CN218563535U - Amplitude modulation type door seal - Google Patents
Amplitude modulation type door seal Download PDFInfo
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- CN218563535U CN218563535U CN202221129871.XU CN202221129871U CN218563535U CN 218563535 U CN218563535 U CN 218563535U CN 202221129871 U CN202221129871 U CN 202221129871U CN 218563535 U CN218563535 U CN 218563535U
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Abstract
The utility model relates to an amplitude modulation formula door of warehouse seals suitable for have special requirements to the leakproofness of warehouse business turn over goods mouth, include: the enclosure insulation boards and the top enclosure insulation board are arranged on two sides of the periphery of the warehouse door frame; the top sealing curtain is arranged below the top enclosure heat-insulation plate, and the two side sealing plates which are arranged on the two side enclosure heat-insulation plates and can laterally move in parallel are arranged, and the top sealing curtain and the two side sealing plates are linked through a curtain rolling mechanism. When the van is used for unloading at the door of the warehouse, the height and the width of the door seal can be adjusted through the amplitude-modulation door seal to be connected with the van body of the van, so that a closed loading and unloading channel is formed, the indoor and outdoor communication is prevented, the pollution of the external environment in the warehouse is avoided, and the cold and heat exchange between the inside and the outside of the warehouse is also reduced.
Description
Technical Field
The utility model relates to a current mouthful technical field of logistics storage loading and unloading particularly, relates to an amplitude modulation formula door of warehouse is sealed that is applicable to cold chain logistics warehouse, constant temperature warehouse, freezer, food medicine system or has special requirements to the leakproofness of warehouse business turn over goods mouth.
Background
The traditional door seal with sponge cushion, mechanical door seal and inflatable door seal for sealing the loading and unloading doorway of the warehouse goods and the tail part of the van vehicle has the following defects: (1) The sponge cushion type door seal has fixed width and can not be adjusted, so that the sponge cushion type door seal is suitable for vehicles of a single type; (2) mechanical door seal, which cannot be adjusted and has poor sealing performance; (3) The inflatable door seal has the advantages that the airbag is easily scratched by a vehicle, the airbag needs to be continuously inflated during operation, and the energy consumption is high.
Because the traditional product is not sealed well around the gate and causes the high energy consumption of indoor and outdoor cold and heat exchange or equipment itself when loading and unloading operation, the inside of the warehouse is influenced by the outdoor environment and can not guarantee the requirement of cleanliness, so that the operation and management cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an amplitude modulation formula door seals when van unloads the operation at the warehouse gate, can pass through amplitude modulation formula door seals the height and the width that adjust the door and seal and the railway carriage or compartment body of van meets to form an inclosed loading and unloading goods passageway, prevent that indoor outer communicating with each other, avoid in the warehouse by external environment pollution, also reduce the inside and outside cold and hot exchange in warehouse.
The purpose of the utility model is realized like this:
the utility model provides an amplitude modulation formula door seals, is applicable to the warehouse that requires highly to warehouse loading and unloading mouth heat preservation leakproofness, includes: the building enclosure heat-preservation plate comprises an outer frame structure of an enclosure heat-preservation plate, a top sealing curtain and two-side contraction sealing assemblies, wherein the top sealing curtain and the two-side contraction sealing assemblies are linked through a curtain rolling mechanism.
The outer frame construction of envelope heated board includes: the warehouse door frame is characterized by comprising an enclosure insulation board and a top enclosure insulation board which are arranged on two peripheral sides of a warehouse door frame, wherein a translation sliding rail with a horizontal rail is arranged below the top enclosure insulation board, and translation pulleys are arranged in the translation sliding rail.
