CN209761284U - Telescopic door for access hole - Google Patents
Telescopic door for access hole Download PDFInfo
- Publication number
- CN209761284U CN209761284U CN201920187885.9U CN201920187885U CN209761284U CN 209761284 U CN209761284 U CN 209761284U CN 201920187885 U CN201920187885 U CN 201920187885U CN 209761284 U CN209761284 U CN 209761284U
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- CN
- China
- Prior art keywords
- door
- door body
- retractable
- access hole
- access opening
- Prior art date
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- 230000005540 biological transmission Effects 0.000 claims description 91
- 238000007789 sealing Methods 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 17
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- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 4
- 239000010813 municipal solid waste Substances 0.000 description 9
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 208000031872 Body Remains Diseases 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
- E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
- E06B9/0615—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the closing elements
- E06B9/0638—Slats or panels
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
- E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
- E06B9/0646—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position
- E06B2009/0684—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position stored in a spiral like arrangement
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model relates to an engineering access hole technical field specifically relates to a flexible door for access hole. The retractable door comprises a door body, a driving device and two groups of balance boosting devices, the door body is arranged to move along the horizontal direction to seal or open the access hole, the driving device is arranged to be connected with the door body to drive the door body to move, and the balance boosting devices are arranged on two sides of the door body and are arranged to enable the tail end of the door body to keep moving. The utility model provides a flexible door convenient operation for access hole can set for the area of opening of this access hole as required, convenient to overhaul operation and dampproofing processing.
Description
Technical Field
The utility model relates to an engineering access hole technical field specifically relates to a flexible apron for access hole.
Background
At present, on the operation site of an engineering project, a plurality of overhauling and operating platform holes exist for overhauling or operating each device placed in the holes. However, when the opening is opened, the equipment is easily polluted by dust, damaged by moisture and bad in sanitation condition of working environment. At present, these entrance to a cave often adopt the mode of prefabricated apron to seal the setting, adopt apron structures such as precast concrete apron, ordinary steel cover board or grid apron to seal the setting promptly, rely on outside equipment of lifting by crane to open or seal the operation of this entrance to a cave usually, the operation is complicated, is unfavorable for the maintenance of examining and repairing to, expose this entrance to a cave completely when opening the apron, be unfavorable for dustproof dampproofing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the complicated and equipment scheduling problem that easily wets of operation that leads to because of the mode that entrance to a cave department adopted prefabricated apron that prior art exists, providing a flexible door for access hole, this flexible door convenient operation for access hole can set for the area of opening of this access hole as required, convenient to overhaul operation and dustproof dampproofing processing.
In order to achieve the above object, the utility model provides a flexible door for access hole, flexible door is including the door body, drive arrangement and two sets of balanced boosting device, the door body sets up to removing along the horizontal direction to seal or open the access hole, drive arrangement set up to can with door body coupling is in order to drive the door body removes, and is two sets of balanced boosting device follows respectively the moving direction setting of the door body is in the both sides of the door body and set up to making the tail end of the door body keeps the translation.
Preferably, the door body comprises a door body and a door frame, the door frame is used for being fixed at the edge of the access opening along the horizontal direction, the door body comprises a plurality of rigid door panels arranged at intervals and a plurality of flexible sealing pieces connected between two adjacent door panels, the door panels are movably connected to the door frame, and when the door body is in a state of closing the access opening, the door panels are parallel to each other and share the same horizontal plane with the sealing pieces.
Preferably, the door frame sets up to the rectangle, the door plant sets up to the rectangle, the door body includes a plurality of pulleys and follows the minor face direction of door plant extends and the symmetry sets up two horizontal guide rails of door frame both sides, every the rotatable setting of pulley is at every the minor face side of door plant and with horizontal guide rail slidable connects.
Preferably, the door body comprises two spiral guide rails which are symmetrically arranged and extend spirally, and the spiral outer end of each spiral guide rail is smoothly connected with the head end of the horizontal guide rail.
Preferably, drive arrangement includes driving motor, flexible door include with but driving motor's driving shaft transmission torque's the first transmission shaft of being connected, first transmission shaft sets up the head end of door frame is followed the long edge direction of door plant extends, balanced boosting device is including all following and being on a parallel with the winding and the elastic component that the minor face direction of door plant extends, the both ends of winding respectively with the elastic component with first transmission shaft fixed connection, the other end of elastic component is fixed the tail end of door frame.
preferably, the flexible door including link hinge, with but the drive chain of the connection of first drive shaft transmission torque and with but the second drive shaft of the connection of drive chain transmission torque, the second drive shaft sets up the tail end of door frame and edge the long limit direction of door plant extends, link hinge set up at the door plant the minor flank side and fixed connection in drive chain.
