CN212563332U - Shield tunnel portal sealing device - Google Patents
Shield tunnel portal sealing device Download PDFInfo
- Publication number
- CN212563332U CN212563332U CN202021367568.4U CN202021367568U CN212563332U CN 212563332 U CN212563332 U CN 212563332U CN 202021367568 U CN202021367568 U CN 202021367568U CN 212563332 U CN212563332 U CN 212563332U
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- tunnel
- fixedly connected
- frame
- motor
- sealing device
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Abstract
The utility model belongs to the technical field of tunnel construction, in particular to a shield tunnel portal sealing device, which comprises a tunnel, wherein a frame is fixedly connected around the tunnel, a motor is fixedly connected inside the frame, a threaded column is fixedly connected on an output shaft of the motor, a threaded pipe is connected with the surface of the threaded column in a threaded manner, and a door plate is fixedly connected on the surface of the threaded pipe; the utility model discloses, through setting up the motor, the slide bar, screw thread post and screwed pipe, can carry out automatic lifting work to the door plant, thereby avoid the manpower to go up and down, reach the purpose of practicing thrift the manpower, guaranteed the stability and the accurate nature of direction of door plant at the lift in-process simultaneously under the effect of slide bar, and then improve the security performance and the practicality of this device, through setting up sealed pad, seal groove and arc cushion, can carry out double sealing to the junction in door plant and frame, tunnel, thereby improve the leakproofness of this device to the tunnel face, reach the purpose of control tunnel temperature.
Description
Technical Field
The utility model belongs to the technical field of the tunnel construction, concretely relates to shield constructs portal sealing device.
Background
With the development of economy, a shield tunnel has become a main construction method for urban underground rail transit construction and underground space development in soft soil areas in China, the shield tunnel is a tunnel underground excavation construction method adopting a shield tunneling machine to excavate, reinforced concrete segments are used as lining supports, the shield tunnel or various underground pipelines are constructed by adopting the shield method, generally, the installation, debugging and trial operation of the shield are carried out in a pre-constructed working well, the shield is accurately placed on a base which is in accordance with a design axis, after all construction preparation work is ready, the tunneling construction is started to the stratum along the design axis, when the shield reaches the terminal point, the current position of the shield is accurately measured, the posture of the shield is adjusted and controlled, the shield can correctly enter the base in the pre-constructed and installed receiving well, in the tunnel construction process, sometimes, in order to prevent foreign objects from entering the interior of the tunnel or the temperature in the tunnel needs to be controlled, need seal the shield tunnel portal, and current scheme all sets up the door plant at the entrance to a cave, then carries out the switch through the manual work, adopts this kind of mode, and troublesome poeration consumes more cost of labor, and some automatic switch's among the prior art door plant leakproofness is relatively poor simultaneously, can't reach the purpose of control tunnel temperature.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a shield constructs portal sealing device has sealed effectual and characteristics such as automatic switch.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shield constructs portal sealing device, includes the tunnel, fixedly connected with frame all around in tunnel, the inside fixedly connected with motor of frame, fixedly connected with screw thread post on the output shaft of motor, the surperficial threaded connection of screw thread post has the screwed pipe, the fixed surface of screwed pipe is connected with the door plant, the spout has been seted up to the inside of door plant, the inside sliding connection of spout has the baffle, the fixed surface of baffle is connected with the slide bar, the seal groove has been seted up to the internal surface of frame, the fixed surface of door plant is connected with sealed the pad, the trailing flank fixedly connected with arc cushion of door plant, the last fixed surface of frame is connected with the battery, the leading flank fixedly connected with switch of frame.
Preferably, the switch is electrically connected with the storage battery and the motor through conducting wires.
Preferably, the sealing gasket is slidably connected inside the sealing groove.
Preferably, the diameter of the arc-shaped cushion is larger than that of the tunnel, and the arc-shaped cushion is overlapped on the surface of the tunnel.
Preferably, the number of the sliding rods and the number of the baffle plates are two, and the sliding rods and the baffle plates are respectively arranged on the left side and the right side inside the door plate.
