CN210941435U - Contact net busbar sealing device for airtight subway civil air defense partition door - Google Patents

Abstract

A contact net busbar sealing device for a closed subway civil air defense partition door comprises a sealing plate main body, a movable plate group, an upper pressing plate, a contact net busbar, an elastic rubber block and a sealing strip; the sealing plate main body comprises a bottom beam and a panel; the panel is provided with a first gap; the movable plate group is inserted in the gap of the sealing plate main body and comprises a movable plate, a connecting frame, a pressing strip and a rolling shaft; a V-shaped second notch is formed in the movable plate, and a first arc-shaped groove is formed in the bottom of the second notch; the pressing bar is pressed in the second notch of the movable plate; a second arc-shaped groove is formed in the bottom of the pressing bar; the upper pressing plate is inserted into the pressing bar, and the bottom of the upper pressing plate is provided with a third arc-shaped groove; the third arc-shaped groove and the second arc-shaped groove are spliced into a first pore passage; the elastic rubber block is inserted into the first pore channel; a second pore channel is formed in the elastic rubber block; the contact net busbar is inserted in the second pore channel. The utility model provides a traditional contact net busbar seal tight, the operation inconvenient, account for the space big and at the tunnel side wall technical problem that can't use when thin.

Description

Contact net busbar sealing device for airtight subway civil air defense partition door

Technical Field

The utility model belongs to underground works construction field especially relates to a contact net busbar sealing device for airtight subway people's air defense cuts off door.

Background

A civil air defense system in a city subway is an extremely important component in the city civil air defense, and is used as a city underground traffic trunk at ordinary times and a city civil air defense evacuation trunk, a material storage warehouse or a main place for personnel shelter in wartime. One station and one adjacent tunnel are protection units, two ends of each protection unit are provided with interval partition doors which can bear bidirectional shock wave load and have a sealing function, and the interval partition doors are opened at ordinary times and closed in wartime. The contact network busbar is a power transmission line which is erected above a subway and supplies power to an electric locomotive, is suspended and fixed at a specified position and height, and has the function of transmitting electric energy obtained from a traction substation to the electric locomotive. The door is closed in wartime, and the contact net busbar can be closed under the condition of uninterrupted opening.

The existing sealing device for the contact net of the partition door in the closed region has the disadvantages of complex structure, inconvenient operation and incapability of meeting the engineering requirements for the adjustment amount.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a contact net busbar sealing device for airtight subway people's air defense cuts off door, solve traditional subway contact net busbar sealed not tight, the operation is inconvenient, account for the space great, and the technical problem that can't use under the thin condition of tunnel side wall.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A contact net busbar sealing device for a closed subway civil air defense partition door is arranged at the upper part of a civil air defense partition door frame in a subway section, and a lifting mechanism is arranged at the bottom of the sealing device; the sealing device comprises a sealing plate main body, a movable plate group, an upper pressure plate, a contact net busbar, an elastic rubber block and a sealing strip; the sealing plate main body comprises a bottom beam and a panel which are arranged along the transverse direction; the two panels are longitudinally connected to the top of the bottom beam at intervals in parallel; a rectangular first gap is formed in the middle of the top of the panel; positioning threaded sleeves are respectively arranged on the panel and two sides of the first notch; the movable plate group is inserted in the gap between the two panels and corresponds to the position of the first notch, and comprises a movable plate, a connecting frame, a pressing strip and a rolling shaft; the two movable plates are longitudinally arranged in parallel at intervals, and each movable plate is rectangular; a V-shaped second notch is formed in the middle of the top of the movable plate, and a first arc-shaped groove is formed in a sharp corner at the bottom of the second notch; the plate surface of the movable plate is provided with a through hole at a position corresponding to the positioning screw sleeve, and two sides of the top of the movable plate are respectively provided with a horizontal lapping rod; the connecting frame is U-shaped and is connected between the vertical edges and the bottom edge of the two movable plates; the pressing strip is in a V shape and is pressed between the two movable plates at a position corresponding to the second notch; a second arc-shaped groove matched with the first arc-shaped groove is formed in the sharp corner at the bottom of the pressing bar; the number of the rolling shafts is at least two, and the two rolling shafts are connected to the bottom of the connecting frame at intervals; the upper pressure plate is in an inverted triangle shape and is adaptive to the second notch; two sides of the top of the upper pressure plate are respectively provided with a lap joint end, and a third arc-shaped groove is formed in the position of a sharp corner at the bottom of the upper pressure plate; a first connecting plate is arranged at the upper part of the plate surface of the upper pressing plate and close to the top edge; the first connecting plate is provided with a first connecting hole; the upper pressing plate is inserted into the pressing strip, and the third arc-shaped groove of the upper pressing plate and the second arc-shaped groove of the pressing strip are spliced into a first pore channel with a circular vertical section; the elastic rubber block is cylindrical and is horizontally inserted into the first pore passage; a second pore canal is formed in the elastic rubber block along the long axial direction of the elastic rubber block; the vertical section shape of the second pore channel is adapted to the vertical section shape of the contact net busbar; the contact net busbar is longitudinally inserted in the second pore channel.

Preferably, the civil air defense partition door frame comprises vertical frames at the left side and the right side and an upper frame connected between the tops of the two vertical frames; the bottom of the upper frame is provided with a vertical bearing plate; the bottom edge of the bearing plate is provided with an installation groove; the mounting groove is in an inverted U shape and is formed by enclosing vertical edges on two sides and a transverse edge at the top, and the connecting part of the vertical edge and the transverse edge of the mounting groove is an arc line; a second connecting plate is arranged on the bearing plate and in the middle of the top of the mounting groove; and a second connecting hole is formed in the second connecting plate.

Preferably, the shape of the panel is adapted to the shape of the mounting groove, and the panel is arranged in the mounting groove; the first connecting plate on the upper pressure plate corresponds to the second connecting plate on the bearing plate, and the upper pressure plate is connected with the bearing plate through a shaft pin penetrating through the first connecting hole and the second connecting hole.

Preferably, the upper press plate is made of an aluminum alloy or a stainless steel plate.

Preferably, the front side surface of the bottom beam and the positions close to the two ends are respectively provided with an inserting groove connected with the lifting mechanism; the insertion groove is arranged along the vertical through length, and the horizontal section of the insertion groove is in a T shape; the upper end of the lifting mechanism is inserted in the insertion groove and fixedly connected with the bottom beam.

Preferably, the distance between the two panels is 55 mm-65 mm; the distance between the two movable plates is 35 mm-45 mm.

Preferably, horizontal inserting ends are respectively arranged on two sides of the top of the pressing bar; the splicing ends are correspondingly embedded in the gaps between the lapping rods on the two movable plates; the lap joint ends on the two sides of the upper pressure plate are in compression joint with the plug-in ends of the pressing strips; the lap joint end is pressed with the sealing strip.

Compared with the prior art, the utility model has the following characteristics and beneficial effect.

1. The utility model discloses a contact net sealing device has solved when the airtight wall door of protection is sealed, and the airtight requirement of protection between the subway section has been satisfied completely to the horizontal skew problem of rigid contact net busbar and the sealed problem of rigid contact net busbar to can adorn in the thinner department of tunnel lateral wall completely.

2. The utility model discloses a closing plate main part can be along vertical removal along with elevating system to horizontal translation can be followed to movable plate group, and sealed between closing plate main part and the people's air defense wall door frame, so have simple structure compactness, peacetime and wartime conversion rate fast and the characteristics that the practicality is strong.

3. The utility model discloses well movable plate group's position can control the adjustment in the clearance between two movable plates, has compensatied the construction error of rigidity contact net confluence drainage horizontal position in the engineering.

4. Because the heights of the two rails at the bend of the subway are different, the partition door arranged at the bend of the subway generally needs special design and independent construction, and the problem can not occur after the utility model is used; when the utility model is arranged on a curve, the whole size of the movable plate group 4 and the sealing plate main body 3 can be adjusted only according to the height difference of the rail surface, and the sealing requirement of the contact net busbar can be met within the range of +/-120 height difference; when the size of the hole is determined, the hole can be regarded as a standard universal part, production can be arranged in advance, and the construction period is effectively shortened.

The utility model discloses can carry out inclosed to subway contact net busbar when the war, and can bear certain shock wave, guarantee not closing the people's air defense door under the condition of touching the net busbar constantly and put in place.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is the utility model discloses install the structure schematic diagram on the people's air defense who cuts off door frame upper portion between the subway.

Fig. 2 is the utility model discloses a contact net sealing device's schematic structure diagram.

Fig. 3 is a schematic structural view of the sealing plate main body of the present invention.

Fig. 4 is a schematic structural diagram of the middle moving plate group of the present invention.

Fig. 5 is a schematic structural view of the middle elastic rubber block of the present invention disposed in the third arc-shaped groove of the upper platen.

Fig. 6 is a schematic structural view of the upper pressing plate of the present invention.

Fig. 7 is a schematic structural view of the upper pressing plate inserted in the pressing bar of the present invention.

Fig. 8 is a schematic structural view of the middle bearing plate of the present invention.

Fig. 9 is a schematic structural view of the middle pressing bar of the present invention.

Fig. 10 is a schematic structural view of the middle elastic rubber block of the present invention.

Reference numerals: the door comprises a 1-civil air defense partition door frame, a 1.1-vertical frame, a 1.2-upper frame, a 2-lifting mechanism, a 3-sealing plate main body, a 3.1-bottom beam, a 3.2-panel, a 4-moving plate group, a 4.1-moving plate block, a 4.1.1-lap joint rod, a 4.2-connecting frame, a 4.3-pressing strip, a 4.3.1-second arc-shaped groove, a 4.3.2-splicing end, a 4.4-rolling shaft, a 5-upper pressing plate, a 5.1-lap joint end, a 5.2-third arc-shaped groove, a 6-contact net busbar, a 7-elastic rubber block, an 8-sealing strip, a 9-first notch, a 10-positioning screw sleeve, an 11-second notch, an 11.1-first arc-shaped groove, a 12-through hole, a 13-first connecting plate, a 14-first connecting hole, a 15-first hole channel, a 16-bearing plate, a 17-mounting groove, an 18-second connecting plate, a 19-second connecting plate, a 20-inserting groove, a 21-second hole and a 22-hole.

Detailed Description

As shown in fig. 1-10, the contact network busbar sealing device for the closed subway civil air defense partition door is arranged at the upper part of a civil air defense partition door frame 1 in a subway section, and a lifting mechanism 2 is arranged at the bottom of the contact network busbar sealing device; the contact net sealing device comprises a sealing plate main body 3, a moving plate group 4, an upper pressing plate 5, a contact net busbar 6, an elastic rubber block 7 and a sealing strip 8; the sealing plate main body 3 comprises a bottom beam 3.1 and a panel 3.2 which are arranged along the transverse direction; two panels 3.2 are arranged and are longitudinally connected to the top of the bottom beam 3.1 at intervals in parallel; a rectangular first gap 9 is formed in the middle of the top of the panel 3.2; positioning threaded sleeves 10 are respectively arranged on the panel 3.2 and positioned at two sides of the first notch 9; the movable plate group 4 is inserted in the gap between the two panels 3.2 and corresponds to the position of the first gap 9, and comprises a movable plate 4.1, a connecting frame 4.2, a pressing strip 4.3 and a rolling shaft 4.4; two movable plates 4.1 are arranged in parallel at intervals along the longitudinal direction, and each movable plate 4.1 is rectangular; a V-shaped second notch 11 is formed in the middle of the top of the movable plate 4.1, and a first arc-shaped groove 11.1 is formed at a sharp corner at the bottom of the second notch 11; a through hole 12 is formed in the position, corresponding to the positioning threaded sleeve 10, on the plate surface of the movable plate 4.1, and horizontal lap joint rods 4.1.1 are respectively arranged on two sides of the top of the movable plate 4.1; the connecting frame 4.2 is U-shaped and is connected between the vertical edges and the bottom edges of the two movable plates 4.1; the pressing strip 4.3 is V-shaped and is pressed between the two movable plates 4.1 at the position corresponding to the second gap 11; a second arc-shaped groove 4.3.1 which is matched with the first arc-shaped groove 11.1 is arranged at a sharp corner at the bottom of the pressing bar 4.3; at least two rolling shafts 4.4 are connected to the bottom of the connecting frame 4.2 at intervals, the front side and the rear side of each rolling shaft 4.4 are respectively contacted with the front panel 3.2 and the rear panel 3.2, the position of the first arc-shaped groove 11.1 is adjusted by adjusting the left-right position deviation of the movable plate group 4, and the first arc-shaped groove is fixed by bolts penetrating through the positioning threaded sleeves 10 and the through holes 12 after the first arc-shaped groove is in place;

the upper pressing plate 5 is in an inverted triangle shape and is adapted to the second notch 11; two sides of the top of the upper pressing plate 5 are respectively provided with a lap joint end 5.1, and a third arc-shaped groove 5.2 is arranged at the position of a sharp corner at the bottom of the upper pressing plate 5; a first connecting plate 13 is arranged at the upper part of the plate surface of the upper pressing plate 5 and close to the top edge; the first connecting plate 13 is provided with a first connecting hole 14; the upper pressing plate 5 is inserted into the pressing strip 4.3, and a third arc-shaped groove 5.2 of the upper pressing plate 5 and a second arc-shaped groove 4.3.1 of the pressing strip 4.3 are spliced into a first duct 15 with a circular vertical section; the elastic rubber block 7 is cylindrical and is horizontally inserted into the first pore passage 15; a second pore canal 21 is arranged in the elastic rubber block 7 along the long axial direction of the elastic rubber block 7; the vertical section shape of the second pore passage 21 is adapted to the vertical section shape of the contact net busbar 6; the contact net busbar 6 is longitudinally inserted into the second duct 21.

In the embodiment, the civil air defense partition door frame 1 comprises vertical frames 1.1 at the left side and the right side and an upper frame 1.2 connected between the tops of the two vertical frames 1.1; the bottom of the upper frame 1.2 is provided with a vertical bearing plate 16; the bottom edge of the bearing plate 16 is provided with an installation groove 17; the mounting groove 17 is in an inverted U shape and is formed by enclosing vertical edges at two sides and a transverse edge at the top, and the connecting part of the vertical edge and the transverse edge of the mounting groove 17 is an arc line; a second connecting plate 18 is arranged on the bearing plate 16 and in the middle of the top of the mounting groove 17; the second connecting plate 18 is provided with a second connecting hole 19.

In the embodiment, the shape of the panel 3.2 is adapted to the shape of the mounting groove 17, and the panel 3.2 is arranged in the mounting groove 17; the first connecting plate 13 on the upper pressure plate 5 corresponds to the second connecting plate 18 on the bearing plate 16, and the upper pressure plate 5 is connected with the bearing plate 16 through a shaft pin penetrating through the first connecting hole 14 and the second connecting hole 19.

In this embodiment, the upper platen 5 is made of an aluminum alloy or a stainless steel plate.

In this embodiment, the front side surface of the bottom beam 3.1 and the positions close to the two ends are respectively provided with an inserting groove 20 connected with the lifting mechanism 2; the insertion groove 20 is arranged along the vertical through length, and the horizontal section of the insertion groove 20 is in a T shape; the upper end of the lifting mechanism 2 is inserted into the insertion groove 20 and fixedly connected with the bottom beam 3.1, the movement in the up-and-down direction can be realized by guiding through the insertion groove 20, the vertical guiding of the insertion groove 20 can reduce the tendency of backward turning of the sealing plate main body 3, and the safety of the utility model is greatly improved; the first gap 9 accommodates the movable plate group 4 so that it can be adjusted in the left-right direction.

In the embodiment, the distance between the two panels 3.2 is 55 mm-65 mm; the distance between the two movable plates 4.1 is 35 mm-45 mm.

In the embodiment, two sides of the top of the pressing bar 4.3 are respectively provided with a horizontal inserting end 4.3.2; the splicing end 4.3.2 is correspondingly embedded in a gap between the lapping rods 4.1.1 on the two movable plates 4.1; the overlapping ends 5.1 at the two sides of the upper pressure plate 5 are pressed on the splicing ends 4.3.2 of the pressure strips 4.3; the sealing strip 8 is crimped on the overlapping end 5.1.

In this embodiment, a sealing rubber strip is installed in a gap between the pressing strip 4.3 and the upper pressing plate 5.

In this embodiment, the upper pressing plate 5 is made of aluminum alloy, and the two sides of the upper pressing plate 5 are in compression joint with the sealing rubber strips and the elastic rubber blocks 7 on the pressing strips 4.3 to seal the contact net bus bar 6.

The construction method of the contact net busbar sealing device for the closed subway civil air defense partition door comprises the following steps.

Firstly, an elastic rubber block 7 is manufactured, and a contact net busbar 6 is arranged in a second pore channel 21 of the elastic rubber block 7.

And step two, fixedly connecting the sealing plate main body 3 with the lifting mechanism 2, and inserting the movable plate group 4 into a gap between the two panels 3.2 of the sealing plate main body 3.

And step three, detachably connecting the upper pressure plate 5 with the bearing plate 16.

And step four, adjusting the lifting mechanism 2 and simultaneously adjusting the movable plate group 4 to enable the second arc-shaped groove 4.3.1 on the pressing bar 4.3 to correspond to the third arc-shaped groove 5.2 on the upper pressing plate 5.

And step five, adjusting the lifting mechanism 2 to enable the lifting mechanism 2 to move downwards.

And step six, installing the elastic rubber block 7 in the second arc-shaped groove 4.3.1 on the pressing strip 4.3.

And seventhly, adjusting the lifting mechanism 2, enabling the lifting mechanism 2 to move upwards, and extruding the elastic rubber block 7 into a first pore passage 15 formed by the third arc-shaped groove 5.2 and the second arc-shaped groove 4.3.1, so as to form the contact net sealing device.

In this embodiment, in the first step, a through slit is cut along the long axis direction of the elastic rubber block 7 at the top or the bottom of the elastic rubber block 7; the through seam is broken off to be positioned in the second hole 21 of the elastic rubber block 7.

In this embodiment, the first connecting plate 13 on the upper pressure plate 5 corresponds to the second connecting plate 18 on the bearing plate 16, and a shaft pin correspondingly penetrates through the first connecting hole 14 and the second connecting hole 19 to connect the upper pressure plate 5 and the bearing plate 16.

In this embodiment, there are two lifting mechanisms 2, which are respectively disposed at two sides of the bottom of the sealing device for controlling the lifting of the sealing device.

In the embodiment, a door leaf 22 is connected between the vertical frames 1.1 at the two sides of the civil air defense partition door frame 1; a space is reserved between the top of the door leaf 22 and the upper frame 1.2, and the contact net sealing device is plugged in a gap between the top of the door leaf 22 and the upper frame 1.2.

In this embodiment, during the operation of closing the door, with elasticity glue piece 7 parcel in the outside of contact net busbar 6, later with top board 5 and 16 with the round pin hub connection of bearing, readjust elevating system 2 and make closing plate main part 3 upwards move, the two extrudees elasticity glue piece 7 jointly, reaches airtight contact net busbar 6's effect, and reaches predetermined safeguard effect.

In this embodiment, elevating system 2 operates through the handle, and this handle setting occupies that people's air defense cuts off 1 both sides space of door frame less at people's air defense partition door frame 1's inboard, can be used to the thin condition of tunnel side wall.

In this embodiment, the elastic rubber block 7 is a cylinder and made of rubber, the outermost side of the elastic rubber block 7 is a circle with a diameter of 150mm, the shape of the middle first hole 15 is consistent with the outline of the contact net busbar 6, and the elastic rubber block 7 is provided with a cutting slit along the long axial direction thereof, so that the contact net busbar 6 is convenient to install.

In this embodiment, the movable plate group 4 can move in the transverse direction to adjust the horizontal pull-out value of the overhead line system busbar 6 during installation, and can also lift up and down along with the lifting mechanism 2; a connecting frame 4.2 of the movable plate group 4 and the edges of the two movable plates 4.1 enclose a groove, and a sponge strip is laid in the groove for sealing; the top of the upper pressing plate 5 is provided with a contact net sealing upper rubber plate which is connected between the upper pressing plate 5 and the bearing plate 16 in a pressing mode, and the upper pressing plate 5 and the bearing plate 16 are sealed; meanwhile, the upper side and the lower side are aligned with the elastic rubber block 7 to be extruded and expanded, so that firm and reliable rigid contact net sealing is formed.

The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate, but not limit the scope of the present invention, and all applications coming from the simple changes of the present invention fall within the scope of the present invention.

Claims (7)

1. A contact net busbar sealing device for a closed subway civil air defense partition door is arranged at the upper part of a civil air defense partition door frame (1) in a subway section, and a lifting mechanism (2) is arranged at the bottom of the contact net busbar sealing device; the method is characterized in that: the contact net sealing device comprises a sealing plate main body (3), a moving plate group (4), an upper pressing plate (5), a contact net busbar (6), an elastic rubber block (7) and a sealing strip (8); the sealing plate main body (3) comprises a bottom beam (3.1) and a panel (3.2) which are arranged along the transverse direction; the two panels (3.2) are longitudinally connected to the top of the bottom beam (3.1) in parallel at intervals; a rectangular first gap (9) is formed in the middle of the top of the panel (3.2); positioning threaded sleeves (10) are respectively arranged on the panel (3.2) and positioned at two sides of the first notch (9); the movable plate group (4) is inserted in a gap between the two panels (3.2) and corresponds to the position of the first gap (9), and comprises a movable plate block (4.1), a connecting frame (4.2), a pressing strip (4.3) and a rolling shaft (4.4); two movable plates (4.1) are arranged in parallel at intervals along the longitudinal direction, and each movable plate (4.1) is rectangular; a V-shaped second notch (11) is formed in the middle of the top of the movable plate (4.1), and a first arc-shaped groove (11.1) is formed in a sharp corner at the bottom of the second notch (11); a through hole (12) is formed in the position, corresponding to the positioning threaded sleeve (10), on the plate surface of the movable plate (4.1), and horizontal lapping rods (4.1.1) are respectively arranged on two sides of the top of the movable plate (4.1); the connecting frame (4.2) is U-shaped and is connected between the vertical edges and the bottom edges of the two movable plates (4.1); the pressing strip (4.3) is V-shaped and is pressed between the two movable plates (4.1) at the position corresponding to the second notch (11); a second arc-shaped groove (4.3.1) which is matched with the first arc-shaped groove (11.1) is arranged at a sharp corner at the bottom of the pressing bar (4.3); at least two rolling shafts (4.4) are connected to the bottom of the connecting frame (4.2) at intervals; the upper pressing plate (5) is in an inverted triangle shape and is adapted to the second notch (11); the two sides of the top of the upper pressing plate (5) are respectively provided with a lap joint end (5.1), and the position of a sharp corner at the bottom of the upper pressing plate (5) is provided with a third arc-shaped groove (5.2); a first connecting plate (13) is arranged at the upper part of the plate surface of the upper pressing plate (5) and close to the top edge; the first connecting plate (13) is provided with a first connecting hole (14); the upper pressing plate (5) is inserted into the pressing strip (4.3), and the third arc-shaped groove (5.2) of the upper pressing plate (5) and the second arc-shaped groove (4.3.1) of the pressing strip (4.3) are spliced into a first duct (15) with a circular vertical section; the elastic rubber block (7) is cylindrical and is horizontally inserted into the first pore channel (15); a second pore canal (21) is arranged in the elastic rubber block (7) along the long axial direction of the elastic rubber block (7); the vertical section shape of the second pore channel (21) is adapted to the vertical section shape of the contact net busbar (6); the contact net busbar (6) is longitudinally inserted into the second pore channel (21).

2. The contact net busbar sealing device for the airtight subway civil air defense partition door according to claim 1, characterized in that: the civil air defense partition door frame (1) comprises vertical frames (1.1) on the left side and the right side and an upper frame (1.2) connected between the tops of the two vertical frames (1.1); a vertical bearing plate (16) is arranged at the bottom of the upper frame (1.2); the bottom edge of the bearing plate (16) is provided with an installation groove (17); the mounting groove (17) is in an inverted U shape and is formed by enclosing vertical edges at two sides and a transverse edge at the top, and the connecting part of the vertical edge and the transverse edge of the mounting groove (17) is an arc line; a second connecting plate (18) is arranged on the bearing plate (16) and positioned in the middle of the top of the mounting groove (17); the second connecting plate (18) is provided with a second connecting hole (19).

3. The contact net busbar sealing device for the airtight subway civil air defense partition door according to claim 2, characterized in that: the shape of the panel (3.2) is adapted to the shape of the mounting groove (17), and the panel (3.2) is arranged in the mounting groove (17); the first connecting plate (13) on the upper pressure plate (5) corresponds to the second connecting plate (18) on the bearing plate (16), and the upper pressure plate (5) is connected with the bearing plate (16) through a shaft pin penetrating through the first connecting hole (14) and the second connecting hole (19).

4. The contact net busbar sealing device for the airtight subway civil air defense partition door according to claim 1, characterized in that: the upper pressure plate (5) is made of aluminum alloy or made of a stainless steel plate.

5. The contact net busbar sealing device for the airtight subway civil air defense partition door according to claim 1, characterized in that: inserting grooves (20) connected with the lifting mechanism (2) are respectively arranged on the front side surface of the bottom beam (3.1) and near the two ends; the insertion groove (20) is arranged along the vertical through length, and the horizontal section of the insertion groove (20) is T-shaped; the upper end of the lifting mechanism (2) is inserted in the insertion groove (20) and is fixedly connected with the bottom beam (3.1).

6. The contact net busbar sealing device for the airtight subway civil air defense partition door according to claim 1, characterized in that: the distance between the two panels (3.2) is 55 mm-65 mm; the distance between the two movable plates (4.1) is 35 mm-45 mm.

7. The contact net busbar sealing device for the airtight subway civil air defense partition door according to claim 1, characterized in that: two sides of the top of the pressing bar (4.3) are respectively provided with a horizontal inserting end (4.3.2); the splicing ends (4.3.2) are correspondingly embedded in the gap between the lapping rods (4.1.1) on the two movable plates (4.1); the overlapping ends (5.1) at the two sides of the upper pressure plate (5) are pressed on the inserting ends (4.3.2) of the pressing strips (4.3); the lap joint end (5.1) is pressed with the sealing strip (8).

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