Nondestructive detection device for tunnel lining

Abstract

The invention discloses a tunnel lining nondestructive detection device, and relates to the technical field of tunnel lining detection, the technical scheme is characterized in that the device comprises a vehicle body and also comprises a top plate, the upper surface of the vehicle body is fixedly connected with a first electric telescopic rod, and the telescopic end of the first electric telescopic rod is fixedly connected to the lower surface of the top plate; the geological radar detector is fixedly connected to the upper surface of the top plate; the grinding block is arranged on the upper side of the top plate and located on one side of the geological radar detector, and a recycling mechanism is arranged on the lower side of the grinding block. The slurry stirring box is fixedly connected to the vehicle body, the recycling mechanism communicates with the slurry stirring box, and the top of the slurry stirring box is fixedly connected with a water tank and a cement loading box. The situation that a worker independently polishes the protruding cement blocks on the lining with the help of a polishing tool is avoided, and manpower and time are saved.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel lining detection, and more particularly to a non-destructive detection device for tunnel lining. Background Art

[0002] Tunnel lining refers to a permanent structure that supports and maintains the long-term stability and durability of the tunnel. Its functions are: to support and maintain the stability of the tunnel; to maintain the space required for train operation; to prevent weathering of the surrounding rock; to eliminate the influence of groundwater, etc. Therefore, the tunnel lining must have sufficient strength, durability and certain anti-freeze, anti-seepage and anti-erosion properties. The tunnel lining is mainly composed of arch rings, side walls, inverts and bottom plates. During the lining trimming process, some parts of the tunnel lining will have protruding cement blocks and cracks.

[0003] However, when the existing non-destructive detection device for tunnel lining is used to detect tunnel lining, when cement blocks appear on the tunnel lining, personnel need to use existing grinding equipment to grind the protruding cement blocks on the lining. When the grinded cement block fragments fall to the ground, they will form construction waste, which not only affects the environment but also causes a waste of resources. Summary of the invention

[0004] In view of the deficiencies in the prior art, an object of the present invention is to provide a non-destructive detection device for tunnel lining.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A non-destructive detection device for tunnel lining, comprising a vehicle body, and further comprising:

[0007] A top plate, the upper surface of the vehicle body being fixedly connected to a first electric telescopic rod, the telescopic end of the first electric telescopic rod being fixedly connected to the lower surface of the top plate;

[0008] A geological radar detector, wherein the geological radar detector is fixedly connected to the upper surface of the top plate;

[0009] A grinding block, wherein the grinding block is arranged on the upper side of the top plate and the grinding block is located on one side of the geological radar detector, and a recovery mechanism is arranged on the lower side of the grinding block;

[0010] A mud mixing box, wherein the mud mixing box is fixedly connected to the vehicle body, the recovery mechanism is connected to the mud mixing box, and a water tank and a cement loading box are fixedly connected to the top of the mud mixing box;

[0011] A mud delivery pump is fixedly connected to the bottom of the mud mixing box, and the output port of the mud delivery pump is fixedly connected to a delivery pipeline, and the upper end of the delivery pipeline is fixedly connected to a first connecting plate, and the first connecting plate is located on the upper side of the top plate.

[0012] Preferably, the wires on the geological radar detector are electrically connected to the display screen on the vehicle body.

[0013] Preferably, the recycling mechanism comprises:

[0014] A collection box, the collection box is fixedly connected to the upper surface of the top plate, the two side walls of the collection box are inclined, a rectangular through hole is opened on the top of the collection box, and the grinding block is rotatably connected to the side walls of the rectangular through hole;

[0015] A first driving motor, wherein the first driving motor is fixedly connected to the outer wall of the collecting box, a gear is fixedly connected to the output shaft of the first driving motor, an outer gear ring is fixedly connected to the outer wall of the grinding block, and the outer gear ring is meshed with the gear;

[0016] A discharge pipe, wherein the discharge pipe is fixedly connected to the bottom of the collecting box, the lower end of the discharge pipe passes through the bottom and the top plate of the collecting box, the lower end of the discharge pipe is fixedly connected with a telescopic pipe, the lower end of the telescopic pipe passes through the top of the mud mixing box and is connected to the mud mixing box.

[0017] Preferably, an arc groove is formed on the side wall of the rectangular through hole, the outer gear ring is located in the arc groove, and one side of one of the arc grooves is open, and the end of the gear passes through the opening of the arc groove and meshes with the outer gear ring;

[0018] There are multiple grinding blocks, and the outer tooth rings on two adjacent grinding blocks are meshed with each other. At least two recovery holes are opened on the grinding block, and the recovery holes are connected to the collection box.