Preferably, the flexible door includes two it is in to link hinge and symmetry setting two at first transmission shaft both ends transmission chain, two it sets up to link the hinge symmetry the minor flank side of door plant and respectively with correspond the setting transmission chain fixed connection.
Preferably, the retractable door comprises a control unit, the control unit is set as a servo control unit, the driving device is set as a servo motor, and the servo control unit is electrically connected with the servo motor to control the operation of the servo motor.
Preferably, the flexible door includes brake equipment, brake equipment sets up to be able to be in the permission servo motor's driving shaft normal operating's open mode and the prevention switch between servo motor's driving shaft normal operating's the locking state, servo control unit with brake equipment electricity is connected, in order to control brake equipment is in open mode with switch between the locking state.
Preferably, the retractable door comprises a pressure protection device, the pressure protection device is arranged on one side of the door body, and the pressure protection device is arranged to control the rotation direction of the driving shaft of the servo motor according to the acting force, applied by the driving shaft of the servo motor due to the transmission of the torque, received by the door body.
Through the technical scheme, the utility model provides a flexible door for access hole, this flexible door can realize opening or sealing this access hole through self is flexible for flexible door can set for the area of opening of this access hole as required, and the dampproofing, dustproof processing of being convenient for is provided with the drive unit that can the drive door body carry out concertina movement on the flexible door, easy operation, the maintenance operation of access hole of being convenient for moreover.
Drawings
Fig. 1 is a plan view of a retractable door according to an embodiment of the present invention;
Fig. 2 is a left side view of the retractable door according to an embodiment of the present invention.
Description of the reference numerals
1. A seal member; 2. a door panel; 3. a hinge is connected; 4. an elastic member; 5. a drive chain; 6. coiling; 7. a first drive shaft; 8. a reel housing; 9. a servo motor; 10. a door frame; 11. a horizontal guide rail; 12. a helical guide rail; 13. a pulley; 14. and a pressure protection device.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. The specific embodiments described herein are merely illustrative and explanatory of the invention and are not restrictive thereof.
The utility model provides a flexible door for access hole, as shown in fig. 1 and fig. 2, flexible door is including the door body, drive arrangement and two sets of balanced boosting device, the door body sets up to removing in order to seal or opening along the horizontal direction the access hole, drive arrangement set up to can with door body coupling is in order to drive the door body removes, and is two sets of balanced boosting device follows respectively the moving direction setting of the door body is in the both sides of the door body and set up to making the tail end of the door body keeps the translation. The tail end of the door body refers to the foremost end of the door body in the moving direction in the process of closing the access opening, namely the rearmost end of the door body in the moving direction in the process of opening the access opening. The balance boosting device can be set to be in various reasonable forms, for example, the balance boosting device is set to be an inelastic flexible piece, one end of the flexible piece can be connected with the tail end of the door body, the other end of the flexible piece is set to be capable of being driven by the driving unit and moving synchronously with the head end of the door body, at the moment, the balance boosting device can be set to be a cable rope, so that the door body is stressed uniformly in the moving process, and the smooth operation of the whole body is ensured; this balanced boosting device (promptly, elastic construction) can also be established to the effect that can play the tail end that makes the door body and keep the translation in addition, can also play the function that can the self-sealing access hole when drive unit can not drive the door body and seal the access hole: when the driving unit drives the door body to move along the horizontal direction and open the access opening, the balance boosting device can store energy along with the movement of the door body, and when the driving unit drives the door body to move along the horizontal direction and close the access opening, the balance boosting device can release energy to assist the driving unit to drive the door body to move, namely the balance boosting device is set to store energy along with the opening of the door body and release energy to drive the door body to automatically close the access opening when the driving unit fails, for example, the balance boosting device can be set to be an elastic structure, one end of the elastic structure is fixedly connected at the position of the tail end of the door body when the door body is in a closed state (for example, can be fixed on the ground at the position of the tail end of the door body when the door body is in a closed state), and the other end of the elastic structure is set to be driven by the driving unit and synchronously move along with the head, at this time, when the driving unit drives the door body to open the access opening, the elastic structure can store energy through deformation (for example, tensile deformation) along with the movement of the door body, and when the driving unit fails, the balance boosting device can drive the door body to move by releasing energy through restoring the original shape so that the door body can automatically close the access opening.
