CN114320125A - Sill-free lifting sealing system for subway and tunnel main line protective equipment - Google Patents
Sill-free lifting sealing system for subway and tunnel main line protective equipment Download PDFInfo
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- CN114320125A CN114320125A CN202111629694.1A CN202111629694A CN114320125A CN 114320125 A CN114320125 A CN 114320125A CN 202111629694 A CN202111629694 A CN 202111629694A CN 114320125 A CN114320125 A CN 114320125A
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Abstract
The invention belongs to the technical field of civil air defense engineering protection equipment, and particularly relates to a sill-free lifting sealing system of subway and tunnel main line protection equipment, which comprises a sealing beam, a lifting mechanism and a guiding device, wherein the sealing beam is arranged on the sealing beam; the sealing beam is used for matching the door leaf below the door leaf to realize the sealing of the door leaf and the plane of the ballast bed and the sealing of the track side groove; the lifting mechanism is arranged on the door leaf and connected with the sealing beam; the guide device comprises a limiting guide block and a guide block; the limiting guide block is installed on the door leaf, a limiting groove is formed in the limiting guide block, the guide block is installed on the sealing beam, and the guide block is in sliding fit with the limiting groove to limit the stroke range of the sealing beam and provide guidance for the sealing beam. In the invention, the sealing beam is driven to lift by the lifting mechanism, so that the peacetime and wartime conversion time is short, and time and labor are saved. The sealing beam is connected with the guide device, so that firmness and reliability are realized, and safety accidents caused by misoperation can be avoided.
Description
Technical Field
The invention belongs to the technical field of civil air defense engineering protection equipment, and particularly relates to a sill-free lifting sealing system for subway and tunnel main line protection equipment.
Background
In the civil air defense design specification of the rail traffic engineering, the wartime function positioning of the rail traffic engineering is specified as follows: under the action of planned nuclear weapons, biochemical weapons, conventional weapons and urban secondary disasters after attack, the rail transit engineering has the functions of guaranteeing safe traffic, transfer and material transportation of personnel during wartime, and is suitable to be used as an emergency personnel shelter and a material storage place during station wartime.
In civil air defense design of rail transit engineering, a station and an adjacent area are generally used as a protection unit. The underground rail transit after fortification is a large civil air defense project formed by connecting a plurality of stations through tunnels. In order to ensure that the performance of the protection functions of other stations is not influenced under the condition that the civil air defense function of one station is lost in wartime, protection airtight partition doors capable of bidirectionally and respectively bearing shock wave loads are arranged in tunnels between the stations. A protective airtight door and an airtight door are arranged on an entrance and exit section line leading from the tunnel to the vehicle section, and are stressed in a single direction.
At present, tunnel positive line protective equipment includes the wall door between the station and the section line people's air defense door of cominging in and going out, and wherein, except that the load value and the direction of bearing are different, two door body structural style are the same basically. The existing tunnel positive line protection equipment mainly comprises an interval movable threshold protection closed partition door and an entrance and exit section movable threshold protection closed partition door, wherein the interval movable threshold protection closed partition door and the entrance and exit section movable threshold protection closed partition door both adopt a movable threshold rail sealing beam form to seal a rail. The movable doorsill is hung on the door leaf at ordinary times, and is manually taken down and installed when in use. The movable doorsill is connected with the lower doorsill of the doorframe through bolts, so that the reliable sealing of the ballast bed plane and the track side groove is realized.
Although the design solves the problem of the conversion of the flat function, the movable doorsill needs to be installed in place firstly and then the door leaf is closed to realize the protection function when the flat function is converted into the wartime function, and the movable doorsill needs to be detached after the door leaf is opened when the wartime is converted into the flat function. In order to enable the movable doorsill to bear the shock wave load transmitted by the door leaf, the movable doorsill has to have higher structural strength, so the weight of the movable doorsill is heavier, generally about 200Kg, and the movable doorsill needs to be designed to be longer and higher along with the influence of factors such as the increase of the width of a door hole, the larger the ultrahigh value of a track, the larger the opening gradient of the door leaf in the upward slope direction and the like, so that the movable doorsill is heavier. In addition, the movable doorsill is connected with the lower doorframe through about 30 bolts, so that time and labor are wasted during installation. In addition, the storage, maintenance and theft prevention of the movable doorsill on the spot are also a problem which cannot be ignored.
Therefore, the live threshold structure of the design has the problems of long peacetime and wartime conversion time, heavy structure, time and labor waste and the like. In addition, the interval partition door is required to be capable of conveying materials and wounded persons during the war and is required to be capable of being opened and closed at any time, so that the existing movable threshold protective closed partition door cannot completely meet the technical indexes of civil air defense engineering tactics and the requirement of the war.