[0019] Preferably, the upper section of the discharge pipe is vertical, the lower section of the discharge pipe is inclined, and a rotating shaft is rotatably connected to the inner side wall of the discharge pipe, a crushing roller is fixedly connected to the rotating shaft, and a second drive motor is fixedly connected to the outer side wall of the discharge pipe, and the output shaft of the second drive motor passes through the side wall of the discharge pipe and is fixedly connected to the rotating shaft.

[0020] Preferably, the bottoms of the water tank and the cement loading box are fixedly connected with a discharge pipe, and the lower end of the discharge pipe passes through the top of the mud mixing box;

[0021] The lower ends of the discharge pipe and the telescopic pipe are both provided with pistons;

[0022] A sliding rod is slidably connected to the inner wall of the mud mixing box, a second connecting plate is horizontally fixedly connected to the sliding rod, and the piston is fixedly connected to the second connecting plate;

[0023] Among them, a strip slide groove is opened on the inner wall of the mud mixing box, the end of the sliding rod is slidably connected in the strip slide groove, and the lower surface of the sliding rod is fixedly connected with a first spring, and the lower end of the first spring is fixedly connected to the bottom of the strip slide groove.

[0024] Preferably, a partition is fixedly connected to the inner wall of the mud mixing box, and the partition divides the interior of the mud mixing box into a mixing chamber and a storage chamber from top to bottom, the lower ends of the discharge pipe and the telescopic pipe are both connected to the mixing chamber, and the mud delivery pump is located in the storage chamber;

[0025] The bottom of the mixing chamber is rotatably connected with a rotating shaft, the upper end of the rotating shaft passes through the top of the mixing chamber, the top of the mud mixing box is fixedly connected with a servo motor, and the output shaft of the servo motor is fixedly connected to the rotating shaft;

[0026] A stirring rod is fixedly connected to the circumferential wall of the rotating shaft.

[0027] Preferably, a discharge port is provided at the bottom of the mixing chamber, a blocking block is inserted into the discharge port, a connecting rod is fixedly connected to the lower end of the blocking block, and the connecting rod cooperates with the rotating shaft;

[0028] A connecting ring is sleeved on the rotating shaft, and the connecting ring can be threadedly connected to the rotating shaft. A moving rod that moves up and down is fixedly connected to the outer ring wall of the connecting ring. A strip groove is opened on the inner side of the mud mixing box. The end of the moving rod is slidably connected in the strip groove, and a second spring is fixedly connected to the bottom of the strip groove. The upper end of the second spring is fixedly connected to the lower surface of the moving rod, and the moving rod is located at the lower side of the sliding rod and cooperates with the sliding rod.

[0029] Preferably, a rectangular slide groove is provided on the inner side wall of the storage chamber, the end of the connecting rod is slidably connected in the rectangular slide groove, the upper surface of the connecting rod is fixedly connected to a limit rod, and the upper end of the limit rod passes through the top of the rectangular slide groove and extends into the strip groove;

[0030] A third spring is fixedly connected to the bottom of the rectangular slide groove, and an upper end of the third spring is fixedly connected to the lower surface of the connecting rod.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] 1. In the present invention, the output shaft of the first driving motor drives the gear to rotate, and meshes to drive the outer gear ring to rotate, and the rotation of the outer gear ring drives the grinding block to rotate. Since the outer gear rings on two adjacent grinding blocks mesh with each other, when the first driving motor drives one of the outer gear rings to rotate through gear meshing, the other outer gear rings and the grinding block are also driven to rotate. When the upper surface of the grinding block contacts the raised cement block on the top lining of the tunnel, the rotation of the grinding block causes friction between the grinding block and the raised cement block on the lining, thereby grinding the raised cement block on the lining, avoiding the staff from grinding the raised cement block on the lining separately with the help of grinding tools, saving manpower and time.

[0033] 2. In the present invention, the output shaft of the servo motor drives the rotating shaft to rotate, and during the rotation of the rotating shaft, the stirring rod is driven to rotate, so that the stirring rod stirs the water, cement block crushed particles and powdered cement in the mixing chamber to form mud, thereby achieving the stirring of the mud.

[0034] 3. In the present invention, the mud in the storage room is pumped upward to the gap on the lining through a mud delivery pump through a delivery pipe, so as to fill the gap on the lining. This not only makes it easy for workers to find the gap on the lining and fill the gap in time, but also can reuse the cement block powder particles after grinding on the lining, reducing the pollution of the cement block particles after grinding to the environment, and also reducing the waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 The overall structure of a non-destructive detection device for tunnel lining proposed by the present invention is shown in FIG. Figure 1 ;

[0036] Figure 2 The overall structure of a non-destructive detection device for tunnel lining proposed by the present invention is shown in FIG. Figure 2 ;

[0037] Figure 3 The present invention provides a schematic diagram of the overall structure of a recovery mechanism in a non-destructive detection device for tunnel linings;

[0038] Figure 4 The present invention provides a cross-sectional schematic diagram of a recovery mechanism in a non-destructive detection device for tunnel lining;

[0039] Figure 5 The present invention proposes a schematic diagram of the internal structure of a mud mixing box in a non-destructive detection device for tunnel lining. Figure 1 ;

[0040] Figure 6The present invention proposes a schematic diagram of the internal structure of a mud mixing box in a non-destructive detection device for tunnel lining. Figure 2 .

