A tunnel geological radar advance prediction auxiliary detection vehicle

By designing an auxiliary detection vehicle for advance forecast of tunnel geological radar, the problems of low detection effect and inconvenient all-round detection in the prior art are solved, and automated control and efficient detection are achieved.

CN116338589BActive Publication Date: 2025-05-06MCC WUKAN ENG CONSULTING (HUBEI) CO LTD +1
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Patent Information

Application Number
CN202310287640.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-20
Publication Date
2025-05-06
Estimated Expiration
2043-03-20

AI Technical Summary

Technical Problem

The prior art uses only one set of radar antenna bodies for detection in tunnel geological radar advance forecast, and requires artificial control of the movement trajectory of the radar antenna body, resulting in a reduced detection effect and inconvenient for all-round detection of the tunnel.

Method used

A tunnel geological radar advance forecast auxiliary detection vehicle was designed, including a support base, a walking mechanism and a detection mechanism. The detection mechanism consists of a fixing frame, a moving mechanism and a detection component. The movement mechanism realizes automatic movement and fixing of the radar antenna body through the second drive motor, a reciprocating screw and a transmission component. The detection component maintains the radar antenna body at the same distance as the inner wall surface of the tunnel by installing a vertical pole, a spring and a ball.

Benefits of technology

All-round inspection of the tunnel is achieved, the detection effect is improved, and the demand for human operations is reduced through automated control and the detection efficiency is improved.

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Abstract

The present invention provides a tunnel geological radar advance prediction auxiliary detection vehicle. The detection vehicle includes a supporting base, a walking mechanism and a detection mechanism; the detection mechanism includes a fixed frame, a mobile mechanism installed on the fixed frame and two groups of detection components, the mobile mechanism includes an outer shell, a second drive motor, a reciprocating screw, a transmission component and a driving wheel, the reciprocating screw is vertically placed in the outer shell, driven by the second drive motor, and the first and second support rods that are parallel to each other and rotate are horizontally arranged in the outer shell, the driving wheel is fixedly installed on the first support rod and is connected to the reciprocating screw in a transmission manner, the two groups of detection components are respectively installed on the first and second support rods, and gears that mesh with each other are provided on the two support rods. The two groups of detection components of the present invention can rotate relative to each other to perform all-round detection of the tunnel, and the radar antenna body can be kept at the same distance from the inner wall of the tunnel during detection, thereby improving the detection effect.
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Description

Technical Field

[0001] The present invention relates to the technical field related to tunnel auxiliary detection vehicles, and in particular to a tunnel geological radar advance prediction auxiliary detection vehicle. Background Art

[0002] During the tunnel construction process, it is necessary to use geological radar to predict the geological conditions near the tunnel in advance, so as to detect geological factors such as faults, broken zones, caves and underground rivers that are prone to appear in the geology, and avoid the above geological factors affecting the construction of the tunnel. The geological radar detection method is a fast, non-destructive, high-resolution detection method. It can use ultra-high frequency electromagnetic waves to detect the medium in front of the heading face, and analyze and judge the spatial position and morphological distribution of different media based on the waveform, amplitude and phase of the transmitted electromagnetic wave received by the receiving antenna. Therefore, the geological radar advance prediction plays a very important role in the construction of the tunnel, and an auxiliary detection vehicle is needed during the detection.

[0003] Chinese patent authorization announcement number CN109212515B discloses an auxiliary device and working method suitable for advanced prediction of tunnel geological radar method, including a flexible track, a radar antenna carrying unit and a power supply unit. The flexible track is arranged on both sides of the geological prediction survey line and fixed on the tunnel face. The radar antenna carrying unit includes a pulley and a radar antenna clamping unit, which are connected by a detachable shock absorber. After the radar antenna carrying unit carries the radar antenna, it slides freely on the flexible track through the pulley. The power supply unit receives and controls the movement and fixation of the radar antenna carrying unit on the flexible track according to the control command to reach the specified position of the geological prediction survey line.