The top sealing curtain, its upper end is fixed in the below of a roll curtain mechanism and is set up the below of heated board is enclosed at the top, roll up the curtain mechanism and include: the roller shutter comprises a roller shaft, two bearings, a supporting plate and a fixing frame, wherein the supporting plate is located below the roller shaft, the two bearings are fixed on the supporting plate, the upper end of a top sealing curtain is fixed on two sides of the supporting plate, a belt is arranged inside the top sealing curtain, one end of the belt is fixed on the roller shaft, the other end of the belt penetrates through the supporting plate and is fixed on a counterweight structure, the counterweight structure is fixed below the top sealing curtain, the roller shutter mechanism is connected with the belt of the top sealing curtain and is rolled up and released through control, and the belt is achieved through rising and falling adjustment of the top sealing curtain.
The two side shrink seal assembly, each side shrink seal assembly includes: one side sealing shrink plate, a translation vertical rail and one side counterweight system. The translation vertical rail and the side counterweight system are arranged in the side sealing contraction plate, the translation vertical rail is connected to the side protection heat insulation plate corresponding to the translation vertical rail, and the top end of the translation vertical rail is connected with the translation pulley arranged in the translation sliding rail, so that the translation vertical rail can move in parallel along the lateral direction of the plane where the warehouse door frame is located, and the translation vertical rail can drive the side sealing contraction plate to contract or expand in parallel along the lateral direction of the plane where the warehouse door frame is located.
Wherein each said side weighting system comprises: the counterweight steel cable comprises a counterweight steel plate, a pulley block, a support rod, a counterweight steel cable and a buffer tension spring, wherein the pulley block comprises an upper end pulley block and a lower end pulley block which are respectively installed at the upper end and the lower end of the counterweight steel plate, the upper end pulley block and the lower end pulley block are respectively installed in the translation vertical rail, one end of the support rod is movably connected with the counterweight steel plate, the other end of the support rod is movably connected with the side enclosure insulation board at the same side of the support rod, one end of the counterweight steel cable is connected to the roller shutter mechanism, the other end of the counterweight steel cable is connected with the buffer tension spring through a fixed pulley arranged on the counterweight steel plate at the same side of the support rod, so that redundant counterweight steel cables are in a tensioned state when the top sealing curtain descends to the lowest position, a positioning nylon block is arranged above the buffer tension spring to ensure that the two side sealing contraction plates are correspondingly retracted or released when the top sealing curtain ascends or descends, and the bottom of the tension spring is fixed at the lower position in the translation vertical rail; the side weight system is released when the weighted steel cable is released by the roller shade mechanism such that the translating vertical rail translates inward on the driven side of the side weight system.
When the equipment is in an initial state, the curtain rolling mechanism tightens a belt of the top sealing curtain to fold the top sealing curtain at the highest position, at the moment, the counterweight steel cables are tightened to tighten the two side sealing contraction plates and the top sealing curtain, and at the moment, the amplitude-modulation type door sealing opening is opened to the maximum size; the van vehicle is correctly poured into a loading and unloading position and is stopped stably; rotating the roller shutter mechanism to enable the top sealing shutter to descend, simultaneously releasing a counterweight steel cable connected to the roller shutter mechanism, enabling the counterweight system to freely fall under the action of gravity to enable the translation vertical rail to automatically move in the lateral direction to be close to the middle, and enabling the sealing contraction plates at two sides to be tightly attached to a carriage; meanwhile, the top roller shutter mechanism continuously descends the top sealing shutter to the top of the carriage to form a closed loading and unloading channel, the two independent counterweight systems and the buffer tension springs can realize that the sealing contraction plates connected with the translation vertical rails on the two sides are respectively attached to the carriage when attached to the side carriage body of the truck, the side sealing contraction plates are free extrusion type sealing for the side carriage body of the truck, and loading and unloading operation can be carried out at the moment; after the loading and unloading operation is finished, the roller shutter mechanism is rotated reversely to pull the top sealing shutter to the highest position, the counterweight steel cable is tensioned before the top sealing shutter is pulled to the highest position, so that the two side sealing contraction plates and the top sealing shutter are tightened, the amplitude-modulated door sealing inlet is opened to the maximum size, and the equipment returns to the initial state.