[0041] 1. Car body; 2. Top plate; 3. First electric telescopic rod; 4. Geological radar detector; 5. Grinding block; 6. Mud mixing box; 7. Water tank; 8. Cement loading box; 9. Mud delivery pump; 10. Delivery pipeline; 11. First connecting plate; 12. Collection box; 13. Rectangular through hole; 14. First driving motor; 15. Second electric telescopic rod; 16. Gear; 17. External gear ring; 18. Discharge pipeline; 19. Telescopic pipeline; 20. Arc groove; 21. Recovery hole; 22. Rotating shaft; 23. Crushing roller; 24. Second driving motor; 25. Discharge pipe; 26. Piston; 27. Sliding rod; 28. Second connecting plate; 29. ​​Strip slide; 30. First spring; 31. Partition; 32. Mixing chamber; 33. Storage chamber; 34. Rotating shaft; 35. Servo motor; 36. Mixing rod; 37. Discharge port; 38. Block; 39. Connecting rod; 40. Connecting ring; 41. Moving rod; 42. Strip groove; 43. Second spring; 44. Limiting rod; 45. Third spring. DETAILED DESCRIPTION

[0042] Reference Figures 1 to 6 .

[0043] This embodiment further illustrates a non-destructive detection device for tunnel lining proposed by the present invention.

[0044] A non-destructive detection device for tunnel lining comprises a vehicle body 1 and a top plate 2. A first electric telescopic rod 3 is fixedly connected to the upper surface of the vehicle body 1. The telescopic end of the first electric telescopic rod 3 is fixedly connected to the lower surface of the top plate 2. The vehicle body 1 is an electric tricycle in the prior art, which is convenient for a worker to slowly drive the vehicle body 1, thereby controlling the stopping and driving speeds of the vehicle body 1.

[0045] The geological radar detector 4 is fixedly connected to the upper surface of the top plate 2, and a display screen is installed on the vehicle body 1. The wires on the geological radar detector 4 are electrically connected to the display screen, so that the geological radar detector 4 can transmit the detected data to the display screen and display it through the display screen, so that the staff can find abnormal phenomena in the tunnel lining process in time.

[0046] The grinding block 5 is arranged on the upper side of the top plate 2, and the grinding block 5 is located on one side of the geological radar detector 4. A recovery mechanism is arranged on the lower side of the grinding block 5. The upper surface of the grinding block 5 is higher than the top of the geological radar detector 4. In the process of detecting the lining at the top of the tunnel by the geological radar detector 4, the upper surface of the grinding block 5 can contact the lining at the top of the tunnel, thereby facilitating the grinding of the protruding cement blocks on the lining at the top of the tunnel.

[0047] The mud mixing box 6 is fixedly connected to the vehicle body 1, and the recovery mechanism is connected to the mud mixing box 6. The top of the mud mixing box 6 is fixedly connected with a water tank 7 and a cement loading box 8. When the grinding block 5 grinds the protruding cement blocks on the top lining of the tunnel, the coarse-grained mud blocks generated slide down into the recovery mechanism, and then slide down into the mud mixing box 6 through the recovery mechanism, so that the grinded coarse-grained cement is recycled, reducing the waste of resources and also reducing the generation of construction waste.

[0048] A mud delivery pump 9 is fixedly connected to the bottom of the mud mixing box 6, and the output port of the mud delivery pump 9 is fixedly connected to a delivery pipe 10, and the upper end of the delivery pipe 10 is fixedly connected to a first connecting plate 11, and the first connecting plate 11 is located on the upper side of the top plate 2, and a second electric telescopic rod 15 is fixedly connected to the top plate 2, and the movable end of the second electric telescopic rod 15 is fixedly connected to the lower surface of the first connecting plate 11, and the second electric telescopic rod 15 is used to control the distance value between the upper end of the delivery pipe 10 and the lining of the top of the tunnel. When it is necessary to inject cement slurry into the lining of the top of the tunnel, the second electric telescopic rod 15 is started at this time, and the second electric telescopic rod 15 pushes the first connecting plate 11 and the delivery pipe 10 upward, so that the upper end of the delivery pipe 10 is close to the lining of the top of the tunnel, thereby facilitating the pouring of mud into the gap on the lining of the top of the tunnel.