With the rapid development of the urbanization process in China, the urban range is rapidly expanded, and simultaneously the urban form is converted from a single center to a multi-center and grouped form, so that various forms of curve lines and loop lines in the planning of the urban rail transit network continuously appear. For the partition protection of subway civil air defense engineering, the general setting requirement of the protective airtight partition door is more and more difficult to meet, so that the less common problems in the past become common problems at present and later. The defects of the protective closed partition door adopting a movable threshold mode are necessary to be researched and overcome and perfected so as to improve the adaptability and the universality of the protective closed partition door.
Disclosure of Invention
In order to solve the problems, the invention provides a sill-free lifting sealing system for subway and tunnel main line protective equipment, which adopts the following technical scheme:
a sill-free lifting sealing system of subway and tunnel main line protection equipment is used for being installed on a door leaf and comprises a sealing beam, a lifting mechanism and a guiding device; the sealing beam is used for matching the door leaf below the door leaf to realize the sealing of the door leaf and the plane of the ballast bed and the sealing of the track side groove; the lifting mechanism is arranged on the door leaf, is connected with the sealing beam and is used for driving the sealing beam to move up and down; the guide device comprises a limiting guide block and a guide block; the limiting guide block is installed on the door leaf, a limiting groove is formed in the limiting guide block, the guide block is installed on the sealing beam, and the guide block is in sliding fit with the limiting groove to limit the stroke range of the sealing beam and provide guidance for the sealing beam.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the lifting mechanism comprises a speed reducer, an operation component, a transmission component, a commutator and an output component; the speed reducer is arranged on the door leaf and used for improving output torque; the control component is connected with the input end of the speed reducer and used for providing a control position; one end of the transmission component is connected with the output end of the speed reducer, and the other end of the transmission component is connected with the commutator and used for transmitting torque; the reversing device is arranged on the door leaf, the input end of the reversing device is connected with the other end of the transmission part, and the output end of the reversing device is connected with one end of the output part and used for converting the torque direction; the other end of the output part is connected with the sealing beam, and the output part is used for stretching and retracting to drive the sealing beam to move up and down when rotating.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the speed reducer is a worm gear speed reducer, the input end of the speed reducer is a worm shaft, and the output end of the speed reducer is a worm gear rod.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the control component comprises a hand wheel, and the hand wheel is connected with the input end of the speed reducer and is used for driving the speed reducer to move when rotating; the axis of the hand wheel is collinear with the axis of the worm shaft.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the control component further comprises a hand crank, the hand crank is L-shaped and comprises a longitudinal rod and a transverse rod, the longitudinal rod is connected with the input end of the speed reducer, and the transverse rod is used for providing a hand-cranking position; the length direction of the cross bar is parallel to the axial direction of the worm shaft.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the transverse rod is rotatably connected with the longitudinal rod, and the rotation axis is the axis of the transverse rod.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the hand wheel and the hand crank are respectively arranged at two ends of the worm shaft.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the transmission part comprises a first transmission rod and a second transmission rod, and the first transmission rod is hinged with the second transmission rod; the first transmission rod is connected with the output end of the speed reducer, and the second transmission rod is connected with the commutator.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the input end of the commutator is perpendicular to the output end of the commutator, and the length direction of the transmission component is perpendicular to the length direction of the output component.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the output part comprises a bearing seat, an output sleeve, a screw rod and a connecting piece; the bearing seats are arranged on the door leaf, and paired thrust ball bearings are arranged on the bearing seats; one end of the output sleeve is connected with the output end of the commutator, and the other end of the output sleeve is connected with the thrust ball bearing; the other end of the output sleeve is provided with a clamping boss on the outer wall, and the clamping boss is clamped between the two thrust ball bearings; the other end of the output sleeve is provided with threads on the inner wall, and the threads are connected with one end of the screw rod; the other end of the screw rod is connected with the sealing beam through the connecting piece.