CN114235952A

CN114235952A - Tunnel detection device

Info

Publication number: CN114235952A
Application number: CN202111524242.7A
Authority: CN
Inventors: 曲宝军; 王璞; 卫义鹏; 行平义; 唐文喜; 李明; 谢彬彬
Original assignee: China Railway No17 Bureau Group Fourth Engineering Co ltd; Chongqing Jiaotong University
Current assignee: China Railway No17 Bureau Group Fourth Engineering Co ltd; Chongqing Jiaotong University
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-03-25

Abstract

The invention discloses a tunnel detection device which comprises a fixing mechanism for fixing the whole device on the front side of a vehicle, a lifting mechanism for adjusting the height of the whole device from the ground, an ultrasonic flaw detector and a camera, wherein the fixing mechanism is positioned behind the lifting mechanism, and the ultrasonic flaw detector and the camera are both positioned above the lifting mechanism. According to the invention, the driving motor drives the gear and the conical gear to be in meshing transmission through the driving shaft at the front side, the rear side gear and the driving shaft are driven to rotate in opposite directions through the transmission of the two conical gears, so that the two driving shafts are driven to drive the two swing arms to swing in opposite directions, the detection efficiency is further improved, the upper ends of the swing arms are supported by the arc-shaped frame, and meanwhile, the upper ends of the swing arms are buffered by the buffer plates and the buffer springs at the two sides of the arc-shaped frame, so that the side wall of the arched tunnel can be rapidly detected.

Description

Tunnel detection device

Technical Field

The invention relates to the field of tunnel detection, in particular to a tunnel detection device.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel, and the structure of the tunnel comprises a main building and an auxiliary device. The main part building comprises body and portal, the accessory equipment is including keeping away the car hole, the fire control facility, emergent communication and waterproof drainage facility, long tunnel still has special ventilation and lighting apparatus, the tunnel is after the construction, need utilize detection device to detect its inner wall, current tunnel detects the installation that generally all needs artifical fixed point equipment and detects, this kind of detection efficiency is lower and artifical intensity of labour is great, need frequent installation dismantlement equipment simultaneously, it is more loaded down with trivial details serious influence tunnel detection speed obviously.

Disclosure of Invention

The present invention is directed to solving the above problems and providing a tunnel detection apparatus.

The invention realizes the purpose through the following technical scheme:

a tunnel detection device comprises a fixing mechanism for fixing the whole device on the front side of a vehicle, a lifting mechanism for adjusting the distance between the whole device and the ground, an ultrasonic flaw detector and a camera, wherein the fixing mechanism is positioned behind the lifting mechanism, the ultrasonic flaw detector and the camera are both positioned above the lifting mechanism, the tunnel detection device also comprises a swinging mechanism for detecting a tunnel and a driving mechanism for driving the swinging mechanism, the swinging mechanism comprises an arc-shaped frame, a buffer plate, buffer springs and swinging arms, the arc-shaped frame is positioned on the front side and the rear side of the top of the fixing mechanism, the buffer plates are arranged on two sides of the arc-shaped frame, the buffer springs are arranged on the lower side of the buffer plate, and the swinging arms are arranged on the inner side of the arc-shaped frame; actuating mechanism includes driving motor, drive shaft, gear, bevel gear, driving motor sets up arc frame front side, both sides are in the front and back the drive shaft sets up arc frame is inboard, the gear sets up drive shaft tip just is located two between the arc frame, bevel gear sets up drive shaft both sides just are located two between the arc frame.

Preferably: fixing mechanism includes fixing base, concave type frame, mount, locking frame, the fixing base passes through bolted connection and is in arc frame bottom, both sides around the fixing base are put up through welded connection to concave type, the mount passes through welded connection and is in the fixing base rear side just is located two between the concave type frame, the setting of locking frame is in the mount rear side.

According to the arrangement, the arc-shaped frame is supported by the fixed seat, the lifting mechanism is supported by the concave frame, and then the whole device is fixed on the front side of a vehicle by the fixed frame and the locking frame, so that the detection device is driven by the vehicle to move and detect in the tunnel.

Preferably: elevating system includes lift seat, protruding template, universal wheel, cylinder, the cylinder fixed part passes through bolted connection and is in the both sides of fixing base intermediate position, the lift seat sets up the cylinder pars contractilis, protruding template passes through welded connection and is in both sides around the lift seat, the universal wheel passes through bolted connection and is in lift seat bottom.

According to the arrangement, the cylinder telescopic part is used for pushing the lifting seat and the convex plate to move downwards, so that the height of the fixed seat from the ground is adjusted, and meanwhile, the universal wheel at the bottom of the lifting seat is used for driving the whole device to move.

Preferably: elevating system includes lift seat, protruding template, universal wheel, screw rod, guide bar, the screw rod passes the fixing base both sides, the guide bar lower extreme passes through welded connection in the fixing base both sides just are located the screw rod is inboard, protruding template passes through welded connection in both sides around the lift seat, the universal wheel passes through bolted connection and is in lift seat bottom.

According to the arrangement, the lifting seat and the convex plate are pushed to move downwards by the rotation of the screw rod, so that the height of the fixed seat from the ground is adjusted, and meanwhile, the universal wheel at the bottom of the lifting seat is used for driving the whole device to move.

Preferably: the ultrasonic flaw detectors are connected to the upper end of the swinging arm through screws, and the camera is connected to the upper end of the swinging arm through screws and located on the inner sides of the two ultrasonic flaw detectors.

So set up, utilize the ultrasonic flaw detector detects the crack of tunnel inner wall, utilizes simultaneously the camera comes to shoot the record to tunnel crack department.

Preferably: the driving motor is connected with the arc-shaped frame through a bolt, the driving shaft is connected with the arc-shaped frame through a bearing, the gear is fixedly connected with the driving shaft, and the bevel gear is connected with the arc-shaped frame through a bearing.

According to the arrangement, the driving shaft on the rear side of the driving motor is driven by the driving motor rotating part to rotate in a positive and negative alternate mode, the gear and the bevel gear on the other side of the gear rotate, and the gear on the rear side and the driving shaft are driven to rotate through the transmission of the two bevel gears.

Preferably: the buffer spring is connected with the buffer plate through welding, and the lower end of the swing arm is connected with the drive shaft key.

According to the arrangement, the upper end of the swing arm is supported by the buffer spring and the buffer plate, and the swing arm is driven to swing on the inner side of the arc-shaped frame by the aid of forward and reverse alternate rotation of the driving shaft.

Preferably: teeth are arranged on the front side and the rear side of the bevel gear, the teeth close to one side of the arc-shaped frame are meshed with the gear, and the teeth on the rear side of the gear drive the other bevel gear to synchronously rotate.

According to the arrangement, the bevel gear is used for being close to teeth on one side of the arc-shaped frame and is in meshed transmission with the gear, so that the driving shaft is driven to rotate on the front side and the rear side.

Preferably: the inner side of the arc-shaped frame is provided with a sliding groove, and the front side and the rear side of the upper end of the swing arm are provided with supporting plates and are located in the sliding groove of the arc-shaped frame.

So set up, utilize the backup pad of swing arm upper end to slide in the spout of arc frame inboard to come to restrict the removal of swing arm upper end.

Compared with the prior art, the invention has the following beneficial effects:

1. the driving motor is used for driving the gears to be in meshing transmission with the conical gears through the driving shaft on the front side, and the transmission of the two conical gears is used for driving the rear side gear and the driving shaft to rotate in opposite directions, so that the two driving shafts are driven to drive the two swing arms to swing in opposite directions, and the detection efficiency is improved;

2. utilize the arc frame to come to support the swing arm upper end, utilize the buffer board and the buffer spring of arc frame both sides to come to cushion the upper end of swing arm simultaneously to can be quick detect arch tunnel lateral wall.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a tunnel detection device according to the present invention;

FIG. 2 is a front view of a tunnel detection apparatus of the present invention;

FIG. 3 is a partial sectional view of an embodiment 1 of a lifting mechanism of a tunnel inspection device according to the present invention;

FIG. 4 is a partial sectional view of an embodiment 2 of a lifting mechanism of a tunnel inspection device according to the present invention;

FIG. 5 is a partial detail view of a drive mechanism of a tunnel inspection device according to the present invention;

FIG. 6 is a partial detail view of a fixing mechanism of the tunnel inspection device of the present invention;

FIG. 7 is a partial detail view of a swing arm of a tunnel inspection device according to the present invention;

fig. 8 is a partial part view of a swing mechanism of the tunnel detection device according to the present invention.