[0049] A through hole is provided on the top plate 2 for the conveying pipe 10 to pass through, so that the upper end of the conveying pipe 10 can move up and down. The portion of the conveying pipe 10 located on the lower side of the top plate 2 is spiral-shaped. When the first electric telescopic rod 3 pushes the top plate 2 upward, the conveying pipe 10 can extend upward, thereby facilitating the upper end of the conveying pipe 10 to move upward as the top plate 2 moves upward.

[0050] The wire on the geological radar detector 4 is electrically connected to the display screen on the vehicle body 1 .

[0051] The recycling mechanism includes a collecting box 12, which is fixedly connected to the upper surface of the top plate 2. The two side walls of the collecting box 12 are inclined. A rectangular through hole 13 is opened on the top of the collecting box 12. The grinding block 5 is rotatably connected to the side wall of the rectangular through hole 13. The collecting box 12 is an inverted trapezoid, which is convenient for collecting the cement block debris ground on the grinding block 5 and for recycling the ground cement blocks, thereby preventing the ground cement block debris from falling to the ground and preventing the ground cement blocks from polluting the environment.

[0052] The first drive motor 14 is fixedly connected to the outer wall of the collecting box 12, the output shaft of the first drive motor 14 is fixedly connected to the gear 16, the outer wall of the grinding block 5 is fixedly connected to the outer gear ring 17, the outer gear ring 17 is meshed with the gear 16, and since the gear 16 is meshed with the outer gear ring 17, when the first drive motor 14 drives the gear 16 to rotate, the outer gear ring 17 and the grinding block 5 are driven to rotate, and the grinding block 5 generates friction with the protruding cement blocks on the top lining of the tunnel during the rotation, thereby grinding the protruding cement blocks on the top lining of the tunnel.

[0053] The discharge pipe 18 is fixedly connected to the bottom of the collecting box 12. The lower end of the discharge pipe 18 passes through the bottom of the collecting box 12 and the top plate 2. The lower end of the discharge pipe 18 is fixedly connected with a telescopic pipe 19. The lower end of the telescopic pipe 19 passes through the top of the mud mixing box 6 and is connected to the mud mixing box 6. The upper end of the discharge pipe 18 is flush with the upper surface of the bottom plate of the collecting box 12, so that the cement blocks collected on the inclined plates on both sides of the collecting box 12 can slide down into the discharge pipe 18 through the inclined side walls of the collecting box 12.

[0054] An arc groove 20 is provided on the side wall of the rectangular through hole 13, and the outer toothed ring 17 is located in the arc groove 20, and one side of one of the arc grooves 20 is open. The end of the gear 16 passes through the opening of the arc groove 20 and meshes with the outer toothed ring 17. The end of the outer toothed ring 17 is located in the arc groove 20. The arc groove 20 supports the end of the outer toothed ring 17, so that the grinding block 5 is rotatably connected to the side wall of the rectangular through hole 13.

[0055] There are multiple grinding blocks 5, and the outer tooth rings 17 on two adjacent grinding blocks 5 are meshed. At least two recovery holes 21 are opened on the grinding block 5, and the recovery holes 21 are connected to the collection box 12. When the grinding block 5 grinds the cement blocks protruding from the tunnel top lining, the grinded debris slides downward through the recovery holes 21 and the gap between the grinding block 5 and the side wall of the rectangular through hole 13 to the collection box 12, thereby achieving the grinding and collection of the cement blocks protruding from the tunnel lining.

[0056] The upper section of the discharge pipe 18 is vertical, the lower section of the discharge pipe 18 is inclined, and a rotating shaft 22 is rotatably connected to the inner wall of the discharge pipe 18, a crushing roller 23 is fixedly connected to the rotating shaft 22, and a second drive motor 24 is fixedly connected to the outer wall of the discharge pipe 18, and the output shaft of the second drive motor 24 passes through the side wall of the discharge pipe 18 and is fixedly connected to the rotating shaft 22. When the larger cement blocks pass downward through the crushing roller 23, the crushing roller 23 crushes the larger cement blocks, and the crushed cement blocks slide down the inclined surface of the discharge pipe 18 into the telescopic pipe 19, and then slide downward into the mud mixing box 6 through the telescopic pipe 19, thereby realizing the grinding, crushing and recycling of the protruding cement blocks on the tunnel lining.

[0057] The bottom of the water tank 7 and the cement loading box 8 are fixedly connected with a discharge pipe 25, the lower end of the discharge pipe 25 passes through the top of the mud mixing box 6, the water tank 7 is used to load water, and the cement loading box 8 is used to load powdered cement, and feed ports are provided on the water tank 7 and the cement loading box 8. The feed ports are covered with a cover body, which is convenient for injecting clean water into the water tank 7 and loading powdered cement into the cement loading box 8, so as to replenish water and cement in the water tank 7 and the cement loading box 8 in time.

