CN116792131B - Tunnel supporting device - Google Patents
Tunnel supporting device Download PDFInfo
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- CN116792131B CN116792131B CN202311064522.3A CN202311064522A CN116792131B CN 116792131 B CN116792131 B CN 116792131B CN 202311064522 A CN202311064522 A CN 202311064522A CN 116792131 B CN116792131 B CN 116792131B
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- plate
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- rubber pad
- support
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 79
- 230000003139 buffering effect Effects 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
Abstract
The application belongs to the technical field of supporting devices, and particularly relates to a tunnel supporting device which comprises a base, a supporting component and a buffering component; the base provides a mounting foundation for the support assembly; the support assembly comprises a support rod and a support plate; the support rod is arranged along the radial direction of the tunnel, and one end of the support rod is rotatably arranged on the base; the other end of the supporting rod is fixedly connected with a supporting plate; the supporting plate is an arc-shaped plate structure with radian, and the radius of the arc-shaped plate structure of the supporting plate is larger than that of the tunnel; the support rod can stretch out and draw back; the buffer assembly comprises an air bag; the air bag is arranged on the supporting plate; the gasbag sets up along the length direction of backup pad, and the gasbag sets up a plurality ofly, and a plurality of gasbags set up side by side along the width direction of backup pad. Through setting up rubber pad, lower rubber pad and gasbag in the backup pad in order to slow down the influence of the vibration impact in the work progress to the tunnel wall, improve the security of construction, avoided the support device among the prior art can not cushion the vibration of construction to the tunnel inner wall.
Description
Technical Field
The application belongs to the technical field of supporting devices, and particularly relates to a tunnel supporting device.
Background
Tunnel support devices are an important engineering facility for supporting and protecting tunnel walls during underground excavation. Tunnel-supporting devices have been widely studied and used over the past few decades. In early times of tunnel engineering, simple support structures such as wooden, steel or concrete piles were typically used to protect the tunnel walls. However, these conventional support structures have limitations such as inability to accommodate different geological conditions, lack of flexibility and plasticity, and the like. With the development of engineering technology, more advanced and efficient tunnel supporting devices, such as prestressed concrete supports, steel supports, anchor rods and the like, are beginning to be adopted. The modern supporting structures have better supporting performance, adaptability and plasticity, and can better protect the tunnel wall and ensure construction safety.
In the prior art, as disclosed in chinese patent CN115898486B, a temporary support device for an arch roadway of a highway tunnel comprises a movable seat, an electric push rod and a base, wherein the electric push rod is arranged on the outer surface of the upper end of the movable seat, one end of the electric push rod is fixedly connected with the movable seat, the other end of the electric push rod is fixedly connected with the base, a supporting frame is fixedly connected with the outer surface of the upper end of the base, a cavity is formed between the supporting frame and the base, and a motor is arranged on the outer surface of one end of the supporting frame; however, most of the supporting devices are rigid supporting, and vibration generated by the construction in the tunnel cannot be effectively buffered, so that engineering accidents are easy to be induced by vibration of the tunnel wall.
Disclosure of Invention
Based on this, it is necessary to provide a tunnel supporting device against the problem that the vibration generated in the construction of the tunnel cannot be effectively buffered, and the protection supporting effect is reduced in the prior art.
The above purpose is achieved by the following technical scheme:
a tunnel support apparatus comprising a base, a support assembly and a buffer assembly; the base provides a mounting foundation for the support assembly; the support assembly comprises a support rod and a support plate; the support rod is arranged along the radial direction of the tunnel, and one end of the support rod is rotatably arranged on the base; the other end of the supporting rod is fixedly connected with a supporting plate; the supporting plate is an arc-shaped plate structure with radian, and the radius of the arc-shaped plate structure of the supporting plate is larger than that of the tunnel; the support rod can stretch out and draw back; the buffer assembly comprises an air bag; the air bag is arranged on the supporting plate; the gasbag sets up along the length direction of backup pad, and the gasbag sets up a plurality ofly, and a plurality of gasbags set up side by side along the width direction of backup pad.
Further, the support plate is provided with two ends in the length direction, and the two ends of the support plate are a first end and a second end respectively; the direction of the tunnel from outside to inside is a first direction; the support plate has a first relative position and a second relative position relative to the inner wall of the tunnel in the rotating process, and is in the first relative position initially, the axis of the arc-shaped plate structure of the support plate is perpendicular to the axis of the tunnel, and when the support plate is in the second relative position, the axis of the arc-shaped plate structure of the support plate is parallel to the axis of the tunnel; with the support plate at the first relative position as a reference, the widths of the ends, close to the first ends, of all the air bags are sequentially increased along the first direction, and the widths of the ends, close to the second ends, of all the air bags are sequentially decreased along the first direction.
Further, the buffer assembly also comprises a lower rubber pad; the lower rubber pad is installed above the supporting plate, and the air bag is arranged on the lower rubber pad.
Further, the support assembly further comprises a mounting plate; the mounting plate is positioned between the support plate and the lower rubber pad; the mounting plate is fixedly connected to the supporting plate; t-shaped grooves are formed in the upper portion of the mounting plate, T-shaped protrusions are formed in the lower portion of the lower rubber pad, and the T-shaped protrusions are matched in the T-shaped grooves.
Further, the buffer assembly further comprises an upper rubber pad; the upper rubber pad is arranged on the lower rubber pad; the gasbag sets up between upper rubber pad and lower rubber pad.
Further, the rubber groove is jointly formed in the contact part of the upper rubber pad and the lower rubber pad, a plurality of rubber grooves are formed corresponding to the air bags, and the air bags are arranged in the rubber grooves.
Further, the upper rubber pad and the lower rubber pad are fixedly connected on the supporting plate through bolts.
Further, the supporting rod is an electric push rod or a hydraulic push rod.
Further, the base comprises a bottom plate, a fixed seat and an annular plate; the bottom plate is horizontally arranged; the annular plate is a semicircular arc plate and is fixedly connected to the bottom plate; the fixed seat is fixedly connected to the bottom plate and is positioned between the bottom plate and the annular plate; the bracing piece wears to locate on the annular plate, and the bracing piece rotates simultaneously and installs on the fixing base.
Further, a plurality of support assemblies are arranged, and the support rods are uniformly distributed on the base around the circumference of the tunnel; the buffer components are correspondingly arranged in a plurality.
The beneficial effects of the application are as follows:
1. through setting up the gasbag in the backup pad, even face different diameter tunnels also can make the abundant butt of last rubber pad support tunnel inner wall, improve the supporting effect.
2. Through setting up rubber pad, lower rubber pad and gasbag in the backup pad in order to absorb the vibration to alleviate the influence of the vibration impact to the tunnel wall in the work progress, improve the security of construction.
3. By arranging the air bags with the trapezoid horizontal sections, the device can adapt to more working conditions and the supporting effect of the device on the inner wall of the tunnel is improved.
Drawings
Fig. 1 is a schematic structural view of a tunnel supporting device according to an embodiment of the present application;
FIG. 2 is a front view of a tunnel-supporting device according to an embodiment of the present application;
FIG. 3 is a partial enlarged view at B in FIG. 2;
FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 5 is an enlarged view of a portion of FIG. 4 at C;
FIG. 6 is a top view of a tunnel-supporting device according to an embodiment of the present application;
FIG. 7 is a partial enlarged view at D in FIG. 6;
wherein:
100. a base; 110. a bottom plate; 120. a fixing seat; 130. an annular plate;
200. a support rod; 210. a support plate; 220. a mounting plate; 230. a T-shaped groove;
300. a rubber pad is arranged; 310. a lower rubber pad; 320. a rubber groove; 330. an air bag; 340. t-shaped bulges;
400. a bolt; 410. a threaded hole;
500. and (5) moving the vehicle.