Preferably, one end of the sliding rod is fixedly connected to the surface of the frame, and the frame is fixedly connected to the surface of the soil layer or the rock layer where the tunnel is located.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, through setting up the motor, the slide bar, screw thread post and screwed pipe, in the application of reality, cooperation between through the aforesaid, can carry out automatic lifting work to the door plant, thereby avoid the manpower to go up and down, reach the purpose of practicing thrift the manpower, guaranteed the stability and the accurate nature of direction of door plant at the lift in-process simultaneously under the effect of slide bar, and then improve the security performance and the practicality of this device, through setting up sealed the pad, seal groove and arc cushion, in the application of reality, cooperation between through the aforesaid, can carry out double sealing to door plant and frame, the junction in tunnel, thereby improve the leakproofness of this device to the tunnel face, reach the purpose of control tunnel temperature.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a front view section of the present invention;
FIG. 2 is a rear view enlarged schematic view of the middle door panel of the present invention;
in the figure: 1. a frame; 2. a tunnel; 3. a sealing groove; 4. a door panel; 5. a gasket; 6. a chute; 7. a slide bar; 8. a storage battery; 9. a motor; 10. a threaded post; 11. a threaded pipe; 12. a baffle plate; 13. a switch; 14. an arc cushion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Examples
Referring to fig. 1-2, the present invention provides the following technical solutions: a shield tunnel portal sealing device comprises a tunnel 2, wherein a frame 1 is fixedly connected to the periphery of the tunnel 2, a motor 9 is fixedly connected to the inside of the frame 1, a threaded column 10 is fixedly connected to an output shaft of the motor 9, a threaded pipe 11 is connected to the surface of the threaded column 10 in a threaded manner, a door plate 4 is fixedly connected to the surface of the threaded pipe 11, a sliding groove 6 is formed in the door plate 4, a baffle plate 12 is slidably connected to the inside of the sliding groove 6, and by arranging the baffle plate 12, the situation that a sliding rod 7 is separated from the sliding groove 6 in practical application can be avoided, so that the device is safe to use, a sliding rod 7 is fixedly connected to the surface of the baffle plate 12, and by arranging the motor 9, the sliding rod 7, the threaded column 10 and the threaded pipe 11, in practical application, through the cooperation between the above, the door plate 4 can be automatically lifted, thereby avoid the manpower to go up and down, reach the purpose of practicing thrift the manpower, guaranteed the stability and the accurate nature of direction of door plant 4 at the lift in-process simultaneously under the effect of slide bar 7, and then improve the security performance and the practicality of this device, seal groove 3 has been seted up to the internal surface of frame 1, the fixed surface of door plant 4 is connected with sealed pad 5, the trailing flank fixedly connected with arc cushion 14 of door plant 4, the last fixed surface of frame 1 is connected with battery 8, the leading flank fixedly connected with switch 13 of frame 1 through setting up sealed pad 5, seal groove 3 and arc cushion 14, in practical application, through the cooperation between the aforesaid, can carry out double sealing to the junction of door plant 4 and frame 1, tunnel 2 to improve the leakproofness of this device to tunnel 2 mouth, reach the purpose of control tunnel 2 temperature.
Specifically, the switch 13 is electrically connected to the battery 8 and the motor 9 through wires.
Specifically, the sealing gasket 5 is slidably connected inside the sealing groove 3.
Specifically, the diameter of arc cushion 14 is greater than the diameter of tunnel 2 and the 14 overlap joints of arc cushion on the surface of tunnel 2, is greater than the diameter of tunnel 2 through the diameter that sets up arc cushion 14, in the application of reality, makes arc cushion 14 and external wall body cooperate, carries out the shutoff to tunnel 2 to reach sealed purpose.
Specifically, the number of the sliding rods 7 and the number of the baffles 12 are two and are respectively arranged on the left side and the right side inside the door panel 4.
Specifically, one end of the sliding rod 7 is fixedly connected to the surface of the frame 1, and the frame 1 is fixedly connected to the surface of the soil layer or rock layer where the tunnel 2 is located.