Through the technical scheme, the utility model provides a flexible door for access hole, this flexible door can realize opening or sealing this access hole through self is flexible for flexible door can set for the area of opening of access hole as required, the environmental protection work environment of being convenient for, moreover, be provided with on the flexible door and drive the drive unit that the door body carries out concertina movement, easy operation, the maintenance operation of access hole of being convenient for.
In order to guarantee that the leakproofness of access hole is good, the flexible door can adopt split type design, for example, the door body includes the door body and fixes the door frame on the access hole border, and this door body also can adopt and be obtained by rigid member and flexible member connection in turn to compromise intensity and whole weight of door body when closing. For example, the door body comprises a door body and a door frame 10, the door frame 10 is used for being fixed at the edge of the access opening along the horizontal direction, the door body comprises a plurality of rigid door panels 2 arranged at intervals and a plurality of flexible sealing pieces 1 connected between two adjacent door panels 2, the door panels 2 are movably connected to the door frame 10, and when the door body is in a state of closing the access opening, the door panels 2 are parallel to each other and are located in the same horizontal plane with the sealing pieces 1. The door body can be provided in various reasonable forms, for example, the door body can be provided with the door panels 2 and the sealing pieces 1 which are identical in shape and are alternately arranged, and specifically, the door panels 2 and the sealing pieces 1 can be both provided in a parallelogram shape.
Further, the door frame 10 sets up to the rectangle, door plant 2 sets up to the rectangle, the door body includes a plurality of pulleys 13 and follows the minor face direction of door plant 2 extends and the symmetry sets up two horizontal guide 11 of door frame 10 both sides, every the rotatable setting of pulley 13 is in every the minor face side of door plant 2 and with horizontal guide 11 slidable connects, adopts foretell door frame structure and door plant structure, has simplified the manufacture process and the processing technology of flexible door, reduce cost, foretell guide rail and pulley cooperation structure moreover, be convenient for the installation and open and close the operation with carrying out. Wherein, horizontal guide can set up to various reasonable length according to actual demand's difference, for example, horizontal guide can be established to the length of a body (promptly, the length of the moving direction of the body of a body, also namely, the distance from the head end to the tail end of a body), when flexible door is in the closed condition, the body of a body is in the half guide rail department that is located the access hole top of horizontal guide, when flexible door is in the open condition, the body of a body is in horizontal guide's the second half guide rail department that does not coincide.
In order to save the occupied space of the retractable door in the opening state, shorten the setting length of the horizontal guide rail and avoid the friction resistance and unnecessary abrasion caused by mutual contact between the plate surfaces of a plurality of door plates in the opening state, the door body further comprises a spiral guide rail 12 arranged at the head end of the horizontal guide rail 11. For example, the door body includes two spiral guide rails 12 symmetrically arranged and spirally extending, and the spiral outer end of each spiral guide rail 12 is smoothly connected to the head end of the horizontal guide rail 11. Further, the door body includes a roll shaft box 8, the roll shaft box 8 is used for accommodating a spiral guide rail 12, specifically, as shown in fig. 2, the roll shaft box 8 extends along the long side direction of the door panel, the roll shaft box includes two end plates which are oppositely arranged and a roll plate which is connected between the two end plates, the roll plate is formed with an opening which is opened along the long side direction of the door panel, and two end surfaces which form the opening are respectively connected with the door frame. The horizontal guide rail 11 can be set to a reasonable length according to different actual requirements, for example, the length of the horizontal guide rail 11 can be set to be consistent with the length of the door body along the moving direction of the door body; the door body can adopt various reasonable connection modes, for example, the two sides of the long edge direction of the door plate are respectively provided with a groove structure with a small cross section and a large bottom, the two sides of the sealing piece are respectively provided with a protruding structure which can be matched with the groove structures, furthermore, an articulated piece is arranged between the two adjacent door plates and is respectively articulated with the two adjacent door plates, and the overall strength of the door body is improved. When the retractable door is used, under the driving action of the driving device, when the whole door body slides from the horizontal guide rail 11 to the spiral guide rail 12, the retractable door is also converted from a closed state (namely, the state of closing an access opening) to an open state, specifically, firstly, the door plate at the head end of the door body slides from the horizontal guide rail 11 to the spiral guide rail 12, meanwhile, the door plate at the tail end of the door body slides from the tail end of the horizontal guide rail 11 to the head end direction of the horizontal guide rail 11, and the door plates between the head end and the tail end of the door body slide from the self positions to the head end direction of the horizontal guide rail 11 until the door plates of the door body sequentially slide from the horizontal guide rail (in a horizontal tiled state) to the spiral guide rail (in a spiral curled state) according to the head-to-tail arrangement sequence, and at the moment, the retractable door is; it can be understood that, when the whole door body slides from the spiral guide rail to the horizontal guide rail, correspondingly, the retractable door is also converted from the open state to the closed state. In addition, the door panel 2 and the sealing element 1 are set to be rectangular with equal length, and the door body composed of the door panel 2 and the sealing element 1 forms a rectangular telescopic cover plate structure; the door plant can adopt aluminum alloy or stainless steel material, and the sealing member can adopt high-quality rubber or resin material, and door frame, horizontal guide rail, helical guideway and spool case 8 can adopt high-quality stainless steel, and the pulley adopts the polyurethane gyro wheel.