[0004] Most of the existing technical solutions have the following defects: they only use one set of radar antenna bodies for detection, and the movement trajectory of the radar antenna body needs to be manually controlled, which reduces the detection effect and is not convenient for comprehensive detection of the tunnel. Therefore, we provide a tunnel geological radar advance prediction auxiliary detection vehicle to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a tunnel geological radar advance prediction auxiliary detection vehicle to solve the problem proposed in the above background technology that the detection is only carried out through a group of radar antenna bodies, and the moving trajectory of the radar antenna body needs to be manually controlled, thereby reducing the detection effect and making it inconvenient to carry out comprehensive detection of the tunnel.

[0006] To achieve the above-mentioned object, the present invention provides a tunnel geological radar advance prediction auxiliary detection vehicle, the detection vehicle comprises a support base, a walking mechanism arranged at the bottom of the support base and a detection mechanism arranged at the upper part of the support base; the detection mechanism comprises a fixed frame, a mobile mechanism installed on the fixed frame and two groups of detection components installed on the mobile mechanism, the fixed frame is fixedly installed on the top surface of the support base by bolts;

[0007] The moving mechanism comprises an outer shell, a second driving motor, a reciprocating screw rod, a transmission assembly and a driving wheel, the outer shell is placed above a fixed frame, the reciprocating screw rod is vertically placed in the outer shell, the second driving motor is mounted on the fixed frame, and its output end extends into the outer shell and is connected to the reciprocating screw rod; a first support rod and a second support rod parallel to each other are horizontally arranged in the outer shell, the first support rod and the second support rod are both rotatably connected to the outer shell, the driving wheel is fixedly mounted on the first support rod, and the driving wheel is transmission-connected to the reciprocating screw rod through the transmission assembly, and a first transmission gear and a second transmission gear meshing with each other are respectively provided on the first support rod and the second support rod; two sets of detection assemblies are respectively mounted on the first support rod and the second support rod, and corresponding limited position slideways are provided on the outer shell;

[0008] The detection assembly includes a mounting pole, a spring, a connecting pole and a mounting frame; one end of the mounting pole is fixed on the corresponding support rod, and the other end extends out of the outer shell through a limiting slide; the connecting pole is embedded in the mounting pole and connected to the mounting pole through a spring; the mounting frame is placed at the end of the connecting pole, a radar antenna body is installed in the mounting frame, and a ball bearing is embedded on the end face of the mounting frame adjacent to the tunnel detection face.

[0009] Further technical solution of the present invention: the walking mechanism includes a connecting frame, a first drive motor and a first transmission rod, the first transmission rod is placed in the support base and connected to the support base through the connecting frame, the connecting frame is installed in the support base by bolts, the first drive motor is arranged on the outside of the support base, the output end of the first drive motor extends into the support base and is connected to the first transmission rod, and moving wheels are respectively provided at both ends of the first transmission rod, and the moving wheels are driven by the first drive motor and the first transmission rod to move along the track installed on the tunnel floor.

[0010] The preferred technical solution of the present invention is as follows: the transmission assembly includes a connecting block and a transmission rack, the connecting block is a threaded sleeve, and an external thread is correspondingly provided on the reciprocating screw rod. The connecting block threaded sleeve is connected to the threaded section of the reciprocating screw rod, the transmission rack is vertically installed on the connecting block and is parallel to the reciprocating screw rod, and the driving wheel and the transmission rack are meshed with each other.

[0011] A better technical solution of the present invention is as follows: a positioning block is fixedly installed on the outer side of the radar antenna body, a positioning groove is correspondingly opened inside the installation frame, the radar antenna body is placed in the installation frame, and its positioning block is connected to the installation frame in a sliding manner through the positioning groove; a fixing screw for fixing the radar antenna body is also provided on the installation frame, and the radar antenna body forms a detachable structure with the installation frame through the fixing screw.

[0012] A preferred technical solution of the present invention: the first support rod and the second support rod both form a rotating structure inside the mounting outer shell through bearings, and the first support rod and the second support rod are arranged in parallel left and right, and the rotation directions of the first support rod and the second support rod are opposite.