The utility model provides an amplitude modulation formula door seals owing to adopt above-mentioned technical scheme, when van unloads the operation at the warehouse gate, can pass through amplitude modulation formula door seals the height and the width that adjust the door and seal and meet with van's the railway carriage or compartment body to form an inclosed loading and unloading goods passageway, prevent that indoor outer communicating with each other, avoid in the warehouse by external environmental pollution, also reduce the inside and outside cold and hot exchange in warehouse. The lateral translation stroke of the two side sealing contraction plates, the adjustment stroke difference of the top sealing curtain and the distance deviation generated when the van stops can be adjusted in a free extrusion mode through two independent counterweight systems and the buffer tension spring. Alternatively, the free travel of the weighted wire rope can be lengthened. The free stroke of the buffer tension spring matched with the lengthened counterweight steel cable ensures that the top sealing curtain is synchronously tensioned when tightened, the side sealing contraction plates synchronously release the counterweight steel cables of the sealing plates on the two sides when the top rolling mechanism releases the top sealing curtain, and the parking position deviation and the size deviation of the van are automatically adjusted. The utility model provides an amplitude modulation formula door seals, but both sides seal shrink board adjustable range is big, can be suitable for the van of different specifications size to seal.
Preferably, two ends of the roller shutter mechanism are respectively provided with a steel cable roller; one end of each counterweight steel cable is connected to the corresponding steel cable winding wheel of the rolling curtain mechanism, and the other end of each counterweight steel cable is connected with the buffer tension spring through the fixed pulley on the counterweight steel plate.
Further, the roller blind mechanism is connected to an electric switch and/or a manual switch, by which the roller blind mechanism can be rotated electrically or manually so that it releases or tightens the weighted steel cables, simultaneously tightening or releasing the weighted system in the translating vertical rails in the event of rotation of the roller blind mechanism, enabling the linkage of the top sealing blind with the two-sided retractable sealing assembly.
Further, in order to improve the product quality stability of the amplitude modulation type door seal and facilitate reducing the maintenance cost, preferably, the side sealing contraction plate comprises: the side curtain comprises a side sealing plate and a side curtain which can be changed in a contraction state and an expansion state, wherein the translation vertical rail and the side counterweight system are arranged in the side curtain, one side of the translation vertical rail is connected to the side sealing plate, the other side of the translation vertical rail is connected to the corresponding side protection heat insulation plate, and two sides of the side curtain are respectively connected with the side sealing plate and the side protection heat insulation plate to form an integral closed surface structure.
Preferably, the amplitude modulation type dock seal further comprises: the electric system is used for providing kinetic energy for the roller shutter mechanism; and a travel switch for positioning a desired height for lifting the top sealing curtain; the roller shutter mechanism is electrically connected with the electric system and the travel switch.
In practical application, the maximum distance between the two side sealing plates can be 2900mm, and the distance between the two side sealing plates can be adjusted between 1700mm and 2900 mm; the distance between the top sealing curtain and the floor of the warehouse platform can be designed to be 3250mm, and the distance between the top sealing curtain and the floor of the warehouse platform is configured to be adjustable between 1300mm and 3250 mm.
When the two side sealing plates and the top sealing curtain are tightly attached to the carriage body to form a closed loading and unloading channel, the top sealing curtain is tightly attached to the two side sealing plates and is positioned in front of the side sealing curtains.
The side retractable curtain is connected to the corresponding side enclosing and heat insulation plate through a bidirectional spring hinge.
Further, a curtain wind-resistant cover is further arranged at the upper portion of the top sealing curtain, and when the top sealing curtain is in a retracted state, the curtain wind-resistant cover can be used for shielding the top sealing curtain in the retracted state.
Drawings
Further advantages and features of the invention are illustrated by the following description of an embodiment of the invention, given by way of example and not by way of limitation, with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of a preferred embodiment of the amplitude modulated dock seal of the present invention, showing only a partial top sealing curtain to better represent the structure of the side retracting seal assembly.
Fig. 2 is an exploded view of the embodiment shown in fig. 1.
Fig. 3 is a schematic front view of the embodiment shown in fig. 1, when the apparatus is in an initial state.
Fig. 4 is a schematic front view of the embodiment shown in fig. 1, when the device is in a changed state.
Fig. 5 is a schematic front structural view of the embodiment shown in fig. 1, where the device is in a retracted state, that is, the device is in an initial state, the distance between the sealing plates on the two sides is the largest, and the top sealing curtain is retracted to the highest position.
Fig. 6 is a schematic front view of the embodiment shown in fig. 1, when the apparatus is in a fully deployed state, the distance between the sealing plates at two sides is 1700mm, and the distance between the top sealing curtain and the terrace of the platform is 1300mm.
Detailed Description
An amplitude modulation formula door seals is applicable to the warehouse that requires high to warehouse loading and unloading mouth heat preservation leakproofness, includes: the outer frame structure of the enclosure insulation board, the top sealing curtain and the two-side contraction sealing components are linked through a curtain rolling mechanism.
The specific structure of a preferred embodiment of the amplitude modulated dock seal of the present invention is described below in conjunction with fig. 1-6.
Outer frame construction of envelope heated board includes: the warehouse door frame is characterized in that the enclosure insulation boards 1 and the top enclosure insulation board 2 are arranged on two peripheral sides of the warehouse door frame, a translation slide rail 10 with a horizontal rail is arranged below the top enclosure insulation board 2, and a translation pulley 11 is arranged in the translation slide rail 10.
The upper end of top sealing curtain 5 is fixed in the below of a roll curtain mechanism 6 and is set up in the below of top envelope heated board 2, and roll curtain mechanism 6 includes: the roller shutter mechanism comprises a roller and a supporting plate, wherein the supporting plate is positioned below the roller, bearings at two ends of the roller are fixed on the supporting plate, and steel cable winding wheels 20 are respectively arranged at two ends of the roller shutter mechanism 6. The upper end of the top sealing curtain 5 is fixed on two sides of the supporting plate, fixing frames at two ends of the supporting plate are fixed on the two side maintenance heat preservation plates 1, and a belt 21 is arranged inside the top sealing curtain 5. One end of the belt 21 is fixed on the reel, and the other end passes through the supporting plate and is fixed on the counterweight structure below the top sealing curtain 5. The rolling mechanism 6 is connected to a belt 21 of the top sealing curtain 5 and performs ascending and descending adjustment of the top sealing curtain 5 by controlling rolling and releasing of the belt 21 on the reel. The roller shutter mechanism 6 is electrically connected with an electric switch and/or a manual switch 18, an electric control system 19 and a travel switch 15, wherein the electric control system 19 is used for providing kinetic energy for the roller shutter mechanism 6, and the travel switch 15 is used for positioning the required height for lifting the top sealing curtain 5. Wherein, the upper part of the top sealing curtain 5 is also provided with a curtain wind-resisting cover 16.
In the shrink seal assembly of both sides, each shrink seal assembly of each side all includes: a side sealing plate 4, a translation vertical rail 8, a side weight system 9 and a side retractable curtain 3 which can be changed in a retracted state and a deployed state. Wherein, translation vertical rail 8 and side counter weight system 9 set up in side shrink curtain 3, and one side of translation vertical rail 8 is connected to side closing plate 4 on the opposite side is connected to its side wall that corresponds protects heated board 1 simultaneously, and the cladding of side shrink curtain 3 is in translation vertical rail 8 and survey the outside of counter weight system 9 to the both sides of side shrink curtain 3 are connected with side closing plate 4 and side wall respectively and are protected heated board 1 and form a whole closed surface structure. The top end of the translation vertical rail 8 is connected with a translation pulley 11 arranged in a translation sliding rail 10, so that the translation vertical rail 8 can move in parallel along the plane of the periphery of the warehouse door frame in the lateral direction, and the side contraction curtain 3 can be driven to contract or expand in parallel in the lateral direction on the plane of the periphery of the warehouse door frame.
Each side weighting system 9 comprises: the counterweight steel cable mechanism comprises a counterweight steel cable 12, a pulley block, a support rod, a counterweight steel cable 12 and a buffer tension spring 14, wherein the pulley block comprises an upper end pulley block and a lower end pulley block which are respectively arranged at the upper end and the lower end of the counterweight steel cable, the upper end pulley block and the lower end pulley block are respectively arranged in a translation vertical rail 8, one end of the support rod is connected with the counterweight steel cable through a bidirectional spring hinge 7, the other end of the support rod is connected with a side wall protection heat insulation plate 1 at the same side of the support rod through the bidirectional spring hinge 7, one end of the counterweight steel cable 12 is connected to a steel cable rolling wheel 20 of the roller shutter mechanism 6, the other end of the support rod is connected with the buffer tension spring 14 through a fixed pulley arranged on the counterweight steel cable at the same side of the support rod, so that redundant counterweight steel cable is in a steel cable tensioning state when the top sealing curtain 5 descends to the lowest position, a positioning nylon block 25 is arranged above the buffer tension spring 14 to ensure that the top sealing curtain 5 ascends or descends to correspondingly retract or release the two side retractable curtains 3 and two side sealing plates 4 at the same time, and the bottom of the buffer tension spring 14 is fixed at the lower position in the translation vertical rail 8; the side weighting system 9 is released when the weighted steel cables 12 are released by the roller blind mechanism 6 so that the translating vertical rails 8 translate inwardly on the driven side of the side weighting system 9.
In the initial state of the equipment, the rolling shutter mechanism 6 tightens the belt 21 of the top sealing curtain 5, so that the top sealing curtain 5 is folded at the highest position, at the moment, the counterweight steel cable 12 is tightened, so that the sealing plates 4 at two sides and the top sealing curtain 5 are tightened, and at the moment, the amplitude-modulated door sealing opening is opened to the maximum size; the van vehicle is correctly poured into the loading and unloading position and is stably stopped; the rolling curtain mechanism 6 can be electrically or manually rotated through an electric switch or a manual switch 18, so that the top sealing curtain 5 descends, meanwhile, a counterweight steel cable 12 connected to the rolling curtain mechanism 6 is released, a counterweight system 9 freely falls under the action of gravity, so that a translation vertical rail 8 automatically moves towards the middle in a lateral translation manner, sealing plates 4 on two sides cling to a carriage, meanwhile, the top rolling curtain mechanism 6 continuously descends the top sealing curtain 5 to the top of the carriage, a closed loading and unloading channel is formed, and loading and unloading operation can be carried out at the moment; after the loading and unloading operation is finished, the roller shutter mechanism 6 can be reversely rotated electrically or manually through the electric switch 18 or the manual switch 18 to pull the top sealing curtain 5 to the highest position, the counterweight steel cables 12 are tightened before the top sealing curtain 5 is pulled to the highest position, so that the sealing plates 4 on the two sides and the top sealing curtain 5 are tightened, the amplitude-modulation type door sealing opening is opened to the maximum size, and the equipment returns to the initial state.
The top sealing curtain 5 is coupled to the two side retracting seal assembly by an electric or manual switch 18 that electrically or manually rotates the rolling mechanism 6 so that it releases or tightens the weighted steel cables 12, simultaneously tightening or releasing the translating vertical rail counterweight system 9 upon rotation of the rolling mechanism 6.
The distance deviation between the lateral translation stroke of the lateral sealing plate 4, which laterally moves in parallel along the plane of the periphery of the door frame of the warehouse, and the corresponding side surface of the parked van vehicle is adjusted by forming free extrusion between the side end surface of the lateral sealing plate 4 and the side surface of the van vehicle through the gravity action of the lateral counterweight system 9; the stroke difference between the lateral translation stroke of the side sealing plate 4 moving laterally and parallelly along the plane of the periphery of the door frame of the warehouse and the lifting stroke of the top sealing curtain 5 for lifting adjustment is adjusted by adjusting the diameter of the winding shaft of the curtain rolling mechanism 6 and the steel cable winding wheel 20 and/or the telescopic stroke of the buffer tension spring 14.
Specifically, when the top sealing curtain 5 descends by more than one circle of stroke of the winding shaft, the buffer tension spring 14 releases the stroke required by inward translation of the side sealing plates 4, at the moment, the amplitude-modulated door seal can reach the minimum width, the two side sealing plates 4 cling to the truck carriage body, and redundant counterweight steel cables which continuously descend to the lowest position are still in a tensioned state after being contracted by the buffer tension spring 14; when the top sealing curtain 5 ascends, the buffer tension spring 14 is stretched until the highest position just tightens the side sealing plate 4, and the amplitude-modulation type door seal reaches the maximum width.
The maximum distance between the two side sealing plates 4 can be 2900mm, and the distance between the two side sealing plates 4 can be adjusted between 1700mm and 2900 mm. The distance between the top sealing curtain 5 and the floor of the warehouse platform can be designed to be 3250mm, and the distance between the top sealing curtain 5 and the floor of the warehouse platform is configured to be adjustable between 1300mm and 3250 mm.
Wherein the door opening of the warehouse is typically set to 2800mm wide and 3000mm high. At this moment, preferably with top enclosure heated board 2 setting 600mm department from storehouse doorframe top wall, preferably with side enclosure heated board 1 setting 400mm department from storehouse doorframe side wall.
When the sealing plates 4 on the two sides and the top sealing curtain 5 are tightly attached to the carriage body to form a closed loading and unloading channel, the top sealing curtain 5 is tightly attached to the sealing plates 4 on the two sides, and the top sealing curtain 6 is positioned in the front of the side sealing plates 4.
Although the present invention has been described in terms of the preferred embodiments, it is not intended that the scope of the invention be limited to the exact construction and arrangement shown and described, and it is intended that all equivalent alterations and modifications that can be devised readily by those skilled in the art based on the foregoing description be embraced by the scope of the invention.
Claims (10)
1. The utility model provides an amplitude modulation formula door seals, is applicable to the warehouse that requires high to warehouse loading and unloading mouth heat preservation leakproofness, its characterized in that includes:
an exterior-protected board outer frame structure, comprising: the device comprises a surrounding insulation board arranged on two sides of the periphery of a door frame of the warehouse and a top surrounding insulation board, wherein a translation sliding rail with a horizontal rail is arranged below the top surrounding insulation board, and translation pulleys are arranged in the translation sliding rail;
a top sealing curtain, its upper end is fixed in the below of a roll curtain mechanism and is set up the below of top envelope heated board, roll up curtain mechanism and include: the device comprises a scroll, two-end bearings, a supporting plate and a fixing frame, wherein the supporting plate is positioned below the scroll, the two-end bearings are fixed on the supporting plate, the upper end of a top sealing curtain is fixed on two sides of the supporting plate, a belt is arranged inside the top sealing curtain, one end of the belt is fixed on the scroll, the other end of the belt penetrates through the supporting plate and is fixed on a counterweight structure, the counterweight structure is fixed below the top sealing curtain, and the rolling curtain mechanism is connected with the belt of the top sealing curtain and realizes the ascending and descending adjustment of the top sealing curtain by controlling the rolling up and releasing of the belt;
a two-sided shrink seal assembly, each of said side shrink seal assemblies comprising: one side sealing contraction plate, a translation vertical rail and one side counterweight system; the translation vertical rails and the side counterweight system are arranged in the side sealing contraction plates, the translation vertical rails are connected to the corresponding side protection and insulation plates, and the top ends of the translation vertical rails are connected with the translation pulleys arranged in the translation sliding rails, so that the translation vertical rails can laterally move in parallel along the plane where the periphery of the warehouse door frame is located, and the side sealing contraction plates are driven to laterally contract or expand in parallel on the plane where the periphery of the warehouse door frame is located; each of the side weighting systems includes: the counterweight steel cable comprises a counterweight steel plate, a pulley block, a support rod, a counterweight steel cable and a buffer tension spring, wherein the pulley block comprises an upper end pulley block and a lower end pulley block which are respectively installed at the upper end and the lower end of the counterweight steel plate, the upper end pulley block and the lower end pulley block are respectively installed in the translation vertical rail, one end of the support rod is movably connected with the counterweight steel plate, the other end of the support rod is movably connected with the side enclosure insulation board at the same side of the support rod, one end of the counterweight steel cable is connected to the roller shutter mechanism, the other end of the counterweight steel cable is connected with the buffer tension spring through a fixed pulley arranged on the counterweight steel plate at the same side of the support rod, so that redundant counterweight steel cables are in a tensioned state when the top sealing curtain descends to the lowest position, a positioning nylon block is arranged above the buffer tension spring to ensure that the two side sealing contraction plates are correspondingly retracted or released when the top sealing curtain ascends or descends, and the bottom of the tension spring is fixed at the lower position in the translation vertical rail; the side weight system is released when the weighted wire rope is released by the roller shade mechanism such that the translating vertical rail translates inwardly on actuation of the side weight system;
the top sealing curtain and the two-side contraction sealing components are linked through the curtain rolling mechanism.
2. The amplitude modulated dock seal of claim 1, wherein: two ends of the roller shutter mechanism are respectively provided with a steel cable winding wheel; one end of each counterweight steel cable is connected to the corresponding steel cable winding wheel of the rolling curtain mechanism, and the other end of each counterweight steel cable is connected with the buffer tension spring through the fixed pulley on the counterweight steel plate.
3. The amplitude modulated dock seal of claim 2, wherein: the roller shade mechanism is connected to an electric switch and/or a manual switch by which the roller shade mechanism can be rotated electrically or manually so that it releases or tightens the weighted steel cable.
4. The amplitude modulated dock seal of claim 1, wherein: the side seal shrink plate includes: the side curtain comprises a side sealing plate and a side curtain which can be changed in a contraction state and an expansion state, wherein the translation vertical rail and the side counterweight system are arranged in the side curtain, one side of the translation vertical rail is connected to the side sealing plate, the other side of the translation vertical rail is connected to the corresponding side wall protection and insulation plate, and two sides of the side curtain are respectively connected with the side sealing plate and the side wall protection and insulation plate to form an integral closed surface structure.
5. The amplitude modulated dock seal of claim 1, further comprising: an electric system for providing kinetic energy to the roller shutter mechanism; and a travel switch for positioning a desired height for lifting the top sealing curtain; the roller shutter mechanism is electrically connected with the electric system and the travel switch.
6. The amplitude modulated dock seal of claim 4, wherein: the distance between the two side sealing plates can be adjusted between 1700mm and 2900 mm.
7. The amplitude modulated dock seal of claim 1, wherein: the distance between the top sealing curtain and the floor of the warehouse platform can be adjusted between 1300mm and 3250 mm.
8. The amplitude modulated dock seal of claim 4, wherein: when the two side sealing plates and the top sealing curtain are tightly attached to the carriage body to form a closed loading and unloading channel, the top sealing curtain is tightly attached to the two side sealing plates, and the top sealing curtain is positioned in the front of the side sealing plates.
9. The amplitude modulated dock seal of claim 1, wherein: the supporting rods are connected to the corresponding side enclosure heat-insulation plates through bidirectional spring hinges.
10. The amplitude modulated dock seal of claim 1, wherein: and a curtain wind-resistant cover is also arranged at the upper part of the top sealing curtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221129871.XU CN218563535U (en) | 2022-05-05 | 2022-05-05 | Amplitude modulation type door seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221129871.XU CN218563535U (en) | 2022-05-05 | 2022-05-05 | Amplitude modulation type door seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218563535U true CN218563535U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221129871.XU Active CN218563535U (en) | 2022-05-05 | 2022-05-05 | Amplitude modulation type door seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218563535U (en) |
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2022
- 2022-05-05 CN CN202221129871.XU patent/CN218563535U/en active Active
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