Further, drive arrangement includes driving motor, flexible door include with but driving motor's driving shaft transmission torque's the first transmission shaft 7 of being connected, first transmission shaft 7 sets up the head end of door frame 10 is followed the long edge direction of door plant 2 extends, balanced boosting device is including all following and being on a parallel with the winding 6 and the elastic component 4 that the minor face direction of door plant 2 extends, the both ends of winding 6 respectively with elastic component 4 with 7 fixed connection of first transmission shaft, the other end of elastic component 4 is fixed the tail end of door frame 10. Specifically, winding 6 sets up to the broadband that has certain width along the axial of first transmission shaft 7 to the winding can twine and superpose on the winding layer that self formed in proper order around first transmission shaft, and the successive layer twines, has guaranteed that the elastic component of two sets of balanced boosting devices can keep the same tensile length all the time, optimizes balanced effect, thereby has realized that the tail end of the door body remains the translation all the time. Wherein, the balance boosting device can be set to various reasonable forms, for example, the balance boosting device can be set to an elastic winding belt, and two ends of the elastic winding belt are respectively fixedly connected with the tail end of the doorframe 10 and the first transmission shaft 7. A speed reducer, for example, a worm gear structure or a large inertia planetary speed reducer, may be disposed between the driving motor and the first transmission shaft 7 to ensure that the driving motor can transmit a reasonable rotation speed to the first transmission shaft 7.
Further, flexible door including link hinge 3, with but the transmission chain 5 of the connection of first transmission shaft 7 transmission torque and with the second transmission shaft of the connection of transmission chain 5 transmission torque, the second transmission shaft sets up the tail end of door frame 10 is followed the long limit direction of door plant 2 extends, link hinge 3 set up at the short avris of door plant 2 and fixed connection in transmission chain 5. When the retractable door is in a closed state, the elastic piece 4 is in a natural extension state or a slight stretching state, the winding belt 6 is in a natural extension state and is not wound on the first transmission shaft 7, the driving motor is started, when the door body opens the access opening under the driving action of the driving motor, the door body starts to move towards the spiral guide rail direction from the closed state of horizontal tiling originally positioned on the horizontal guide rail and starts to curl and spiral along with the extension direction of the spiral guide rail, the driving shaft of the driving motor drives the first transmission shaft 7 to continuously rotate along the first direction (namely the direction of withdrawing the cover plate to open the access opening), the winding belt 6 also continuously rotates along the first direction around the first transmission shaft 7 and is wound on the first transmission shaft 7, the elastic piece 4 is also continuously stretched along the driving shaft to generate stretching deformation so as to store energy, and meanwhile, the transmission chain 5 continuously rotates along the first direction under the driving action of the first transmission shaft 7 and drives the second transmission shaft to continuously rotate along the first direction The door body can also move synchronously under the driving of the transmission chain 5, namely, the transmission chain 5 drives the door plate positioned at the tail end of the door body to move along the opening direction, the opening direction of the door plate positioned at the tail end is the moving direction from the position at the tail end of the door body to the position at the head end of the door body, so that the door body gradually opens the access hole until the door body is completely opened (namely, the door plate positioned at the tail end of the door body is positioned at the position of the spiral guide rail, which is combined with the horizontal guide rail), and at the moment, the stretching deformation of the elastic part 4 is the largest and the energy storage is the largest; when the door body seals the access hole under the driving action of the driving motor, the door body starts to slide into the horizontal guide rail from an opening state which is in a spiral curling shape when being positioned in the spiral guide rail and then is in a horizontal flat-paving shape, a driving shaft of the driving motor drives the first transmission shaft 7 to continuously rotate along a second direction (namely the direction that the cover plate extends out of the access hole) opposite to the first direction, the elastic part 4 continuously releases energy along with the first transmission shaft to restore the original shape, the winding belt 6 continuously rotates around the first transmission shaft 7 along the second direction and is separated from the first transmission shaft 7 under the double driving action of the first transmission shaft and the elastic part, meanwhile, the transmission chain 5 continuously rotates along the second direction and drives the second transmission shaft to continuously rotate around the axis direction of the door body along the second direction, the door body synchronously moves with the door body under the driving of the transmission chain 