The reference numerals are explained below:

1. a drive mechanism; 2. a swing mechanism; 3. a fixing mechanism; 4. a lifting mechanism; 5. an ultrasonic flaw detector; 6. a camera; 11. a drive motor; 12. a drive shaft; 13. a gear; 14. a bevel gear; 21. an arc-shaped frame; 22. a buffer plate; 23. a buffer spring; 24. a swing arm; 31. a fixed seat; 32. a concave frame; 33. a fixed mount; 34. a locking frame; 41. a lifting seat; 42. a convex plate; 43. a universal wheel; 44. a cylinder; 414. a screw; 415. a guide rod.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be further described with reference to the accompanying drawings in which:

a tunnel detection device comprises a fixing mechanism 3 for fixing the whole device on the front side of a vehicle, a lifting mechanism 4 for adjusting the height of the whole device from the ground, an ultrasonic flaw detector 5 and a camera 6, wherein the fixing mechanism 3 is positioned behind the lifting mechanism 4, the ultrasonic flaw detector 5 and the camera 6 are both positioned above the lifting mechanism 4, the tunnel detection device further comprises a swinging mechanism 2 for detecting a tunnel and a driving mechanism 1 for driving the swinging mechanism 2, the swinging mechanism 2 comprises an arc-shaped frame 21, a buffer plate 22, a buffer spring 23 and a swinging arm 24, the arc-shaped frame 21 is positioned on the front side and the rear side of the top of the fixing mechanism 3, the buffer plate 22 is arranged on the two sides of the arc-shaped frame 21, the buffer spring 23 is arranged on the lower side of the buffer plate 22, and the swinging arm 24 is arranged on the inner side of the arc-shaped frame 21; the driving mechanism 1 comprises a driving motor 11, a driving shaft 12, a gear 13 and a bevel gear 14, wherein the driving motor 11 is arranged on the front side of an arc-shaped frame 21, the driving shaft 12 is arranged on the inner side of the arc-shaped frame 21 on the front side and the rear side, the gear 13 is arranged at the end part of the driving shaft 12 and is positioned between the two arc-shaped frames 21, and the bevel gear 14 is arranged on the two sides of the driving shaft 12 and is positioned between the two arc-shaped frames 21.

