CN110644900A - Hole sealing door device and transportation method - Google Patents

Abstract

The invention discloses an opening sealing door device which comprises an opening sealing door, a first locking mechanism and a first sealing mechanism, wherein the area of the opening sealing door is larger than that of an opening, the opening sealing door comprises an opening sealing door plate and an opening sealing door bottom plate, the first locking mechanism comprises a first front locking unit and a first back locking unit, the first front locking unit is used for locking the opening sealing door plate and a wall body from the front side of the opening sealing door, the first back locking unit is used for locking the opening sealing door plate and the wall body from the back side of the opening sealing door, and the first sealing mechanism comprises a first opening sealing gasket which is arranged between the opening sealing door plate and the wall body and between the opening sealing door bottom plate and the bottom of the opening. Correspondingly, a transportation method is also provided. The sealing door is used for solving the problems that the sealing door in the prior art is small in size, and if the sealing door is required to be suitable for a large-size door opening, the structure is complex, the construction period is long, and the sealing performance and the safety are difficult to guarantee.

Description

Hole sealing door device and transportation method

Technical Field

The invention belongs to the technical field of nuclear facilities, and particularly relates to a hole sealing door device and a transportation method.

Background

The door is the essential equipment of nuclear facility test factory building, requires the door to be as factory building pressure boundary's partly on the one hand, can bear factory building test pressure's load, guarantees the leakproofness and the security of factory building. On the other hand, in the installation, maintenance and test operation processes of the test equipment, large-scale equipment needs to be transported to enter a factory building. Therefore, the door needs to meet the requirements of temporary plugging and testing on the basis of the original opening of the plant, has the sealing property and safety required by the nuclear facility testing plant, and can meet the access requirement of large equipment.

The size of current sealing door is less usually, and the installation all pours the door frame in building structure earlier, follow-up reload door leaf. For a factory building needing to transport large equipment, the size of a door opening of the factory building is large (the size of the door opening of the factory building is 8.5 m multiplied by 5.4 m), if the door opening is plugged by adopting a traditional sealing door structure, the problems of complex structure and long construction period can exist, and because the quality of the sealing door is large, the bearing sealing performance and the safety of the sealing door are difficult to guarantee.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art, and provides a hole sealing door device which is suitable for a large-size door hole, can be used for large-size equipment to enter a factory building and has good pressure-bearing sealing performance and safety.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

in a first aspect, the invention provides an opening sealing door device, which comprises an opening sealing door, a first locking mechanism and a first sealing mechanism,

the area of the hole sealing door is larger than that of the hole, the edge of the hole sealing door is in contact with the wall body at the edge of the hole and is used for sealing the hole,

the opening sealing door comprises an opening sealing door plate and an opening sealing door bottom plate,

the first locking mechanism comprises a first front locking unit and a first back locking unit,

the first front locking unit is used for locking the door plate of the hole sealing door and the wall body from the front of the hole sealing door,

the first back locking unit is used for locking the door plate of the hole sealing door and the wall body from the back of the hole sealing door,

the first sealing mechanism comprises a first opening sealing gasket, and the first opening sealing gasket is arranged between the opening sealing door panel and the wall body and between the opening sealing door bottom plate and the opening bottom.

Optionally, the number of the first front locking units is multiple, the multiple first front locking units are distributed on the front edge of the opening sealing door panel,

each first front locking unit comprises a T-shaped groove at the front edge of the hole sealing door, a first screw, a hole sealing door fixing plate and an expansion bolt at the outer edge of the first hole,

the hole sealing door fixing plate is fixed on the wall body through a first hole outer edge expansion bolt, the hole sealing door front edge T-shaped groove is clamped between the front edge of the hole sealing door plate and the hole sealing door fixing plate, the head end of a first screw penetrates through the hole sealing door fixing plate and is clamped in the hole sealing door front edge T-shaped groove, the tail end of the first screw is locked on the hole sealing door fixing plate,

the first back locking units are distributed on the edge of the back of the door plate of the hole sealing door,

each first back locking unit comprises a first opening inward-extending steel frame and a welding bolt at the inner edge of the opening sealing door,

the first opening inward-extending steel frame is embedded in the wall body and corresponds to the back edge of the opening sealing door plate, and the first opening inward-extending steel frame is connected with the back side of the opening sealing door plate in a locking mode through the hole sealing door inner edge welding bolts.

Optionally, the first locking mechanism further comprises: the first bottom plate locking unit is used for locking the bottom plate of the opening sealing door and the bottom of the opening,

the first bottom plate locking unit comprises a second opening outer edge expansion bolt, and two ends of the second opening outer edge expansion bolt are respectively connected with the edge of the opening sealing door bottom plate and the bottom of the opening.

Optionally, the first sealing mechanism further comprises a sealing coating coated on the wall body and at the bottom of the opening, and the first opening sealing gasket is positioned between the sealing coating and the opening sealing door panel and between the sealing coating and the opening sealing door bottom plate.

Optionally, the door plate of the hole sealing door is provided with a door opening of the transportation channel door, the door opening of the transportation channel door is closed by the transportation channel door,

the transport access door comprises a transport access door panel and a transport access door bottom panel,

the area of the transportation channel door is larger than that of the door opening of the transportation channel door, the edge of the door plate of the transportation channel door is contacted with the door plate of the sealing door of the opening at the edge of the door opening of the transportation channel door,

the hole sealing door device also comprises a second locking mechanism and a second sealing mechanism,

the second locking mechanism comprises a second front locking unit and a second back locking unit,

the second front locking unit is used for locking the door plate of the transportation channel door and the door plate of the hole sealing door from the front side of the transportation channel door,

the second back locking unit is used for locking the door plate of the transportation channel door and the door plate of the hole sealing door from the back of the transportation channel door,

the second sealing mechanism comprises a second sealing gasket which is arranged between the door plate of the transportation channel door and the door plate of the opening sealing door and between the bottom plate of the transportation channel door and the bottom plate of the opening sealing door.

Optionally, the number of the second front locking units is multiple, multiple second front locking units are distributed on the front edge of the door panel of the transportation channel door,

each second front locking unit comprises a T-shaped groove at the outer edge of the transport channel door, a second screw, a front fixed plate of the transport channel door and a welding bolt at the outer edge of a door opening of the transport channel door,

the transport channel door front fixing plate is fixed on the hole sealing door plate around the transport channel door plate through a transport channel door hole outer edge welding bolt, the transport channel door outer edge T-shaped groove is clamped between the front edge of the transport channel door plate and the transport channel door front fixing plate, the head end of a second screw passes through the transport channel door front fixing plate and is clamped in the transport channel door outer edge T-shaped groove, the tail end of the second screw is locked on the transport channel door front fixing plate,

the number of the second back locking units is a plurality, the second back locking units are distributed on the back edge of the door plate of the transportation channel door,

every second back locking unit includes transportation channel door opening inward flange T-slot, third screw, transportation channel door after-fixing board and transportation channel door inward flange welding bolt, and transportation channel door after-fixing board passes through transportation channel door inward flange welding bolt to be fixed on the transportation channel door plant at transportation channel door opening edge, transportation channel door opening inward flange T-slot clamp is established between the back edge of the sealed door plant at transportation channel door opening edge and transportation channel door after-fixing board, and the head end of third screw passes transportation channel door after-fixing board card is established at transportation channel door opening inward flange T-slot, and its tail end locks on transportation channel door after-fixing board.