[0058] A piston 26 is inserted into the lower end of the discharge pipe 25 and the telescopic pipe 19 to facilitate closing the lower end of the discharge pipe 25 and the telescopic pipe 19 .

[0059] A sliding rod 27 is slidably connected to the inner wall of the mud mixing box 6 , a second connecting plate 28 is horizontally fixedly connected to the sliding rod 27 , and the piston 26 is fixedly connected to the second connecting plate 28 .

[0060] Among them, a strip slide groove 29 is opened on the inner wall of the mud mixing box 6, the end of the sliding rod 27 is slidably connected in the strip slide groove 29, and the lower surface of the sliding rod 27 is fixedly connected with a first spring 30, and the lower end of the first spring 30 is fixedly connected to the bottom of the strip slide groove 29. The natural state of the first spring 30 is an extended state, and when the first spring 30 is in the natural state, the upper surface of the sliding rod 27 contacts the top of the strip slide groove 29. At this time, the piston 26 is inserted into the lower port of the discharge pipe 25 and the telescopic pipe 19.

[0061] A partition 31 is fixedly connected to the inner wall of the mud mixing box 6, and the partition 31 divides the interior of the mud mixing box 6 into a mixing chamber 32 and a storage chamber 33 from top to bottom. The lower ends of the discharge pipe 25 and the telescopic pipe 19 are both connected to the mixing chamber 32, and the mud delivery pump 9 is located in the storage chamber 33.

[0062] The bottom of the mixing chamber 32 is rotatably connected to a rotating shaft 34, and the upper end of the rotating shaft 34 passes through the top of the mixing chamber 32. The top of the mud mixing box 6 is fixedly connected to a servo motor 35, and the output shaft of the servo motor 35 is fixedly connected to the rotating shaft 34. The servo motor 35 can easily drive the rotating shaft 34 to rotate forward and reverse.

[0063] A stirring rod 36 is fixedly connected to the circumferential wall of the rotating shaft 34 , and the stirring rod 36 is used to stir the water, cement and cement block crushed materials in the stirring chamber 32 to form mud.

[0064] A discharge port 37 is provided at the bottom of the mixing chamber 32, and a blocking block 38 is inserted in the discharge port 37. A connecting rod 39 is fixedly connected to the lower end of the blocking block 38. The connecting rod 39 cooperates with the rotating shaft 34. The blocking block 38 is used to control the opening and closing of the discharge port 37 to facilitate the mixed mud in the mixing chamber 32 to flow downward into the storage chamber 33.

[0065] A connecting ring 40 is sleeved on the rotating shaft 34, and the connecting ring 40 can be threadedly connected to the rotating shaft 34. A moving rod 41 that moves up and down is fixedly connected to the outer ring wall of the connecting ring 40. A strip groove 42 is opened on the inner side of the mud mixing box 6. The end of the moving rod 41 is slidably connected in the strip groove 42, and a second spring 43 is fixedly connected to the bottom of the strip groove 42. The upper end of the second spring 43 is fixedly connected to the lower surface of the moving rod 41, and the moving rod 41 is located at the lower side of the sliding rod 27 and cooperates with the sliding rod 27. An inner ring wall of the connecting ring 40 is provided with an inner concave internal thread, and a circumferential wall of the rotating shaft 34 is provided with an outer thread protruding outward, and the inner thread and the outer thread cooperate with each other. When the rotating shaft 34 rotates forward, the rotating shaft 34 drives the connecting ring 40 to move downward through the cooperation of the inner thread and the outer thread. The restriction of the moving rod 41 can effectively prevent the moving rod 41 and the connecting ring 40 from rotating with the rotation of the rotating shaft 34 during the process of the rotating shaft 34 driving the connecting ring 40 to move downward. When the rotating shaft 34 rotates in the opposite direction, the connecting ring 40 is driven to move upward by the matching rotating shaft 34 of the internal thread and the external thread, thereby facilitating the restoration of the position of the connecting ring 40, wherein the natural state of the second spring 43 is the extended state. During the process of the rotating shaft 34 driving the connecting ring 40 to drive the moving rod 41 to move downward, the moving rod 41 presses the second spring 43 downward, that is, the second spring 43 gradually becomes contracted. During the process of the moving rod 41 moving upward, the second spring 43 pushes the moving rod 41 upward through the elastic force of the second spring 43, so that the moving rod 41 drives the connecting ring 40 to move upward to the upper side of the external thread on the rotating shaft 34.

[0066] A rectangular slot is provided on the inner wall of the storage chamber 33 , and the end of the connecting rod 39 is slidably connected in the rectangular slot. A limiting rod 44 is fixedly connected to the upper surface of the connecting rod 39 , and the upper end of the limiting rod 44 passes through the top of the rectangular slot and extends into the strip groove 42 .