Detailed Description
The present application will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present application. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The tunnel supporting device provided by the embodiment of the application is described below with reference to fig. 1 to 7.
A tunnel support apparatus includes a mobile cart 500, a base 100, a support assembly, and a buffer assembly.
The base 100 is arranged on the mobile vehicle 500, and the mobile vehicle 500 moves to drive the base 100 to move; the base 100 provides a mounting foundation for the support assembly.
The support assembly includes a support bar 200 and a support plate 210.
The support bar 200 is disposed along the radial direction of the tunnel, one end of the support bar 200 is rotatably disposed on the base 100, the base 100 can move to drive the support bar 200 to move, and the support bar 200 can rotate relative to the base 100.
A supporting plate 210 is fixedly connected to the other end of the supporting rod 200, and the supporting rod 200 rotates to drive the supporting plate 210 to rotate; the support plate 210 is an arc-shaped plate structure having an arc, the arc-shaped plate structure of the support plate 210 has a radius and an axis, and the radius of the support plate 210 is greater than the radius of the tunnel.
The supporting rod 200 can stretch out and draw back, and the supporting rod 200 stretches out and drives the supporting plate 210 to approach the inner wall direction of the tunnel.
The support rod 200 rotates to drive the support plate 210 to rotate, the support plate 210 has a first relative position and a second relative position relative to the inner wall of the tunnel in the rotating process, the axis of the arc plate structure of the support plate 210 is perpendicular to the axis of the tunnel in the first relative position initially, and the axis of the arc plate structure of the support plate 210 is parallel to the axis of the tunnel when the support plate 210 is in the second relative position. The support plate 210 is rotated by the rotation of the support bar 200 to switch the support plate 210 to the first relative position or to the second relative position.
The cushioning assembly includes an upper rubber pad 300, a lower rubber pad 310, and an airbag 330.
The lower rubber pad 310 is installed above the support plate 210, the upper rubber pad 300 is installed on the lower rubber pad 310, the moving vehicle 500 moves to drive the base 100 to move, the base 100 moves to drive the support rod 200 to move, the support rod 200 moves to drive the support plate 210 to move, and the support plate 210 moves to drive the upper rubber pad 300 and the lower rubber pad 310 to move; the support bar 200 rotates to drive the support plate 210 to rotate, and the support plate 210 rotates to drive the upper rubber pad 300 and the lower rubber pad 310 to rotate; the extension of bracing piece 200 can make upper rubber pad 300 and lower rubber pad 310 to being close to the direction of tunnel inner wall and remove, makes the top butt tunnel of upper rubber pad 300's inner wall, and when backup pad 210 rotated in order to switch to the second relative position, upper rubber pad 300 can support the inner wall of tunnel, and backup pad 210 has certain elasticity, can adapt to the radius size of tunnel and make upper rubber pad 300 push away the inner wall of tunnel.
The contact part of the upper rubber pad 300 and the lower rubber pad 310 is provided with a rubber groove 320 together, and an air bag 330 is arranged in the rubber groove 320; the support plate 210 has a width direction and a length direction, when the support plate 210 is at the first relative position, the axis of the support plate 210 is perpendicular to the axial direction of the tunnel, the length direction of the support plate 210 is parallel to the axial direction of the tunnel, the rubber grooves 320 are arranged along the length direction of the support plate 210, the plurality of rubber grooves 320 are arranged along the width direction of the support plate 210, and the plurality of air bags 330 are correspondingly arranged; when the support rod 200 extends to enable the upper rubber pad 300 to be abutted against the inner wall of the tunnel, the support plate 210 rotates to switch from the first relative position to the second relative position, two ends of the upper rubber pad 300 above the air bag 330 are respectively abutted against the inner wall of the tunnel, one end of the upper rubber pad 300 is abutted against the inner wall of the tunnel and then presses the air bag 330 at the corresponding end, the air bag 330 is firstly pressed by one end to convey air at the end to the other end which is not pressed by the inner wall of the tunnel, the other end of the air bag 330 is expanded to be larger, the corresponding end of the upper rubber pad 300 is abutted against the inner wall of the tunnel in advance, and then the two ends of the upper rubber pad 300 are contacted with the inner wall of the tunnel, so that the support effect is improved. By arranging the upper rubber pad 300 and the lower rubber pad 310 on the supporting plate 210 to slow down the influence of vibration impact in the construction process on the tunnel wall, the construction safety is improved, and the problem that the supporting device in the prior art cannot buffer the vibration of the construction on the tunnel inner wall is avoided.