[0013] A preferred technical solution of the present invention is as follows: the outer shell is a square frame with arc-shaped ends, the limiting slides are symmetrically arranged in the arc regions at the two ends of the outer shell, and each limiting slide is an arc-shaped slide.

[0014] A preferred technical solution of the present invention: the first transmission gear and the second transmission gear are both located at the front side of the lower end of the detection component.

[0015] A preferred technical solution of the present invention is that the connecting pole forms a telescopic structure with the installation pole through a spring, and the installation pole is arranged in left-right symmetry with respect to the vertical center axis of the installation outer shell.

[0016] A better technical solution of the present invention: a transmission belt is provided at one end of the first transmission rod away from the first drive motor, and a second transmission rod parallel to the first transmission rod is provided in the support base, the first transmission rod is connected to the second transmission rod through the transmission belt, and moving wheels are also symmetrically installed at both ends of the second transmission rod.

[0017] A preferred technical solution of the present invention: the transmission assembly further includes a limit rod, the limit rod passes through the connecting block, and both ends of the limit rod are respectively connected to the outer shell.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention forms a rotating structure inside the installation outer shell through the first support rod and the second support rod under the action of the bearing, and the rotation directions of the first support rod and the second support rod are opposite. At the same time, the first transmission gear and the second transmission gear are connected in a meshing manner. When the first transmission gear rotates, it is meshed and connected with the second transmission gear, thereby driving the second transmission gear and the second support rod to rotate inside the installation outer shell. At this time, the second support rod and the first support rod have opposite rotation directions, so that it is convenient to drive the two groups of installation poles to rotate in the opposite direction through the second support rod and the first support rod respectively, thereby facilitating the two groups of radar antenna bodies to perform comprehensive detection of the tunnel;

[0020] 2. The present invention forms a telescopic structure with the installation pole under the action of the spring through the connecting pole, and the installation pole is arranged symmetrically with respect to the vertical center axis of the installation outer shell. When the installation pole rotates inside the installation outer shell, the ball is in contact rolling connection with the inner wall of the tunnel. As the rotation angle of the installation pole increases, the spring originally in a compressed state recovers its deformation, so that the connecting pole slides inside the installation pole, so that the ball can always be in contact rolling connection with the inner wall of the tunnel, thereby keeping the radar antenna body installed inside the installation frame always at the same distance from the inner wall of the tunnel, which can improve the detection effect;

[0021] 3. In the present invention, the positioning block is connected to the installation frame in a sliding manner under the action of the positioning groove, and the fixing screw is respectively connected to the installation frame and the radar antenna body in a threaded manner. During installation, the radar antenna body can be first positioned and installed inside the installation frame through the positioning block and the positioning groove, and then the fixing screw is rotated and inserted into the interior of the installation frame, so that the fixing screw is respectively threadedly connected to the installation frame and the radar antenna body, thereby playing the role of installing and fixing the radar antenna body.

[0022] The present invention facilitates all-round detection of the tunnel, and during detection, the radar antenna body can be kept at the same distance from the inner wall of the tunnel, thereby improving the detection effect and having a good installation and fixing effect on the radar antenna body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the front cross-sectional structure of the present invention;

[0024] Figure 2 It is a front view cross-sectional structural diagram of the connection between the reciprocating screw rod and the transmission assembly of the present invention;

[0025] Figure 3 It is a schematic diagram of a top view cross-sectional structure of the connection between the first transmission gear and the second transmission gear of the present invention;

[0026] Figure 4 It is a schematic diagram of the side cross-sectional structure of the connection between the support base and the connecting frame of the present invention;

[0027] Figure 5 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0028] Figure 6 For the present invention Figure 1 Schematic diagram of the cross-sectional structure at BB in the middle.