The utility model discloses a theory of operation and use flow: when the utility model is used, when the tunnel 2 needs to be plugged, the motor 9 is started through the switch 13, the motor 9 drives the threaded column 10 to rotate in the threaded tube 11, because the threaded tube 11 is fixedly connected with the door plate 4, and the two ends of the door plate 4 are limited and fixed by the slide bar 7, the door plate 4 can descend along with the rotation of the threaded column 10 to plug the tunnel 2, and simultaneously, under the action of the arc cushion 14, the arc cushion 14 can surround the periphery of the tunnel 2 to be matched with the external wall body to seal the tunnel 2 in one step, and simultaneously, when the door plate 4 descends to the lowest part, the sealing gasket 5 can be completely overlapped in the sealing groove 3, and under the continuous rotation of the threaded column 10, the door plate 4 extrudes the sealing gasket 5 to carry out double sealing on the tunnel 2, thereby ensuring the complete sealing performance of the tunnel 2 and achieving the purpose of controlling the temperature of the tunnel 2, finally, in the moving process of the door plate 4, the sliding rod 7 can slide in the sliding groove 6, so that the stability and the directionality of the door plate 4 in the lifting process are ensured, and the arc-shaped cushion 14 is ensured to be tightly attached to an external wall body.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a shield constructs portal sealing device, includes tunnel (2), its characterized in that: the tunnel is characterized in that a frame (1) is fixedly connected to the periphery of the tunnel (2), a motor (9) is fixedly connected to the inside of the frame (1), a threaded column (10) is fixedly connected to an output shaft of the motor (9), a threaded pipe (11) is connected to the surface of the threaded column (10) in a threaded manner, a door panel (4) is fixedly connected to the surface of the threaded pipe (11), a sliding groove (6) is formed in the door panel (4), a baffle (12) is slidably connected to the inside of the sliding groove (6), a sliding rod (7) is fixedly connected to the surface of the baffle (12), a sealing groove (3) is formed in the inner surface of the frame (1), a sealing gasket (5) is fixedly connected to the surface of the door panel (4), an arc-shaped cushion (14) is fixedly connected to the rear side face of the door panel (4), and, the front side surface of the frame (1) is fixedly connected with a switch (13).
2. The shield tunnel portal sealing device of claim 1, wherein: the switch (13) is electrically connected with the storage battery (8) and the motor (9) through leads.
3. The shield tunnel portal sealing device of claim 1, wherein: the sealing gasket (5) is connected inside the sealing groove (3) in a sliding mode.
4. The shield tunnel portal sealing device of claim 1, wherein: the diameter of the arc-shaped soft cushion (14) is larger than that of the tunnel (2), and the arc-shaped soft cushion (14) is lapped on the surface of the tunnel (2).
5. The shield tunnel portal sealing device of claim 1, wherein: the number of the sliding rods (7) and the number of the baffles (12) are two and are respectively arranged on the left side and the right side inside the door panel (4).
6. The shield tunnel portal sealing device of claim 1, wherein: one end of the sliding rod (7) is fixedly connected to the surface of the frame (1), and the frame (1) is fixedly connected to the surface of a soil layer or a rock layer where the tunnel (2) is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021367568.4U CN212563332U (en) | 2020-07-13 | 2020-07-13 | Shield tunnel portal sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021367568.4U CN212563332U (en) | 2020-07-13 | 2020-07-13 | Shield tunnel portal sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212563332U true CN212563332U (en) | 2021-02-19 |
Family
ID=74620714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021367568.4U Expired - Fee Related CN212563332U (en) | 2020-07-13 | 2020-07-13 | Shield tunnel portal sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212563332U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113241229A (en) * | 2021-06-24 | 2021-08-10 | 深圳市百洋科技有限公司 | Integrated forming device of insulating piece |
| CN114135335A (en) * | 2021-11-23 | 2022-03-04 | 盾构及掘进技术国家重点实验室 | Protective door fixing device |
-
2020
- 2020-07-13 CN CN202021367568.4U patent/CN212563332U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113241229A (en) * | 2021-06-24 | 2021-08-10 | 深圳市百洋科技有限公司 | Integrated forming device of insulating piece |
| CN114135335A (en) * | 2021-11-23 | 2022-03-04 | 盾构及掘进技术国家重点实验室 | Protective door fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 Termination date: 20210713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |