Electric airtight door for bridge engineering

Abstract

The invention discloses an electric air-tight door for bridge engineering, which relates to the technical field of air-tight doors and comprises a bridge body, a control system, a door opener, a door frame system, a door leaf system, a rotating system, a locking system, a transmission mechanism and a sealing mechanism. The door leaf system is fixed on the door frame system through a door leaf fixing frame; the bridge body provides frame fixing and supporting for the control system, the door opener, the door frame system, the door leaf system, the rotating system, the locking system, the transmission mechanism and the sealing mechanism, the door leaf system and the door frame system are connected together through the rotating system through a connecting rod assembly, and the door opener and the transmission mechanism provide and transmit power for the rotating system. The locking system and the sealing mechanism are used in cooperation to achieve overall locking and sealing of the electric air-tight door. The device is ingenious in conception, fast and stable in operation, safe and reliable, has the advantages of airtightness, heat preservation, impact resistance, wind prevention, dust prevention and the like, and has good market prospects and development space compared with the prior art.

Description

Technical Field

[0001] The invention relates to the technical field of airtight doors, and in particular to an electric airtight door used in bridge engineering. Background Art

[0002] Airtight doors are special doors that are indispensable in many organizations. The operation of airtight doors is directly related to the service life of the entire product. Bridge airtight doors are construction equipment used for bridge engineering maintenance and corrosion prevention to extend service life. At present, the maintenance doors of existing bridge projects mainly rely on traditional simple steel structures. The structure is relatively bulky and difficult to disassemble and assemble. The opening method basically relies on manual opening, with a low degree of automation, requiring more manpower, and increasing labor intensity. After being put into operation, the manual opening method is used, which also makes the maintenance efficiency low.

[0003] Therefore, how to design an airtight door that runs quickly and smoothly, is safe and reliable, and has the characteristics of airtightness, heat preservation, impact resistance, windproof and dustproof has become a problem that must be solved for current bridge maintenance doors. Summary of the invention

[0004] In order to solve the technical problems that the inspection doors of existing bridge projects mainly rely on traditional simple steel structures, which are relatively bulky and difficult to disassemble and assemble, and the opening method basically relies on manual opening, with a low degree of automation, requiring a lot of manpower, and increasing labor intensity. After being put into operation, the manual opening method is used, which also makes the inspection efficiency low, the present invention provides an electric airtight door for bridge projects to achieve ingenious design, fast and stable operation, safety and reliability, and the purpose of airtightness, heat preservation, impact resistance, windproof and dustproof.

[0005] The technical solution adopted by the present invention to solve the above technical problems is: an electric airtight door for bridge engineering, including a bridge body, a control system, a door opener, a door frame system, a door leaf system, a rotation system, a locking system, a transmission mechanism and a sealing mechanism; the door frame system includes a door frame, an inner frame and a door leaf fixing frame, the door frame is a rectangular frame structure, the two corners at the lower end of the door frame are chamfered to form an arc structure that is convenient for sealing and fixing, the inner frame is arranged on the inner side of the door frame, the door leaf fixing frame is horizontally arranged at the lower edge of the inner frame, and the door leaf system is fixed to the door frame system through the door leaf fixing frame; the bridge body provides a frame fixing support for the control system, the door opener, the door frame system, the door leaf system, the rotation system, the locking system, the transmission mechanism and the sealing mechanism, the rotation system connects the door leaf system and the door frame system together through a connecting rod assembly, the door opener and the transmission mechanism provide and transmit power to the rotation system, and the locking system and the sealing mechanism are used in combination to achieve the overall locking and sealing of the electric airtight door.

[0006] As a further optimization scheme of the above-mentioned electric airtight door used for bridge engineering, the door leaf system includes a door leaf panel, a door leaf frame, and a lock seat, wherein the door leaf panel is arranged in the door leaf frame, the door leaf frame matches the size and shape of the inner frame, the lock seat is arranged in the middle of the door leaf panel, and a locking system is arranged in the lock seat.

[0007] As a further optimization scheme of the above-mentioned electric airtight door used for bridge engineering, the rotating system includes a driving shaft, four connecting rods and a driven shaft. The input end of the driving shaft is fixedly connected to the transmission mechanism, and the output end of the driving shaft is connected to the driven shaft through a connecting rod. The driven shaft is fixed on the door leaf system. The transmission mechanism controls the rotating system through a four-link mechanism to rotate the door leaf system on the door frame system to open and close.