[0029] In the figure: 1, support base; 2, connecting frame; 3, first drive motor; 4, first transmission rod; 5, moving wheel; 6, transmission belt; 7, track; 8, fixed frame; 9, outer shell; 10, limiting slide; 11, second drive motor; 12, reciprocating screw; 13, transmission assembly; 1301, connecting block; 1302, connecting plate; 1303, connecting protrusion; 14, limiting rod; 15, driving wheel; 16, first support rod; 17, first transmission gear; 18, second transmission gear; 19, second support rod; 20, detection assembly; 2001, installation pole; 2002, spring; 2003, connecting pole; 2004, installation frame; 2005, ball; 21, radar antenna body; 22, positioning block; 23, fixing screw; 24, positioning groove; 25, second transmission rod, 26, tunnel. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be understood that the terms "upper", "lower", "inner", "outer", "left", "right", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the invention is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0032] The embodiment provides a tunnel geological radar advance prediction auxiliary detection vehicle, such as Figures 1 to 6 As shown, the detection vehicle includes a support base 1, a walking mechanism arranged at the bottom of the support base 1, and a detection mechanism arranged on the upper part of the support base 1; the walking mechanism includes a connecting frame 2, a first drive motor 3 and a first transmission rod 4, the first transmission rod 4 is placed in the support base 1, and is connected to the support base 1 through the connecting frame 2, the connecting frame 2 is installed in the support base 1 by bolts, the first drive motor 3 is arranged on the outside of the support base 1, and its output end extends into the support base 1 and is connected to the first transmission rod 4, and moving wheels 5 are respectively provided at both ends of the first transmission rod 4; as shown Figure 4As shown, a transmission belt 6 is provided at one end of the first transmission rod 4 away from the first driving motor 3, and a second transmission rod 25 parallel to the first transmission rod 4 is provided in the supporting base 1. The first transmission rod 4 is connected to the second transmission rod 25 through the transmission belt 6, and moving wheels 5 are also symmetrically installed at both ends of the second transmission rod 25. The first driving motor 3 drives the first transmission rod 4 and the moving wheels 5 at both ends of the first transmission rod 4 to rotate, and the transmission belt 6 drives the second transmission rod 25 and the moving wheels 5 at both ends of the second transmission rod 25 to rotate. The moving wheels 5 match the track 7 installed on the tunnel floor, and the first driving motor 3 can drive the moving wheels 5 to move along the track 7 installed on the tunnel floor, thereby controlling the movement of the entire inspection vehicle.

[0033] The embodiment provides a tunnel geological radar advance prediction auxiliary detection vehicle, such as Figures 1 to 3 As shown, the detection mechanism includes a fixed frame 8, a mobile mechanism installed on the fixed frame 8 and two groups of detection components 20 installed on the mobile mechanism. The fixed frame 8 is fixedly installed on the top surface of the support base 1 by bolts. The mobile mechanism includes an outer shell 9, a second drive motor 11, a reciprocating screw rod 12, a transmission assembly 13 and a driving wheel 15. The outer shell 9 is a square frame with arc-shaped ends, which is placed above the fixed frame 8. The reciprocating screw rod 12 is vertically placed in the outer shell 9. The second drive motor 11 is installed on the fixed frame 8, and its output end extends into the outer shell 9 and is connected to the reciprocating screw rod 12; a first support rod 16 and a second support rod 19 are horizontally arranged in parallel with each other in the outer shell 9. The first support rod 16 and the second support rod 19 are both formed into a rotating structure inside the outer shell 9 through bearings, and the first support rod 16 and the second support rod 19 are arranged in parallel left and right, and the first support rod 16 and the second support rod 19 have opposite rotation directions. The driving wheel 15 is fixedly mounted on the first support rod 16, and the driving wheel 15 is connected to the reciprocating screw rod 12 through the transmission assembly 13. The first and second transmission gears 17, 18 meshing with each other are respectively provided on the first and second support rods 16, 19, and the first and second transmission gears 17, 18 are both located at the lower front side of the detection assembly 20. Two sets of detection assemblies 20 are respectively mounted on the first and second support rods 16, 19, and corresponding limited position slideways 10 are provided on the outer shell 9; the limited position slideways 10 are symmetrically provided in the arc areas at both ends of the outer shell 9, and each limited position slideway 10 is an arc-shaped slideway.