5, namely, the transmission chain 5 drives the door plate positioned at the tail end of the door body to move along a closing direction opposite, the closing direction of the door plate at the tail end is the moving direction from the position where the spiral guide rail is combined with the horizontal guide rail to the position of the head end of the door body, so that the door body gradually closes the access hole until the door body completely closes the access hole (namely, the door plate at the tail end of the door body moves to the tail end position of the horizontal guide rail), the stress on the door body is uniform, the load of a driving motor during operation is reduced, and the smooth operation of the whole body is ensured; in addition, when the driving motor fails, the driving shaft of the driving motor no longer provides the first transmission shaft 7 with a driving force rotating along the first direction or the second direction, the first transmission shaft 7 no longer transmits the driving force to the winding belt 6, at this time, the elastic member 4 releases energy to restore the original shape so as to drive the winding belt 6 to continuously rotate along the second direction and separate from the first transmission shaft, and further drive the first transmission shaft 7 to continuously rotate along the second direction, meanwhile, the transmission chain 5 also continuously rotates along the second direction along with the first transmission shaft 7 and drives the second transmission shaft to continuously rotate along the second direction around the axis direction of the door body, the door body also synchronously moves with the transmission chain 5 under the driving of the transmission chain 5, that is, under the driving of the transmission chain 5, the door panel at the tail end of the door body moves towards the head end of the door body from the position where the spiral guide rail and the horizontal guide rail are combined, the door plant that is located door body head end simultaneously is moved towards helical guideway's outer loop by helical guideway's inner ring for the access hole is sealed gradually to the door body, and the access hole is sealed completely to the door body (promptly, the door plant that is located door body tail end removes the tail end position department of horizontal guide, and the door plant that is located door body head end removes the head end position department of horizontal guide), thereby realized that the door body can self-sealing access hole, safe and reliable when driving motor is out of order.
In order to ensure that the tail end of the door body can keep translation, the retractable door comprises two transmission chains 5 which are symmetrically arranged at two ends of a first transmission shaft 7. For example, as shown in fig. 1, the retractable door includes two of the hinge joints 3 and two of the transmission chains 5 symmetrically disposed at two ends of the first transmission shaft 7, and the two hinge joints 3 are symmetrically disposed at the short sides of the door panel 2 and are respectively fixedly connected to the transmission chains 5 correspondingly disposed.
According to the utility model, the retractable door can be opened or closed by adopting a manual operation driving motor; preferably, the retractable door can also be automatically controlled by using a control unit, so as to achieve remote control, more intelligent, convenient and fast, and further, in order to improve accurate positioning and fast response of automatic control and save energy, a servo control unit can be used, for example, the retractable door comprises a control unit which is set as a servo control unit, the driving device is set as a servo motor 9, and the servo control unit is electrically connected with the servo motor 9 to control the operation of the servo motor 9. Wherein, flexible door includes automatic lock, automatic lock with the control unit electricity is connected, the control unit can control the switch of lock, and is specific, the door frame includes the frame that extends along the long limit direction of door plant, the frame is at least partly coincide with the door plant that is in the tail end department of the door body of closed access hole state, and the lock can be divided into two parts that mutually support and use in order to install respectively on the frame that can coincide each other and the door plant that is located the tail end department of the door body to in order to realize the automatic locking of flexible door. When the automatic door lock is used, when the door body is in a state of closing and locking the access hole, the automatic door lock can be opened through the control unit, and then the servo motor 9 is controlled to be started so as to drive the door body to open the access hole; or when the door body is in a state of opening the access hole, the servo motor 9 is controlled to be started through the control unit to drive the door body to close the access hole, and when the access hole is completely closed, the automatic door lock is controlled to be locked through the control unit. In addition, this servo control unit includes servo driver, and this servo driver is controlled by high-end converter and area encoder feedback loop, and this servo motor is from taking the encoder for the driver can receive the feedback signal of encoder in real time, compares the turned angle who adjusts the rotor according to feedback value and default again, thereby has realized accurate control servo motor's position, rotation volume and direction of rotation.