The support plate 210 has two ends in the length direction, the two ends of the support plate 210 are a first end and a second end, and in the first relative position, the first end of the support plate 210 is closer to the tunnel portal than the second end; the direction of the tunnel from outside to inside is a first direction; with reference to the support plate 210 being located in the second relative position, the width of one end of all the air bags 330 near the first end increases in the first direction, and the width of one end of all the air bags 330 near the second end decreases in the first direction; it will be appreciated that the relative position of the bladder 330 to the support plate 210 is unchanged after the support plate 210 is switched to the first relative position. In the process of rotating the support plate 210 to switch from the first relative position to the second relative position, the minimum width of the air bag 330 is pressed by the tunnel side wall at the first end, the maximum width of the air bag 330 is pressed by the tunnel side wall at the second end, and the air bag 330 at the second end is similar.
The width at gasbag 330 both ends is different, the both ends of gasbag 330 are little width end and big width end respectively, the width of gasbag 330 little width end is less than the width of gasbag 330 big width end, in the use, the in-process that backup pad 210 was switched over from first relative position to the second relative position, the little width end of gasbag 330 receives tunnel inner wall extrusion earlier than the big width end of gasbag 330, the little width end of gasbag 330 receives the extrusion earlier and can extrude the gas in the little width end of gasbag 330 into big width end, make the big width end expansion of gasbag 330, the cross-section of gasbag 330 on the horizontal plane is trapezoidal, so along with backup pad 210 gradually switch over from first relative position to the second relative position, the rate that the gas of the little width end of gasbag 330 was carried to big width end can gradually increase, in order to guarantee the area of contact of upper rubber pad 300 and tunnel inner wall.
The larger the diameter of the tunnel is, the larger the time difference that one end of the corresponding upper rubber pad 300 at the large width end of the air bag 330 contacts the inner wall of the tunnel is compared with the time difference that the corresponding upper rubber pad 300 at the small width end of the air bag 330 contacts the inner wall of the tunnel is, namely, the more the gas volume is conveyed to the large width end by the gas at the small width end of the air bag 330, the more the corresponding upper rubber pad 300 at the large width end of the air bag 330 expands, so that the corresponding upper rubber pad 300 at the large width end of the air bag 330 is abutted against the inner wall of the tunnel in advance, the time difference that the two ends of the upper rubber pad 300 are abutted against the inner wall of the tunnel is reduced to a certain extent, the contact area between the upper rubber pad 300 and the inner wall of the tunnel is improved, and the supporting effect of the upper rubber pad 300 on the inner wall of the tunnel is improved; the smaller the diameter of the tunnel, the smaller the time difference that the corresponding upper rubber pad 300 at the large width end of the air bag 330 contacts the inner wall of the tunnel is compared with the corresponding upper rubber pad 300 at the small width end of the air bag 330, namely, the smaller the volume of the air conveyed to the large width end by the air at the small width end of the air bag 330 is, the lower the expansion degree of the corresponding upper rubber pad 300 at the large width end of the air bag 330 is, so that the upper rubber pad 300 is suitable for the tunnel with the small diameter, and the device is suitable for more working conditions.
Preferably, the support plate 210 is i-steel to improve the support capability of the support plate 210.
