CN211230097U - Light high-strength corrosion-resistant tunnel protection door or cavern door - Google Patents
Light high-strength corrosion-resistant tunnel protection door or cavern door Download PDFInfo
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- CN211230097U CN211230097U CN201921590414.9U CN201921590414U CN211230097U CN 211230097 U CN211230097 U CN 211230097U CN 201921590414 U CN201921590414 U CN 201921590414U CN 211230097 U CN211230097 U CN 211230097U
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Abstract
The utility model discloses a light, high-strength and corrosion-resistant tunnel protective door or a tunnel chamber door, which comprises a protective door mounting base, a door leaf (1) arranged on the protective door mounting base and an external stable structure arranged on the door leaf (1); the protective door installation base comprises a door sleeve (3) and a door frame (2), the door leaf (1) comprises a door leaf internal member, the door leaf internal member comprises a door leaf framework (10), a door leaf internal framework (11) arranged on the door leaf framework (10) and a fireproof heat insulation plate (18) arranged on the surface of the door leaf internal framework (11), the external stable structure comprises a safety chain device (6) which is arranged on the tunnel wall on one side of the door frame (2) and is movably connected with the door leaf (1) through a chain (602). The utility model discloses a tunnel guard gate, door leaf shell select for use glass fiber reinforced plastic to pour, and whole tunnel guard gate, tunnel cave room door have advantages such as light, high strength, corrosion-resistant, fatigue-resistant, maintain the change convenience.
Description
Technical Field
The utility model belongs to tunnel mechanical equipment field, more specifically relates to a light high strength corrosion-resistant tunnel protection door or hole room door.
Background
A tunnel is a building passage through which cars or trains pass. With the development of railway construction in China, particularly large-scale construction of passenger dedicated lines, the number and length of railway tunnels are increased year by year, and the problems of fire prevention and rescue design of the railway tunnels are increasingly prominent. The tunnel is provided with a chamber for storing special equipment, and the protective door is a door with special purposes which is applied to places such as railway tunnels, transverse channels, repeaters, transformer substations and the like and is set for blocking the safety requirements of the harm of the air pressure shock wave source. Meanwhile, the tunnel protection door has excellent explosion-proof performance, the explosion resistance reaches 0.11Mpa, the system design and operation are flexible and reliable, and the tunnel protection door has the explosion-proof performance of fireproof performance. Under the disaster condition, the protective door has important significance for protecting equipment in the cavern, ensuring smooth information, evacuating people and creating escape conditions.
The tunnel guard gate pastes and faces the interior rail line district setting of tunnel, and the train is gone at high speed, produces huge tunnel piston wind, directly acts on the guard gate. Before the train passes by, the piston wind acting on the protective door is positive wind pressure, so that the door body deforms towards the evacuation channel side of the equipment cavity; after the train runs, the piston wind acting on the protective door is negative wind pressure, so that the door body deforms towards the rail running side. When a train rushes into the tunnel at a high speed, air in the tunnel is extruded to generate wind pressure, the maximum wind pressure is near the locomotive, and negative pressure is generated at the tail of the train. The result of the wind pressure variations is to subject the door to alternating loads. Although the maximum wind pressure generated by train passing is far lower than the pressure of explosion shock wave, the piston wind generated by the train passing is positive and negative wind pressure alternately, and the wind pressure acts on the door body circularly, so that the door body stress member can be fatigued and damaged
The door in the prior art is mainly prepared by reinforced concrete or a steel door, but the reinforced concrete door is heavy, the door is inconvenient to open and close, the installation is difficult, the deformation is easy, and the preparation period is long; the steel door is easy to corrode and has poor fire and explosion resistance. And the two doors have the defects of poor durability check, poor fatigue resistance, need of regular maintenance and the like.
SUMMERY OF THE UTILITY MODEL
To the above defect or the improvement demand of prior art, the utility model provides a corrosion-resistant tunnel guard gate of light high strength or hole room door, guard gate installation basement are established in tunnel reservation door opening department, provide the fixed mounting basement for this guard gate or hole room door to in the installation of door leaf, provide further protection for this guard gate or hole room door through external stabilization structure. Simultaneously, the door leaf shell chooses for use glass fiber reinforced plastic to pour for whole tunnel guard gate, tunnel cave room door have light, high strength, corrosion-resistant, advantage such as fatigue-resistant, the durability is good, and maintain, change the convenience, are applicable to the interior complex environment of tunnel, have prolonged tunnel equipment's service life.
In order to achieve the above object, the present invention provides a light, high-strength and corrosion-resistant tunnel protection door or a tunnel chamber door, which comprises a protection door installation base, a door leaf arranged on the protection door installation base, and an external stabilizing structure arranged on the door leaf; wherein the content of the first and second substances,
the protective door mounting base is arranged at a reserved door opening of the tunnel, provides a fixed mounting foundation for the door leaf, and comprises a door pocket and a door frame, wherein T-shaped flat steel parts are uniformly embedded around the door pocket, the door pocket is fixed on the outer end face of the door opening through the T-shaped flat steel parts, and the door frame is fixedly connected with the door pocket;
the door leaf is rotatably connected with the door frame through a hinge and comprises a door leaf internal component, the door leaf internal component comprises a door leaf framework, a door leaf internal framework and a fireproof heat insulation plate, the door leaf internal framework is arranged on the door leaf framework, the fireproof heat insulation plate is arranged on the surface of the door leaf internal framework, the door leaf framework forms an internal framework structure of the door leaf, an internal support and installation base is provided for the door leaf, the structural dead weight of the door leaf is reduced, the inner side of the door leaf internal framework is fixedly connected with the door leaf framework, the outer side of the door leaf internal framework is fixedly connected with the fireproof heat insulation plate, and;
the external stabilizing structure comprises a safety chain device which is arranged on the tunnel wall on one side of the door frame and is movably connected with the door leaf through a chain so as to prevent the door leaf from falling when bearing impact.
Further, the door leaf internal member includes upper and lower locking lever, and it vertically locates inside the door leaf is kept away from one side of hinge, and this upper and lower locking lever includes locking lever, locking lever and connecting piece down, the connecting piece is the elliptical plate, its both ends respectively in upper locking lever and locking lever connection down, the centre is connected with the pivot of hand wheel, just the top of upper locking lever and the bottom of locking lever down all extend respectively to in the circular slot that the door pocket was reserved from top to bottom.
Further, the door leaf comprises a door leaf external member, and the door leaf external member comprises a door handle which is a C-shaped galvanized round rod and is arranged on the lower side of the hand wheel.
Further, the door leaf external member includes a hook ring which is a C-shaped galvanized round bar and is disposed at a position close to the bottom end face of the door leaf and far away from the rotating shaft.
Further, safe chain device includes unable adjustment base and link, wherein, unable adjustment base locates on the tunnel wall through chemical crab-bolt and expansion bolts, the link is located one side that the door leaf is close to the hinge.
Further, outside stable structure includes the stopper, and this stopper includes the support frame, the support frame includes lower extreme rectangular plate and upper end support, the lower extreme rectangular plate is fixed in on the cavern floor through chemical crab-bolt and expansion bolts.
Further, the stopper includes the spacing snubber block of rubber, and this spacing snubber block of rubber is cylindric rubber structure, locates on the support frame.
Further, the stopper includes the couple, this couple with support frame fixed connection.
Further, outside stable structure includes sealing strip recess and sealing strip, the whole ring form structure that is of sealing strip encircles and locates around the door leaf, the sealing strip recess is the ring form rubber groove of circle, locates on the door frame, just sealing strip recess and sealing strip phase-match with it seals when the door leaf is closed.
Further, the door pocket is L-shaped galvanized angle steel, and the door frame is of a square-shaped structure made of galvanized steel.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
1. the utility model discloses a tunnel guard gate, guard gate installation basement are established in tunnel reservation door opening department, provide the fixed mounting basement for this guard gate or hole room door to in the installation of door leaf, provide further protection for this guard gate or hole room door through external stabilization structure. Simultaneously, the door leaf shell chooses for use glass fiber reinforced plastic to pour for whole tunnel guard gate, tunnel cave room door have light, high strength, corrosion-resistant, fatigue-resistant, the durability is good, maintain, change the convenience, are applicable to the interior complex environment of tunnel, have prolonged tunnel equipment's life.
2. The utility model discloses a tunnel guard gate, the whole shape structure that returns of door frame, the shape structure of returning chooses for use galvanized steel preparation, on the one hand, can provide a reliable stable installation base for the hinge, and on the other hand chooses for use galvanized steel preparation can effectually prevent that the door pocket from taking place to corrode, improves the corrosion resisting property of this guard gate or cavern door.
3. The utility model discloses a tunnel guard gate, door leaf skeleton can effectually guarantee the anticorrosive and intensity of self and the effectual dead weight that alleviates self when providing inside support and installation basement for the door leaf.
4. The utility model discloses a tunnel guard gate, fire prevention heat insulating board select for use fire prevention heat insulating material to make square board, and this square board passes through the square vacancy department of bolt fastening shell before the door leaf skeleton is close to the door leaf, when the condition such as conflagration takes place, can effectually play the thermal-insulated effect of fire prevention.
5. The utility model discloses a tunnel guard gate, door leaf shell select for use glass fiber reinforced plastic's rectangle trough-shaped structure, and the shell passes through the welded mode before the door leaf to be fixed on the door leaf inner frame, and the shell splices the shell mutually before shell installation behind the door leaf and the door leaf before accomplishing the door leaf, accomplishes the installation of door leaf shell, and this door leaf shell surface tight joint can dampproofing and waterproofing, and is corrosion-resistant.
6. The utility model discloses a tunnel guard gate accomplishes after closing the door, sticiss through this sealing strip recess and the mutual contact of sealing strip, can effectually seal this guard gate or entrance to a cave door.
7. The utility model discloses a tunnel protection door, when opening the door, the spacing snubber block of rubber can prevent effectively that 1 directness of door leaf from bumping with the cavern wall, after the completion is closed the door, the couple is hung and is lived the shackle and fixed this protection door or cavern door, prevents that protection door or cavern door accident from closing.
Drawings
FIG. 1 is a front view of a light, high-strength and corrosion-resistant tunnel protection door or a tunnel chamber door in a closed state according to an embodiment of the present invention;
FIG. 2 is a top view of the light, high-strength and corrosion-resistant tunnel protection door or tunnel door according to an embodiment of the present invention;
fig. 3 is a schematic view of an internal structure of a light, high-strength and corrosion-resistant tunnel protection door or a tunnel chamber door according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a light, high-strength and corrosion-resistant tunnel protection door or a tunnel chamber door in the horizontal direction according to an embodiment of the present invention;
fig. 5 is a schematic view of a light, high-strength and corrosion-resistant framework 10 for a door leaf of a tunnel protection door or a chamber door of the present invention;
FIG. 6 is a front view of the inner frame 11 of the light, high-strength and corrosion-resistant door leaf of the tunnel protection door or the chamber in the embodiment of the present invention;
fig. 7 is a top view of the inner frame 11 of the light, high-strength and corrosion-resistant door leaf of the tunnel protection door or the grotto in the embodiment of the invention;
fig. 8 is a partial enlarged view of a light, high-strength and corrosion-resistant safety chain device 6 for a tunnel protection door or a tunnel chamber door according to an embodiment of the present invention;
fig. 9 is a front view of a light weight, high strength and corrosion resistant stopper 7 of a tunnel protection door or a tunnel chamber door according to an embodiment of the present invention;
fig. 10 is a left side view of a light weight, high strength and corrosion resistant stopper 7 of a tunnel protection door or a tunnel chamber door according to an embodiment of the present invention;
fig. 11 is a top view of the light weight, high strength and corrosion resistant tunnel protection door or the door of the cavern 7 according to the embodiment of the present invention.
In all the figures, the same reference numerals denote the same features, in particular: 1-door leaf, 2-door frame, 3-door pocket, 4-hinge, 5-hand wheel, 6-safety chain device, 7-stopper, 8-door handle, 9-hook ring, 10-door leaf framework, 11-door leaf inner framework, 12-upper and lower lock rod, 13-T type flat steel piece, 14-chemical anchor bolt, 15-expansion bolt, 16-sealing strip groove, 17-sealing strip, 18-fireproof heat insulation board, 601-fixed base, 602-chain, 603-connecting end, 701-supporting frame, 702-hook, 703-rubber limit shock-absorbing block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and 2, the embodiment of the present invention provides a light, high-strength and corrosion-resistant tunnel protection door or a tunnel door, which includes a protection door installation base, a door leaf 1 and an external stabilizing structure. The protective door mounting substrate is arranged at the reserved door opening of the tunnel and provides a fixed mounting substrate for the protective door or the chamber door so as to facilitate the installation of the door leaf 1. Further protection is provided for the guard door or cavern door by an external stabilizing structure. Simultaneously, 1 shell of door leaf chooses for use glass fiber reinforced plastic to pour for whole tunnel guard gate, tunnel cavern door have the advantage of light, high strength, corrosion-resistant, fatigue-resistant, the durability is good, maintenance, change convenience, are applicable to the interior complex environment of tunnel, have prolonged tunnel equipment's life.
As shown in fig. 1 and 2, the protective door mounting base includes a door frame 2, a door pocket 3, and a hinge 4. Wherein, the whole L type galvanized angle steel that is of door pocket 3, and evenly establish around this door pocket 3 and have pre-buried T type band steel spare 13, fix this door pocket 3 at the outer terminal surface opening edge of door opening through the bolt, provide a reliable and stable installation base for guard gate or hole room door, simultaneously, all be provided with the circular recess at the top and the bottom of the side of opening the door of this door pocket 3, the installation of locking lever 12 about being convenient for. The whole shape structure that returns that is of door frame 2, this time shape structure pass through the bolt fastening in the outer terminal surface department of door pocket 3, and preferred punishment returns the shape structure and chooses for use the galvanized steel preparation, on the one hand, can provide a reliable stable installation base for hinge 4, and on the other hand chooses for use the galvanized steel preparation can effectually prevent that door pocket 3 from taking place to corrode, improves the security and the reliability of this guard gate or cavern door. Meanwhile, three hinges 4 are arranged on the protective door or the chamber door from top to bottom along the rotating side of the door frame 2, each hinge 4 comprises a hinge mounting base and a hinge connecting device, the hinge mounting base is a short square tube made of galvanized steel sheets and is fixed on the door frame 2 through bolts, a rotating shaft is arranged in the middle of each hinge connecting device, a rotating shaft support is fixed on the hinge mounting base, and a rotating shaft extending connecting plate is fixed on the shell of the door leaf 1 through bolts and is used for connecting the door leaf 1 and the door frame 2.
As shown in fig. 1, 2, 3 and 4, the door leaf 1 includes a door leaf outer member and a door leaf inner member. The door leaf internal member comprises a door leaf framework 10, a door leaf inner framework 11, an upper locking rod 12, a lower locking rod 12, a T-shaped flat steel piece 13 and a fireproof heat insulation plate 18. As shown in fig. 3, fig. 4 and fig. 5, the door leaf framework 10 is an internal framework structure of the protective door or the cavity door, the door leaf framework 10 is composed of three transverse square tubes and three longitudinal square tubes which are vertically crossed and arranged on the back side inside the door leaf 1, the door leaf framework 10 can effectively guarantee self corrosion resistance and strength and effectively reduce self dead weight when providing an internal support and installation base for the door leaf 1, and safety and reliability of the protective door or the cavity door are improved. As shown in fig. 6 and 7, the door leaf inner frame 11 is a rectangular structure fixedly connected by galvanized steel sheets, and meanwhile, nine T-shaped flat steel members 13 are uniformly arranged on the rectangular structure, and the door leaf inner frame 11 is fixedly installed at the middle position of the door leaf frame 10 through the T-shaped flat steel members 13, so that the door leaf frame 10 is connected with the door leaf shell, and further, the stability and reliability of the door leaf 1 are improved. The upper and lower lock rods 12 are longitudinally arranged on one side, far away from the rotating shaft, inside the door leaf 1, of the upper and lower lock rods 12, each upper and lower lock rod 12 comprises an upper lock rod, a lower lock rod and a connecting piece, each connecting piece is an elliptical plate, two ends of each connecting piece are respectively connected with the upper lock rod and the lower lock rod, the middle of each connecting piece is connected with the middle shaft of the hand wheel 5, the upper end of each upper lock rod and the lower end of each lower lock rod respectively extend into circular grooves reserved in the upper portion and the lower portion of the door pocket 3, the upper lock rods and the lower locks. Meanwhile, an access panel is arranged at the position of the upper and lower lock rods 12 close to the front shell of the door leaf, and the access panel is fixed on the door leaf framework 10 through bolts, so that the upper and lower lock rods 12 can be conveniently overhauled. The fire-proof heat insulation board 18 is made of fire-proof heat insulation materials into square plates, the square plates are fixed in the square vacant positions of the shell in front of the door leaf close to the door leaf through bolts, and when fire disasters and other conditions happen, the fire-proof heat insulation effect can be effectively played, and the safety and the reliability of the protective door or the cavern door are improved. In addition, the door leaf panel passes through built-in fitting and door leaf skeleton welding, sound construction is reliable, general door panel is the veneer or beats the screw, perhaps to wearing the screw, the general intensity of veneer is not enough, be used for ordinary door, it is not so strong to beat the structure of ordinary screw, and it is easy not hard up under the long-term vibration that the tunnel train passes through to drop easily, it is stronger to wearing the screw structure, also there is not hard up danger, we this kind of door leaf panel built-in fitting and door leaf skeleton welded mode is more reliable, and there is the face of built-in fitting tunnel track one side again, just receive that direction that the train cycle piston wind acted on repeatedly, therefore, the utility model discloses in, the door leaf panel passes through built-in fitting and door leaf skeleton welding, sound construction is reliable, can bear strong tunnel piston wind effect and be unlikely to drop.
Furthermore, the door outer member comprises a door shell, a hand wheel 5, a door handle 8 and a shackle 9. Wherein, the door leaf shell includes shell and door leaf rear shell before the door leaf, and this door leaf shell chooses for use glass fiber reinforced plastic's rectangle trough-shaped structure, and the shell passes through the welded mode before the door leaf to be fixed on door leaf inner frame 11, splices the shell mutually with door leaf rear shell and door leaf before the shell mounting before accomplishing the door leaf, accomplishes the installation of door leaf shell, and this door leaf shell surface is tight silk and is stitched, but dampproofing and waterproofing, corrosion-resistant. Hand wheel 5, door handle 8 and shackle 9 set up on the shell before the door leaf, and hand wheel 5 sets up the shell middle part is partial to and keeps away from the position of pivot end before the door leaf, and the normal switch of guarantee guard gate or cave room door is used with upper and lower locking lever 12 cooperation to its 5 pivots of hand wheel to pass the shell before the door leaf. The door handle 8 is a C-shaped galvanized round rod and is arranged on the lower side of the hand wheel 5, so that a worker can normally open and close the door. The hook ring 9 is a C-shaped galvanized round rod, is arranged at a position close to the bottom end face of the front shell of the door leaf and far away from the end of the rotating shaft, and is matched with the stopper 7 for use.
As shown in fig. 1, 2 and 8, the external stabilizing structure includes a safety chain device 6, a stopper 7, a chemical anchor 14, an expansion bolt 15, a sealing strip groove 16 and a sealing strip 17. The sealing strip groove 16 is matched with the sealing strip 17 for use, and the sealing strip 17 is integrally of a circular structure which is arranged around the door edge of the rear shell close to the door leaf in a surrounding manner; the weather strip groove 16 is a ring-shaped rubber groove provided around the inner ring of the door frame 2. After the door is closed, the sealing strip groove 16 and the sealing strip 17 are contacted and pressed mutually, so that the protection door or the chamber door can be effectively sealed, and the safety and the reliability of the protection door or the chamber door are improved. Meanwhile, the safety chain device 6 includes a fixing base 601, a chain 602, and a connecting end 603. The fixed base 601 is arranged on the tunnel wall, the level is close to that of the hand wheel 5, the bottom surface of the fixed base 601 is a rectangular plate, a connecting frame is arranged on the rectangular plate, four bolts are arranged at four corners of the rectangular plate, two chemical anchor bolts 14 and two expansion bolts 15 are respectively arranged, and the fixed base 601 is fixed on the tunnel wall. The connecting end 603 is fixedly arranged at a position close to the rotating shaft of the door leaf front shell through bolts, the horizontal height of the connecting end 603 is the same as that of the fixed base 601, and the connecting end 603 is also provided with a connecting frame. The two ends of the chain 602 are respectively connected with the connecting frame of the end 603 and the connecting frame of the fixing base 601, and the safety chain device 6 is used for preventing the protective door or the chamber door from falling when bearing impact, so that the safety of the protective door or the chamber door is improved. Further, as shown in fig. 9, 10 and 11, the stopper 7 includes a support frame 701, a hook 702 and a rubber stopper damper 703. The support frame 701 comprises a lower-end rectangular plate and an upper-end support, four bolts are arranged at four corners of the lower-end rectangular plate, two chemical anchor bolts 14 and two expansion bolts 15 are respectively arranged, the limiting stopper 7 is fixed on the floor in the cavern and is flush with the rotating shaft edge of the cavern. The upper end support is composed of an L-shaped plate and an inclined plate in a welded mode to form a triangular structure, the L-shaped plate is vertically arranged, a cylindrical barrel is arranged at the top end of the L-shaped plate and used for installing a rubber limiting shock absorption block 703, two rectangular extension plates are arranged at the bottom end of the L-shaped plate, and a cylindrical rotating shaft is arranged between the rectangular extension plates and used for installing a hook 702. The whole rubber limiting shock absorption block 703 is of a cylindrical rubber structure, is arranged on a cylindrical barrel arranged at the top end of the L-shaped plate of the support frame 701, and is fixedly installed through bolts. The hook 702 is integrally a diamond-shaped plate and is arranged on a cylindrical rotating shaft at the bottom end of an L-shaped plate of the support frame 701, and an inverted trapezoidal notch is arranged on one side of the diamond-shaped plate from bottom to top. When opening the door, the spacing snubber block 703 of rubber can prevent effectively that door leaf 1 from directly colliding with the cavern wall, and after the completion was closed the door, couple 702 hung couple ring 9 and fixed this protection door or cavern door, prevent that protection door or cavern door accident from closing, improve the reliability of this protection door or cavern door.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (10)
1. A light, high-strength and corrosion-resistant tunnel protection door or a tunnel door is characterized by comprising a protection door mounting base, a door leaf (1) arranged on the protection door mounting base and an external stable structure arranged on the door leaf (1); wherein the content of the first and second substances,
the protective door mounting base is arranged at a reserved door opening of a tunnel and provides a fixed mounting foundation for the door leaf (1), and comprises a door pocket (3) and a door frame (2), wherein T-shaped flat steel parts (13) are uniformly embedded around the door pocket (3), the door pocket (3) is fixed on the outer end face of the door opening through the T-shaped flat steel parts (13), and the door frame (2) is fixedly connected with the door pocket (3);
the door leaf (1) is rotatably connected with the door frame (2) through a hinge (4) and comprises a door leaf internal component, the door leaf internal component comprises a door leaf framework (10), a door leaf internal framework (11) arranged on the door leaf framework (10) and a fireproof heat insulation board (18) arranged on the surface of the door leaf internal framework (11), the door leaf framework (10) forms an internal framework structure of the door leaf (1) and provides an internal support and an installation base for the door leaf (1) and lightens the structural dead weight of the door leaf (1), the inner side of the door leaf internal framework (11) is fixedly connected with the door leaf framework (10), and the outer side of the door leaf internal framework is fixedly connected with the fireproof heat insulation board (18) so as to enhance the structural strength of the door leaf (1);
the external stabilizing structure comprises a safety chain device (6) which is arranged on the tunnel wall on one side of the door frame (2) and is movably connected with the door leaf (1) through a chain (602) so as to prevent the door leaf (1) from falling down when being impacted.
2. The light, high-strength and corrosion-resistant tunnel protection door or cave door as claimed in claim 1, wherein the door leaf internal member comprises an upper lock rod and a lower lock rod (12) which are longitudinally arranged on one side of the interior of the door leaf (1) far away from the hinge (4), the upper lock rod and the lower lock rod (12) comprise an upper lock rod, a lower lock rod and a connecting piece, the connecting piece is an elliptical plate, two ends of the connecting piece are respectively connected with the upper lock rod and the lower lock rod, the middle of the connecting piece is connected with a rotating shaft of a hand wheel (5), and the top end of the upper lock rod and the bottom end of the lower lock rod respectively extend into circular grooves reserved above and below the door pocket (3).
3. The tunnel protection door or the tunnel door with light weight, high strength and corrosion resistance according to claim 2, characterized in that the door leaf (1) comprises a door leaf outer member which comprises a door handle (8) which is a C-shaped galvanized round bar and is arranged at the lower side of the hand wheel (5).
4. The light-weight, high-strength and corrosion-resistant tunnel protection door or cave door according to claim 1 or 3, characterized in that the door leaf external member comprises a hook ring (9) which is a C-shaped galvanized round rod and is arranged near the bottom end face of the door leaf (1) far away from the rotating shaft.
5. The tunnel protection door or the tunnel door with light weight, high strength and corrosion resistance according to claim 1, wherein the safety chain device (6) comprises a fixing base (601) and a connecting end (603), wherein the fixing base (601) is arranged on the tunnel wall through a chemical anchor bolt (14) and an expansion bolt (15), and the connecting end (603) is arranged on one side of the door leaf (1) close to the hinge (4).
6. The light weight, high strength and corrosion resistant tunnel protection door or cavern door of claim 1, characterized in that the external stabilizing structure comprises a stopper (7), the stopper (7) comprises a support frame (701), the support frame (701) comprises a lower rectangular plate and an upper bracket, the lower rectangular plate is fixed on the cavern floor by chemical anchors (14) and expansion bolts (15).
7. The light-weight, high-strength and corrosion-resistant tunnel protection door or cave door according to claim 6, characterized in that the stopper (7) comprises a rubber limit shock-absorbing block (703), and the rubber limit shock-absorbing block (703) is a cylindrical rubber structure and is arranged on the support frame (701).
8. The light-weight, high-strength and corrosion-resistant tunnel protection door or cavity door as claimed in claim 6 or 7, wherein the stopper (7) comprises a hook (702), and the hook (702) is fixedly connected with the support frame (701).
9. The light, high-strength and corrosion-resistant tunnel protection door or cavity door of claim 1 or 6, characterized in that the external stabilizing structure comprises a sealing strip groove (16) and a sealing strip (17), the sealing strip (17) is integrally of a circular ring-shaped structure and is arranged around the door leaf (1), the sealing strip groove (16) is a circular ring-shaped rubber groove and is arranged on the door frame (2), and the sealing strip groove (16) is matched with the sealing strip (17) so as to seal the door leaf (1) when the door leaf is closed.
10. The light-weight, high-strength and corrosion-resistant tunnel protection door or cavity door according to claim 1, wherein the door pocket (3) is L-shaped galvanized angle steel, and the door frame (2) is a clip structure made of galvanized steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921590414.9U CN211230097U (en) | 2019-09-24 | 2019-09-24 | Light high-strength corrosion-resistant tunnel protection door or cavern door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921590414.9U CN211230097U (en) | 2019-09-24 | 2019-09-24 | Light high-strength corrosion-resistant tunnel protection door or cavern door |
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| Publication Number | Publication Date |
|---|---|
| CN211230097U true CN211230097U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921590414.9U Active CN211230097U (en) | 2019-09-24 | 2019-09-24 | Light high-strength corrosion-resistant tunnel protection door or cavern door |
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| CN (1) | CN211230097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566104A (en) * | 2019-09-24 | 2019-12-13 | 武汉开得利门业有限公司 | Light high-strength corrosion-resistant tunnel protection door or cavern door |
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2019
- 2019-09-24 CN CN201921590414.9U patent/CN211230097U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566104A (en) * | 2019-09-24 | 2019-12-13 | 武汉开得利门业有限公司 | Light high-strength corrosion-resistant tunnel protection door or cavern door |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201020 Address after: 430063 floor 1, No. 1004, Heping Avenue, Wuchang District, Wuhan City, Hubei Province Patentee after: Wuhan kaideli door industry Co.,Ltd. Patentee after: CHINA RAILWAY DESIGN Corp. Address before: 430063 floor 1, No. 1004, Heping Avenue, Wuchang District, Wuhan City, Hubei Province Patentee before: Wuhan kaideli door industry Co.,Ltd. |