[0034] The embodiment provides a tunnel geological radar advance prediction auxiliary detection vehicle, such as Figures 2 to 3As shown, the transmission assembly 13 includes a connection block 1301 and a transmission rack 1302. The connection block 1301 is a threaded sleeve, and an external thread is correspondingly provided on the reciprocating screw rod 12. The connection block 1301 is threadedly sleeved on the threaded section of the reciprocating screw rod 12. The transmission rack 1302 is vertically installed on the connection block 1301 and is parallel to the reciprocating screw rod 12. The driving wheel 15 is meshed with the transmission rack 1302. The transmission assembly 13 also includes a limit rod 14, which passes through the connection block 1301, and its two ends are respectively connected to the outer shell 9.

[0035] The embodiment provides a tunnel geological radar advance prediction auxiliary detection vehicle, such as Figure 1 , Figure 5 and Figure 6 As shown, the detection assembly 20 includes a mounting pole 2001, a spring 2002, a connecting pole 2003 and a mounting frame 2004; one end of the mounting pole 2001 is fixed on the corresponding support rod, and the other end extends out of the outer shell 9 through the limiting slide 10, the connecting pole 2003 is embedded in the mounting pole 2001, and is connected to the mounting pole 2001 through the spring 2002, the connecting pole 2003 and the mounting pole 2001 form a telescopic structure through the spring 2002, and the mounting pole 2001 is arranged in a bilaterally symmetrical manner with respect to the vertical center axis of the mounting outer shell 9. The mounting frame 2004 is placed at the end of the connecting pole 2003, the radar antenna body 21 is installed in the mounting frame 2004, and a ball 2005 is embedded in the end face of the mounting frame 2004 adjacent to the tunnel detection surface. A positioning block 22 is fixedly installed on the outer side of the radar antenna body 21, and a positioning groove 24 is correspondingly opened inside the installation frame 2004. The radar antenna body 21 is placed in the installation frame 2004, and its positioning block 22 is connected to the installation frame 2004 in a sliding manner through the positioning groove 24; a fixing screw 23 for fixing the radar antenna body 21 is also provided on the installation frame 2004, and the radar antenna body 21 and the installation frame 2004 form a detachable structure through the fixing screw 23.

[0036] When using the tunnel geological radar advance prediction auxiliary detection vehicle, the specific Figure 1 and Figure 4 As shown in the figure, firstly, the track 7 is fixedly installed at the designated position on the tunnel ground by bolts, and then the whole is installed on the outer side of the upper end of the track 7 by the moving wheel 5. During the inspection, the first driving motor 3 can be started to drive the first transmission rod 4 to rotate, so that the moving wheel 5 can drive the whole to move above the track 7 under the action of the transmission belt 6. When the whole moves to the designated position, the second driving motor 11 is started to drive the reciprocating screw rod 12 to rotate inside the first limit rod 10. Figure 2 and Figure 3As shown in the figure, since the raised teeth on the transmission rack 1302 are arranged at equal intervals up and down, and the transmission rack 1302 is connected to the driving wheel 15 in a meshing manner, when the reciprocating screw 12 rotates, the connecting block 1301 is threadedly connected to the outside of the reciprocating screw 12, so that the connecting block 1301 can drive the transmission rack 1302 to reciprocate up and down on the outside of the reciprocating screw 12, and then the transmission rack 1302 can mesh with the driving wheel 15 when moving and drive the first support rod 16 and the first transmission gear 17 to rotate inside the mounting outer shell 9, and at the same time, the limit rod 14 can improve the stability of the movement of the connecting block 1301.

[0037] Specific as Figure 1 and Figure 3 As shown in , since the first support rod 16 and the second support rod 19 both form a rotating structure inside the installation outer shell 9 through bearings, and the rotation directions of the first support rod 16 and the second support rod 19 are opposite, and the first transmission gear 17 and the second transmission gear 18 are connected in a meshing manner, the first transmission gear 17 rotates while being meshed and connected with the second transmission gear 18, thereby driving the second transmission gear 18 and the second support rod 19 to rotate inside the installation outer shell 9. At this time, the second support rod 19 and the first support rod 16 have opposite rotation directions, so that it is convenient to drive the two groups of installation poles 2001 to rotate in the opposite direction through the second support rod 19 and the first support rod 16 respectively, thereby facilitating the two groups of radar antenna bodies 21 to perform all-round detection of the tunnel. At the same time, the limiting slide 10 has a good limiting effect on the installation pole 2001, which can improve the stability of the movement of the installation pole 2001.

[0038] Combination Figure 1 , Figure 5 and Figure 6As shown in the figure, since the connecting rod 2003 forms a telescopic structure with the installation rod 2001 through the spring 2002, and the installation rod 2001 is arranged symmetrically with respect to the vertical center axis of the installation outer shell 9, and the interior of the installation frame 2004 is provided with a positioning groove 24, and the positioning block 22 is connected to the installation frame 2004 in a sliding manner through the positioning groove 24, when the installation rod 2001 rotates inside the installation outer shell 9, the ball 2005 is in contact rolling connection with the inner wall of the tunnel. As the rotation angle of the installation rod 2001 increases, the spring 2002 originally in a compressed state recovers its deformation, so that the connecting rod 2003 is in the installation The rod 2001 slides inside, so that the ball 2005 can always be in contact with the inner wall of the tunnel in a rolling connection, thereby keeping the radar antenna body 21 installed in the mounting frame 2004 always at the same distance from the inner wall of the tunnel, which can improve the detection effect. When installing the radar antenna body 21, the radar antenna body 21 can be first positioned and installed in the mounting frame 2004 through the positioning block 22 and the positioning groove 24, and then the fixing screw 23 is rotated and inserted into the mounting frame 2004, so that the fixing screw 23 is respectively threadedly connected with the mounting frame 2004 and the radar antenna body 21, thereby playing the role of installing and fixing the radar antenna body 21.

[0039] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tunnel geological radar advance prediction auxiliary detection vehicle, characterized in that: The inspection vehicle comprises a support base (1), a walking mechanism arranged at the bottom of the support base (1), and a detection mechanism arranged at the top of the support base (1); the detection mechanism comprises a fixed frame (8), a moving mechanism installed on the fixed frame (8), and two sets of detection components (20) installed on the moving mechanism; the fixed frame (8) is fixedly mounted on the top surface of the support base (1) by bolts; The moving mechanism comprises an outer shell (9), a second drive motor (11), a reciprocating screw rod (12), a transmission assembly (13) and a driving wheel (15); the outer shell (9) is placed above a fixed frame (8); the reciprocating screw rod (12) is vertically placed in the outer shell (9); the second drive motor (11) is mounted on the fixed frame (8); an output end of the second drive motor (11) extends into the outer shell (9) and is connected to the reciprocating screw rod (12); a first support rod (16) and a second support rod (19) are horizontally arranged in parallel with each other in the outer shell (9); the first support rod (16) The first support rod (16) and the second support rod (19) are both rotatably connected to the outer shell (9); the driving wheel (15) is fixedly mounted on the first support rod (16), and the driving wheel (15) is transmission-connected to the reciprocating screw rod (12) via a transmission assembly (13); a first transmission gear (17) and a second transmission gear (18) meshing with each other are respectively provided on the first support rod (16) and the second support rod (19); two sets of detection assemblies (20) are respectively mounted on the first support rod (16) and the second support rod (19), and a limited position slideway (10) is correspondingly provided on the outer shell (9); The detection assembly (20) comprises a mounting pole (2001), a spring (2002), a connecting pole (2003) and a mounting frame (2004); one end of the mounting pole (2001) is fixed to a corresponding support pole, and the other end extends out of an outer shell (9) via a limiting slideway (10); the connecting pole (2003) is embedded in the mounting pole (2001) and connected to the mounting pole (2001) via a spring (2002); the mounting frame (2004) is placed at the end of the connecting pole (2003); a radar antenna body (21) is installed in the mounting frame (2004); and a ball (2005) is embedded in the end surface of the mounting frame (2004) adjacent to the tunnel detection surface.