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the connecting piece comprises a first connecting seat, a connecting block and a second connecting seat; the first connecting seat is connected with the other end of the screw rod, and the second connecting seat is connected with the sealing beam; the connecting block is provided with a first hinged end and a second hinged end, the first hinged end is hinged with the first connecting seat, and the second hinged end is hinged with the second connecting seat; the axis of rotation of the first hinged end is perpendicular to the axis of rotation of the second hinged end; the rotation axis of the first hinged end or the rotation axis of the second hinged end is perpendicular to the leaf surface of the door leaf.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the transmission component, the commutator and the output component are two, are arranged in pairs and are connected with the same speed reducer; the thread turning directions of the two screw rods are opposite, and the turning directions of the threads on the two output sleeves are opposite.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the sealing beam comprises a cross beam, a positioning block and a track sealing element; the cross beam is respectively connected with the lifting mechanism and the guide block and is used for sealing the door leaf and the ballast bed plane; the positioning block is arranged on the cross beam, and the bottom of the positioning block is conical and is inserted into the positioning hole to prevent the horizontal displacement of the cross beam; the rail seal is mounted to the bottom of the cross beam for sealing the rail side groove.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the number of the positioning blocks is multiple.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the bottom of the beam is horizontally arranged.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the bottom of the cross beam is obliquely arranged, and the height of one end is higher than that of the other end along the length direction.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the crossbeam is cavity structures, and inside is equipped with the reinforcing plate, the reinforcing plate is a plurality of, and along length direction, it is a plurality of the reinforcing plate is parallel arrangement.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the cross beam is provided with sealing strips, and the sealing strips are used for sealing gaps between the cross beam and the door leaf and gaps between the cross beam and a ballast bed plane; the cross section of the sealing strip is in an omega shape and comprises a connecting part and a compressing part; the connecting part is strip-shaped and is used for being attached to the cross beam; the compression part is annular and is used for deforming when being pressed.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: still include the track seal box, the track seal box is installed in the track outside, is used for cooperating the sealed roof beam seals track side groove.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: the sealing beam further comprises an angle fitting block, wherein the angle fitting block is located at an included angle between the plane of the ballast bed and the side wall and used for sealing two bottom angles of the sealing beam in the length direction.
The sill-free lifting sealing system for the subway and tunnel main line protection equipment further preferably comprises: and sealing rubber strips are arranged between the track sealing box and the sealing beam and between the corner fitting block and the sealing beam.
Analysis shows that compared with the prior art, the invention has the advantages and beneficial effects that:
in the invention, the sealing beam can be matched with the door leaf to realize sealing. The sealing beam is connected with the lifting mechanism and can be driven by the lifting mechanism to lift, so that the workload of manually disassembling the movable doorsill is avoided, and the conversion time of peacetime and wartime is short, time and labor are saved. The sealing beam is connected with the guide device, so that the connection between the sealing beam and the door leaf can be enhanced, and the structural firmness and the sealing reliability are improved. When the sealing beam goes up and down, the guide device can play a role in guiding, so that the movement track of the sealing beam is normalized, and the reliability of the lifting operation of the sealing beam is ensured. When the guide device guides, the guide block can only slide in the limit groove, so that the forming range of the sealing beam can be limited, and safety accidents caused by misoperation are avoided.
Drawings
Fig. 1 is a schematic structural view of a sill-free lifting sealing system of subway and tunnel main line protection equipment.
Fig. 2 is a schematic structural diagram of the lifting mechanism.
Fig. 3 is a schematic view (curved section) of the connection of the sealing beam to the guiding device.
Fig. 4 is a cross-sectional view at a of fig. 2.
Fig. 5 is a cross-sectional view at B of fig. 2 (the sealing strip in a compressed state).
Fig. 6 is a cross-sectional view at C of fig. 3 (the sealing strip in a compressed state).
Fig. 7 is a cross-sectional view at D of fig. 3 (the sealing strip is in a compressed state).
Fig. 8 is a cross-sectional view at E of fig. 3 (the sealing strip in a compressed state).
Fig. 9 is a schematic view of the installation of the sealing rubber strip and the sealing strip on the sealing beam.
Fig. 10 is a cross-sectional view at F of fig. 9 (the sealing tape is in a natural state).
Fig. 11 is a cross-sectional view at G of fig. 9 (the sealing tape is in a natural state).
FIG. 12 is a cross-sectional view of the weatherstrip of FIG. 9 at H, as seen in its natural state.
In the figure: 1-hand wheel; 2-a transmission component; 3-a commutator; 4-an output member; 5-limiting guide block; 6-a limiting groove; 7-a guide block; 8-a cross beam; 9-sealing strips; 10-a rail seal; 11-track seal box; 12-positioning blocks; 13-sticking corner blocks; 14-a first transfer lever; 15-a second transmission rod; 16-a connector; 17-a reducer; 18-a hand crank; 19-door leaf; 20-an output cannula; 21-a bearing seat; 22-a screw rod; 23-a first connection mount; 24-connecting blocks; 25-a second connection seat; 26-sealing rubber strips; 27-a compression section; 28-connecting part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1 to 12, fig. 1 is a schematic structural diagram of a sill-free lifting sealing system of subway and tunnel main line protection equipment; FIG. 2 is a schematic structural diagram of the lifting mechanism; FIG. 3 is a schematic view (curved section) of the seal beam connection to the guide; FIG. 4 is a cross-sectional view of FIG. 2 at A; FIG. 5 is a cross-sectional view at B of FIG. 2 (the sealing strip in a compressed state); FIG. 6 is a cross-sectional view at C of FIG. 3 (with the seal strip in a compressed state); FIG. 7 is a cross-sectional view taken at D in FIG. 3 (with the seal strip in a compressed state); FIG. 8 is a cross-sectional view at E of FIG. 3 (with the seal strip in a compressed state); FIG. 9 is a schematic view of the installation of the joint strip and the seal strip on the seal beam; FIG. 10 is a cross-sectional view at F of FIG. 9 (the sealing strip is in a natural state); FIG. 11 is a cross-sectional view of FIG. 9 at G (the sealing strip is in a natural state); FIG. 12 is a cross-sectional view of the weatherstrip of FIG. 9 at H, as seen in its natural state.
The invention provides a sill-free lifting sealing system of subway and tunnel main line protective equipment, which is arranged on a door leaf 19 when in use. Specifically, subway and tunnel main line protective equipment does not have threshold lift sealing system mainly includes sealing beam, elevating system and guider. The sealing beam can be engaged with the door 19 below the door 19, thereby achieving sealing between the door 19 and the track bed plane and sealing between the track side grooves. The lifting mechanism is arranged on the door leaf 19 and connected with the sealing beam, and can drive the sealing beam to move up and down. The guide device comprises a limiting guide block 5 and a guide block 7, the limiting guide block 5 is installed on the door leaf 19, a limiting groove 6 is formed in the limiting guide block 5, and the guide block 7 is installed on the sealing beam. When the sealing beam goes up and down, the guide block 7 can be in sliding fit with the limiting groove 6 and slide in the limiting groove 6, so that the stroke range of the sealing beam is limited and the guide is provided for the sealing beam.
The invention provides a threshold-free lifting sealing system of subway and tunnel main line protective equipment, which can overcome the defects caused by adopting a movable threshold mode for a protective airtight partition door, has the advantages of ingenious conception, simple and reasonable structure, flexible opening and closing, simple, convenient and quick sealing operation, reliable function, economy, practicability and convenient maintenance, and completely meets various tactical technical requirements. The sealing beam plays a role of a doorsill and can be matched with the door leaf 19 to realize sealing. The sealing beam is connected with the lifting mechanism and can be driven by the lifting mechanism to lift, so that the workload of manually disassembling the movable doorsill is avoided, and the conversion time of peacetime and wartime is short, time and labor are saved. The sealing beam is connected with the guiding device, so that the connection between the sealing beam and the door leaf 19 can be enhanced, and the structural firmness and the sealing reliability are improved. When the sealing beam goes up and down, the guide device can play a role in guiding, so that the movement track of the sealing beam is normalized, and the reliability of the lifting operation of the sealing beam is ensured. When the guide device is used for guiding, the guide block 7 can only slide in the limiting groove 6, so that the forming range of the sealing beam can be limited, and safety accidents caused by misoperation are avoided. The invention greatly improves the reliability of the protection function of the rail transit engineering and the peacetime conversion efficiency, is convenient and fast in peacetime conversion, reduces the engineering fortification investment and has great military benefit and economic benefit.
As an improvement of the present invention, as shown in fig. 1 to 12, the present invention further provides the following modifications:
in the invention, the length direction of the limiting groove 6 is along the vertical direction, the bottom end of the limiting groove 6 is open, the top end is closed, and the limiting groove has a stroke terminal. The limiting groove 6 is in sliding fit with the guide block 7, and when the guide block 7 runs to be in contact with a stroke terminal, the sealing beam runs to the top end of the stroke; when the sealing beam runs to the bottom end of the stroke (plays a sealing role), the top end of the guide block 7 is higher than the bottom end of the limiting groove 6. The bottom end of the limiting groove 6 is opened, so that the descending stroke of the sealing beam is not limited, and the sealing reliability can be ensured.
In the present invention, the lifting mechanism includes a speed reducer 17, a manipulation member, a transmission member 2, a commutator 3, and an output member 4. Specifically, reduction gear 17 installs on door leaf 19, and the control part links to each other with reduction gear 17's input, and transmission part 2 one end links to each other with reduction gear 17's output, and the other end links to each other with commutator 3, and commutator 3 installs on door leaf 19, and commutator 3's input links to each other with transmission part 2's the other end, and commutator 3's output links to each other with output part 4's one end, and output part 4's the other end links to each other with the sealed roof beam. When the sealing beam lifting device is used, the speed reducer 17 is used for improving output torque, so that labor can be saved, and the sealing beam can be lifted by a single person. The control component is connected with the manpower of an operator and can provide a control position for the operator. The transmission part 2 transmits the torque of the speed reducer 17 to the commutator 3, the commutator 3 can convert the torque direction and transmit the torque direction to the output part 4, and the output part 4 can stretch and retract when rotating, so that the sealing beam can be driven to move up and down.