[0008] As a further optimization scheme of the above-mentioned electric airtight door used for bridge engineering, the locking system includes a lock passage structure, a lock locking tongue, a door lock rotating shaft, a door lock handle and a handle seat. The lock passage structure is passed through the door leaf panel, the door lock rotating shaft is arranged in the lock passage structure, the lock locking tongue is arranged on one side of the door lock rotating shaft, the door lock handle is arranged at both ends of the door lock rotating shaft, and a handle seat is arranged at the tail of the door lock handle. After the door leaf system is closed, the lock locking tongue is pulled down to lock it.

[0009] As a further optimization scheme of the above-mentioned electric airtight door for bridge engineering, the transmission mechanism includes an active synchronous wheel, a synchronous transmission belt, a driven synchronous wheel, a driving gear and a driven gear. The active synchronous wheel is arranged on the active shaft, and the driven synchronous wheel is arranged on the driven shaft. The active synchronous wheel is connected with the driven synchronous wheel through a synchronous transmission belt to drive the connecting rod to move and control the rotation of the rotating system. A driving gear is arranged below the driven synchronous wheel, and a driven gear is arranged on one side of the driving gear.

[0010] As a further optimization solution of the above-mentioned electric airtight door for bridge engineering, the sealing mechanism is located between the door frame system and the door leaf system. The sealing mechanism includes a sealing strip and a sealing ring. The sealing strip is processed with a compression technology to ensure the airtightness of the airtight door.

[0011] As a further optimization solution for the above-mentioned electric airtight door used in bridge engineering, the control system includes an intelligent microcomputer, a sensor and an automatic monitor. The intelligent microcomputer adjusts the door opening and closing speed and closing time according to the door opening and closing signals input by the sensor and the automatic monitor.

[0012] As a further optimization solution of the above-mentioned electric airtight door used in bridge engineering, the door opener includes a small motor and a reducer. The door opener provides original power for the airtight door. When receiving the door opening and closing signal input, the door opener operates to generate power output.

[0013] The advantages of the present invention compared with the prior art are:

[0014] 1. The present invention adopts an electric door opener locking and opening structure, which can simultaneously achieve the dual goals of improving maintenance efficiency and waterproofing and moisture-proofing, thereby improving the efficiency of bridge maintenance.

[0015] 2. The present invention realizes automatic opening and closing of the door, thereby improving the convenience of operation.

[0016] 3. The use of sealing mechanism ensures good sealing performance of the airtight door when it is closed, meeting high sealing requirements.

[0017] 4. The overall structure of the present invention is compact and easy to install, and is suitable for various bridge passages or inspection openings that require high sealing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the electric airtight door of the present invention.

[0019] Figure 2 It is a schematic diagram of the side structure of the electric airtight door of the present invention.

[0020] Figure 3 It is a schematic diagram of the main structure of the door frame system.

[0021] Figure 4 It is a schematic diagram of the side structure of the door frame system.

[0022] Figure 5 It is a schematic diagram of the main structure of the door leaf system.

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the rotating system.

[0024] Figure 7 It is a schematic diagram of the cross-sectional structure of the locking system.

[0025] Figure 8 It is a schematic diagram of the main structure of the transmission mechanism.

[0026] As shown in the figure: 1. Bridge body, 2. Control system, 3. Door opener, 4. Door frame system, 401. Door frame, 402. Inner frame, 403. Door leaf fixing frame, 5. Door leaf system, 501. Door leaf panel, 502. Door leaf frame, 503. Lock seat, 6. Rotation system, 601. Driving shaft, 602. Connecting rod, 603. Driven shaft, 7. Locking system, 701. Lock travel structure, 702. Lock stop tongue, 703. Door lock rotating shaft, 704. Door lock handle, 705. Handle seat, 8. Transmission mechanism, 801. Driving synchronous wheel, 802. Synchronous conveyor belt, 803. Driven synchronous wheel, 804. Driving gear, 805. Driven gear, 9. Sealing mechanism. DETAILED DESCRIPTION

[0027] In the description of the present invention, it is necessary to understand that the orientations or positional relationships indicated by terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “inside”, “outside”, “vertical” and “circumferential” are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The electric airtight door for bridge engineering of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] Combined with Figure 1-8 , the present invention is introduced in detail.

[0031] An electric airtight door for bridge engineering, comprising a bridge body 1, a control system 2, a door opener 3, a door frame system 4, a door leaf system 5, a rotation system 6, a locking system 7, a transmission mechanism 8 and a sealing mechanism 9; the door frame system 4 comprises a door frame 401, an inner frame 402 and a door leaf fixing frame 403, the door frame 401 is a rectangular frame structure, the two corners at the lower end of the door frame 401 are rounded to form an arc structure that is convenient for sealing and fixing, the inner frame 402 is arranged on the inner side of the door frame 401, and the door leaf fixing frame 403 is horizontally arranged on the inner frame At the lower edge of 402, the door leaf system 5 is fixed to the door frame system 4 through the door leaf fixing bracket 403; the bridge body 1 provides a frame fixing support for the control system 2, the door opener 3, the door frame system 4, the door leaf system 5, the rotation system 6, the locking system 7, the transmission mechanism 8 and the sealing mechanism 9; the rotation system 6 connects the door leaf system 5 with the door frame system 4 through a connecting rod assembly; the door opener 3 and the transmission mechanism 8 provide and transmit power to the rotation system 6; the locking system 7 and the sealing mechanism 9 cooperate to achieve the overall locking and sealing of the electric airtight door.

[0032] The door system 5 includes a door panel 501, a door frame 502 and a lock seat 503, wherein the door panel 501 is arranged in the door frame 502, the door frame 502 matches the size and shape of the inner frame 402, the lock seat 503 is arranged in the middle of the door panel 501, and a locking system 7 is arranged in the lock seat 503.

[0033] The rotating system 6 includes a driving shaft 601, four connecting rods 602 and a driven shaft 603. The input end of the driving shaft 601 is fixedly connected to the transmission mechanism 8, and the output end of the driving shaft 601 is connected to the driven shaft 603 through the connecting rod 602. The driven shaft 603 is fixed on the door leaf system 5. The transmission mechanism 8 controls the rotating system 6 through a four-link mechanism to rotate and open and close the door leaf system 5 on the door frame system 4.

[0034] The locking system 7 includes a lock passage structure 701, a lock stop tongue 702, a door lock rotating shaft 703, a door lock handle 704 and a handle seat 705. The lock passage structure 701 is passed through the door panel 501, the door lock rotating shaft 703 is arranged in the lock passage structure 701, the lock stop tongue 702 is arranged on one side of the door lock rotating shaft 703, the door lock handle 704 is arranged at both ends of the door lock rotating shaft 703, and a handle seat 705 is arranged at the tail of the door lock handle 704. After the door system 5 is closed, the lock stop tongue 702 is pulled down to lock it.

[0035] The transmission mechanism 8 includes an active synchronous wheel 801, a synchronous transmission belt 802, a driven synchronous wheel 803, a driving gear 804 and a driven gear 805. The active synchronous wheel 801 is arranged on the active shaft 601, and the driven synchronous wheel 803 is arranged on the driven shaft 603. The active synchronous wheel 801 is connected with the driven synchronous wheel 803 through the synchronous transmission belt 802, driving the connecting rod 602 to move and controlling the rotation of the rotating system 6. A driving gear 804 is arranged below the driven synchronous wheel 803, and a driven gear 805 is arranged on one side of the active gear 804.

[0036] The sealing mechanism 9 is located between the door frame system 4 and the door leaf system 5. The sealing mechanism 9 includes a sealing strip and a sealing ring. The sealing strip is processed by a compression technology to ensure the airtightness of the airtight door.

[0037] The control system 2 includes an intelligent microcomputer, a sensor and an automatic monitor. The intelligent microcomputer adjusts the door opening and closing speed and the door closing time according to the door opening and closing signals input by the sensor and the automatic monitor.

[0038] The door opener 3 includes a small motor and a reducer. The door opener 3 provides the original power for the airtight door. When receiving the door opening and closing signal input, the door opener operates and generates power output.

[0039] The specific implementation process of the electric airtight door for bridge engineering of the present invention is as follows:

[0040] In specific implementation, the bridge body 1 is a bridge structure, which is used to provide a fixing device for the entire electric airtight door. When the bridge project needs to be repaired, the required repair part can be entered through the electric airtight door.

[0041] When the electric door needs to be started, the control system 2 receives a door opening signal, the door opener 3 outputs power to drive the rotating mechanism 6 to operate, and the rotating mechanism 6 drives the door frame mechanism 4 and the door leaf system 5 to open or close the electric door.

[0042] When the overhaul is completed, it is not necessary to frequently open and close, and the locking system 7 can be locked. After this, the power supply can be turned off and the sealing effect of the airtight door will not be affected.

[0043] The control system of the present invention has over-voltage, over-current and over-heat protection inside. It can be designed with intelligent microcomputer control, open and close by remote sensing or contact hand sensor, and has automatic monitoring status, and can adjust the door opening and closing speed and closing time.

[0044] The invention is ingenious in conception, runs fast and smoothly, is safe and reliable, and has the advantages of airtightness, heat preservation, impact resistance, wind and dust resistance. It solves the problem that the inspection doors of existing bridge projects mainly rely on traditional simple steel structures, which are relatively bulky and difficult to disassemble and assemble. The opening method basically relies on manual opening, with a low degree of automation, requiring a lot of manpower, and increasing labor intensity. After being put into operation, the manual opening method is used, which also makes the inspection efficiency low. For the existing technology, it has a good market prospect and development space.

[0045] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. An electric airtight door for bridge engineering, characterized by: It comprises a bridge body (1), a control system (2), a door opener (3), a door frame system (4), a door leaf system (5), a rotation system (6), a locking system (7), a transmission mechanism (8) and a sealing mechanism (9); The door frame system (4) comprises a door frame (401), an inner frame (402) and a door leaf fixing frame (403); the door frame (401) is a rectangular frame structure; two corners at the lower end of the door frame (401) are chamfered to form an arc-shaped structure that is convenient for sealing and fixing; the inner frame (402) is arranged on the inner side of the door frame (401); and the door leaf fixing frame (403) is horizontally arranged at the lower edge of the inner frame (402); The door leaf system (5) is fixed to the door frame system (4) via a door leaf fixing frame (403); the bridge body (1) provides a frame fixing support for the control system (2), the door opener (3), the door frame system (4), the door leaf system (5), the rotation system (6), the locking system (7), the transmission mechanism (8) and the sealing mechanism (9); the rotation system (6) connects the door leaf system (5) and the door frame system (4) together via a connecting rod assembly; the door opener (3) and the transmission mechanism (8) provide and transmit power to the rotation system (6); the locking system (7) and the sealing mechanism (9) are used in combination to achieve overall locking and sealing of the electric airtight door.

2. The electric airtight door for bridge engineering according to claim 1 is characterized in that: The door leaf system (5) comprises a door leaf panel (501), a door leaf frame (502) and a lock seat (503); the door leaf panel (501) is arranged in the door leaf frame (502); the door leaf frame (502) matches the inner frame (402) in size and shape; the lock seat (503) is arranged in the middle of the door leaf panel (501); and the locking system (7) is arranged in the lock seat (503).

3. The electric airtight door for bridge engineering according to claim 1 is characterized in that: The rotating system (6) comprises a driving shaft (601), four connecting rods (602) and a driven shaft (603); the input end of the driving shaft (601) is fixedly connected to a transmission mechanism (8); the output end of the driving shaft (601) is connected to a driven shaft (603) via a connecting rod (602); the driven shaft (603) is fixed to a door leaf system (5); and the transmission mechanism (8) controls the rotating system (6) via a four-link mechanism to rotate and open the door leaf system (5) on the door frame system (4).

4. The electric airtight door for bridge engineering according to claim 2 is characterized in that: The locking system (7) comprises a lock passing structure (701), a lock stopping tongue (702), a door lock rotating shaft (703), a door lock handle (704) and a handle seat (705); the lock passing structure (701) is passed through the door leaf panel (501); the door lock rotating shaft (703) is arranged in the lock passing structure (701); the lock stopping tongue (702) is arranged on one side of the door lock rotating shaft (703); the door lock handle (704) is arranged at both ends of the door lock rotating shaft (703); and the handle seat (705) is arranged at the rear end of the door lock handle (704); after the door leaf system (5) is closed, the lock stopping tongue (702) is pulled down to lock the door.

5. The electric airtight door for bridge engineering according to claim 3 is characterized in that: The transmission mechanism (8) comprises a driving synchronous wheel (801), a synchronous transmission belt (802), a driven synchronous wheel (803), a driving gear (804) and a driven gear (805); the driving synchronous wheel (801) is arranged on a driving shaft (601); the driven synchronous wheel (803) is arranged on a driven shaft (603); the driving synchronous wheel (801) is connected to the driven synchronous wheel (803) through a synchronous transmission belt (802); the driving connecting rod (602) moves and controls the rotation of the rotating system (6); the driving gear (804) is arranged below the driven synchronous wheel (803); and the driven gear (805) is arranged on one side of the driving gear (804).

6. The electric airtight door for bridge engineering according to claim 1, characterized in that: The sealing mechanism (9) is located between the door frame system (4) and the door leaf system (5), and comprises a sealing strip and a sealing ring. The sealing strip is processed by a compression technology to ensure the airtightness of the airtight door.

7. The electric airtight door for bridge engineering according to claim 1, characterized in that: The control system (2) comprises an intelligent microcomputer, a sensor and an automatic monitor. The intelligent microcomputer adjusts the door opening and closing speed and the door closing time according to the door opening and closing signals input by the sensor and the automatic monitor.

8. The electric airtight door for bridge engineering according to claim 1, characterized in that: The door opener (3) comprises a small motor and a reducer. The door opener (3) provides original power for the airtight door. When receiving a door opening / closing signal input, the door opener is activated to generate power output.

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