[0067] A third spring 45 is fixedly connected to the bottom of the rectangular chute, and the upper end of the third spring 45 is fixedly connected to the lower surface of the connecting rod 39. The natural state of the third spring 45 is an extended state, and in the natural state of the third spring 45, the upper surface of the connecting rod 39 is in contact with the top of the rectangular chute, and the blocking block 38 is inserted in the discharge port 37.

[0068] Working principle: When it is necessary to perform non-destructive testing on the lining on the top of the tunnel, the staff can slowly drive the vehicle body 1 from the entrance on one side of the tunnel to the exit on the other side. When the vehicle body 1 drives into the tunnel, the staff starts the first electric telescopic rod 3, and the moving end of the first electric telescopic rod 3 extends upward, and pushes the top plate 2 upward, so that the grinding block 5 contacts the top of the tunnel, and at the same time makes the geological radar detector 4 close to the top of the tunnel, so as to facilitate the geological radar detector 4 to detect the lining on the top of the tunnel, and start the first drive motor 14. The output shaft of the first drive motor 14 drives the gear 16 to rotate, and engages to drive the outer gear ring 17 to rotate. The rotation of the outer gear ring 17 drives the rotation of the grinding block 5. Since the outer gear rings 17 on two adjacent grinding blocks 5 are meshed with each other, when the first drive motor 14 drives one of the outer gear rings 17 to rotate through the meshing of the gear 16, the rotation of the other outer gear rings 17 and the grinding block 5 will also be driven. When the upper surface of the grinding block 5 contacts the raised cement blocks on the top lining of the tunnel, the rotation of the grinding block 5 causes friction between the grinding block 5 and the raised cement blocks on the lining, thereby grinding the raised cement blocks on the lining, avoiding the need for staff to grind the raised cement blocks on the lining separately with the help of grinding tools, thereby saving manpower and time.

[0069] The cement block powder and particles generated in the process of grinding the protruding cement blocks on the lining by the grinding block 5 slide down into the collecting box 12 through the recovery hole 21 on the grinding block 5 and the gap between the grinding block 5 and the side wall of the rectangular through hole 13, and slide down into the mixing chamber 32 through the discharge pipe 18 and the telescopic pipe 19 at the bottom of the collecting box 12. When the larger cement block crushed particles pass through the crushing roller 23, the second drive motor 24 is started at this time, and the output shaft of the second drive motor 24 drives the rotating shaft 22 and the crushing roller 23 to rotate, and the crushing roller 23 crushes the larger cement block crushed particles, thereby reducing the particle size value of the cement block crushed particles.

[0070] When the crushed cement powder particles slide down onto the piston 26 in the telescopic pipe 19, as the cement powder particles on the piston 26 increase, the weight of the piston 26 increases. When the weight value of the piston 26 is greater than the support value of the first spring 30 in the natural state, the piston 26 slides downward and drives the second connecting plate 28 and the sliding rod 27 to slide downward, and at the same time drives the piston 26 in the discharge pipe 25 to slide downward. As the sliding rod 27 moves downward, the first spring 30 gradually shrinks. At this time, the lower ports of the telescopic pipe 19 and the discharge pipe 25 are both open, and the telescopic pipe 19 is closed. The crushed cement particles in 9 slide downward into the mixing chamber 32 through the gap between the telescopic pipe 19 and the piston 26, while the water in the water tank 7 and the powdered cement in the cement loading box 8 slide downward into the mixing chamber 32 through the gap between the piston 26 and the discharge pipe 25. At this time, the servo motor 35 is turned on, and the output shaft of the servo motor 35 drives the rotating shaft 34 to rotate. During the rotation of the rotating shaft 34, the stirring rod 36 is driven to rotate, so that the stirring rod 36 stirs the water, the crushed cement particles and the powdered cement in the mixing chamber 32 to form mud, thereby achieving the stirring of the mud.