The support assembly also includes a mounting plate 220; mounting plate 220 is positioned between support plate 210 and lower rubber pad 310; mounting plate 220 is fixedly connected to support plate 210; t-shaped groove 230 is formed above mounting plate 220, T-shaped protrusion 340 is formed below lower rubber pad 310, and T-shaped protrusion 340 is fitted in T-shaped groove 230. By providing the T-shaped groove 230 on the mounting plate 220, the T-shaped protrusion 340 is provided on the lower rubber pad 310 to facilitate the installation and replacement of the lower rubber pad 310.
Mounting plate 220 is welded to support plate 210.
The upper rubber pad 300 and the lower rubber pad 310 are fixedly coupled to the support plate 210 by bolts 400.
Screw holes 410 are formed through the upper rubber pad 300, the lower rubber pad 310, the mounting plate 220 and the support plate 210, and bolts 400 are inserted through the screw holes 410 to fix the upper rubber pad 300 and the lower rubber pad 310 with respect to the support plate 210.
The support bar 200 is an electric push rod or a hydraulic push rod. The support rod 200 can be lengthened or shortened, the support rod 200 is lengthened to drive the support plate 210 to move towards the direction close to the inner wall of the tunnel, and the support rod 200 is shortened to drive the support plate 210 to move towards the direction far away from the inner wall of the tunnel.
The base 100 includes a base plate 110, a fixing base 120, and an annular plate 130.
The bottom plate 110 is horizontally fixedly connected to the moving vehicle 500.
The annular plate 130 is a semicircular arc plate, and the annular plate 130 is fixedly connected to the bottom plate 110.
The fixed seat 120 is fixedly connected to the bottom plate 110 and is located between the bottom plate 110 and the annular plate 130.
The supporting rod 200 is installed on the annular plate 130 in a penetrating manner, and the supporting rod 200 is installed on the fixing base 120 in a rotating manner.
The support assembly further comprises a driving motor, the driving motor is fixedly connected to the fixed seat 120, a gear is fixedly connected to the output end of the driving motor, a gear ring is fixedly connected to the outer peripheral surface of the lower end of the support rod 200, the gear ring is meshed with the gear on the output end of the driving motor, the driving motor rotates to drive the gear ring to rotate, the gear ring rotates to drive the support rod 200 to rotate relative to the fixed seat 120 and the annular plate 130, and the support plate 210 rotates to be switched to the first relative position or the second relative position.
The moving vehicle 500 moves along the first direction to drive the bottom plate 110 to move along the first direction, the bottom plate 110 moves along the first direction to drive the annular plate 130 and the fixed seat 120 to move along the first direction, and the fixed seat 120 and the annular plate 130 move along the first direction to drive the supporting rod 200 to move along the first direction.
The support assembly is provided in plurality and the support rods 200 of the support assembly are uniformly distributed on the base 100 around the circumference of the tunnel; the buffer components are correspondingly arranged in a plurality.
Preferably, the support assemblies are arranged in five, the support rods 200 of the five support assemblies are uniformly distributed at intervals of 45 degrees, wherein the support rods 200 on two sides are horizontally arranged, and the support rods 200 in the middle are vertically arranged.
For ease of understanding, the following describes in detail the use of the device of the application.
Driving the mobile vehicle 500 into the tunnel from outside the tunnel and parking the mobile vehicle at a position to be constructed; initially, the support plate 210 is located at a first relative position, and the horizontal length direction of the support plate 210 is parallel to the axial direction of the tunnel; the support bar 200 is extended to enable the middle position of the upper rubber pad 300 to be abutted against the inner wall of the tunnel; the driving motor rotates to drive the supporting rod 200 to rotate, the supporting rod 200 rotates to drive the supporting plate 210 to rotate, and the supporting plate 210 rotates and is switched to a second relative position, so that the upper rubber pad 300 pushes and supports the inner wall of the tunnel.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (9)
1. A tunnel supporting device, characterized in that it comprises a base (100), a supporting component and a buffering component;
the base (100) provides a mounting foundation for the support assembly;
the support assembly comprises a support rod (200) and a support plate (210);
the support rods (200) are arranged along the radial direction of the tunnel, and one ends of the support rods (200) are rotatably arranged on the base (100);
the other end of the supporting rod (200) is fixedly connected with a supporting plate (210); the supporting plate (210) is of an arc-shaped plate structure with radian, and the radius of the arc-shaped plate structure of the supporting plate (210) is larger than that of the tunnel;
the supporting rod (200) can stretch and retract;
the cushioning assembly includes an airbag (330); the air bag (330) is arranged on the supporting plate (210);
the air bags (330) are arranged along the length direction of the supporting plate (210), a plurality of air bags (330) are arranged, and a plurality of air bags (330) are arranged side by side along the width direction of the supporting plate (210);
the support plate (210) is provided with two ends in the length direction, and the two ends of the support plate (210) are respectively a first end and a second end; the direction of the tunnel from outside to inside is a first direction;
the supporting plate (210) has a first relative position and a second relative position relative to the inner wall of the tunnel in the rotating process, the axis of the arc-shaped plate structure of the supporting plate (210) is perpendicular to the axis of the tunnel in the first relative position initially, and the axis of the arc-shaped plate structure of the supporting plate (210) is parallel to the axis of the tunnel when the supporting plate (210) is in the second relative position;
with reference to the support plate (210) being located at the second relative position, one ends of all the air bags (330) close to the first end are sequentially increased in width along the first direction, and one ends of all the air bags (330) close to the second end are sequentially decreased in width along the first direction.
2. The tunnel support apparatus of claim 1 wherein the cushioning assembly further comprises a lower rubber pad (310);
the lower rubber pad (310) is installed above the supporting plate (210), and the air bag (330) is arranged on the lower rubber pad (310).
3. The tunnel support apparatus of claim 2 wherein the support assembly further comprises a mounting plate (220);
the mounting plate (220) is positioned between the support plate (210) and the lower rubber pad (310);
the mounting plate (220) is fixedly connected to the support plate (210);
t-shaped grooves (230) are formed in the upper portion of the mounting plate (220), T-shaped protrusions (340) are formed in the lower portion of the lower rubber pad (310), and the T-shaped protrusions (340) are matched in the T-shaped grooves (230).
4. A tunnel supporting device according to claim 3, wherein the cushioning assembly further comprises an upper rubber pad (300);
the upper rubber pad (300) is arranged on the lower rubber pad (310);
the air bag (330) is disposed between the upper rubber pad (300) and the lower rubber pad (310).
5. The tunnel supporting device according to claim 4, wherein the contact portions of the upper rubber pad (300) and the lower rubber pad (310) are provided with a plurality of rubber grooves (320), the rubber grooves (320) are provided corresponding to the air bags (330), and the air bags (330) are provided in the rubber grooves (320).
6. The tunnel supporting device according to claim 5, wherein the upper rubber pad (300) and the lower rubber pad (310) are fixedly connected to the supporting plate (210) by bolts (400).
7. The tunnel supporting device according to claim 1, wherein the supporting bar (200) is an electric push bar or a hydraulic push bar.
8. The tunnel support apparatus according to claim 7, wherein the base (100) comprises a bottom plate (110), a fixing base (120), and an annular plate (130);
the bottom plate (110) is horizontally arranged;
the annular plate (130) is a semicircular arc plate, and the annular plate (130) is fixedly connected to the bottom plate (110);
the fixed seat (120) is fixedly connected to the bottom plate (110) and is positioned between the bottom plate (110) and the annular plate (130);
the supporting rod (200) is arranged on the annular plate (130) in a penetrating mode, and meanwhile the supporting rod (200) is rotatably arranged on the fixing seat (120).