Example 1

As shown in fig. 1, 2, 3, 5, 6, 7 and 8, the fixing mechanism 3 includes a fixing seat 31, a concave frame 32, a fixing frame 33 and a locking frame 34, the fixing seat 31 is connected to the bottom of the arc frame 21 through a bolt, the concave frame 32 is connected to the front and back sides of the fixing seat 31 through welding, the fixing frame 33 is connected to the back side of the fixing seat 31 through welding and is located between the two concave frames 32, the locking frame 34 is arranged at the back side of the fixing frame 33, the fixing seat 31 is used for supporting the arc frame 21, the concave frame 32 is used for supporting the lifting mechanism 4, and then the fixing frame 33 and the locking frame 34 are used for fixing the whole device at the front side of the vehicle, so that the vehicle can drive the detection device to move and detect in the tunnel; the lifting mechanism 4 comprises a lifting seat 41, a convex plate 42, universal wheels 43 and a cylinder 44, the fixed part of the cylinder 44 is connected with the two sides of the middle position of the fixed seat 31 through bolts, the lifting seat 41 is arranged at the telescopic part of the cylinder 44, the convex plate 42 is connected with the front side and the rear side of the lifting seat 41 through welding, the universal wheels 43 are connected with the bottom of the lifting seat 41 through bolts, the telescopic part of the cylinder 44 is used for pushing the lifting seat 41 and the convex plate 42 to move downwards, so that the height of the fixed seat 31 from the ground is adjusted, and meanwhile, the universal wheels 43 at the bottom of the lifting seat 41 are used for driving the whole device to move; the ultrasonic flaw detectors 5 are connected to the upper end of the swing arm 24 through screws, the camera 6 is connected to the upper end of the swing arm 24 through screws and located on the inner sides of the two ultrasonic flaw detectors 5, the ultrasonic flaw detectors 5 are used for detecting cracks on the inner wall of the tunnel, and meanwhile the camera 6 is used for shooting and recording the cracks of the tunnel; the driving motor 11 is connected with the arc-shaped frame 21 through a bolt, the driving shaft 12 is connected with the arc-shaped frame 21 through a bearing, the gear 13 is fixedly connected with the driving shaft 12, the bevel gear 14 is connected with the arc-shaped frame 21 through a bearing, the driving shaft 12 on the rear side is driven by the rotating part of the driving motor 11 to rotate forward and backward alternately, the gear 13 and the bevel gear 14 on the other side rotate, and the gear 13 on the rear side and the driving shaft 12 are driven to rotate through the transmission of the two bevel gears 14; the buffer spring 23 is connected with the buffer plate 22 in a welding mode, the lower end of the swing arm 24 is in key connection with the driving shaft 12, the upper end of the swing arm 24 is supported by the buffer spring 23 and the buffer plate 22, and meanwhile the swing arm 24 is driven to swing on the inner side of the arc-shaped frame 21 by the aid of positive and negative alternate rotation of the driving shaft 12; the front side and the rear side of the bevel gear 14 are provided with teeth, the teeth on one side close to the arc-shaped frame 21 are meshed with the gear 13, the teeth on the rear side of the bevel gear drive the other bevel gear 14 to synchronously rotate, and the teeth on one side close to the arc-shaped frame 21 of the bevel gear 14 are meshed with the gear 13 for transmission, so that the driving shafts 12 on the front side and the rear side are driven to rotate; the inboard spout of having seted up of arc frame 21, swing arm 24 upper end front and back both sides are provided with the backup pad and are located the spout of arc frame 21, utilize the backup pad of swing arm 24 upper end to slide in the inboard spout of arc frame 21 to come to restrict the removal of swing arm 24 upper end.

The working principle is as follows: when the device is used, firstly, the device is moved to the front side of a corresponding vehicle, then the telescopic part of the air cylinder 44 is used for pushing the lifting seat 41 to move downwards, the convex plate 42 extends out of the concave frame 32, then the fixed seat 31 can be lifted upwards, then the locking frame 34 is sleeved on the front side of the vehicle and is fixed by bolts, at the moment, the bottom of the lifting seat 41 is supported by the universal wheels 43 along with the movement of the vehicle, then the whole device is driven to move, when the whole device enters the tunnel, the rotating part of the driving motor 11 drives the driving shaft 12 at the rear end to rotate in a positive and negative alternative mode, the driving shaft 12 drives the gear 13 to rotate in a meshing mode with the bevel gear 14, the driving shaft 12 and the gear 13 at the rear side are driven to rotate in a negative mode by the transmission of the two bevel gears 14, and therefore the two swing arms 24 respectively swing in the two arc-shaped frames 21 in a negative mode, meanwhile, the ultrasonic flaw detector 5 at the upper end of the swing arm 24 is used for carrying out ultrasonic detection on the inner wall of the tunnel so as to detect whether cracks exist in the tunnel, and meanwhile, the camera 6 is used for photographing the inner wall of the tunnel so as to record whether cracks exist in the tunnel or water leakage exists in the tunnel; when the swing arm 24 swings to both sides of the arc frame 21, the upper end of the swing arm 24 is buffered by the buffer spring 23 and the buffer plate 22, and then the kinetic energy generated when the swing arm 24 swings is reduced, so that the tunnel inner wall can be rapidly detected through the movement of the vehicle.