[0071] Since the end of one of the moving rods 41 is located at the lower side of the sliding rod 27, the sliding rod 27 will push the moving rod 41 downward during the downward sliding of the sliding rod 27, so that the moving rod 41 drives the connecting ring 40 to move downward. When the internal thread on the connecting ring 40 contacts the external thread on the rotating shaft 34, the external thread and the internal thread are engaged with each other due to the rotation of the rotating shaft 34. At the same time, the strip groove 42 blocks the end of the moving rod 41, thereby preventing the moving rod 41 and the connecting ring 40 from moving along with the rotating shaft 34. 4 rotates, so during the rotation of the rotating shaft 34, the connecting ring 40 is driven to move downward by the restriction of the thread. When the end of the other moving rod 41 contacts the limiting rod 44, the moving rod 41 drives the limiting rod 44 to slide downward, so that the limiting rod 44 pushes the connecting rod 39 and the blocking block 38 downward. When the blocking block 38 is separated from the discharge port 37, the third spring 45 is in a contracted state, and the mud that has been stirred flows downward through the discharge port 37 into the storage chamber 33, and when the connecting ring 40 moves downward, the mud will be rotated by the rotation of the rotating shaft 34. When the servo motor 35 drives the shaft 34 to rotate in the opposite direction, the upper end of the internal thread on the connecting ring 40 contacts the lower end of the external thread on the shaft 34 due to the upward elastic force of the second spring 43. During the reverse rotation of the shaft 34, the connecting ring 40 is driven to move upward by the restriction of the thread. When the connecting ring 40 moves to the upper end of the external thread on the shaft 34, the elastic force of the second spring 43 causes the second spring 43 to move upward. 43 pushes the moving rod 41 upward, at this time, the second spring 43 returns to its natural state, thereby preventing the servo motor 35 from continuing to drive the connecting ring 40 and the moving rod 41 to move downward while continuing to drive the rotating shaft 34 to rotate forward. Due to the elastic force of the third spring 45, when the limiting rod 44 breaks away from the downward pushing force of the moving rod 41, the third spring 45 pushes the connecting rod 39 upward, driving the blocking block 38 to move upward, so that the blocking block 38 is inserted into the discharge port 37, thereby achieving the closure of the discharge port 37.

[0072] When the geological radar detector 4 detects a gap in the lining at the top of the tunnel, the second electric telescopic rod 15 and the mud delivery pump 9 are started. The second electric telescopic rod 15 pushes the first connecting plate 11 upward so that the upper end of the delivery pipe 10 is opposite to the gap in the lining, and the mud delivery pump 9 pumps the mud in the storage chamber 33 upward through the delivery pipe 10 to the gap in the lining, thereby filling the gap in the lining. This not only makes it easier for staff to find the gap in the lining and fill the gap in time, but also allows the polished cement block powder particles on the lining to be reused, reducing the pollution of the polished cement block particles to the environment, and also reducing the waste of resources.

[0073] Among them, a camera is fixedly connected to the top plate 2, and the camera is connected to the display screen on the vehicle body 1 through a signal. The staff can observe the size of the gap through the display screen, which can not only control the amount of mud output by the mud delivery pump 9, but also facilitate the staff to observe the position of the gap on the lining and the delivery pipeline 10, so as to fill the gap on the lining with mud.

[0074] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A non-destructive inspection device for tunnel lining, comprising a vehicle body (1), characterized in that: Also includes: A top plate (2), the upper surface of the vehicle body (1) being fixedly connected to a first electric telescopic rod (3), the telescopic end of the first electric telescopic rod (3) being fixedly connected to the lower surface of the top plate (2); A geological radar detector (4), wherein the geological radar detector (4) is fixedly connected to the upper surface of the top plate (2); A grinding block (5), wherein the grinding block (5) is arranged on the upper side of the top plate (2), and the grinding block (5) is located on one side of the geological radar detector (4), and a recovery mechanism is arranged on the lower side of the grinding block (5); A mud mixing box (6), the mud mixing box (6) is fixedly connected to the vehicle body (1), the recovery mechanism is connected to the mud mixing box (6), and the top of the mud mixing box (6) is fixedly connected to a water tank (7) and a cement loading box (8); A mud delivery pump (9), wherein the mud delivery pump (9) is fixedly connected to the bottom of the mud mixing box (6), and the output port of the mud delivery pump (9) is fixedly connected to a delivery pipe (10), and the upper end of the delivery pipe (10) is fixedly connected to a first connecting plate (11), and the first connecting plate (11) is located on the upper side of the top plate (2).

2. The non-destructive detection device for tunnel lining according to claim 1, characterized in that: The wire on the geological radar detector (4) is electrically connected to the display screen on the vehicle body (1).

3. The non-destructive detection device for tunnel lining according to claim 2, characterized in that: The recycling mechanism comprises: A collection box (12), the collection box (12) is fixedly connected to the upper surface of the top plate (2), the two side walls of the collection box (12) are inclined, a rectangular through hole (13) is opened on the top of the collection box (12), and the grinding block (5) is rotatably connected to the side walls of the rectangular through hole (13); A first drive motor (14), the first drive motor (14) being fixedly connected to the outer wall of the collection box (12), a gear (16) being fixedly connected to the output shaft of the first drive motor (14), an outer gear ring (17) being fixedly connected to the outer wall of the grinding block (5), and the outer gear ring (17) being meshed with the gear (16); A discharge pipe (18), wherein the discharge pipe (18) is fixedly connected to the bottom of the collection box (12), the lower end of the discharge pipe (18) passes through the bottom of the collection box (12) and the top plate (2), the lower end of the discharge pipe (18) is fixedly connected to a telescopic pipe (19), the lower end of the telescopic pipe (19) passes through the top of the mud mixing box (6) and is in communication with the mud mixing box (6).