Further, in the invention, the speed reducer 17 is a worm speed reducer, and is small in size and convenient to arrange. The worm gear reducer is provided with a brake clutch, has a self-locking function, and can avoid misoperation of the sealing beam. The input end of the reducer 17 is a worm shaft, and the output end is a worm rod.
Further, in the invention, the control part comprises a hand wheel 1, the hand wheel 1 is connected with the input end (worm shaft) of the speed reducer 17, and the axis of the hand wheel 1 is collinear with the axis of the worm shaft, so that the speed reducer 17 can be driven to move when the hand wheel 1 is rotated, and the lifting of the sealing beam is further realized. For example, when the hand wheel 1 is rotated counterclockwise, the seal beam is raised, and when the hand wheel 1 is rotated clockwise, the seal beam is lowered.
Further, in the present invention, the control part further includes a hand crank 18, the hand crank 18 is L-shaped, and includes a longitudinal rod and a transverse rod, the longitudinal rod is connected to the input end (worm shaft) of the speed reducer 17, and the transverse rod provides a hand-cranking position. The length direction of the cross rod is parallel to the axis direction of the worm shaft, so that the lifting of the sealing beam can be realized by shaking the cross rod by taking the axis of the worm shaft as the center. Preferably, the cross bar is rotatably connected to the longitudinal bar, the axis of rotation being the axis of the cross bar, so that the palm does not rub against the cross bar when the cross bar is shaken. As an implementation mode, the transverse rod is connected with the longitudinal rod through a bearing, the axis of the bearing is overlapped with the axis of the transverse rod, the transverse rod is sleeved on the outer side of the bearing, and the end part of the longitudinal rod is sleeved on the inner side of the bearing.
Further, in the invention, the hand wheel 1 and the hand crank 18 are respectively installed at two ends of the worm shaft, namely, one end of the worm shaft is connected with the hand wheel 1, the other end of the worm shaft is connected with the hand crank 18, and the hand wheel 1 and the hand crank 18 are respectively located at two sides of the door leaf 19, so that the sealing beam can be controlled to lift by the inner side of the door leaf 19 and can also be controlled to lift by the outer side of the door leaf 19.
In the present invention, the driving member 2 includes a first driving lever 14 and a second driving lever 15, the first driving lever 14 is connected to an output end of the decelerator 17, and the second driving lever 15 is connected to the commutator 3. The first transmission rod 14 is hinged to the second transmission rod 15, so that even if the axis of the first transmission rod 14 is not coincident with the axis of the second transmission rod 15, the transmission component 2 still can have a transmission function, the installation difficulty of the transmission component 2 is reduced, and the risk resistance capability of the transmission component 2 is improved.
Furthermore, in the invention, two transmission parts 2, two commutators 3 and two output parts 4 are used in pairs and are driven by the same speed reducer 17, thus ensuring the transmission reliability and improving the structural strength. The length direction of the transmission part 2 is horizontally arranged, and the length direction of the output part 4 is vertically arranged. The length direction of the transmission member 2 is perpendicular to the length direction of the output member 4. The input end of the commutator 3 is arranged perpendicular to the output end of the commutator 3, so that the torque in the horizontal direction can be converted into the torque in the vertical direction. As an implementation, the commutator 3 may be implemented by means of a bevel gear drive. Specifically, the commutator 3 includes a housing and a pair of bevel gears mounted in the housing, the two bevel gears being engaged with each other with their axes perpendicular to each other.
In the present invention, the output member 4 includes a bearing housing 21, an output sleeve 20, a lead screw 22, and a connecting member 16. The bearing seat 21 is installed on the door leaf 19, and the bearing seat 21 is provided with a pair of thrust ball bearings which can bear thrust load. One end of the output sleeve 20 is connected to the output end of the commutator 3, and the other end is connected to the thrust ball bearing, so that the smoothness of rotation can be ensured. The other end of the output sleeve 20 is provided with a clamping boss on the outer wall, and the clamping boss is clamped between the two thrust ball bearings, so that the push-pull force in the axis direction can be shared by the bearing seat 21, and the reliability in movement is ensured. The other end of the output sleeve 20 is provided with a thread on the inner wall, the thread engages with one end of a lead screw 22, and the other end of the lead screw 22 is connected with the sealing beam through a connecting piece 16. When the reducer 17 rotates, the rotating part is driven to rotate, and the transmission part 2 drives the output sleeve 20 to rotate through the commutator 3. When the output sleeve 20 rotates, the screw rod 22 translates along the axis direction of the output sleeve 20, so that the sealing beam is driven to lift. In addition, the length of the screw rod 22 can be adjusted to ensure that the bottom surface of the positioning block 12 on the sealing beam is not lower than the bottom surface of the door leaf 19 when the bottom surface rises to the highest position. Preferably, when there are two output members 4, the two output members 4 are respectively located on the left and right of the reducer 17, and the thread directions of the two lead screws 22 are opposite, and the thread directions of the two output sleeves 20 are opposite.