Example 2

As shown in fig. 4, the difference between embodiment 2 and embodiment 1 is that the lifting mechanism 4 includes a lifting seat 41, a convex plate 42, a universal wheel 43, a screw 414, and a guide rod 415, the screw 414 passes through two sides of the fixed seat 31, the lower end of the guide rod 415 is connected to two sides of the fixed seat 31 by welding and is located inside the screw 414, the convex plate 42 is connected to the front and rear sides of the lifting seat 41 by welding, the universal wheel 43 is connected to the bottom of the lifting seat 41 by a bolt, the lifting seat 41 and the convex plate 42 are pushed by the rotation of the screw 414 to move downward, so as to adjust the height of the fixed seat 31 from the ground, and the universal wheel 43 at the bottom of the lifting seat 41 is used to drive the whole device to move.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. A tunnel detection device comprises a fixing mechanism (3) for fixing the whole device on the front side of a vehicle, a lifting mechanism (4) for adjusting the height of the whole device from the ground, an ultrasonic flaw detector (5) and a camera (6), wherein the fixing mechanism (3) is positioned behind the lifting mechanism (4), the ultrasonic flaw detector (5) and the camera (6) are both positioned above the lifting mechanism (4), and the tunnel detection device is characterized in that: the tunnel detection device is characterized by further comprising a swinging mechanism (2) used for detecting a tunnel and a driving mechanism (1) used for driving the swinging mechanism (2), wherein the swinging mechanism (2) comprises an arc-shaped frame (21), buffer plates (22), buffer springs (23) and swinging arms (24), the arc-shaped frame (21) is located on the front side and the rear side of the top of the fixing mechanism (3), the buffer plates (22) are arranged on the two sides of the arc-shaped frame (21), the buffer springs (23) are arranged on the lower side of the buffer plates (22), and the swinging arms (24) are arranged on the inner side of the arc-shaped frame (21); actuating mechanism (1) includes driving motor (11), drive shaft (12), gear (13), bevel gear (14), driving motor (11) set up arc frame (21) front side, drive shaft (12) set up in the front and back both sides arc frame (21) are inboard, gear (13) set up drive shaft (12) tip just is located two between arc frame (21), bevel gear (14) set up drive shaft (12) both sides just are located two between arc frame (21).

2. A tunnel detection device according to claim 1, characterized in that: fixed establishment (3) are including fixing base (31), concave type frame (32), mount (33), locking frame (34), fixing base (31) are in through bolted connection arc frame (21) bottom, both sides around fixing base (31) are passed through welded connection in concave type frame (32), mount (33) are in through welded connection fixing base (31) rear side just is located two between concave type frame (32), locking frame (34) set up mount (33) rear side.

3. A tunnel detection device according to claim 1, characterized in that: elevating system (4) are including lift seat (41), protruding type board (42), universal wheel (43), cylinder (44) fixed part passes through bolted connection and is in the both sides of fixing base (31) intermediate position, lift seat (41) set up cylinder (44) pars contractilis, protruding type board (42) are in through welded connection both sides around lift seat (41), universal wheel (43) pass through bolted connection and are in lift seat (41) bottom.

4. A tunnel detection device according to claim 1, characterized in that: elevating system (4) are including lift seat (41), protruding type board (42), universal wheel (43), screw rod (414), guide bar (415), screw rod (414) pass fixing base (31) both sides, guide bar (415) lower extreme is in through welded connection fixing base (31) both sides just are located screw rod (414) are inboard, protruding type board (42) are in through welded connection both sides around lift seat (41), universal wheel (43) are in through bolted connection lift seat (41) bottom.

5. A tunnel detection device according to claim 1, characterized in that: the ultrasonic flaw detector (5) is connected to the upper end of the swinging arm (24) through a screw, and the camera (6) is connected to the upper end of the swinging arm (24) through a screw and is located at the inner sides of the ultrasonic flaw detector (5).

6. A tunnel detection device according to claim 1, characterized in that: the driving motor (11) is connected with the arc-shaped frame (21) through a bolt, the driving shaft (12) is connected with the arc-shaped frame (21) through a bearing, the gear (13) is fixedly connected with the driving shaft (12), and the bevel gear (14) is connected with the arc-shaped frame (21) through a bearing.

7. A tunnel detection device according to claim 1, characterized in that: the buffer spring (23) is connected with the buffer plate (22) through welding, and the lower end of the swing arm (24) is in key connection with the driving shaft (12).

8. A tunnel detection device according to claim 1, characterized in that: the front side and the rear side of the conical gear (14) are provided with teeth, the teeth close to one side of the arc-shaped frame (21) are meshed with the gear (13), and the teeth on the rear side drive the other conical gear (14) to synchronously rotate.

9. A tunnel detection device according to claim 2, wherein: the inner side of the arc-shaped frame (21) is provided with a sliding groove, and the front side and the rear side of the upper end of the swing arm (24) are provided with supporting plates and are positioned in the sliding groove of the arc-shaped frame (21).