9. Tunnel supporting device according to claim 1, characterized in that the supporting assembly is provided in plurality and the supporting rods (200) are evenly distributed on the base (100) around the circumference of the tunnel; the buffer components are correspondingly arranged in a plurality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311064522.3A CN116792131B (en) | 2023-08-23 | 2023-08-23 | Tunnel supporting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311064522.3A CN116792131B (en) | 2023-08-23 | 2023-08-23 | Tunnel supporting device |
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| CN116792131A CN116792131A (en) | 2023-09-22 |
| CN116792131B true CN116792131B (en) | 2023-10-20 |
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| CN202311064522.3A Active CN116792131B (en) | 2023-08-23 | 2023-08-23 | Tunnel supporting device |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0771196A (en) * | 1993-09-01 | 1995-03-14 | Kajima Corp | Form device for tunnel lining |
| CN206845193U (en) * | 2017-06-12 | 2018-01-05 | 中国铁道科学研究院铁道建筑研究所 | Maintenance trolley |
| CN110067576A (en) * | 2019-05-05 | 2019-07-30 | 李帅 | A kind of extruded swelling rock road tunnel suspension device |
| JP2019190101A (en) * | 2018-04-24 | 2019-10-31 | 株式会社東宏 | Device and method for laying waterproof sheet |
| CN111828061A (en) * | 2020-08-31 | 2020-10-27 | 赵光存 | Temporary reinforcing and supporting device for coal mine tunnel in coal mining excavation |
| CN212054740U (en) * | 2020-05-12 | 2020-12-01 | 中铁建大桥工程局集团第五工程有限公司 | Loess tunnel construction auxiliary device |
| CN112523787A (en) * | 2020-11-04 | 2021-03-19 | 华南理工大学 | Mobile shield tunnel temporary reinforcing platform |
| CN113482678A (en) * | 2021-06-29 | 2021-10-08 | 山西潞安矿业集团慈林山煤业有限公司李村煤矿 | Flexible roof-contacting temporary supporting device and using method thereof |
| CN115680730A (en) * | 2022-10-08 | 2023-02-03 | 中国水利水电第六工程局有限公司 | Supporting device for tunnel construction |
| CN115898451A (en) * | 2022-11-16 | 2023-04-04 | 重庆交通大学 | Tunnel is aerifyd shock attenuation lining cutting structure |
| CN115898486A (en) * | 2023-01-05 | 2023-04-04 | 山西诚达公路勘察设计有限公司 | Temporary supporting device for arch-shaped roadway of highway tunnel |
-
2023
- 2023-08-23 CN CN202311064522.3A patent/CN116792131B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0771196A (en) * | 1993-09-01 | 1995-03-14 | Kajima Corp | Form device for tunnel lining |
| CN206845193U (en) * | 2017-06-12 | 2018-01-05 | 中国铁道科学研究院铁道建筑研究所 | Maintenance trolley |
| JP2019190101A (en) * | 2018-04-24 | 2019-10-31 | 株式会社東宏 | Device and method for laying waterproof sheet |
| CN110067576A (en) * | 2019-05-05 | 2019-07-30 | 李帅 | A kind of extruded swelling rock road tunnel suspension device |
| CN212054740U (en) * | 2020-05-12 | 2020-12-01 | 中铁建大桥工程局集团第五工程有限公司 | Loess tunnel construction auxiliary device |
| CN111828061A (en) * | 2020-08-31 | 2020-10-27 | 赵光存 | Temporary reinforcing and supporting device for coal mine tunnel in coal mining excavation |
| CN112523787A (en) * | 2020-11-04 | 2021-03-19 | 华南理工大学 | Mobile shield tunnel temporary reinforcing platform |
| CN113482678A (en) * | 2021-06-29 | 2021-10-08 | 山西潞安矿业集团慈林山煤业有限公司李村煤矿 | Flexible roof-contacting temporary supporting device and using method thereof |
| CN115680730A (en) * | 2022-10-08 | 2023-02-03 | 中国水利水电第六工程局有限公司 | Supporting device for tunnel construction |
| CN115898451A (en) * | 2022-11-16 | 2023-04-04 | 重庆交通大学 | Tunnel is aerifyd shock attenuation lining cutting structure |
| CN115898486A (en) * | 2023-01-05 | 2023-04-04 | 山西诚达公路勘察设计有限公司 | Temporary supporting device for arch-shaped roadway of highway tunnel |
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