Second lining radar scanning detection lifting equipment for operated railway tunnel
By designing a railway tunnel inspection device that includes walking, lifting, and adjustment mechanisms, the high-risk problem of secondary lining inspection in operational railway tunnels has been solved, enabling convenient and efficient radar scanning inspection and reducing costs and safety risks.
Patent Information
- Application Number
- CN202511900287.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-16
- Publication Date
- 2026-01-16
AI Technical Summary
The lack of mature, operational railway tunnel secondary lining inspection lifting equipment in the existing technology leads to problems such as high risk at high altitudes, high noise, high exhaust emissions, unstable movement, traffic interference, high cost, and inflexible wiring during the inspection process.
Design a detection device that includes a walking device, a lifting device, an adjusting device, and an auxiliary device. The device moves on railway rails using insulated wheels, supports the detection instrument and adjusts its angle using the lifting device, and uses a laser emitter to indicate its position, thereby achieving radar scanning detection.
It enables convenient and efficient inspection on railway rails, avoids high-altitude operations, improves inspection efficiency, and reduces safety risks and costs.
Smart Images
Figure CN121346136A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of tunnel detection, in particular to a radar scanning detection lifting device for secondary lining of an operated railway tunnel. BACKGROUND
[0002] The statements herein merely provide background technology related to the present application, and do not necessarily constitute prior art.
[0003] In the operation and maintenance of a railway tunnel, the quality detection (such as compactness and cavity detection) of the secondary lining is crucial. At present, there is no mature and available detection lifting device for the secondary lining of a tunnel. In a tunnel under construction, a detection frame is generally set up on a loader, and personnel climb to work, or a municipal street lamp maintenance lifting vehicle is used. It is very difficult to complete the detection in an operated tunnel.
[0004] The existing conventional detection frame is used for the detection auxiliary personnel to stand on the detection frame and hold with arms, which is high-altitude and high-risk operation. The existing conventional detection frame has the following problems: (1) the detection frame is set up on a loader or a rear eight-wheel vehicle, which has the problems of loud noise, large exhaust, unstable walking, traffic delay, and flexible arrangement of the measurement line; (2) the detection is assisted by a climbing vehicle, and since the detection process needs to be moved at a constant speed, the supporting legs cannot be extended and fixed, which has the safety risks of instability and hydraulic failure; and (3) the use of large machinery has the problems of high cost of a shift, and inflexible wiring.
[0005] Therefore, the present application provides a radar scanning detection lifting device for the secondary lining of an operated railway tunnel to solve the above problems. SUMMARY
[0006] The main purpose of the present application is to provide a radar scanning detection lifting device for the secondary lining of an operated railway tunnel.
[0007] To achieve the above purpose, the technical scheme of the present application is as follows: a radar scanning detection lifting device for the secondary lining of an operated railway tunnel, comprising a walking device capable of moving on a railway rail, a lifting device arranged on the top of the walking device, and an adjusting device for adjusting the detection angle of a detection instrument relative to the surface of the tunnel lining supported by the lifting device, an auxiliary device arranged synchronously at the front end of the adjusting device for fixing the detection instrument and keeping the radar antenna of the detection instrument in contact with the surface of the tunnel lining.
[0008] Further, the walking device comprises a base, four insulating wheels adapted to the railway rail are installed on the bottom of the base, and two insulating wheels in each group are arranged with an axle between them, and the axle is installed on the base.
[0009] Still further, the walking device further comprises a brake installed on the base, and the brake is used for braking the insulating wheels on the railway rail.
[0010] Further, the lifting device comprises a vertical rod arranged on the top of the base, a plurality of inclined struts are arranged equidistantly along the circumference of the vertical rod between the outer wall of the vertical rod and the top of the base, and the adjusting device is rotatably arranged on the top of the inclined struts.
[0011] Further, the adjusting device comprises a front rod, a middle rod and a rear end counterweight rod connected in sequence, the middle rod is rotatably connected between the outer wall bottom side of the middle rod and the top of the vertical rod, the rear end counterweight rod is used for suspending a counterweight and is held by an operator for control, and the front rod is connected with the auxiliary device at the end away from the middle rod.
[0012] Further, the adjusting device further comprises a bending-resistant reinforcing assembly, the bending-resistant reinforcing assembly comprises a support rod and a steel wire, the support rod is vertically fixed on the top side of the outer wall of the middle rod, the steel wire crosses the top of the support rod, and the two ends of the steel wire are respectively fixed on the front end and the rear end of the middle rod.
[0013] Further, the auxiliary device comprises an instrument fixing frame used for clamping and fixing a detection instrument, and the instrument fixing frame is movably arranged on the end of the front rod away from the middle rod.
[0014] Further, the end of the front rod away from the middle rod is detachably provided with a first universal ball, and the front rod is connected with the instrument fixing frame through the first universal ball.
[0015] Further, a limiting groove is arranged on the instrument fixing frame, and a positioning bolt connected with a detection instrument is arranged in the limiting groove.
[0016] Further, a laser emitter is arranged on the front rod, and the beam direction of the laser emitter points to the side wall of the tunnel, and is used for indicating the current longitudinal distance position of the detection instrument.
[0017] The beneficial effects of the present application are embodied in: The lifting device for radar scanning detection of the secondary lining of the operated railway tunnel of the present application can conveniently and efficiently assemble each device on the railway rail during detection, then the detection personnel can send the radar antenna of the detection instrument to the position closely attached to the surface of the tunnel lining by pressing the rear end counterweight rod, and then the detection can be started by advancing and retreating along the railway rail, the detection efficiency is high, high-altitude operation is not needed, detection safety accidents are eliminated, and the detection cost is low. BRIEF DESCRIPTION OF DRAWINGS
[0018] In the drawings: Figure 1 It is a structure schematic view of the lifting device in the detection state after being assembled in the tunnel as a whole; Figure 2 It is a structure schematic view of the lifting device in the assembled state as a whole; Figure 1 It is a structure schematic view of the lifting device in the assembled state as a whole;Figure 3 Figure 1 is a schematic view of the top structure of the walking device in the present application; Figure 2 Figure 2 is a schematic view of the front structure of the lifting device in the present application; Figure 4 Figure 3 is a schematic view of the front structure of the adjusting device in the present application; Figure 2 Figure 4 is a schematic view of the front structure of the auxiliary device in the present application; Figure 5 Figure 5 is a schematic view of the structure of the first universal ball and ball seat in the present application; Figure 2 Figure 6 is a schematic view of the structure of the adjusting device in the present application; Figure 6 Figure 7 is a schematic view of the structure of the auxiliary device in the present application; Figure 2 Figure 8 is a schematic view of the structure of the first universal ball and ball seat in the present application. Figure 7 Figure 9 is a schematic view of the structure of the adjusting device in the present application; Figure 5 Figure 10 is a schematic view of the structure of the auxiliary device in the present application.
[0019] Figure 1 is a schematic view of the top structure of the walking device in the present application; 100, tunnel lining surface; 1, railway rail; 10, walking device; 11, base; 12, insulated wheel; 13, wheel shaft; 20, lifting device; 21, vertical rod; 22, inclined strut; 23, connector; 30, adjusting device; 31, front rod; 32, middle rod; 33, rear end counterweight rod; 34, support rod; 35, steel wire; 37, laser emitter; 40, auxiliary device; 41, instrument fixing frame; 42, first universal ball; 421, clamp; 422, fixing screw; 423, ball seat; 43, positioning bolt; 44, limiting groove; 45, reserved bolt hole. DETAILED DESCRIPTION
[0020] The present application will be further described below in conjunction with the drawings and examples. Obviously, the described examples are only a part of the examples of the present application, but not all the examples. The examples in the present application and the features in the examples can be combined with each other without conflict. Based on the examples in the present application, all the other examples obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0021] Please combine Figures 1 to 7 the radar scanning detection lifting device for the secondary lining of the operated railway tunnel, which comprises a walking device 10 capable of moving on the railway rail 1, a lifting device 20 arranged on the top of the walking device 10, and an adjusting device 30 supported by the lifting device 20 for adjusting the detection angle of the detection instrument relative to the tunnel lining surface 100, and an auxiliary device 40 arranged synchronously at the front end of the adjusting device 30 for fixing the detection instrument and keeping the radar antenna of the detection instrument in contact with the tunnel lining surface 100.
[0022] In the implementation, when detecting, the assembled device is placed on the railway rail 1, the device is pushed to the detection starting position, and the position of the walking device 10 on the railway rail 1 is fixed by the brake; the operator presses or jacks up the rear end counterweight rod 33 on the adjusting device 30 by manual operation, so that the rear end counterweight rod 33 drives the middle rod 32 to rotate around the center of the top of the lifting device 20, to adjust the height and angle of the auxiliary device 40 and the detection instrument on the front rod 31, so that the detection instrument closely contacts the tunnel lining surface 100; the laser emitter 37 on the detection instrument and the adjusting device 30 is started, the brake of the walking device 10 is released, and the walking device 10 is pushed to walk at a uniform speed along the railway rail 1, the laser emitter 37 indicates the detection position in real time, ensures that the detection mileage is accurately corresponding, and completes the radar scanning detection of the tunnel secondary lining.
[0023] In an embodiment, the walking device 10 serves as a bearing base of the device, and includes a base 11, four insulating wheels 12 adapted to the railway rail 1 are installed at the bottom of the base 11, and two insulating wheels 12 in each group are provided with an axle 13 between them, and the axle 13 is installed on the base 11.
[0024] It should be noted that the rim shape of the insulating wheel 12 matches the railway rail 1, and the wheelbase of the axle 13 is consistent with the standard railway track gauge; the insulating wheel 12 is made of insulating material or coated with an insulating layer on the surface, for blocking the track circuit.
[0025] The walking device 10 further includes a brake installed on the base 11, which is used to brake the insulating wheel 12 on the railway rail 1, to prevent the lifting device from slipping on the railway rail 1.
[0026] In an embodiment, the lifting device 20 is used to transfer load and ensure the stability of the device, and includes a vertical rod 21 arranged at the top of the base 11, a plurality of inclined struts 22 are equidistantly arranged along the circumference of the vertical rod 21 between the outer wall of the vertical rod 21 and the top of the base 11, and the adjusting device 30 is rotationally arranged at the top of the inclined struts 22.
[0027] It should be noted that the vertical rod 21 is vertically installed at the center of the top of the base 11 by bolts. The inclined struts 22 are provided with four, and the bottom ends of the four inclined struts 22 are fixed to the four corners of the base 11, and the top ends of the four inclined struts 22 converge and are connected to the middle upper part of the vertical rod 21, forming a stable support structure.
[0028] The top of the vertical rod 21 is provided with a connector 23, which can be a hinge or a second universal ball, and the top end of the vertical rod 21 is connected to the bottom side of the middle outer wall of the middle rod 32 through the connector 23, so that the adjusting device 30 can perform horizontal rotation or vertical pitching motion around the top of the vertical rod 21.
[0029] In an embodiment, the adjusting device 30 comprises a front rod 31, a middle rod 32 and a rear end counterweight rod 33 connected in sequence, the middle rod 32 is rotationally connected between the bottom side of the outer wall of the middle rod 32 and the top of the vertical rod 21, the rear end counterweight rod 33 is used for hanging counterweight blocks and is held by the operator for control, and the front rod 31 is connected with the auxiliary device 40 at the end away from the middle rod 32. The laser emitter 37 can be installed at the end of the front rod 31 and debugged normally.
[0030] In an embodiment, the adjusting device 30 further comprises a bending-resistant reinforcing assembly. The bending-resistant reinforcing assembly comprises a support rod 34 fixed vertically on the top side of the outer wall of the middle rod 32 and a steel wire 35 spanning over the top of the support rod 34, and the two ends of the steel wire 35 are respectively fixed tightly on the front and rear ends of the middle rod 32 to form a prestressed truss structure, which can prevent the middle rod 32 from deforming.
[0031] In an embodiment, the auxiliary device 40 comprises an instrument fixing frame 41 for clamping and fixing the detection instrument, and the instrument fixing frame 41 is movably arranged on the end of the front rod 31 away from the middle rod 32.
[0032] It should be noted that the end of the front rod 31 away from the middle rod 32 is detachably provided with a first universal ball 42, and the front rod 31 is connected with the instrument fixing frame 41 through the first universal ball 42. The first universal ball 42 is sleeved on the end of the front rod 31 through a clamp 421 and is fastened, a reserved bolt hole 45 is formed on the instrument fixing frame 41, the clamp 421 is provided with a ball seat 423 at the end away from the front rod 31, the first universal ball 42 is movably arranged in the ball seat 423, and the end of the first universal ball 42 away from the ball seat 423 is provided with a fixing screw 422 matched with the reserved bolt hole 45, so that the instrument fixing frame 41 is connected with the first universal ball 42 through the fixing screw 422 and the reserved bolt hole 45.
[0033] The instrument fixing frame 41 is connected with the front rod 31 through the first universal ball 42. When the radar antenna contacts the arched tunnel wall, the antenna will automatically deflect until the bottom surface completely adheres to the lining surface due to the presence of the first universal ball 42, without the need for frequent manual adjustment of the angle.
[0034] In an embodiment, the instrument fixing frame 41 is provided with a limiting groove 44, and a positioning bolt 43 connected and positioned with the detection instrument is arranged in the limiting groove 44. According to the model of the detection instrument, the position of the positioning bolt 43 in the limiting groove 44 is adjusted to fix the detection instrument on the instrument fixing frame 41.
[0035] In an embodiment, the front rod 31 is provided with a laser emitter 37, and the beam direction of the laser emitter 37 points to the side wall of the tunnel, which is used to indicate the current longitudinal mileage position of the detection instrument. During operation, the laser point is shot on the tunnel side wall. The detection personnel only need to record the tunnel mark mileage corresponding to the laser point (for example, K100+010), and the specific position of the overhead radar data can be accurately known.
[0036] In summary, the working principle of the embodiment is as follows: During detection operation, the assembled device is placed on the railway rail 1, the device is pushed to the detection starting position, the device is fixed by the brake, the operator controls the middle rod 32 by the rear counterweight rod 33 to adjust the height and angle of the detection instrument, so that the instrument is closely attached to the tunnel lining surface 100, the detection instrument and the laser emitter 37 are started, the brake is released, and the device is pushed to walk at a constant speed along the railway rail 1, the laser emitter 37 indicates the detection position in real time, ensures that the detection mileage is accurately corresponding, and completes the radar scanning detection of the tunnel secondary lining.
[0037] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
[0038] It should be noted that if the invention embodiments involve directional indications (such as up and down), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), if the certain posture changes, the directional indications also change accordingly.
[0039] In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously meet the scheme. In addition, if the invention embodiments involve "first", "second", etc. description, the "first", "second", etc. description is only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, "multiple" means two or more. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope of the invention.
Claims
1. A second lining radar scanning detection lifting device for an operated railway tunnel, characterized in that, The utility model provides a kind of tunnel lining detection device, including the walking device (10) capable of moving on railway rail (1), walking device (10) top is provided with lifting device (20), and is supported with the adjusting device (30) for adjusting detection instrument relative to tunnel lining surface (100) detection angle by lifting device (20), auxiliary device (40) is synchronously arranged in the front end of adjusting device (30), for fixing the detection instrument, and make the radar antenna of the detection instrument and tunnel lining surface (100) keep contact.
2. The operated railway tunnel secondary lining radar scanning detection lifting device of claim 1, wherein, The walking device (10) includes a base (11), and four insulating wheels (12) adapted to the railway rail (1) are mounted on the bottom of the base (11). Two insulating wheels (12) in each group are arranged with an axle (13) between them, and the axle (13) is mounted on the base (11).
3. The operated railway tunnel secondary lining radar scanning inspection jacking device according to claim 2, characterized in that, The walking device (10) further includes a brake mounted on the base (11), and the brake is used to brake the insulating wheels (12) on the railway rail (1).
4. The operated railway tunnel secondary lining radar scanning inspection jacking device of claim 2, wherein, The lifting device (20) includes a vertical rod (21) arranged on the top of the base (11), and a plurality of inclined struts (22) are equidistantly arranged along the circumference of the vertical rod (21) between the outer wall of the vertical rod (21) and the top of the base (11). The adjusting device (30) is rotatably arranged on the top of the inclined struts (22).
5. The operated railway tunnel secondary lining radar scanning inspection jacking device according to claim 4, characterized in that, The adjusting device (30) includes a front rod (31), a middle rod (32), and a rear end counterweight rod (33) connected in sequence. The middle rod (32) is rotatably connected between the outer wall of the middle rod (32) and the top of the vertical rod (21). The rear end counterweight rod (33) is used to hang a counterweight and is held by an operator. The front rod (31) is connected with the auxiliary device (40) at the end away from the middle rod (32).
6. The operated railway tunnel secondary lining radar scanning inspection jacking device according to claim 5, characterized in that, The adjusting device (30) further includes a bending-resistant reinforcing assembly, which includes a support rod (34) and a steel wire (35). The support rod (34) is vertically fixed on the top side of the outer wall of the middle rod (32). The steel wire (35) spans over the top of the support rod (34), and the two ends of the steel wire (35) are respectively tightly fixed on the front and rear ends of the middle rod (32).
7. The operated railway tunnel secondary lining radar scanning inspection jacking device according to claim 5, characterized in that, The auxiliary device (40) includes an instrument fixing frame (41) used to clamp and fix the detection instrument, and the instrument fixing frame (41) is movably arranged on the end of the front rod (31) away from the middle rod (32).
8. The operated railway tunnel secondary lining radar scanning inspection jacking device according to claim 7, characterized in that, The end of the front rod (31) away from the middle rod (32) is detachably provided with a first universal ball (42), and the front rod (31) is connected with the instrument fixing frame (41) through the first universal ball (42).
9. The operated railway tunnel secondary lining radar scanning inspection jacking device according to claim 7, characterized in that, The instrument fixing frame (41) is provided with a limiting groove (44), and a positioning bolt (43) connected and positioned with the detection instrument is arranged in the limiting groove (44).
10. The operated railway tunnel secondary lining radar scanning inspection jacking device according to claim 5, characterized in that, The front rod (31) is provided with a laser emitter (37), and the beam direction of the laser emitter (37) points to the side wall of the tunnel, which is used to indicate the current longitudinal mileage position of the detection instrument.