In order to ensure that the door body can be accurately stopped, the telescopic door is provided with a brake device for braking. For example, the retractable door includes a brake device, the brake device is configured to be capable of switching between an open state allowing the driving shaft of the servo motor 9 to operate normally and a lock state preventing the driving shaft of the servo motor 9 from operating normally, and the servo control unit is electrically connected to the brake device to control the brake device to switch between the open state and the lock state. When the door body is moved to a proper position (the door body can be completely opened or partially opened, and also can completely close the access hole), the servo control unit controls the brake device to lock so as to prevent the driving shaft of the servo motor 9 from normally operating, and the door body also stops moving correspondingly. In addition, this brake equipment can also adopt manually operation's control mode, comes the start-up or the stop of manual control door body removal according to the difference of actual demand to open servo motor through manually operation brake equipment when having a power failure or breaking down, make the expansion gate can with the help of balanced power assist device self-sealing access hole.
In order to prevent the door body from colliding with equipment near the access opening (for example, the retractable door is used for the access opening of the trash remover, and the door body needs to be prevented from colliding with the trash remover), the retractable door can be further provided with a pressure protection mechanism. For example, the retractable door includes a pressure protection device 14, the pressure protection device 14 is disposed on one side of the door body, and the pressure protection device 14 is disposed to be able to control a rotation direction of a driving shaft of the servo motor 9 according to an acting force applied by the driving shaft of the servo motor 9 by transmission of torque to the door body. According to a specific embodiment of the present invention, the pressure protection device comprises a force sensor disposed at one side of the door body and electrically connected to the servo control unit for detecting a value of an acting force applied by the retractable door (e.g., a pulling force applied by the transmission chain via the link hinge) on the door body and converting the value into an electrical signal to be transmitted to the servo control unit, the servo control unit receives the electrical signal and compares the electrical signal with a preset value, if the value is not more than the preset value, the servo motor 9 is controlled to keep the rotating direction unchanged and continue to operate, and if the value is more than the preset value, the servo motor 9 is controlled to rotate in a reverse direction, so that the door body can automatically rebound when colliding with an obstacle, in view of the fact that the door body generally occurs in the moving process of closing the access opening, that the door body can automatically rebound in the direction of opening the access opening when encountering the, thereby preventing the door body from colliding against other equipment to avoid unnecessary damage.
According to the utility model discloses a concrete implementation mode, this flexible door can be used for the access hole that various levels set up, for example, can be used for the access hole of trash cleaning machine, and flexible door is including the operation of opening the access hole and the operation two parts of sealing the access hole this moment.
Firstly, the access hole is opened by the retractable door:
When the trash remover operates, the servo control unit firstly controls the door lock to automatically open and the brake device to switch to an open state, then controls the driving shaft of the servo motor 9 to rotate along the first direction and drive the first transmission shaft 7 to rotate along the first direction, the transmission chain 5 rotates along with the first transmission shaft 7 under the driving action of the first transmission shaft 7 and transmits power through the link hinge 3 to drive the door body to synchronously move along with the transmission chain 5, specifically, the transmission chain 5 drives the door plate at the tail end of the door body to move from the tail end of the door body to the head end of the door body, so that the door body gradually opens the access hole, meanwhile, the coiling belt 6 rotates along with the first transmission shaft 7 along the first direction and winds layer by layer, the elastic piece 4 is continuously stretched to generate stretching deformation to store energy until the door body is completely opened (namely, the door plate at the tail end of the door body is positioned at the position where the spiral guide rail is, at the moment, the stretching deformation and the energy storage of the elastic part 4 are maximum, and the brake device is controlled to be switched to a locking state through the servo control unit, so that the door body is ensured to be in a state of completely opening the access hole, and the normal operation of the trash remover is facilitated;
It can be understood that, if need not the door body be in the state of opening the access hole completely can realize that the trash cleaning machine carries out normal operation, when the access hole is opened to the door body part and when removing suitable position, can be switched to the locking state by the open mode through control brake equipment to maintain the door body and can be in the suitable position that the access hole was opened to the part, the door body can be according to the nimble control of difference of actual demand to the degree of opening of access hole, the adjustment of being convenient for.