4. The non-destructive detection device for tunnel lining according to claim 3 is characterized in that: An arc-shaped groove (20) is formed on the side wall of the rectangular through hole (13), the outer toothed ring (17) is located in the arc-shaped groove (20), and one side of one of the arc-shaped grooves (20) is open, and the end of the gear (16) passes through the opening of the arc-shaped groove (20) and meshes with the outer toothed ring (17); There are multiple grinding blocks (5), and the outer toothed rings (17) on two adjacent grinding blocks (5) are meshed with each other. At least two recovery holes (21) are provided on the grinding blocks (5), and the recovery holes (21) are connected to the collection box (12).

5. The non-destructive detection device for tunnel lining according to claim 4, characterized in that: The upper section of the discharge pipe (18) is vertical, the lower section of the discharge pipe (18) is inclined, and a rotating shaft (22) is rotatably connected to the inner side wall of the discharge pipe (18), a crushing roller (23) is fixedly connected to the rotating shaft (22), and a second drive motor (24) is fixedly connected to the outer side wall of the discharge pipe (18), and an output shaft of the second drive motor (24) passes through the side wall of the discharge pipe (18) and is fixedly connected to the rotating shaft (22).

6. The non-destructive detection device for tunnel lining according to claim 5, characterized in that: The bottoms of the water tank (7) and the cement loading box (8) are fixedly connected with a discharge pipe (25), and the lower end of the discharge pipe (25) passes through the top of the mud mixing box (6); The lower ends of the discharge pipe (25) and the telescopic pipe (19) are both provided with pistons (26); A sliding rod (27) is slidably connected to the inner wall of the mud mixing box (6), a second connecting plate (28) is horizontally fixedly connected to the sliding rod (27), and the piston (26) is fixedly connected to the second connecting plate (28); A strip slide groove (29) is provided on the inner wall of the mud mixing box (6), the end of the sliding rod (27) is slidably connected in the strip slide groove (29), and a first spring (30) is fixedly connected to the lower surface of the sliding rod (27), and the lower end of the first spring (30) is fixedly connected to the bottom of the strip slide groove (29).

7. The non-destructive detection device for tunnel lining according to claim 6, characterized in that: A partition (31) is fixedly connected to the inner wall of the mud mixing box (6), and the partition (31) divides the interior of the mud mixing box (6) into a mixing chamber (32) and a storage chamber (33) from top to bottom. The lower ends of the discharge pipe (25) and the telescopic pipe (19) are both connected to the mixing chamber (32), and the mud delivery pump (9) is located in the storage chamber (33); The bottom of the mixing chamber (32) is rotatably connected to a rotating shaft (34), the upper end of the rotating shaft (34) passes through the top of the mixing chamber (32), the top of the mud mixing box (6) is fixedly connected to a servo motor (35), and the output shaft of the servo motor (35) is fixedly connected to the rotating shaft (34); A stirring rod (36) is fixedly connected to the circumferential wall of the rotating shaft (34).

8. The non-destructive detection device for tunnel lining according to claim 7, characterized in that: The bottom of the mixing chamber (32) is provided with a discharge port (37), a blocking block (38) is inserted into the discharge port (37), a connecting rod (39) is fixedly connected to the lower end of the blocking block (38), and the connecting rod (39) is matched with the rotating shaft (34); The rotating shaft (34) is sleeved with a connecting ring (40), and the connecting ring (40) can be threadedly connected to the rotating shaft (34). A moving rod (41) that moves up and down is fixedly connected to the outer ring wall of the connecting ring (40). A strip groove (42) is opened on the inner side of the mud mixing box (6). The end of the moving rod (41) is slidably connected in the strip groove (42), and a second spring (43) is fixedly connected to the bottom of the strip groove (42). The upper end of the second spring (43) is fixedly connected to the lower surface of the moving rod (41), and the moving rod (41) is located at the lower side of the sliding rod (27) and cooperates with the sliding rod (27).

9. The non-destructive detection device for tunnel lining according to claim 8, characterized in that: A rectangular slide groove is provided on the inner side wall of the storage chamber (33), the end of the connecting rod (39) is slidably connected in the rectangular slide groove, the upper surface of the connecting rod (39) is fixedly connected to a limiting rod (44), and the upper end of the limiting rod (44) passes through the top of the rectangular slide groove and extends into the strip groove (42); A third spring (45) is fixedly connected to the bottom of the rectangular slide groove, and the upper end of the third spring (45) is fixedly connected to the lower surface of the connecting rod (39).

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