Further, in the present invention, the connection member 16 includes a first connection block 23, a connection block 24, and a second connection block 25. The first connecting seat 23 is connected to the other end of the screw rod 22, and the second connecting seat 25 is connected to the sealing beam. Be equipped with first hinged end and second hinged end on connecting block 24, first hinged end is connected with first connecting seat 23 is articulated, and the second hinged end is connected with second connecting seat 25 is articulated. The rotation axis of the first hinged end is perpendicular to the rotation axis of the second hinged end, and the rotation axis of the first hinged end or the rotation axis of the second hinged end is perpendicular to the sector of the door leaf 19. Therefore, the output part 4 (the screw 22) and the sealing beam have two rotational degrees of freedom, one rotational degree of freedom is perpendicular to the leaf of the door leaf 19, and the other rotational degree of freedom is parallel to the leaf of the door leaf 19, so that when the sealing beam descends, the sealing beam is convenient to position, and the position of the sealing beam can be adjusted in the direction perpendicular to the leaf of the door leaf 19 and in the direction parallel to the leaf of the door leaf 19.
In the present invention, the seal beam comprises a cross beam 8, a positioning block 12 and a rail seal 10. The beam 8 is connected with the lifting mechanism and the guide block 7 respectively and is used for sealing the door leaf 19 and the ballast bed plane. A rail seal 10 is mounted to the bottom of the cross beam 8 to seal the rail side channel. The positioning block 12 is installed on the cross beam 8, the bottom of the positioning block 12 is conical, and the positioning block can be inserted into a positioning hole (a positioning hole on a door frame or a pavement) to prevent the horizontal displacement of the cross beam 8, so that the action of the cross beam 8 is ensured to be accurate and in place. Preferably, the positioning blocks 12 are multiple, so that the stress can be dispersed and the accurate positioning of the cross beam 8 is facilitated.
Furthermore, in the invention, the cross beam 8 is of a cavity structure, the interior of the cavity structure is hollow, and the reinforcement plate is arranged, the reinforcement plates are arranged in parallel along the length direction, so that the structural strength of the cross beam 8 can be ensured, and the weight of the cross beam 8 can be reduced.
Further, in the invention, the cross beam 8 is provided with the sealing strips 9, and the sealing strips 9 are used for sealing gaps between the cross beam 8 and the door leaf 19 and gaps between the cross beam 8 and the ballast bed plane. Preferably, the sealing strip 9 is made of rubber, and the cross section of the sealing strip 9 is in an omega shape and comprises a connecting part 28 and a compression part 27. Specifically, the connecting portion 28 and the compression portion 27 are integrally formed, the connecting portion 28 is strip-shaped and attached to the cross beam 8 in use, and the compression portion 27 is annular and deforms to play a sealing role in compression. The annular compression portion 27 has a hollow structure inside, and can increase the compression amount and prevent the rubber from being excessively compressed.
In the invention, the sill-free lifting sealing system of the subway and tunnel main line protection equipment can be suitable for various environments. In particular, the cross-beam 8 may take a variety of forms: firstly, the bottom of the cross beam 8 is horizontally arranged and can be suitable for sealing a straight line segment; secondly, the bottom of the cross beam 8 is obliquely arranged, and the height of one end is higher than that of the other end along the length direction, so that the sealing device is suitable for sealing a curve section.