Secondly, the access hole is closed by the retractable door:
After the trash remover stops working, the servo control unit controls the brake device to be switched from a locking state to an opening state, then controls the driving shaft of the servo motor 9 to rotate along a second direction opposite to the first direction, the first transmission shaft 7 rotates along the second direction under the dual actions of the driving force of the driving shaft and the energy released by the elastic part 4 and drives the transmission chain 5 to rotate along with the driving shaft, the transmission chain 5 transmits the power through the connecting hinge 3 to drive the door body to synchronously move along with the door body, specifically, the transmission chain 5 drives the door plate at the tail end of the door body to move from the position where the spiral guide rail is combined with the horizontal guide rail to the position of the head end of the door body, so that the door body gradually closes the access opening until the door body completely closes the access opening (namely, the door plate at the tail end of the door body moves to the tail end position of the horizontal guide rail), and at the moment, the servo control unit controls the brake device to be switched to a locking state and controls the door lock to be automatically locked, so that the door body is ensured to be in a state of completely closing the access hole, the sanitation condition around the trash remover in the access hole is effectively improved, the sealing performance is good, the device is protected against moisture and mosquitoes, the appearance is attractive and elegant, and the working environment of operation and maintenance personnel is also improved;
When the door body of flexible door is at the closed access hole, if the door plant that is located the door body tail end collides the trash cleaning machine, the numerical value that the force cell among the pressure protection device received the door body that detects the effort that the flexible door applyed converts the signal of telecommunication, servo control unit receives this signal of telecommunication and compares it with the default, owing to meet the obstacle and lead to it to be greater than the default, then control servo motor 9 reverse rotation, make the door body can bounce-back automatically when colliding the obstacle, also be exactly the door body can be to opening the automatic bounce-back of direction of access hole when meeting the obstacle, thereby prevent that the door body from colliding other equipment in order to avoid the unnecessary damage.
It is worth mentioning that when abnormal conditions such as power failure or fault occur when the door body is in a state of opening the access hole, firstly, whether the brake device is in an open state is observed, if not, the brake device can be manually switched from a locking state to the open state, at this time, the elastic member 4 releases energy to restore the original shape so as to drive the winding belt 6 to continuously rotate along the second direction and separate from the first transmission shaft 7, and further drive the first transmission shaft 7 to rotate along the second direction, so that the transmission chain 5 also rotates along the second direction along with the first transmission shaft 7 and drives the synchronous movement until the tensile deformation of the elastic member 4 is minimum and the released energy is maximum, at this time, the door body is in a state of completely closing the access hole (that the door panel at the tail end of the door body moves to the tail end position of the horizontal guide rail, and the door panel at the head end of the door body moves to the head end position of the horizontal guide rail, therefore, the door body can automatically seal the access hole under the abnormal conditions of power failure or faults and the like, and the door body is safe and reliable.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the present invention, it is possible to carry out various simple modifications to the technical solution of the present invention, for example, including combining each specific technical feature in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. The utility model provides a flexible door for access hole, its characterized in that, flexible door is including a body, drive arrangement and two sets of balanced boosting device, the body sets up to removing in order to seal or open along the horizontal direction the access hole, drive arrangement set up to can with door body coupling is in order to drive the body removes, and is two sets of balanced boosting device follows respectively the moving direction of the body sets up the both sides of the body and set up to making the tail end of the body keeps the translation.
2. The retractable door for an access opening of claim 1, wherein the door body comprises a door body and a door frame (10), the door frame (10) is used for being fixed at the edge of the access opening along a horizontal direction, the door body comprises a plurality of rigid door panels (2) arranged at intervals and a plurality of flexible sealing pieces (1) connected between two adjacent door panels (2), the door panels (2) are movably connected to the door frame (10), and when the door body is in a state of closing the access opening, the door panels (2) are parallel to each other and are located in the same horizontal plane with the sealing pieces (1).