Optionally, the second locking mechanism further comprises: the second bottom plate locking unit is used for locking the transportation channel door bottom plate and the opening sealing door bottom plate,

the second bottom plate locking unit comprises a transportation channel door T-shaped groove, a fourth screw, a transportation channel door front end fixing plate and a first long screw, the transportation channel door front end fixing plate is fixed on the hole sealing door bottom plate at the edge of the transportation channel door bottom plate through the first long screw, the transportation channel door T-shaped groove is clamped between the edge of the transportation channel door bottom plate and the transportation channel door front end fixing plate, the head end of the fourth screw penetrates through the transportation channel door front end fixing plate and is clamped in the transportation channel door T-shaped groove, and the tail end of the fourth screw is locked on the transportation channel door front end fixing plate,

the second bottom plate locking unit further comprises a transport channel door back edge T-shaped groove, a fifth screw, a transport channel door rear end fixing plate and a second long screw, the transport channel door rear end fixing plate is fixed on the hole sealing door bottom plate at the edge of the transport channel door bottom plate through the second long screw, the transport channel door back edge T-shaped groove is clamped between the edge of the transport channel door bottom plate and the transport channel door rear end fixing plate, the head end of the fifth screw penetrates through the transport channel door rear end fixing plate and is clamped in the transport channel door back edge T-shaped groove, and the tail end of the fifth screw is locked on the transport channel door rear end fixing plate.

Optionally, the first opening sealing gasket and the second sealing gasket are both parallel double-channel sealing gaskets, a sealed air channel is formed in the middle of the double-channel sealing gaskets,

and the air channel between the double-channel sealing gasket on the hole sealing door and the transportation channel door is provided with a pressing hole, and a screw is screwed in the pressing hole.

Optionally, the hole sealing door device further comprises: a transverse keel, a longitudinal keel, a vertical keel and a second hole inward extending steel frame,

the number of the transverse keels, the longitudinal keels and the vertical keels is respectively a plurality,

many horizontal fossil fragments are along the back of transverse distribution at entrance to a cave sealing door plant and transportation passageway door plant, and many vertical fossil fragments are along the back of longitudinal distribution at entrance to a cave sealing door plant and transportation passageway door plant, and vertical fossil fragments and horizontal fossil fragments staggered arrangement, and perpendicular to the bone face direction of fossil fragments and entrance to a cave sealing door are perpendicular, and its one end is connected with the junction of horizontal fossil fragments and vertical fossil fragments, and the other end stretches shaped steel frame connection in with the second entrance to a cave, stretches shaped steel frame in the second entrance to a cave and spanes entrance to a cave and its both ends embedding in the wall.

Optionally, the front surface of the door plate of the portal sealing door is provided with a portal sealing door hoisting flange, and the front surface of the door plate of the transportation channel door is provided with a transportation channel door hoisting flange.

In a second aspect, the present invention further provides a transportation method for transporting large equipment into a nuclear test plant, including the following steps:

s11, installing the hole sealing door device in any one of the first aspect at the hole position of the nuclear test plant;

s12, checking the sealing performance of the hole sealing door device, and after the hole sealing door device is checked to be qualified, checking the sealing performance of the nuclear test plant until the hole sealing door device is checked to be qualified;

s13, detaching the hole sealing door from the hole, and transporting the large-scale equipment to a nuclear test plant;

and S14, reinstalling the hole sealing door to the hole, and plugging the hole sealing door device by using concrete.

Optionally, in the hole sealing door device, a door plate of the hole sealing door is provided with a door opening of a transportation channel door, the door opening of the transportation channel door is closed by the transportation channel door,

between step S12 and step S13, the following steps are further included:

s121, detaching the transport channel door from the transport channel door opening, and conveying the small equipment into a nuclear test plant through the transport channel door opening;

and S122, reinstalling the transport channel door to the door opening of the transport channel door, and completing the assembly of the small equipment when the nuclear test plant is in a sealed condition.

The invention has the beneficial effects that:

the hole sealing door device disclosed by the invention is simple in structure, so that the construction period is short, the pressure-bearing sealing performance is good, the safety is high, the requirement of large-scale equipment for entering and exiting is met, and the problems that the sealing door in the prior art is small in size, complex in structure, long in construction period and difficult to guarantee the sealing performance and the safety are solved. Through set up the transport passage door on entrance to a cave sealing door device, the small-size equipment of being convenient for and personnel are current. Specifically, the beneficial effects of the invention are as follows:

(1) the first front locking units, the first back locking units and the first bottom plate locking units which are relatively large in number are adopted, so that the locking points are multiple, the sealing performance of the hole sealing door device is good, and the safety of a nuclear test plant is high;

(2) the locking units are connected by bolts, so that the hole sealing door device has the characteristics of simple structure, easy construction, easy maintenance and replacement;

(3) the hole sealing device is provided with the transportation channel door, so that the functions of small-sized equipment and personnel entering and exiting can be realized by opening the transportation channel door under the condition that the hole sealing door is not opened, the opening times of the hole sealing door can be reduced, and the convenience and the rapidness are realized;

(4) the sealing gasket can be wave-shaped, so that the contact area is small, the locking force is small, and the opening sealing door and the transportation channel door can be conveniently opened; the sealing gasket adopts a double-channel structure, so that the sealing effect is better, and a pressing hole is arranged at an air channel in the middle of the double-channel sealing gasket, so that the sealing property of the hole sealing door device is convenient to test;

(5) sealing coatings are also coated on the wall body at the edge of the hole and the bottom of the hole, so that the sealing performance of the hole sealing door device can be further ensured;

(6) since the back surfaces of the door plate of the hole sealing door and the door plate of the transportation channel door are both provided with keels which are fixedly connected with the second hole internal-extending steel frame, the strength of the door body structure is increased, and the hole sealing door device can bear the pressure load of the nuclear test plant benchmark accident;

(7) and hoisting flanges are arranged on the door plate of the hole sealing door and the door plate of the transportation channel door, so that the door body can be hoisted conveniently.

The transportation method provided by the invention can be suitable for places which need to meet the special working condition requirements of a nuclear test factory building on the plugging requirement of a large door opening and the installation of small equipment under the transportation and sealing conditions of large test equipment.

Drawings

FIG. 1: the front structure schematic diagram of the hole sealing door device of the embodiment of the invention;

FIG. 2: FIG. 1 is a sectional view taken along line A-A;

FIG. 3: FIG. 2 is an enlarged view taken at I;

FIG. 4: an enlarged view at II in FIG. 2;

FIG. 5: FIG. 1 is a sectional view taken along line B-B;

FIG. 6: an enlarged view at III in FIG. 5;

FIG. 7: the embodiment of the invention discloses a back structure schematic diagram of a hole sealing door device.

In the figure: 1-sealing door plate of the opening; 2-a hole sealing door fixing plate; 3-hoisting a flange of the hole sealing door; 4-door plate of transport passage door; 5-a front fixing plate of the transport passage door; 6-hoisting the flange by the transportation channel door; 10-expansion bolt at outer edge of first hole; 11-a T-shaped groove at the edge of the front face of the hole sealing door; 13-a first hole gasket; 14-welding bolts at the inner edge of the hole sealing door; 16-transport channel door outer edge T-shaped groove; 17-a first long screw; 18-transport access door back edge bottom T-slot; 19-transport channel door rear fixing plate; 20, a T-shaped groove is formed in the inner edge of a door opening of the transport channel door; 21-welding bolts at the outer edge of a door opening of the transport channel door, and 22-bolts at the inner edge of the transport channel door; 23-sealing coating; 24-extending the steel frame in the first hole; 25-sealing the bottom plate of the door at the hole; 26-transport access door floor; 27-a transverse keel; 28-longitudinal keel; 29-vertical keel; 30-expansion bolts at the outer edge of the second hole; 31-a second gasket; 32-second long screw; 35-extending the steel frame in the second hole; 51-a front end fixing plate of a transport channel door; 121-a first screw; 122-a second screw; 123-a third screw; 124-fourth screw; 125-fifth screw; 161-transport channel door T-slot; 191-fixing plate at back end of transport channel door.

Detailed Description

In order to make the technical solutions of the present invention better understood, the present invention is further described in detail below with reference to the accompanying drawings and examples.

In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for ease of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "connected", "disposed", "mounted", "fixed", and the like are to be construed broadly and may include, for example, a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

Aiming at the requirements of sealing a large-sized opening and supplying large-sized equipment to pass in and out, if the traditional small-sized sealing door is adopted for enlarging design, the problems of complex structure and long construction period can exist, the quality of the sealing door is large, and if no special locking device is arranged, the pressure-bearing sealing performance and the safety of the sealing door are difficult to ensure, therefore, the invention provides the opening sealing door device which has simple structure, easy construction, easy maintenance and replacement and high sealing performance and safety and can be used for the large-sized door opening, the opening sealing door device comprises the opening sealing door, a first locking mechanism and a first sealing mechanism,

the area of the hole sealing door is larger than that of the hole, the edge of the hole sealing door is in contact with the wall body at the edge of the hole and is used for sealing the hole,

the opening sealing door comprises an opening sealing door plate and an opening sealing door bottom plate,

the first locking mechanism comprises a first front locking unit and a first back locking unit,

the first front locking unit is used for locking the door plate of the hole sealing door and the wall body from the front of the hole sealing door,

the first back locking unit is used for locking the door plate of the hole sealing door and the wall body from the back of the hole sealing door,

the first sealing mechanism comprises a first opening sealing gasket, and the first opening sealing gasket is arranged between the opening sealing door panel and the wall body and between the opening sealing door bottom plate and the opening bottom.

In addition, the invention also provides a transportation method for transporting the large-scale equipment to the nuclear test plant, which comprises the following steps:

s11, installing the hole sealing door device at the hole position of the nuclear test plant;

s12, checking the sealing performance of the hole sealing door device, and after the hole sealing door device is checked to be qualified, checking the sealing performance of the nuclear test plant until the hole sealing door device is checked to be qualified;

s13, detaching the hole sealing door from the hole, and transporting the large-scale equipment to a nuclear test plant;

and S14, reinstalling the hole sealing door to the hole, and plugging the hole sealing door device by using concrete.

Example 1:

the hole sealing door device in the embodiment comprises a hole sealing door, a first locking mechanism and a first sealing mechanism.

The area of the hole sealing door is larger than that of the hole, and the edge of the hole sealing door is in contact with a wall body at the edge of the hole and used for sealing the hole.

As shown in fig. 1, the opening sealing door includes an opening sealing door panel 1 and an opening sealing door bottom plate 25, wherein the panel direction of the opening sealing door panel 1 is perpendicular to the panel direction of the opening sealing door bottom plate 25, and the opening sealing door panel 1 is fixedly connected to the opening sealing door bottom plate 25.

The first locking mechanism includes a first front locking unit and a first back locking unit. The first front locking unit is used for locking the door panel 1 of the hole sealing door and the wall body from the front of the hole sealing door.

Specifically, in this embodiment, the number of the first front locking units is multiple, the multiple first front locking units are densely distributed on the front edge of the opening sealing door panel 1 around the opening sealing door panel, and preferably, the multiple first front locking units are uniformly distributed on the front edge of the opening sealing door panel 1.

As shown in fig. 2 and 3, each of the first front locking units includes a T-shaped groove 11 at the front edge of the portal seal, a first screw 121, a portal seal fixing plate 2, and a first portal outer edge expansion bolt 10.

The hole sealing door fixing plate 2 is fixed on a wall body at the edge of a hole through a first hole outer edge expansion bolt 10, a hole sealing door front edge T-shaped groove 11 is clamped between the front edge of the hole sealing door plate 1 and the hole sealing door fixing plate 2, the head end of a first screw 121 penetrates through the hole sealing door fixing plate 2 and then is clamped in the hole sealing door front edge T-shaped groove 11, and the tail end of the first screw is locked on the hole sealing door fixing plate 2 through a nut.

Because the number of the first front locking units is large, in order to connect the numerous first front locking units into a whole to further increase the reinforcing effect, in the embodiment, three strip-shaped strips are arranged on the front edge of the portal sealing door panel 1, the three strip-shaped strips are distributed in an Jiong shape, and the T-shaped grooves 11 on the front edge of the portal sealing door in each first front locking unit are sequentially distributed on each strip-shaped strip. When the quantity of the front edge T-shaped grooves 11 of the opening sealing door on the three laths is n, the three laths are provided with the first screws 121 with the quantity equal to that of the front edge T-shaped grooves 11 of the opening sealing door in total, namely the three laths are provided with the n first screws 121 in total, the quantity of the opening sealing door fixing plates 2 is also n, the first opening outer edge expansion bolts 10 are uniformly distributed on the wall body at the edge of the opening, the quantity of the first opening outer edge expansion bolts is equal to that of the opening sealing door fixing plates 2, namely the quantity of the first opening outer edge expansion bolts is also n.

The first back locking unit is used for locking the door panel 1 of the hole sealing door and a wall body at the edge of the hole from the back of the hole sealing door.

Specifically, in this embodiment, the number of the first back locking units is multiple, and the multiple first back locking units are densely distributed on the back edge of the opening sealing door panel 1.

As shown in FIG. 3, each of the first back locking units includes a first portal inwardly extending steel frame 24 and a portal sealing door inner edge weld bolt 14.

The first opening inward-extending steel frame 24 is embedded in a wall body at the opening edge and corresponds to the back edge of the opening sealing door panel 1, and the first opening inward-extending steel frame is in locking connection with the back of the opening sealing door panel 1 through the opening sealing door inner edge welding bolt 14.

In this embodiment, it is preferable that the number of the first front locking units is equal to the number of the first back locking units, and the positions of the first front locking units and the first back locking units are in one-to-one correspondence, so that the locking forces applied to the front and the back of the door panel 1 of the hole sealing door are balanced.

Optionally, the first locking mechanism further comprises: and the first bottom plate locking unit is used for locking the bottom plate 25 of the hole sealing door and the bottom of the hole.

As shown in fig. 4, the first bottom plate locking unit includes a second opening outer edge expansion bolt 30, and both ends of the second opening outer edge expansion bolt 30 are respectively connected to the edge of the opening sealing door bottom plate 25 and the bottom of the opening.

In this embodiment, two rows of parallel threaded holes are transversely formed in the edge of the bottom plate 25 of the hole sealing door along the hole, and the positions of the two rows of threaded holes correspond to the two rows of second hole outer edge expansion bolts 30 one by one.

First sealing mechanism includes that first entrance to a cave seals up 13, and first entrance to a cave sealed pad 13 is cyclic annular, sets up between the wall body of entrance to a cave sealing door plant 1 and entrance to a cave edge to and between entrance to a cave sealing door bottom plate 25 and the entrance to a cave bottom, and specifically, first entrance to a cave sealed pad 13 includes two parts, and partly sets up between the wall body of entrance to a cave sealing door plant 1 and entrance to a cave edge, and another part sets up between one side of entrance to a cave sealing door bottom plate 25 and the entrance to a cave bottom, and the synthetic confined cyclic annular of two parts.

In this embodiment, during the connection, the front and back surfaces of the first opening sealing gasket 13 are respectively coated with an adhesive, so that the first opening sealing gasket is firmly adhered to the two sides of the opening sealing door panel 1 and the wall respectively, and is firmly adhered to one side of the opening sealing door bottom plate 25 and the bottom of the opening respectively, thereby ensuring the sealing property.

Optionally, the first sealing mechanism further includes a sealing coating 23 coated on the wall at the edge of the opening and at the bottom of the opening, and the first opening sealing gasket 13 is located between the sealing coating 23 and the opening sealing door panel 1, and between the sealing coating 23 and the opening sealing door bottom plate 25. In this embodiment, the wall body and the bottom of the opening are of a concrete structure, in order to ensure the sealing performance, the wall body at the edge of the opening and the concrete structure at the bottom of the opening need to be leveled and cleaned, and in order to further ensure the sealing performance, the sealing paint 23 can be painted on the connecting area between the wall body at the edge of the opening and the door panel 1 of the opening sealing door, and the sealing paint 23 can be painted on the connecting area between the bottom of the opening and the bottom plate 25 of the opening sealing door.

In this embodiment, the opening sealing door is disposed outside the factory building outside the opening (i.e., the opening sealing door is disposed outside the factory building). In addition, the opening sealing door can also be arranged in a factory building outside the opening, when the opening sealing door is arranged in the factory building outside the opening, the positions of the first front locking unit and the first back locking unit on the opening sealing door should be correspondingly exchanged, and the change still belongs to the protection scope of the invention.

Example 2:

this embodiment provides an entrance to a cave sealing door device, the structure of which is the same as that of the entrance to a cave sealing door device described in embodiment 1, and the difference between the two devices is: in this embodiment, the door panel 1 of the hole sealing door is provided with a door opening of a transportation channel door, and the door opening of the transportation channel door is closed by the transportation channel door.

As shown in fig. 1, the transportation access door comprises a transportation access door panel 4 and a transportation access door bottom plate 26, wherein the surface direction of the transportation access door panel 4 is perpendicular to the surface direction of the transportation access door bottom plate 26, and the transportation access door panel 4 is fixedly connected with the transportation access door bottom plate 26.

The area of the transportation channel door is larger than that of a door opening of the transportation channel door, and the edge of the door plate 4 of the transportation channel door is in contact with the door plate 1 of the sealing door of the opening at the edge of the door opening of the transportation channel door.

In this embodiment, the hole sealing door device further includes a second locking mechanism and a second sealing mechanism.

As shown in fig. 5 and 6, the second locking mechanism includes a second front locking unit and a second rear locking unit.

The second front locking unit is used for locking the door plate 4 of the transportation channel door and the door plate 1 of the hole sealing door from the front of the transportation channel door.

The number of the second front locking units is multiple, and the multiple second front locking units are densely distributed on the front edge of the door panel 4 of the transportation channel door, and preferably, the multiple second front locking units are uniformly distributed on the front edge of the door panel 4 of the transportation channel door in this embodiment.

As shown in fig. 6, each of the second front locking units includes a transport passage door outer edge T-shaped groove 16, a second screw 122, a transport passage door front fixing plate 5, and a transport passage door opening outer edge welding bolt 21,

the transport channel door front fixing plate 5 is fixed on the hole sealing door plate 1 around the transport channel door plate 4 through a transport channel door hole outer edge welding bolt 21, the transport channel door outer edge T-shaped groove 16 is clamped between the front edge of the transport channel door plate 4 and the transport channel door front fixing plate 5, the head end of the second screw 122 penetrates through the transport channel door front fixing plate 5 and is clamped in the transport channel door outer edge T-shaped groove 16, and the tail end of the second screw is locked on the transport channel door front fixing plate 5 through a nut.

In order to integrate a plurality of second front locking units to further increase the reinforcement effect, the front edge of the door panel 4 of the transport way is also provided with three strip-shaped strips in Jiong shape, and the T-shaped slots 16 on the outer edge of the transport way door in each second front locking unit are sequentially distributed on the three strip-shaped strips. When the quantity of the transport passageway door outward flange T-shaped groove 16 on three laths is m, then be provided with the second screw 122 that equals with transport passageway door outward flange T-shaped groove 16 quantity on three laths altogether, be provided with m second screw 122 on three laths altogether promptly, and transport passageway door front fixed plate 5's quantity also is m, transport passageway door opening outward flange welding bolt 21 evenly sets up on the sealed door plant 1 of entrance to a cave around transport passageway door plant 4, its quantity equals with transport passageway door front fixed plate 5's quantity, the quantity also is m promptly.

The second back locking unit is used for locking the transportation channel door panel 4 and the opening sealing door panel 1 from the back of the transportation channel door.

In this embodiment, the number of the second back locking units is plural, and the plural second back locking units are densely distributed on the back edge of the door panel 4 of the transportation path door.

Each second back locking unit comprises a transport channel door opening inner edge T-shaped groove 20, a third screw 123, a transport channel door rear fixing plate 19 and a transport channel door inner edge welding bolt 22, the transport channel door rear fixing plate 19 is fixed on the transport channel door plate 4 at the transport channel door opening edge through the transport channel door inner edge welding bolt 22, the transport channel door opening inner edge T-shaped groove 20 is clamped between the back edge of the opening sealing door plate 1 at the transport channel door opening edge and the transport channel door rear fixing plate 19, the head end of the third screw 123 penetrates through the transport channel door rear fixing plate 19 and is clamped in the transport channel door opening inner edge T-shaped groove 20, and the tail end of the third screw is locked on the transport channel door rear fixing plate 19 through a nut.

In this embodiment, the back of the door panel 1 of the sealing door for the opening at the edge of the door opening of the transportation channel door is also provided with three strip-shaped laths, three laths are Jiong-shaped and distributed, T-shaped grooves 20 in the door opening of the transportation channel door in each second back locking unit are sequentially distributed on three laths, when the number of the T-shaped grooves 20 in the door opening of the transportation channel door on the three laths is q, the three laths are provided with the third screws 123 with the same number as the T-shaped grooves 20 in the door opening of the transportation channel door, that is, the three laths are provided with q third screws 123, and the number of the rear fixing plate 19 of the transportation channel door is also q. The welding bolts 22 of the inner edge of the transportation channel door are uniformly arranged on the back surface of the door panel 4 of the transportation channel door at the edge of the door opening of the transportation channel, and the number of the welding bolts is equal to that of the rear fixing plates 19 of the transportation channel door, namely, the number of the welding bolts is also q.

In this embodiment, it is preferable that the number of the second front locking units is equal to the number of the second back locking units, and the positions of the second front locking units and the second back locking units correspond to each other one by one, so that the locking forces applied to the front and back of the door panel 4 of the transportation path door are balanced.

Optionally, the second locking mechanism further comprises: and the second bottom plate locking unit is used for locking the transportation channel door bottom plate 26 and the opening sealing door bottom plate 25, wherein the transportation channel door bottom plate 26 is arranged above the opening sealing door bottom plate 25, and the width of the transportation channel door bottom plate 26 in the direction of getting in and out the door opening of the transportation channel door is smaller than that of the opening sealing door bottom plate 25.

As shown in fig. 4, the second bottom plate locking unit includes a transportation channel door T-shaped slot 161, a fourth screw 124, a transportation channel door front end fixing plate 51 and a first long screw 17, the transportation channel door front end fixing plate 51 is fixed on the opening sealing door bottom plate 25 at the edge of the transportation channel door bottom plate 26 through the first long screw 17, the transportation channel door T-shaped slot 161 is clamped between the edge of the transportation channel door bottom plate 26 and the transportation channel door front end fixing plate 51, the head end of the fourth screw 124 passes through the transportation channel door front end fixing plate 51 and is clamped in the transportation channel door T-shaped slot 161, and the tail end thereof is locked on the transportation channel door front end fixing plate 51 through a nut.

The second bottom plate locking unit further comprises a transport channel door back edge T-shaped groove 18, a fifth screw 125, a transport channel door rear end fixing plate 191 and a second long screw 32, the transport channel door rear end fixing plate 191 is fixed on the hole sealing door bottom plate 25 at the edge of the transport channel door bottom plate 26 through the second long screw 32, the transport channel door back edge T-shaped groove 18 is clamped between the edge of the transport channel door bottom plate 26 and the transport channel door rear end fixing plate 191, the head end of the fifth screw 125 penetrates through the transport channel door rear end fixing plate 191 and is clamped in the transport channel door back edge T-shaped groove 18, and the tail end of the fifth screw is locked on the transport channel door rear end fixing plate 191 through a nut.

The number of the second floor locking units is plural.

In this embodiment, two strip-shaped slats are fixed on the bottom plate 26 of the transportation channel door along the transverse edge of the opening, wherein the transportation channel door T-shaped slots 161 in each second bottom plate locking unit are sequentially arranged on the slat which is positioned at the outer side of the factory building and close to the door opening of the transportation channel door, a fourth screw 124 is clamped in each transportation channel door T-shaped slot 161, the number of the fixing plates 51 at the front end of the transportation channel door is equal to the number of the transportation channel door T-shaped slots 161, threaded holes which correspond to the first long screws 17 one by one are formed in the bottom plate 25 of the opening sealing door, and the number of the threaded holes is equal to the number of the fixing plates 51 at the front end of the transportation channel door; the transport channel door back edge T-shaped grooves 18 in the second bottom plate locking unit are sequentially arranged on the lath, close to the inner side of the factory building, of the transport channel door opening, the number of the transport channel door back end fixing plates 191 is equal to that of the transport channel door back edge T-shaped grooves 18, the fifth screws 125 equal to the number of the transport channel door back end fixing plates 191 are placed in the T-shaped grooves 18, threaded holes in one-to-one correspondence with the second long screws 32 are formed in the hole sealing door bottom plate 25, and the number of the threaded holes is equal to that of the transport channel door back end fixing plates 191.

In addition, the second sealing mechanism includes a second sealing gasket 31, and the second sealing gasket 31 is annular and is disposed between the transportation passage door panel 4 and the opening sealing door panel 1, and between the transportation passage door bottom plate 26 and the opening sealing door bottom plate 25. Specifically, the second gasket 31 includes two parts, one part is disposed between the transportation channel door panel 4 and the opening sealing door panel 1, and the other part is disposed between one side of the transportation channel door bottom plate 26 and the opening sealing door bottom plate 25, and the two parts are combined into a closed ring shape.

In this embodiment, during the connection, the front and back surfaces of the second sealing pad 31 need to be coated with adhesives respectively, so that the second sealing pad is firmly adhered to the door panel 4 of the transportation channel door and the door panel 1 of the hole sealing door respectively, and is firmly adhered to the bottom plate 26 of the transportation channel door and the bottom plate 25 of the hole sealing door respectively, thereby preventing the sealing pad from falling off and affecting the sealing effect.

Optionally, the first opening sealing gasket 13 and the second sealing gasket 31 both adopt parallel double-channel sealing gaskets, a sealed air channel is formed in the middle of the double-channel sealing gasket, a pressing hole (not shown in the figure) is formed in the air channel positioned in the middle of the double-channel sealing gasket on the opening sealing door and the transportation channel door, and a screw is screwed in the pressing hole, so that a pressing test and a device tightness test are conveniently performed on the opening sealing door and the transportation channel door. After installing entrance to a cave sealing door device, need suppress the test to sealing door to detect the leakproofness of entrance to a cave sealing door device, concrete operation is: and screwing out the screw in the pressing hole, connecting the pressing joint with the pressing hole, performing a pressing test, and screwing the screw into the pressing hole after the pressing test is completed. In addition, each sealing gasket, namely the first opening sealing gasket 13 and the second sealing gasket 31 can be designed into a wave shape, and by adopting the shape, the contact area is small, so that the locking force is small, and the opening sealing door or the transportation channel door is simple, convenient and labor-saving to detach.

Optionally, the opening sealing door device further comprises: a transverse keel 27, a longitudinal keel 28, a vertical keel 29, and a second portal internal extension steel frame 35.

In this embodiment, the number of the transverse keels 27, the number of the longitudinal keels 28, and the number of the vertical keels 29 are plural.

As shown in fig. 7, a plurality of transverse keels 27 are transversely distributed on the back surfaces of the door panel 1 of the opening sealing door and the door panel 4 of the transportation channel door, a plurality of longitudinal keels 28 are longitudinally distributed on the back surfaces of the door panel 1 of the opening sealing door and the door panel 4 of the transportation channel door, the longitudinal keels and the transverse keels are arranged in a staggered mode, the vertical direction of the keel surface of the keel 29 is perpendicular to the opening sealing door, one end of the keel is connected with the connecting position of the transverse keel 27 and the longitudinal keel 28, the other end of the keel is connected with a second opening internal extension steel frame 35, and the second opening internal extension steel frame 35 spans the opening and two ends of the second opening internal extension.

In this embodiment, many horizontal keels 27 and the equal fixed connection of many vertical keels 28 in the back of entrance to a cave sealing door plant 1 and transportation passageway door plant 4, perpendicularly to the junction fixed connection of its one end of fossil fragments 29 and horizontal keel 27 and vertical keel 28, the other end and the second entrance to a cave internal extension shaped steel frame 35 fixed connection, wherein the second entrance to a cave internal extension shaped steel frame 35 can be two kinds of structures, one kind is that the second entrance to a cave internal extension shaped steel frame 35 spanes the entrance to a cave and its both ends embedding in the wall, its and perpendicular connecting portion to fossil fragments 29 are platelike structure. The other is that the second cave inward extending steel frame 35 comprises a structure crossing the cave and embedded into the wall body at both ends, and also comprises a plate-shaped structure extending from the bottom of the cave and fixedly connected with the vertical keel 29 at the bottom row, as shown in fig. 2, and the second structure is preferably adopted in the embodiment. The keel is arranged in the hole sealing door device, so that the strength of the door body is increased, and the hole sealing door device can bear the reference accident pressure load of a nuclear test plant.

Optionally, the front of the door panel 1 of the hole sealing door is provided with a lifting flange 3 of the hole sealing door, and the front of the door panel 4 of the transportation channel door is provided with a lifting flange 6 of the transportation channel door, so that the door panel has high mass, and the installation of the door device of the hole sealing door is facilitated by the lifting flange.

It should be noted that the door panel and the bottom panel in the hole sealing door device may be made of common carbon steel plates.

Example 1-beneficial effects of example 2:

the opening sealing door device provided by the embodiment adopts a large number of first front locking units, first back locking units and first bottom plate locking units, so that the opening sealing door device has good sealing performance due to a large number of locking points, and the safety is high for a nuclear test plant; the locking units are connected by bolts, so that the hole sealing door device has the characteristics of simple structure, easy construction, easy maintenance and replacement; the hole sealing device is provided with the transportation channel door, so that the functions of small-sized equipment and personnel entering and exiting can be realized by opening the transportation channel door under the condition that the hole sealing door is not opened, the opening times of the hole sealing door can be reduced, and the convenience and the rapidness are realized; the sealing gasket is wavy, so that the contact area is small, the locking force is small, and the opening sealing door and the transportation channel door can be conveniently opened; the sealing gasket adopts a double-channel structure, so that the sealing effect is better, and a pressing hole is arranged at an air channel in the middle of the double-channel sealing gasket, so that the sealing property of the hole sealing door device is convenient to test; the sealing coating is coated on the edge of the hole, so that the sealing performance of the hole sealing door device can be further ensured; since the back surfaces of the door plate of the hole sealing door and the door plate of the transportation channel door are both provided with keels which are fixedly connected with the second hole internal-extending steel frame, the strength of the door body structure is increased, and the hole sealing door device can bear the pressure load of the nuclear test plant benchmark accident; and hoisting flanges are arranged on the door plate of the hole sealing door and the door plate of the transportation channel door, so that the door body can be hoisted conveniently. In a word, the problem that in the prior art, the sealing door is small in size, if the sealing door needs to be adapted to a large-size door opening, the structure is complex, the construction period is long, and the sealing performance and the safety are difficult to guarantee can be solved.

Example 3:

the embodiment provides a transportation method for transporting large equipment into a nuclear test plant, which comprises the following steps:

s11, installing a hole sealing door device as described in embodiment 1 or embodiment 2 at the hole position of the nuclear test plant;

s12, checking the sealing performance of the hole sealing door device, and after the hole sealing door device is checked to be qualified, checking the sealing performance of the nuclear test plant until the hole sealing door device is checked to be qualified;

s13, detaching the hole sealing door from the hole, and transporting the large-scale equipment to a nuclear test plant;

and S14, reinstalling the hole sealing door to the hole, and plugging the hole sealing door device by using concrete.

In this example, the size of the large door opening of the nuclear test plant is 8.5 m × 5.4 m, and then the door opening is provided with the opening sealing door device as described in example 1 or example 2. In step S12, the specific operation process of the sealing performance of the hole sealing door device is checked, the first one is that the hole sealing door device adopts the structure in embodiment 1, the screw in the pressing hole on the hole sealing door is screwed out, the pressing device is connected to perform the sealing performance test, if the hole sealing door device is qualified, the pressing device is pulled out, the screw is screwed in, and if the hole sealing door device is not qualified, the first hole sealing gaskets 13 between the hole sealing door panel 1 and the wall and between the hole sealing door bottom plate 25 and the hole bottom need to be adjusted again until the sealing performance meets the requirement. The second is that the structure in embodiment 2 is adopted to the entrance to a cave sealing door device, then the screw in the pressurizing hole on the transportation channel door is screwed out, the pressurizing equipment is connected to carry out the transportation channel door tightness test, if the transportation channel door is qualified, the pressurizing equipment is pulled out, the screw is screwed in, if the transportation channel door is unqualified, the second sealing gaskets between the transportation channel door plate 4 and the entrance to a cave sealing door plate 1 and between the transportation channel door bottom plate 26 and the entrance to a cave sealing door bottom plate 25 need to be adjusted again until the tightness meets the requirements. And then carrying out a first operation process for verifying the sealing performance of the sealing door of the hole. And after the opening sealing door device is qualified, performing a benchmark accident pressure test on the nuclear test plant, and detecting the tightness of the plant until the detection is qualified. In step S13, the hole sealing door is removed from the hole, including removing the locking mechanisms disposed around the hole sealing door, and also including removing the joint between the vertical keel and the second hole inwardly-extending steel frame.

Alternatively, in the opening sealing door device, the opening sealing door panel is provided with a transportation channel door opening, and the transportation channel door opening is closed by a transportation channel door, wherein the transportation channel door device adopts the structure as described in embodiment 2.

Thus, between step S12 and step S13, the following steps are further included:

s121, detaching the transport channel door from the transport channel door opening, and conveying the small equipment into a nuclear test plant through the transport channel door opening;

and S122, reinstalling the transport channel door to the door opening of the transport channel door, and completing the assembly of the small equipment when the nuclear test plant is in a sealed condition.

In this embodiment, the size of transportation access door is the same with conventional commodity circulation door size, accomplish behind step S12, pull down transportation access door from transportation access door opening department, including dismantling perpendicular to fossil fragments and the second in-extension shaped steel frame connection department on the transportation access door plant, and set up at transportation access door locking mechanism all around, transport the small-size equipment to nuclear test factory building in through transportation access door opening, after the transportation, install transportation access door to transportation access door opening department again, only need install transportation access door locking mechanism all around this moment, have the radioactivity because of partial small-size equipment, so need be in under the sealed condition at nuclear test factory building, accomplish the equipment to small-size equipment.

This embodiment adopts entrance to a cave sealing door device to satisfy the needs of main equipment business turn over, because entrance to a cave sealing door device has adopted a large amount of fixed plates and bolted connection (for example entrance to a cave sealing door fixed plate 200, entrance to a cave sealing door inward flange welded bolt 106) around the entrance to a cave sealing door, the locking point is many, and the steerable moment of screwing up of bolted connection mode, makes the leakproofness of device high, has the characteristics of easy construction, easy maintenance change in addition. Because entrance to a cave sealing door device is equipped with the transportation access door for can be under the condition that need not open entrance to a cave sealing door, open the transportation access door and can realize that small-size equipment and personnel pass in and out the function, reduced the gate and opened the number of times, convenient and fast. In a word, the method can meet the special working condition requirements of a nuclear test plant on the plugging of a large door opening, the transportation of large test equipment and the installation of small equipment under a sealing condition.

It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims (12)

1. A hole sealing door device is characterized by comprising a hole sealing door, a first locking mechanism and a first sealing mechanism,

the area of the hole sealing door is larger than that of the hole, the edge of the hole sealing door is in contact with the wall body at the edge of the hole and is used for sealing the hole,

the opening sealing door comprises an opening sealing door plate (1) and an opening sealing door bottom plate (25),

the first locking mechanism comprises a first front locking unit and a first back locking unit,

the first front locking unit is used for locking the door panel (1) of the hole sealing door and the wall body from the front of the hole sealing door,

the first back locking unit is used for locking the door panel (1) of the hole sealing door and the wall body from the back of the hole sealing door,

the first sealing mechanism comprises a first opening sealing gasket (13), and the first opening sealing gasket (13) is arranged between the opening sealing door panel (1) and the wall body and between the opening sealing door bottom plate (25) and the bottom of the opening.

2. The hole sealing door apparatus of claim 1,

the number of the first front locking units is multiple, the multiple first front locking units are distributed on the front edge of the opening sealing door panel (1),

each first front locking unit comprises a T-shaped groove (11) at the front edge of the hole sealing door, a first screw (121), a hole sealing door fixing plate (2) and a first hole outer edge expansion bolt (10),

the hole sealing door fixing plate (2) is fixed on the wall body through a first hole outer edge expansion bolt (10), a hole sealing door front edge T-shaped groove (11) is clamped between the front edge of the hole sealing door plate (1) and the hole sealing door fixing plate (2), the head end of a first screw (121) penetrates through the hole sealing door fixing plate (2) and is clamped in the hole sealing door front edge T-shaped groove (11), the tail end of the first screw is locked on the hole sealing door fixing plate (2),

the number of the first back locking units is multiple, the multiple first back locking units are distributed on the edge of the back of the opening sealing door plate (1),

each first back locking unit comprises a first opening inward-extending steel frame (24) and an opening sealing door inner edge welding bolt (14),

a first opening inward-extending steel frame (24) is embedded in the wall body and corresponds to the back edge of the opening sealing door panel (1), and the first opening inward-extending steel frame is connected with the back side of the opening sealing door panel (1) in a locking mode through an opening sealing door inner edge welding bolt (14).

3. The hole sealing door apparatus of claim 2, wherein the first locking mechanism further comprises: a first bottom plate locking unit used for locking the bottom plate (25) of the hole sealing door and the bottom of the hole,

the first bottom plate locking unit comprises a second hole outer edge expansion bolt (30), and two ends of the second hole outer edge expansion bolt (30) are respectively connected with the edge of the hole sealing door bottom plate (25) and the bottom of the hole.

4. The door aperture sealing device as claimed in claim 3, wherein the first sealing mechanism further comprises a sealing paint (23) applied to the wall and to the bottom of the aperture, and the first aperture seal (13) is disposed between the sealing paint (23) and the aperture sealing door panel (1) and between the sealing paint (23) and the aperture sealing door bottom panel (25).

5. Entrance door system according to any of the claims 1-4, characterized in that the entrance door panel (1) is provided with a transport access door opening, which is closed by a transport access door,

the transportation channel door comprises a transportation channel door plate (4) and a transportation channel door bottom plate (26),

the area of the transportation channel door is larger than that of the door opening of the transportation channel door, the edge of the door plate (4) of the transportation channel door is contacted with the sealing door plate (1) of the opening at the edge of the door opening of the transportation channel door,

the hole sealing door device also comprises a second locking mechanism and a second sealing mechanism,

the second locking mechanism comprises a second front locking unit and a second back locking unit,

the second front locking unit is used for locking the door plate (4) of the transportation channel door and the door plate (1) of the hole sealing door from the front side of the transportation channel door,

the second back locking unit is used for locking the door plate (4) of the transportation channel door and the door plate (1) of the hole sealing door from the back of the transportation channel door,

the second sealing mechanism comprises a second sealing gasket (31), and the second sealing gasket (31) is arranged between the door panel (4) of the transportation channel door and the door panel (1) of the hole sealing door, and between the bottom plate (26) of the transportation channel door and the bottom plate (25) of the hole sealing door.

6. The hole sealing door apparatus of claim 5,

the number of the second front locking units is multiple, the second front locking units are distributed on the front edge of the door plate (4) of the transportation channel door,

each second front locking unit comprises a transport channel door outer edge T-shaped groove (16), a second screw (122), a transport channel door front fixing plate (5) and a transport channel door opening outer edge welding bolt (21),

the transport channel door front fixing plate (5) is fixed on the hole sealing door plate (1) around the transport channel door plate (4) through a transport channel door hole outer edge welding bolt (21), a transport channel door outer edge T-shaped groove (16) is clamped between the front edge of the transport channel door plate (4) and the transport channel door front fixing plate (5), the head end of a second screw (122) passes through the transport channel door front fixing plate (5) and is clamped in the transport channel door outer edge T-shaped groove (16), and the tail end of the second screw is locked on the transport channel door front fixing plate (5),

the number of the second back locking units is multiple, the second back locking units are distributed on the back edge of the door panel (4) of the transportation channel door,

each second back locking unit comprises a transport channel door opening inner edge T-shaped groove (20), a third screw (123), a transport channel door rear fixing plate (19) and a transport channel door inner edge welding bolt (22), the transport channel door rear fixing plate (19) is fixed on the transport channel door plate (4) at the transport channel door opening edge through the transport channel door inner edge welding bolt (22), the transport channel door opening inner edge T-shaped groove (20) is clamped between the back edge of the opening sealing door plate (1) at the transport channel door opening edge and the transport channel door rear fixing plate (19), the head end of the third screw (123) penetrates through the transport channel door rear fixing plate (19) and is clamped in the transport channel door opening inner edge T-shaped groove (20), and the tail end of the third screw is locked on the transport channel door rear fixing plate (19).

7. The portal sealing door apparatus of claim 6, wherein said second locking mechanism further comprises: a second bottom plate locking unit for locking the transportation channel door bottom plate (26) and the opening sealing door bottom plate (25),

the second bottom plate locking unit comprises a transportation channel door T-shaped groove (161), a fourth screw (124), a transportation channel door front end fixing plate (51) and a first long screw (17), the transportation channel door front end fixing plate (51) is fixed on the hole sealing door bottom plate (25) at the edge of the transportation channel door bottom plate (26) through the first long screw (17), the transportation channel door T-shaped groove (161) is clamped between the edge of the transportation channel door bottom plate (26) and the transportation channel door front end fixing plate (51), the head end of the fourth screw (124) penetrates through the transportation channel door front end fixing plate (51) and is clamped in the transportation channel door T-shaped groove (161), and the tail end of the fourth screw is locked on the transportation channel door front end fixing plate (51),

the second bottom plate locking unit further comprises a transport channel door back edge T-shaped groove (18), a fifth screw (125), a transport channel door rear end fixing plate (191) and a second long screw (32), the transport channel door rear end fixing plate (191) is fixed on the hole sealing door bottom plate (25) at the edge of the transport channel door bottom plate (26) through the second long screw (32), the transport channel door back edge T-shaped groove (18) is clamped between the edge of the transport channel door bottom plate (26) and the transport channel door rear end fixing plate (191), the head end of the fifth screw (125) penetrates through the transport channel door rear end fixing plate (191) and is clamped in the transport channel door back edge T-shaped groove (18), and the tail end of the fifth screw is locked on the transport channel door rear end fixing plate (191).

8. A hole sealing door device according to claim 7, characterized in that the first hole gasket (13) and the second gasket (31) are parallel two-way gaskets, and a sealed air passage is formed between the two-way gaskets,

and the air channel between the double-channel sealing gasket on the hole sealing door and the transportation channel door is provided with a pressing hole, and a screw is screwed in the pressing hole.

9. The portal sealing door apparatus of claim 8, further comprising: a transverse keel (27), a longitudinal keel (28), a vertical keel (29) and a second hole internal extension steel frame (35),

the number of the transverse keels (27), the number of the longitudinal keels (28) and the number of the vertical keels (29) are respectively a plurality,

many horizontal fossil fragments (27) are along the back of horizontal distribution at entrance to a cave sealing door plant (1) and transportation passageway door plant (4), many vertical fossil fragments (28) are along the back of vertical distribution at entrance to a cave sealing door plant (1) and transportation passageway door plant (4), and vertical fossil fragments and horizontal fossil fragments staggered arrangement, perpendicular to the bone face direction of fossil fragments (29) and entrance to a cave sealing door perpendicular, its one end is connected with the junction of horizontal fossil fragments (27) and vertical fossil fragments (28), the other end is connected with second entrance to a cave internal extension shaped steel frame (35), second entrance to a cave internal extension shaped steel frame (35) span entrance to a cave and its both ends embedding in the wall.

10. Door opening sealing device according to claim 9, characterized in that the front side of the door panel (1) is provided with a door opening sealing lifting flange (3) and the front side of the door panel (4) is provided with a door transporting lifting flange (6).

11. A transportation method for transporting large equipment into a nuclear test plant is characterized by comprising the following steps:

s11, installing the hole sealing door device of any one of claims 1-10 at the hole position of the nuclear test plant;

s12, checking the sealing performance of the hole sealing door device, and after the hole sealing door device is checked to be qualified, checking the sealing performance of the nuclear test plant until the hole sealing door device is checked to be qualified;

s13, detaching the hole sealing door from the hole, and transporting the large-scale equipment to a nuclear test plant;

and S14, reinstalling the hole sealing door to the hole, and plugging the hole sealing door device by using concrete.

12. The transportation method according to claim 11, wherein in the portal sealing door apparatus, a transportation access door portal is opened on the portal sealing door panel, the transportation access door portal is closed by a transportation access door,

between step S12 and step S13, the following steps are further included:

s121, detaching the transport channel door from the transport channel door opening, and conveying the small equipment into a nuclear test plant through the transport channel door opening;

and S122, reinstalling the transport channel door to the door opening of the transport channel door, and completing the assembly of the small equipment when the nuclear test plant is in a sealed condition.

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