2. The tunnel geological radar advance prediction auxiliary detection vehicle according to claim 1 is characterized in that: The walking mechanism comprises a connecting frame (2), a first driving motor (3) and a first transmission rod (4); the first transmission rod (4) is disposed in a support base (1) and connected to the support base (1) via the connecting frame (2); the connecting frame (2) is mounted in the support base (1) via bolts; the first driving motor (3) is disposed outside the support base (1), an output end of which extends into the support base (1) and is connected to the first transmission rod (4); moving wheels (5) are respectively disposed at both ends of the first transmission rod (4); the moving wheels (5) are driven by the first driving motor (3) and the first transmission rod (4) to move along a track (7) installed on the tunnel floor.

3. A tunnel geological radar advance prediction auxiliary detection vehicle according to claim 1 or 2, characterized in that: The transmission assembly (13) comprises a connection block (1301) and a transmission rack (1302); the connection block (1301) is a threaded sleeve, and an external thread is correspondingly provided on the reciprocating screw (12); the connection block (1301) is threadedly sleeved on a threaded section of the reciprocating screw (12); the transmission rack (1302) is vertically mounted on the connection block (1301) and is parallel to the reciprocating screw (12); and the driving wheel (15) is meshed with the transmission rack (1302).

4. A tunnel geological radar advance prediction auxiliary detection vehicle according to claim 1 or 2, characterized in that: A positioning block (22) is fixedly mounted on the outer side of the radar antenna body (21); a positioning groove (24) is correspondingly provided inside the installation frame (2004); the radar antenna body (21) is placed in the installation frame (2004); the positioning block (22) is connected to the installation frame (2004) in a sliding manner via the positioning groove (24); a fixing screw (23) for fixing the radar antenna body (21) is also provided on the installation frame (2004); the radar antenna body (21) and the installation frame (2004) form a detachable structure via the fixing screw (23).

5. A tunnel geological radar advance prediction auxiliary detection vehicle according to claim 1 or 2, characterized in that: The first support rod (16) and the second support rod (19) both form a rotating structure inside the mounting outer shell (9) via a bearing, and the first support rod (16) and the second support rod (19) are arranged in parallel on the left and right, and the first support rod (16) and the second support rod (19) rotate in opposite directions.

6. A tunnel geological radar advance prediction auxiliary detection vehicle according to claim 1 or 2, characterized in that: The outer shell (9) is a square frame with arc-shaped ends; the limiting slideways (10) are symmetrically arranged in the arc regions at the two ends of the outer shell (9); and each limiting slideway (10) is an arc-shaped slideway.

7. A tunnel geological radar advance prediction auxiliary detection vehicle according to claim 1 or 2, characterized in that: The first transmission gear (17) and the second transmission gear (18) are both located at the front side of the lower end of the detection component (20).

8. A tunnel geological radar advance prediction auxiliary detection vehicle according to claim 1 or 2, characterized in that: The connecting pole (2003) forms a telescopic structure with the installation pole (2001) via a spring (2002), and the installation pole (2001) is arranged in a left-right symmetrical manner with respect to the vertical center axis of the installation outer shell (9).

9. The tunnel geological radar advance prediction auxiliary detection vehicle according to claim 2 is characterized by: A transmission belt (6) is provided at one end of the first transmission rod (4) away from the first drive motor (3), and a second transmission rod (25) parallel to the first transmission rod (4) is provided in the support base (1); the first transmission rod (4) is transmission-connected to the second transmission rod (25) via the transmission belt (6), and moving wheels (5) are symmetrically mounted at both ends of the second transmission rod (25).

10. The tunnel geological radar advance prediction auxiliary detection vehicle according to claim 3, characterized in that: The transmission assembly (13) further comprises a limiting rod (14), wherein the limiting rod (14) passes through the connection block (1301), and both ends of the limiting rod (14) are respectively connected to the outer shell (9).

Citation Information

Patent Citations

  • Active phase switching array

    CN109212515B

  • Tunnel geological radar detection device

    CN219737748U