. The outer ends of the left and right insulated door curtains are connected to both sides of the tunnel entrance.

[0029] When the left and right insulated door curtains are closed, when a vehicle needs to enter the tunnel, the reducer 6.1 reverses, driving the drive sprocket 6.3 to rotate, which in turn drives the transmission chain 6.2 to rotate. The upper curtain connecting rod 4 connected to the upper part of the transmission chain 6.2 and the lower curtain connecting rod 5 connected to the lower part of the transmission chain 6.2 move in opposite directions, causing the left and right curtain hangers to move in opposite directions, thereby opening the left and right insulated door curtains suspended above.

[0030] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A tunnel insulation curtain, characterized in that: It includes a top frame (1), a curtain track (2), a curtain hanger (3), an upper curtain rod (4), a lower curtain rod (5), and a transmission mechanism; the curtain track (2) is laid along the length of the top frame (1) and connected to its side wall, and the curtain track (2) is suspended on the door frame at the tunnel entrance; the curtain hanger (3) is a two-section split structure divided by the center of the curtain track, including a left curtain hanger and a right curtain hanger that are slidably connected to the curtain track (2), which are used to suspend the insulated curtains on the left and right sides respectively; the upper curtain rod (4) is connected to the left curtain hanger, and the lower curtain rod (5) is connected to the right curtain hanger; the transmission mechanism can drive the left curtain hanger and the right curtain hanger to move in opposite directions or in the same direction at the same time, so as to drive the insulated curtains on the left and right sides to open and close; The transmission mechanism includes a reducer (6.1), a transmission chain (6.2), a drive sprocket (6.3), and a driven sprocket (6.4). The reducer motor is fixed on one side of the upper end of the top frame (1). The drive sprocket (6.3) and the driven sprocket (6.4) are respectively set at the left and right ends of the top frame (1) and are driven by the transmission chain (6.2). The output shaft of the reducer motor is connected to the drive sprocket (6.3). The upper end of the upper connecting rod (4) of the door curtain is connected to the upper chain of the transmission chain (6.2), and the lower end of the lower connecting rod (5) of the door curtain is connected to the lower chain of the transmission chain (6.2). The curtain hanger includes a track wheel connecting frame (3.1) and a connecting rod connecting frame (3.2). The upper end of the track wheel connecting frame (3.1) extends into the sliding track of the curtain track (2) and is connected to the track wheel (9). The track wheel connecting frame (3.1) and the connecting rod connecting frame (3.2) are connected by bolts. The connecting rod connecting frame (3.2) of the left curtain hanger is connected to the upper connecting rod (4) of the curtain by bolts, and the connecting rod connecting frame (3.2) of the right curtain hanger is connected to the lower connecting rod (5) of the curtain by bolts.

2. The tunnel insulation curtain according to claim 1, characterized in that: When the insulated door curtains on the left and right sides are closed, the upper connecting rod (4) and the lower connecting rod (5) of the door curtain come into contact.

3. The tunnel insulation curtain according to claim 1, characterized in that: The longitudinal section of the top frame (1) is an inverted U-shape, and the upper end of the top frame (1) is provided with several track connecting angle steels (7) at intervals; the lower end of the curtain track (2) is provided with a sliding track, and the left and right ends of the curtain track (2) have flange connectors that connect to the door frame. The upper end of the curtain track (2) is provided with several frame connecting angle steels (8) at intervals, and the track connecting angle steels (7) and the corresponding frame connecting angle steels (8) are fixedly connected by bolts.

4. A tunnel insulation curtain according to claim 1, characterized in that: The reducer (6.1) is connected to the top frame (1) via the reducer base, and the driven sprocket (6.4) is connected to the top frame (1) via the driven connecting seat.

5. A tunnel insulation curtain according to claim 1, characterized in that: The door curtain track (2) is a two-section split structure connected by a flange, and is respectively set with the left door curtain hanger and the right door curtain hanger.

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