The invention also comprises a track sealing box 11 and an angle block 13, wherein the track sealing box 11 is arranged on the outer side of the track and can be matched with the track sealing piece 10 on the sealing beam to seal the track side groove. The corner fitting block 13 is positioned at an included angle between the plane of the ballast bed and the side wall and can seal two bottom corners of the sealing beam in the length direction. On the crossbeam 8 of the sealing beam, two bottom angles of the crossbeam 8 are chamfered, so that two ends of the crossbeam 8 are provided with tapers, and the sealing beam is convenient to be pressed with the corner sticking blocks 13. Simultaneously, the tapering setting at 8 both ends of crossbeam can also make things convenient for sealed roof beam to descend, avoids crossbeam 8 to be collided with when descending. In the present invention, the sealing rubber strips 26 are disposed between the track sealing box 11 and the sealing beam and between the corner block 13 and the sealing beam.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
1. The utility model provides a subway and tunnel main line protective equipment does not have threshold lift sealing system for install on the door leaf, its characterized in that includes:
the sealing beam, the lifting mechanism and the guide device;
the sealing beam is used for matching the door leaf below the door leaf to realize the sealing of the door leaf and the plane of the ballast bed and the sealing of the track side groove;
the lifting mechanism is arranged on the door leaf, is connected with the sealing beam and is used for driving the sealing beam to move up and down;
the guide device comprises a limiting guide block and a guide block;
the limiting guide block is installed on the door leaf, a limiting groove is formed in the limiting guide block, the guide block is installed on the sealing beam, and the guide block is in sliding fit with the limiting groove to limit the stroke range of the sealing beam and provide guidance for the sealing beam.
2. The sill-free lifting sealing system for subway and tunnel main line protection equipment as claimed in claim 1, wherein:
the lifting mechanism comprises a speed reducer, an operation component, a transmission component, a commutator and an output component;
the speed reducer is arranged on the door leaf and used for improving output torque;
the control component is connected with the input end of the speed reducer and used for providing a control position;
one end of the transmission component is connected with the output end of the speed reducer, and the other end of the transmission component is connected with the commutator and used for transmitting torque;
the reversing device is arranged on the door leaf, the input end of the reversing device is connected with the other end of the transmission part, and the output end of the reversing device is connected with one end of the output part and used for converting the torque direction;
the other end of the output part is connected with the sealing beam, and the output part is used for stretching and retracting to drive the sealing beam to move up and down when rotating.
3. The sill-free lifting sealing system for subway and tunnel main line protection equipment as claimed in claim 2, wherein:
the speed reducer is a worm gear speed reducer, the input end of the speed reducer is a worm shaft, and the output end of the speed reducer is a worm gear rod;
the control component comprises a hand wheel, and the hand wheel is connected with the input end of the speed reducer and is used for driving the speed reducer to move when rotating;
the axis of the hand wheel is collinear with the axis of the worm shaft;
the control component further comprises a hand crank, the hand crank is L-shaped and comprises a longitudinal rod and a transverse rod, the longitudinal rod is connected with the input end of the speed reducer, and the transverse rod is used for providing a hand-cranking position;
the length direction of the cross bar is parallel to the axial direction of the worm shaft;
the transverse rod is rotatably connected with the longitudinal rod, and the rotation axis is the axis of the transverse rod;
the hand wheel and the hand crank are respectively arranged at two ends of the worm shaft.
4. The sill-free lifting sealing system for subway and tunnel main line protection equipment as claimed in claim 2, wherein:
the transmission part comprises a first transmission rod and a second transmission rod, and the first transmission rod is hinged with the second transmission rod;
the first transmission rod is connected with the output end of the speed reducer, and the second transmission rod is connected with the commutator;
the input end of the commutator is perpendicular to the output end of the commutator, and the length direction of the transmission component is perpendicular to the length direction of the output component.
5. The sill-free lifting sealing system for subway and tunnel main line protection equipment as claimed in claim 2, wherein:
the output part comprises a bearing seat, an output sleeve, a screw rod and a connecting piece;
the bearing seats are arranged on the door leaf, and paired thrust ball bearings are arranged on the bearing seats;
one end of the output sleeve is connected with the output end of the commutator, and the other end of the output sleeve is connected with the thrust ball bearing;
the other end of the output sleeve is provided with a clamping boss on the outer wall, and the clamping boss is clamped between the two thrust ball bearings;
the other end of the output sleeve is provided with threads on the inner wall, and the threads are connected with one end of the screw rod;
the other end of the screw rod is connected with the sealing beam through the connecting piece.
6. The sill-free lifting sealing system for subway and tunnel main line protection equipment as claimed in claim 5, wherein:
the connecting piece comprises a first connecting seat, a connecting block and a second connecting seat;
the first connecting seat is connected with the other end of the screw rod, and the second connecting seat is connected with the sealing beam;
the connecting block is provided with a first hinged end and a second hinged end, the first hinged end is hinged with the first connecting seat, and the second hinged end is hinged with the second connecting seat;
the axis of rotation of the first hinged end is perpendicular to the axis of rotation of the second hinged end;
the rotation axis of the first hinged end or the rotation axis of the second hinged end is perpendicular to the leaf surface of the door leaf.
7. The sill-free lifting sealing system for subway and tunnel main line protection equipment as claimed in claim 5, wherein:
the transmission component, the commutator and the output component are two, are arranged in pairs and are connected with the same speed reducer;
the thread turning directions of the two screw rods are opposite, and the turning directions of the threads on the two output sleeves are opposite.
8. The sill-free lifting sealing system for subway and tunnel main line protection equipment as claimed in claim 1, wherein:
the sealing beam comprises a cross beam, a positioning block and a track sealing element;
the cross beam is respectively connected with the lifting mechanism and the guide block and is used for sealing the door leaf and the ballast bed plane;
the positioning block is arranged on the cross beam, and the bottom of the positioning block is conical and is inserted into the positioning hole to prevent the horizontal displacement of the cross beam;
the rail sealing element is arranged at the bottom of the cross beam and used for sealing the rail side groove;
the number of the positioning blocks is multiple;
the bottom of the cross beam is horizontally arranged; or
The bottom of the cross beam is obliquely arranged, and the height of one end is higher than that of the other end along the length direction.
9. The sill-free lifting sealing system for subway and tunnel main line protection equipment as claimed in claim 8, wherein:
the cross beam is of a cavity structure, a plurality of reinforcing plates are arranged in the cross beam, and the plurality of reinforcing plates are arranged in parallel along the length direction;
the cross beam is provided with sealing strips, and the sealing strips are used for sealing gaps between the cross beam and the door leaf and gaps between the cross beam and a ballast bed plane;
the cross section of the sealing strip is in an omega shape and comprises a connecting part and a compressing part;
the connecting part is strip-shaped and is used for being attached to the cross beam;
the compression part is annular and is used for deforming when being pressed.
10. The sill-free lifting sealing system for subway and tunnel main line protection equipment as claimed in claim 1, wherein:
the device also comprises a track sealing box and an angle sticking block;
the track sealing box is arranged on the outer side of the track and is used for sealing the track side groove by matching with the sealing beam;
the corner fitting block is positioned at the included angle between the plane of the ballast bed and the side wall and is used for sealing two bottom corners of the sealing beam in the length direction;
and sealing rubber strips are arranged between the track sealing box and the sealing beam and between the corner fitting block and the sealing beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111629694.1A CN114320125A (en) | 2021-12-28 | 2021-12-28 | Sill-free lifting sealing system for subway and tunnel main line protective equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111629694.1A CN114320125A (en) | 2021-12-28 | 2021-12-28 | Sill-free lifting sealing system for subway and tunnel main line protective equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114320125A true CN114320125A (en) | 2022-04-12 |
Family
ID=81014822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111629694.1A Pending CN114320125A (en) | 2021-12-28 | 2021-12-28 | Sill-free lifting sealing system for subway and tunnel main line protective equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114320125A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116905933A (en) * | 2023-08-02 | 2023-10-20 | 常州华东人防设备有限公司 | Intelligent subway access & exit flood-proof protective airtight door |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1280736A (en) * | 1969-09-18 | 1972-07-05 | Overhead Door Corp | Sectional fire door assembly |
| CN2386162Y (en) * | 1999-09-13 | 2000-07-05 | 中国人民解放军总参谋部工程兵第四设计研究院 | Protective closed partion door for subway and civil air defence |
| CN107269181A (en) * | 2017-08-16 | 2017-10-20 | 天仁民防建筑工程设计有限公司 | A kind of airtight blast door with the closed boom device of hoisting type |
| CN211647713U (en) * | 2019-11-19 | 2020-10-09 | 广西南宁都宁通风防护设备有限公司 | Interval partition door |
-
2021
- 2021-12-28 CN CN202111629694.1A patent/CN114320125A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1280736A (en) * | 1969-09-18 | 1972-07-05 | Overhead Door Corp | Sectional fire door assembly |
| CN2386162Y (en) * | 1999-09-13 | 2000-07-05 | 中国人民解放军总参谋部工程兵第四设计研究院 | Protective closed partion door for subway and civil air defence |
| CN107269181A (en) * | 2017-08-16 | 2017-10-20 | 天仁民防建筑工程设计有限公司 | A kind of airtight blast door with the closed boom device of hoisting type |
| CN211647713U (en) * | 2019-11-19 | 2020-10-09 | 广西南宁都宁通风防护设备有限公司 | Interval partition door |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116905933A (en) * | 2023-08-02 | 2023-10-20 | 常州华东人防设备有限公司 | Intelligent subway access & exit flood-proof protective airtight door |
| CN116905933B (en) * | 2023-08-02 | 2023-12-22 | 常州华东人防设备有限公司 | Intelligent subway access & exit flood-proof protective airtight door |
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