3. The retractable door for an access opening as claimed in claim 2, wherein said door frame (10) is configured as a rectangle, said door panel (2) is configured as a rectangle, said door body comprises a plurality of pulleys (13) and two horizontal guide rails (11) extending along the short side direction of said door panel (2) and symmetrically disposed at both sides of said door frame (10), each of said pulleys (13) is rotatably disposed at each short side of each of said door panels (2) and slidably connected with said horizontal guide rails (11).
4. The retractable door for an access opening of claim 3, wherein the door body comprises two spiral guide rails (12) which are symmetrically arranged and extend in a spiral shape, and the spiral outer end of each spiral guide rail (12) is smoothly connected with the head end of the horizontal guide rail (11).
5. The retractable door for an access opening of claim 4, wherein the driving device comprises a driving motor, the retractable door comprises a first transmission shaft (7) connected with a driving shaft of the driving motor in a torque transmission manner, the first transmission shaft (7) is arranged at the head end of the door frame (10) and extends along the long side direction of the door panel (2), the balance boosting device comprises a winding belt (6) and an elastic member (4) which both extend along the direction parallel to the short side direction of the door panel (2), both ends of the winding belt (6) are respectively fixedly connected with the elastic member (4) and the first transmission shaft (7), and the other end of the elastic member (4) is fixed at the tail end of the door frame (10).
6. The retractable door for an access opening according to claim 5, wherein the retractable door comprises a hinge (3), a transmission chain (5) connected to the first transmission shaft (7) for transmitting torque, and a second transmission shaft connected to the transmission chain (5) for transmitting torque, the second transmission shaft being provided at a rear end of the door frame (10) and extending in a long side direction of the door panel (2), the hinge (3) being provided at a short side of the door panel (2) and fixedly connected to the transmission chain (5).
7. The retractable door for an access opening of claim 6, wherein the retractable door comprises two of the link hinges (3) and two of the transmission chains (5) symmetrically disposed at two ends of the first transmission shaft (7), and the two link hinges (3) are symmetrically disposed at the short sides of the door panel (2) and are respectively and fixedly connected with the transmission chains (5) correspondingly disposed.
8. Telescopic door for an access opening according to claim 1, comprising a control unit, which is arranged as a servo control unit, wherein the drive means are arranged as a servo motor (9), which servo control unit is electrically connected to the servo motor (9) for controlling the operation of the servo motor (9).
9. the retractable door for an access opening according to claim 8, wherein the retractable door comprises a brake device, the brake device is configured to be capable of switching between an open state allowing the driving shaft of the servo motor (9) to operate normally and a lock state preventing the driving shaft of the servo motor (9) from operating normally, and the servo control unit is electrically connected with the brake device to control the brake device to switch between the open state and the lock state.
10. The retractable door for an access opening according to claim 9, characterized in that the retractable door comprises a pressure protection device (14), the pressure protection device (14) is arranged on one side of the door body, and the pressure protection device (14) is arranged to control the rotation direction of the driving shaft of the servo motor (9) according to the acting force applied by the driving shaft of the servo motor (9) to the door body due to the transmission of torque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187885.9U CN209761284U (en) | 2019-02-03 | 2019-02-03 | Telescopic door for access hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187885.9U CN209761284U (en) | 2019-02-03 | 2019-02-03 | Telescopic door for access hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761284U true CN209761284U (en) | 2019-12-10 |
Family
ID=68751867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920187885.9U Active CN209761284U (en) | 2019-02-03 | 2019-02-03 | Telescopic door for access hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761284U (en) |
-
2019
- 2019-02-03 CN CN201920187885.9U patent/CN209761284U/en active Active
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| CP01 | Change in the name or title of a patent holder |
Address after: 100048 No. 21 West Zhuang Road, Beijing, Haidian District Patentee after: BEIJING INSTITUTE OF WATER Patentee after: Beijing Branch of China South-to-North Water Diversion Group Middle Line Co.,Ltd. Patentee after: Beijing Yuanda enbang industrial automatic door Co.,Ltd. Address before: 100048 No. 21 West Zhuang Road, Beijing, Haidian District Patentee before: BEIJING INSTITUTE OF WATER Patentee before: BEIJING BRANCH OFFICE, CONSTRUCTION AND ADMINISTRATION BUREAU OF SOUTH-TO-NORTH WATER DIVERSION MIDDLE ROUTE PROJECT Patentee before: Beijing Yuanda enbang industrial automatic door Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |