CN212130552U - Shield tunnel safety plugging device - Google Patents
Shield tunnel safety plugging device Download PDFInfo
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- CN212130552U CN212130552U CN202020734655.2U CN202020734655U CN212130552U CN 212130552 U CN212130552 U CN 212130552U CN 202020734655 U CN202020734655 U CN 202020734655U CN 212130552 U CN212130552 U CN 212130552U
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- door plate
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- shield tunnel
- lower door
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Abstract
The utility model discloses a shield tunnel safety plugging device, including emergency exit, opening and shutting device and control system, the emergency exit is circular, including semicircular upper door plant and lower door plant, the opening and shutting device is established in emergency exit centre of a circle position, including telescoping device, rotary device and connecting rod, the telescoping device is established perpendicularly on the emergency exit centre of a circle, its stiff end fixed connection is on the upper door plant, the inner circle fixed connection of telescoping end and rotary device, the inner fixed connection of connecting rod is at the lower door plant, the outer end and rotary device outer lane fixed connection, and through control system control; the safety door is provided with an opened state and a folded state and an opened state. The utility model discloses when taking place to gush sand and gush water accident in shield tunnel, gush water and carry out the shutoff and then in time rush to repair through setting up safe plugging device to gushing sand, avoid causing secondary calamity, have the transportation take one's place and expand the advantage that the installation is timely, guarantee the ageing of speedily carrying out rescue work, ensure the safety of construction operation personnel, shield tunnel and mechanical equipment.
Description
Technical Field
The utility model relates to a shield constructs quick-witted construction technical field, concretely relates to shield tunnel safety plugging device.
Background
In the shield method construction process, when the unfavorable engineering geological conditions such as a water-rich sand layer, a fracture zone, a broken zone and the like are met, water gushing and sand gushing accidents are easy to occur, and if the water gushing and sand gushing accidents are not timely processed, even the formed tunnel can be submerged, so that the huge loss of personnel and equipment is caused.
In the tunnel construction process at present, when running into gushing and great leaking, still often adopt artificial measures such as sand bag pile wall, concrete filling at present, this kind of measure response time is longer, and the secondary disaster still can be produced to the improper handling under emergency. The utility model provides a shield tunnel safety plugging device overcomes above-mentioned defect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shield tunnel safety plugging device carries out timely shutoff for shield tunnel takes place to gush water and rush to operate in speedily carrying out rescue work when accidents such as sand are gushed, prevents that the soil body from collapsing the accident and further expanding, guarantees forming tunnel, mechanical equipment and construction operation personnel safety, avoids the loss further to enlarge.
The utility model provides a technical scheme that above-mentioned technical problem adopted is:
a shield tunnel safety plugging device comprises a safety door, an opening and closing device and a control system, wherein the safety door is circular and comprises an upper door plate and a lower door plate, the upper door plate and the lower door plate are semicircular and are vertically spliced to form the safety door, the opening and closing device is arranged at the circle center of the safety door, is respectively connected with the upper door plate and the lower door plate and is controlled by the control system arranged outside;
the circle center positions of the upper door plate and the lower door plate are respectively provided with a semicircular groove, the opening and closing device comprises a telescopic device, a rotating device and a connecting rod, the telescopic device is vertically arranged on the circle center of the safety door, the fixed end of the telescopic device is fixedly connected in the groove of the upper door plate, the telescopic end of the telescopic device is fixedly connected with the inner ring of the rotating device, the inner end of the connecting rod is fixedly connected on the lower door plate, and the outer end of the connecting rod is fixedly connected with the outer ring of the rotating device;
the safety door is provided with an opening state and a folding state, the telescopic device retracts in the opening state, and the upper door plate and the lower door plate are aligned up and down to be spliced into the circular safety door; under fold condition the telescoping device stretches out, the lower door plant is upwards rotated through rotary device, aligns with the upper door plant front and back.
Further, the front surfaces of the upper door plate and the lower door plate are provided with a protective plate and a rib plate which are vertical to the plate surface, the protective plate is arranged at the edge of the upper door plate and the edge of the lower door plate, the rib plate is located in the protective plate range and comprises a transverse rib plate, a vertical rib plate and an inclined rib plate, and the back surfaces of the upper door plate and the lower door plate are smooth surfaces.
Furthermore, a hoisting hole is formed in the top end of the vertical rib plate of the upper door plate, and a hoisting device is arranged in the hoisting hole.
Further, the middle parts of the upper door plate and the lower door plate are provided with mounting through holes, the mounting through holes are arranged in a bilateral symmetry mode, and ball valves are arranged in the mounting through holes.
Further, the bottom of door plant is equipped with the groove of stepping down, the groove of stepping down sets up two, and bilateral symmetry establishes door plant bottom edge down.
Furthermore, the horizontal guard plates on the upper door plate and the lower door plate are provided with corresponding through holes, and bolts are arranged in the through holes.
Furthermore, a supporting steel frame is arranged on the front face of the safety door.
Furthermore, the telescopic device is a hydraulic jack, the rotating device is a bearing, the control system comprises a power device and a control device, the power device drives the bearing to rotate, and the control device controls the telescopic device to stretch and the rotating device to rotate.
Preferably, the upper door plate, the lower door plate, the guard plate and the rib plate are all steel plates and are connected through welding.
The utility model discloses beneficial effect as follows:
when a sand gushing and water gushing accident occurs in the shield tunnel, the sand gushing and water gushing are blocked by arranging the safety blocking device so as to carry out timely emergency rescue, secondary disasters are avoided, the safety blocking device has the advantages of being transported in place, unfolded and installed timely, the emergency rescue effect is ensured, and the safety of construction operators, the shield tunnel and mechanical equipment is ensured; have novel simple structure, characteristics that occupation space is little, it is convenient to transport in time and convenient the expansion, promotes the efficiency of speedily carrying out rescue work, guarantees construction safety.
Drawings
Fig. 1 is a front view of the open state of the present invention;
fig. 2 is a side view of the open state of the present invention;
FIG. 3 is a side view of the retractable device of the present invention in an extended state;
fig. 4 is a front view of the present invention in a folded state;
fig. 5 is a side view of the present invention in a folded state.
Reference numerals: 1-an opening and closing device, 11-a telescopic device, 12-a rotating device, 13-a connecting rod, 2-an upper door plate and 3-a lower door plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
As shown in fig. 1, 2, 4 and 5, the shield tunnel safety plugging device comprises a safety door, an opening and closing device 1 and a control system, wherein the safety door is circular and comprises an upper door plate 2 and a lower door plate 3, the upper door plate 2 and the lower door plate 3 are both semicircular and are spliced up and down to form the safety door, the opening and closing device 1 is arranged at the circle center of the safety door, is respectively connected with the upper door plate 2 and the lower door plate 3 and is controlled by the control system arranged outside;
as shown in fig. 1 and 4, the circle center positions of the upper door panel 2 and the lower door panel 3 are both provided with semicircular grooves, the opening and closing device 1 comprises a telescopic device 11, a rotating device 12 and a connecting rod 13, the telescopic device 11 is vertically arranged on the circle center of the safety door, the fixed end of the telescopic device is fixedly connected in the groove of the upper door panel 2, the telescopic end of the telescopic device is fixedly connected with the inner ring of the rotating device 12, the inner end of the connecting rod 13 is fixedly connected to the lower door panel 3, and the outer end of the connecting rod is fixedly connected with the outer ring of the rotating device.
The structural principle of the opening and closing device 1 is as follows: the inner circle outer lane of rotary device 12 can rotate relatively, inner circle and the telescoping device 11 fixed connection on last door plant 2, outer lane and the connecting rod 13 fixed on door plant 3 down fixed connection, the relative inner circle of outer lane rotates, drives down door plant 3 and rotates, makes it rotate 180 and is fold condition to it around last door plant 2. The fixed end and the telescopic end of the telescopic device 11 can only relatively stretch out and draw back and cannot relatively rotate, the telescopic end retracts to enable the upper door plate 2 and the lower door plate 3 to be aligned up and down, and the lower door plate 3 moves backwards to a position without interference with the upper door plate 2 when extending out. The connecting rod 13 fixed on the lower door panel 3 is fixedly connected with the outer ring, so that the lower door panel 3 and the outer ring move together.
As shown in fig. 2 and 5, the safety door is provided with an opening state and a folding state, wherein the telescopic device 11 retracts in the opening state, and the upper door plate 2 and the lower door plate 3 are aligned up and down to be spliced into a circular safety door; in the folded state, the extension device 11 is extended, and the lower door panel 3 is rotated upward by the rotating device 12 to be aligned with the upper door panel 2 in the front-rear direction.
Like in fig. 2, 3, 5 by open mode to fold condition time, telescoping device 11 is in the state of retracting, opens earlier the fixing bolt between last door plant 2 and the lower door plant 3 and takes off, then flexible end stretches out, drives down door plant 3 rearward movement to suitable position, then the outer lane of rotary device 12 is rotatory, drives down door plant 3 through connecting rod 13 and upwards rotates to align around with last door plant 2, is in fold condition.
Further, the connecting rods 13 are L-shaped rods, the inner ends of the two connecting rods are fixed on the front surface of the lower door panel 3, and the outer ends of the two connecting rods are fixed on the outer surface of the outer ring of the rotating device 12.
When the emergence gushing sand gushing water accident in the shield tunnel, will the utility model discloses establish in the tunnel, with the smooth surface towards the shield machine side, gush sand promptly and gush water the direction and carry out the shutoff to it, avoid gushing sand and gush water further stretching, guarantee the ageing of the operation of speedily carrying out rescue work, it is stable firm to support to can carry out real-time observation's effect, effectively guarantee construction safety.
As shown in fig. 1 and 4, further, the front surfaces of the upper door panel 2 and the lower door panel 3 are both provided with a guard plate and a rib plate which are vertical to the panel surface, the guard plate is arranged at the edge of the upper door panel 2 and the lower door panel 3, the rib plate is located in the guard plate range and comprises a cross rib plate, a vertical rib plate and an inclined rib plate, and the back surfaces of the upper door panel 2 and the lower door panel 3 are smooth surfaces. The guard plates and the ribbed plates are arranged to reinforce the structural strength, so that a strong supporting effect is provided, and positions are provided for structural connection. The smooth surface is as the contact surface with gushing sand gushing water, has the adhesion of avoiding, the clear advantage of being convenient for to effectively prevent the seepage.
As shown in fig. 2, further, a hoisting hole is formed at the top end of the vertical rib plate of the upper door panel 2, and a hoisting device is arranged in the hoisting hole. The safety door is lifted by the lifting device and is connected with the shield segment.
Preferably, the hoisting device is a 5t hoisting hoist.
As shown in fig. 1, further, mounting through holes are formed in the middle of the upper door panel 2 and the lower door panel 3, the mounting through holes are arranged in a bilateral symmetry manner, and ball valves are arranged in the mounting through holes. The ball valve is arranged in the mounting through hole and used as an observation hole or a grouting hole, so that an operator can conveniently observe dangerous situations in real time.
As shown in fig. 1, further, the bottom of the lower door panel 3 is provided with two abdicating grooves, and the left and right symmetry is arranged at the bottom edge of the lower door panel 3. The abdicating groove is used for abdicating the running track of the battery car.
Furthermore, the horizontal guard plates on the upper door panel 2 and the lower door panel 3 are provided with corresponding through holes, and bolts are arranged in the through holes. The through holes are uniformly arranged on the horizontal guard plate at intervals. When the open mode, go up door plant 2 and lower door plant 3 and align from top to bottom and form circular safety door after, use the bolt to fix, guarantee that door plant 2 and lower door plant 3 are fixed firm.
Furthermore, a supporting steel frame is arranged on the front face of the safety door. The support steelframe is established at the emergency exit openly, supports it, prevents to gush sand gushing water and pushes down the emergency exit.
Furthermore, the telescopic device 11 is a hydraulic jack, the rotating device 12 is a bearing, the control system comprises a power device and a control device, the power device drives the bearing to rotate, and the control device controls the telescopic device 11 to be telescopic and the rotating device 12 to rotate.
Preferably, the upper door panel 2, the lower door panel 3, the guard plate and the rib plate are all steel plates and are connected through welding.
As shown in fig. 2, 3 and 5, the utility model has the following using method:
firstly, an assembling device is used for prefabricating the size of the safety plugging device according to the size of the shield tunnel, then assembling is carried out, and the safety plugging device is in a folded state after the assembling is finished;
secondly, transporting the safety plugging device in place, and transporting the safety plugging device in a folded state to the tail part of a matched trolley behind the shield tunneling machine by using a storage battery car in time when a sand gushing and water gushing accident occurs in the shield tunneling machine;
hoisting in place, hoisting the safety plugging device by using a hoisting device, fixing the top end of the safety plugging device at the top of the shield tunnel, and tightly contacting the top end of the safety plugging device with the duct piece;
opening the device, starting the control system, controlling the rotating device 12 to rotate, and rotating the lower door panel 3 by 180 degrees to the lower side;
fifthly, the safety door is spliced, the telescopic device 11 is controlled to retract, the lower door plate 3 is driven to move towards the shield machine side until the upper door plate 2 is aligned up and down, and then bolts penetrate through the horizontal guard plates of the upper door plate 2 and the lower door plate 3 to fixedly connect the upper door plate and the lower door plate;
sixthly, supporting is carried out, wherein a supporting steel frame is arranged on the front face of the safety door and is fixedly connected with the rib plate, so that the safety door is prevented from falling backwards, namely away from the direction of the shield tunneling machine;
and seventhly, performing emergency operation after the emergency door is erected.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a shield tunnel safety plugging device which characterized by: the safety door is circular and comprises an upper door plate (2) and a lower door plate (3), wherein the upper door plate (2) and the lower door plate (3) are semicircular and are spliced up and down to form the safety door, and the opening and closing device (1) is arranged at the circle center position of the safety door, is respectively connected with the upper door plate (2) and the lower door plate (3) and is controlled by a control system arranged outside;
the circle center positions of the upper door plate (2) and the lower door plate (3) are respectively provided with a semicircular groove, the opening and closing device (1) comprises a telescopic device (11), a rotating device (12) and a connecting rod (13), the telescopic device (11) is vertically arranged on the circle center of the safety door, the fixed end of the telescopic device is fixedly connected in the groove of the upper door plate (2), the telescopic end of the telescopic device is fixedly connected with the inner ring of the rotating device (12), the inner end of the connecting rod (13) is fixedly connected on the lower door plate (3), and the outer end of the connecting rod is fixedly connected with the outer ring of the rotating device (12);
the safety door is provided with an opening state and a folding state, the telescopic device (11) retracts in the opening state, and the upper door plate (2) and the lower door plate (3) are aligned up and down to be spliced into a circular safety door; under folding condition, the telescopic device (11) extends out, and the lower door panel (3) upwards rotates through the rotating device (12) and is aligned with the upper door panel (2) front and back.
2. The shield tunnel safety plugging device of claim 1, wherein: the door is characterized in that the front surfaces of the upper door plate (2) and the lower door plate (3) are provided with a protective plate and a rib plate which are vertical to the plate surface, the protective plate is arranged at the edge of the upper door plate (2) and the edge of the lower door plate (3), the rib plate is located in the protective plate range and comprises a transverse rib plate, a vertical rib plate and an inclined rib plate, and the back surfaces of the upper door plate (2) and the lower door plate (3) are smooth surfaces.
3. The shield tunnel safety plugging device of claim 2, wherein: and hoisting holes are formed in the top ends of the vertical rib plates of the upper door plate (2), and hoisting devices are arranged in the hoisting holes.
4. The shield tunnel safety plugging device of claim 1, wherein: the middle parts of the upper door plate (2) and the lower door plate (3) are provided with mounting through holes, the mounting through holes are arranged in a bilateral symmetry mode, and ball valves are arranged in the mounting through holes.
5. The shield tunnel safety plugging device of claim 1, wherein: the bottom of lower door plant (3) is equipped with the groove of stepping down, the groove of stepping down sets up two, and bilateral symmetry establishes door plant (3) bottom edge down.
6. The shield tunnel safety plugging device of claim 2, wherein: the upper door plate (2) and the lower door plate (3) are horizontally provided with corresponding through holes, and bolts are arranged in the through holes.
7. The shield tunnel safety plugging device of claim 1, wherein: and a supporting steel frame is arranged on the front side of the safety door.
8. The shield tunnel safety plugging device of claim 1, wherein: the telescopic device (11) is a hydraulic jack, the rotating device (12) is a bearing, the control system comprises a power device and a control device, the power device drives the bearing to rotate, and the control device controls the telescopic device (11) to be telescopic and the rotating device (12) to rotate.
9. The shield tunnel safety plugging device of claim 1, wherein: the upper door plate (2), the lower door plate (3), the guard plate and the rib plate are all steel plates and are connected through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020734655.2U CN212130552U (en) | 2020-05-07 | 2020-05-07 | Shield tunnel safety plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020734655.2U CN212130552U (en) | 2020-05-07 | 2020-05-07 | Shield tunnel safety plugging device |
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| Publication Number | Publication Date |
|---|---|
| CN212130552U true CN212130552U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020734655.2U Active CN212130552U (en) | 2020-05-07 | 2020-05-07 | Shield tunnel safety plugging device |
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| CN (1) | CN212130552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977487A (en) * | 2021-05-17 | 2021-06-18 | 西南交通大学 | Single-pipe double-line magnetic suspension traffic vacuum pipeline with sealing door |
-
2020
- 2020-05-07 CN CN202020734655.2U patent/CN212130552U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977487A (en) * | 2021-05-17 | 2021-06-18 | 西南交通大学 | Single-pipe double-line magnetic suspension traffic vacuum pipeline with sealing door |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Dianshao Inventor after: Shi Haizhu Inventor after: Cheng Zhongcheng Inventor after: Liu Xin Inventor after: Sun Jian Inventor after: Jiao Fu Chao Inventor before: Zhang Dianshao Inventor before: Shi Haizhu Inventor before: Cheng Zhongcheng Inventor before: Liu Xin |