CN205990840U - X-type connecting rod carousel-type closedown structure for tunnel protection door, tunnel cavern door - Google Patents

Abstract

The utility model provides an X-type connecting rod turntable structure used for tunnel protective doors and tunnel chamber doors. The tunnel protective doors and tunnel chamber doors include door leaves and door frames. It includes a lock and a turntable; there is a turntable in the middle of the door leaf, and four locks are connected to the turntable. The lock includes a connecting rod and a lock head. One end of the connecting rod is connected to the turntable, and the other end is provided with a lock head; the door frame is fixed in the tunnel. On the concrete walls or fire-proof and anti-explosion plates of various caverns, the left mullion and the right mullion of the door frame are provided with door frame lock holes for the lock head to penetrate. The X-type connecting rod turntable locking structure proposed by the utility model is suitable for small and medium-sized tunnel protective doors and tunnel cavern doors, and can firmly close the cavern doors, improving the safety, durability, and durability of the protective doors and cavern doors. Impact resistance and fatigue resistance.

Description

X-type connecting rod turntable locking structure for tunnel protection door and tunnel chamber door

technical field

The utility model belongs to the technical field of railway construction, in particular to a locking structure for various chamber doors of tunnels.

Background technique

A tunnel is an engineering building buried in the ground, and it is a form of human use of underground space. Tunnels can be divided into traffic tunnels, hydraulic tunnels, municipal tunnels, and mine tunnels. The structure of the tunnel includes two parts, the main building and the auxiliary equipment. The main building is composed of the cave body and the cave door, and the auxiliary equipment includes car shelters, fire protection facilities, emergency communication and waterproof and drainage facilities.

Tunnels are usually equipped with caverns for placing equipment, and tunnel protective doors are used in railway tunnels, such as cross passages, caverns for various equipment (ventilation, communication, power, etc.), emergency rescue operations, emergency exits, shelters, shafts Access to tunnels, inclined shaft access tunnels, repeaters, substations and other caverns, it is used for fire prevention, anti-explosion, resisting positive and negative wind pressure caused by train periodic piston wind, preventing equipment damage and ensuring personnel safety. special purpose doors.

At present, there are problems such as heavy weight, easy to corrode, low strength, poor durability, poor fatigue resistance and poor quality of fittings in the doors of railway tunnel tunnels.

The environmental conditions in the tunnel are complex, and the cavern door is often disturbed by positive and negative wind pressure shock vibrations. Therefore, the cavern door needs to have good fatigue resistance and durability, and its working conditions require the cavern door to have the characteristics of flexible opening and closing. There is an adapted locking structure.

Utility model content

Aiming at the deficiencies in the art, the purpose of this utility model is to provide an X-type connecting rod turntable locking structure for tunnel protective doors and tunnel chamber doors.

The technical solution for realizing the above-mentioned purpose of the utility model is:

An X-type connecting rod turntable locking structure for tunnel protection doors and tunnel chamber doors, the tunnel protection doors and tunnel chamber doors include door leaves and door frames, and the X-type connecting rod turntable locking structure includes locking and turntable;

A turntable is arranged in the middle of the door leaf, and the turntable is connected with four locks through four connecting rods;

The door frame is fixed on the concrete support of the tunnel or the fireproof and anti-explosion plate, and the left mullion and the right mullion of the door frame are provided with door frame lock holes for locking to penetrate.

Further, the door leaf is a hollow cuboid with reinforcing ribs, the connecting rod and the turntable are located inside the door leaf, and the side walls on both sides of the door leaf are provided with holes for the connecting rod to pass through.

Wherein, the inner side and the outer side of the door body are provided with handwheels, and the handwheels are connected with the turntable.

Wherein, the end of the connecting rod is provided with a locking seat, the locking seat is provided with a shaft, and a locking is sleeved on the shaft.

Preferably, the door frame lock hole has a trapezoidal shape, and the short side of the trapezoid is adjacent to the middle of the door frame in the vertical direction.

The trapezoid can be an isosceles trapezoid or a right-angled trapezoid, which can be processed into rounded and chamfered corners. The short side of the trapezoid is adjacent to the middle part of the door frame (the middle part in the vertical direction of the door frame). The lock hole is adapted to the shape of the lock, which is convenient for the lock to be inserted into the lock hole, and the lock hole ensures that the lock will not slip out, keeping the door tightly closed and firm .

More preferably, the materials of the door leaf, the door frame and the turntable are all glass fiber reinforced plastics.

The beneficial effects of the utility model are:

The X-type connecting rod turntable locking structure proposed by the utility model for tunnel protective doors and tunnel chamber doors adopts the door leaf and door frame made of glass fiber reinforced plastics, which can be integrally formed by glass fiber reinforced plastics, which is convenient for manufacturing. Hollow door leaf with reinforcing ribs, and a door frame with a certain geometric lock hole; and the entire tunnel protective door and tunnel chamber door have the advantages of light weight, high strength, and corrosion resistance, adapting to the complex environment in the tunnel.

The X-type connecting rod turntable locking structure proposed by the utility model is suitable for small and medium-sized tunnel protective doors and cavern doors, and can firmly close the doors, improving the safety, durability and impact resistance of the protective doors and cavern doors. and anti-fatigue properties.

Description of drawings

Fig. 1 is the front view of the tunnel protective door and the tunnel chamber door with the X-type connecting rod turntable type locking structure installed;

Fig. 2 is the top view of Fig. 1;

Figure 3 is a side view of Figure 1

Fig. 4 is a perspective view of a door frame.

Fig. 5 is a perspective view of a connecting rod.

Fig. 6 is a perspective view of the locking seat.

Figure 7 is a perspective view of the latch.

The parts represented by each number in the figure are: 1. door leaf, 2. door frame, 201. door frame lock hole, 3. turntable, 301. hand wheel, 4. connecting rod, 401. locking seat, 402 locking, 5. concrete support structure.

detailed description

The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

Below in conjunction with accompanying drawing and concrete implementation the utility model is further described.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplified descriptions, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

Example 1

Referring to Figures 1 to 3, the tunnel protection door and the tunnel chamber door are set on the cavern in the tunnel, including the door frame 2 and the door leaf 1, and the door frame is fixed on the concrete support structure 5 or the fireproof and explosion-resistant plate of the tunnel, X-type The connecting rod turntable type locking structure is arranged on the tunnel protective door and the tunnel chamber door. The left mullion and the right mullion of the door frame are provided with a door frame lock hole 201 for the lock head to penetrate. Referring to Fig. 4, the door frame lock hole has a trapezoidal shape, and the short side of the trapezoid is adjacent to the middle part of the door frame. Taking the side door frame in Fig. 4 as an example, the short side of the upper door frame lock hole is at the bottom, and the lower door frame lock hole has the short side at the top.

The X-shaped linkage turntable locking structure includes a lock, a turntable 3 , a connecting rod 4 , and a locking seat 401 .

Referring to Fig. 5 to Fig. 7, a turntable 3 is set in the middle of the door leaf 1, and the turntable is connected with four locks, the locks include a connecting rod 4 and a lock head, one end of the connecting rod is connected with the turntable, and the other end is connected by a screw hole and a bolt Lock head, four connecting rods form an X shape with the rotating disk as the center; the door leaf is a hollow cuboid, the connecting rod 4 and the rotating disk 3 are located inside the door leaf, and the side walls on both sides of the door leaf have holes for the connecting rod to pass through. Both the inside and the outside of the door leaf are provided with handwheels 301 (the inside refers to the side where the equipment is placed, and the outside refers to the side where vehicles pass through), and the handwheel is connected to the turntable.

Specifically, the lock head includes a locking seat 401 fixed to the end of the connecting rod, the locking seat 401 is provided with a shaft, and a locking 402 is sleeved on the shaft. There are screw holes on the locking seat 401 for connecting with the connecting rod.

In this embodiment, the materials of the door leaf, the door frame and the turntable are all glass fiber reinforced plastics. The width B of the door leaf is 1500mm, the height H is 2100mm, the thickness of the door leaf is δ100mm, and the weight is only 350kg. The entire tunnel protection door and tunnel chamber door have the advantages of light weight, high strength and corrosion resistance, and are suitable for the complex environment in the tunnel.

The above is only the preferred embodiment of the utility model, and it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. And retouching should also be regarded as the protection scope of the present utility model.

Claims (6)

1. An X-type connecting rod turntable type locking structure for tunnel protection door and tunnel chamber door, said tunnel protection door and tunnel chamber door comprising door leaf and door frame, characterized in that said X-type connecting rod rotating disk The type locking structure includes a lock and a turntable; A turntable is arranged in the middle of the door leaf, and the turntable is connected with four locks through four connecting rods; The door frame is fixed on the concrete support of the tunnel or the fireproof and anti-explosion plate, and the left mullion and the right mullion of the door frame are provided with door frame lock holes for the lock head to penetrate. 2. The X-type connecting rod turntable locking structure according to claim 1, wherein the door leaf is a hollow cuboid with reinforcing ribs, the connecting rod and the turntable are located inside the door leaf, and the sides of the door leaf are The wall is provided with a hole for the connecting rod to pass through. 3. The X-shaped connecting rod turntable locking structure according to claim 1, characterized in that, the inner and outer sides of the door body are provided with handwheels, and the handwheels are connected to the turntable. 4 . The X-shaped connecting rod turntable locking structure according to claim 1 , characterized in that, the end of the connecting rod is provided with a locking seat, the locking seat is provided with a shaft, and the locking seat is sleeved on the shaft. 5 . The X-shaped link turntable locking structure according to any one of claims 1 to 4 , wherein the lock hole of the door frame has a trapezoidal shape, and the short side of the trapezoid is adjacent to the middle of the door frame in the vertical direction. 6 . 6 . The X-shaped connecting rod turntable locking structure according to any one of claims 1 to 4 , wherein the materials of the door leaf, the door frame and the turntable are all glass fiber reinforced plastics. 7 .