A municipal road detection device

Abstract

The application belongs to the field of municipal road detection, and particularly discloses a municipal road detection device, which comprises a detection vehicle, a stress transmission and amplification detection mechanism and a recording device. The stress transmission and amplification detection mechanism is arranged on the detection vehicle, and the recording device is arranged on the detection vehicle. According to the situation that the stress deformation variable is not easy to observe when the strength of the municipal road is detected, the technical effect of directly and visually amplifying the road surface deformation variable is realized by adopting the mode of off-axis lever transmission and amplification. In addition, the deformation variable is objectively and timely drawn on the canvas by means of the deflection force during deformation and the rotating force during movement, so that the technical effect of timely and directly displaying the strength condition of the road surface is realized.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of municipal road detection, and particularly relates to a municipal road detection device. BACKGROUND

[0002] In the current municipal road construction and maintenance work, road strength detection is a key link to ensure road quality and safety. At present, the detection of municipal road strength mainly relies on electronic equipment and complex test systems to carry out work. For example, pressure sensors and strain gauges and other equipment are often used, and special data acquisition and analysis software is combined to measure the bearing capacity of the road and other indicators closely related to the strength.

[0003] However, these electronic technology-based detection systems are not perfect. There are a series of problems. First, the cost is high, whether it is the purchase cost of equipment or the subsequent use and upgrade cost. Second, the electronic detection system is very susceptible to environmental factors. Invisible and intangible factors such as electromagnetic interference can greatly affect the detection results. A humid environment can also damage the performance of electronic components, thereby affecting the accuracy and stability of the entire detection system. In addition, the maintenance of these electronic devices is very complex, requiring professional technicians and specific maintenance environment, which undoubtedly increases the cost of manpower and resources.

[0004] In view of the above situations, it is particularly important to develop a municipal road strength detection device without any electronic sensing elements. If such a device can be successfully developed and put into use, it is expected to overcome the many drawbacks of electronic detection systems and provide a more reliable, economical and easy-to-maintain solution for municipal road strength detection work. SUMMARY

[0005] In view of the above situation, in order to overcome the defects of the prior art, the application provides a municipal road detection device. According to the difficulty in observing the stress deformation during the detection of the strength of the municipal road, the device adopts a partial shaft lever transmission and amplification method to realize the technical effect of intuitive rotation and amplification of the road surface deformation, and by means of the deflection force during deformation and the rotation force during movement, the deformation is objectively and real-timely drawn on the canvas, and the technical effect of real-time and intuitive display of the road surface strength is realized.

[0006] The technical scheme adopted by the present application is as follows: the present application provides a municipal road detection equipment, which comprises a detection vehicle, a stress transmission amplification detection mechanism and a recording device, the stress transmission amplification detection mechanism is arranged on the detection vehicle, and the recording device is arranged on the detection vehicle; the stress transmission amplification detection mechanism comprises a stress transmission lever, a strength-adjustable hammering device and a lifting release device, the stress transmission lever is rotatably arranged on the detection vehicle, the strength-adjustable hammering device is arranged on the detection vehicle, and the lifting release device is arranged on the detection vehicle; and the lifting release device is connected with the strength-adjustable hammering device.

[0007] Further, the strength-adjustable hammering device comprises a hammering limiting guide frame, a detection hammering block, a strength-variable cavity, an elastic plugging member and an enhanced weight, the hammering limiting guide frame is arranged on the detection vehicle, two opposite side walls on the inner side of the hammering limiting guide frame are provided with clamping sliding grooves, two opposite outer side walls of the detection hammering block are provided with clamping protrusions, the detection hammering block is arranged in the clamping sliding grooves through the clamping protrusions, a hammering head is arranged at the bottom end of the detection hammering block, the strength-variable cavity is arranged in the detection hammering block, the elastic plugging member is movably arranged in the strength-variable cavity, and the enhanced weight is arranged on the detection vehicle and movably arranged in the strength-variable cavity.

[0008] Among them, the elastic plugging member comprises a plugging plate, a spring, a clamping plate and a pull knob, the spring is arranged at the center of the bottom wall of the plugging plate, the clamping plate is symmetrically arranged on the circumferential side wall of the plugging plate, the pull knob is arranged on the upper wall of the plugging plate, a clamping groove is arranged on the detection hammering block, a clamping opening is arranged on the clamping groove, the clamping plate is clamped in the clamping opening, and the plugging plate is clamped and rotated in the clamping groove.

[0009] Further, the stress transmission lever comprises a force receiving rod and an eccentric column, the force receiving rod is rotatably arranged on the detection vehicle through the eccentric column, and the force receiving rod is arranged below the hammering limiting guide frame.

[0010] Further, the lifting release device comprises a connecting column, a fixing ring, a connecting ring and a pulley lifting assembly, the connecting column is arranged on the detection hammering block, the fixing ring is arranged on the connecting column, the connecting ring is arranged on the fixing ring, the pulley lifting assembly is arranged on the detection vehicle, and the pulley lifting assembly is connected with the connecting ring.

[0011] As a further preferred embodiment of the present application, the pulley lifting assembly comprises a pulley one, a pulley two, a pull rope and a winding wheel, the pulley one is arranged on the detection vehicle, the pulley two is arranged on the detection vehicle, one end of the pull rope is connected with the connecting ring by passing through the pulley one and the pulley two, the other end of the pull rope is fixedly arranged on the winding wheel, a handle is arranged on the winding wheel, and a telescopic clamping column is arranged on the detection vehicle close to the handle, for locking the handle.

[0012] Further, the recording device comprises a transmission gear set, a canvas bearing roller and a recording pen, the transmission gear set is arranged on the detection vehicle, the canvas bearing roller is arranged on the detection vehicle, the recording pen is arranged on the force rod, the force rod is provided with a fixing frame, and the fixing frame is provided with a locking stud to lock the recording pen.

[0013] Further, the transmission gear set comprises a driving wheel, a transmission wheel one, a transmission wheel two, a transmission wheel three, an engaging wheel and a winding column, the driving wheel is arranged on the detection vehicle, the transmission wheel one is rotatably arranged on the detection vehicle and is connected with the driving wheel in meshing mode, the transmission wheel two is rotatably arranged on the detection vehicle and is connected with the transmission wheel one in meshing mode, the transmission wheel three is rotatably arranged on the detection vehicle and is connected with the transmission wheel two in meshing mode, and the engaging wheel is rotatably arranged on the detection vehicle and is connected with the transmission wheel three in meshing mode.

[0014] Further, the canvas bearing roller comprises a fixed plate, a sleeve shaft, a movable plate and a canvas roll, the fixed plate is arranged on the detection vehicle, the sleeve shaft is arranged on the fixed plate, the movable plate is rotatably arranged on the detection vehicle, and the canvas roll is sleeved on the sleeve shaft.

[0015] Further, the detection vehicle comprises a vehicle plate frame, a front shaft, a rear shaft, a shock absorbing wheel and a handrail plate, the front shaft and the rear shaft are rotatably arranged on the vehicle plate frame respectively, the shock absorbing wheel is arranged on the front shaft and the rear shaft, the driving wheel is arranged on the rear shaft, the handrail plate is arranged on the vehicle plate frame, the handrail plate is provided with a storage box, and the enhanced weight storage is arranged in the storage box.

[0016] The beneficial effects achieved by the above structure are as follows: the scheme provides a municipal road detection equipment, according to the condition that the stress deformation variable is not easy to observe when the municipal road strength is detected, the bias shaft lever transmission and amplification mode is adopted, the technical effect of directly and visually amplifying the road surface deformation variable is realized, and the deformation variable is objectively and real-timely drawn on the canvas by means of the deflection force during deformation and the rotation force during movement, and the technical effect of real-timely and directly displaying the road surface strength condition is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the municipal road detection equipment proposed in the application;

[0018] Figure 2 It is a left view of the municipal road detection equipment proposed in the application;

[0019] Figure 3 It is a front view of the municipal road detection equipment proposed in the application;

[0020] Figure 4 It is a rear view of the municipal road detection equipment proposed in the application;

[0021] Figure 5 A municipal road detection device according to the present application is shown in a bottom view;

[0022] Figure 6 A municipal road detection device according to the present application is shown in a sectional view;

[0023] Figure 7 A structure diagram of a hammering limiting guide frame is shown;

[0024] Figure 8 A structure diagram of a detection hammering block is shown;

[0025] Figure 9 A sectional view of a detection hammering block is shown;

[0026] Figure 10 A structure diagram of an elastic plugging member is shown;

[0027] Figure 11 A structure diagram of a stress transmission lever is shown;

[0028] Figure 12 A structure diagram of a lifting release device is shown.

[0029] Wherein, 1, a detection vehicle, 2, a stress transmission and amplification detection mechanism, 3, a recording device, 4, a stress transmission lever, 5, a strength-adjustable hammering device, 6, a lifting release device, 7, a hammering limiting guide frame, 8, a detection hammering block, 9, a strength-variable cavity, 10, an elastic plugging member, 11, an enhanced weight, 12, a clamping sliding slot, 13, a clamping protrusion, 14, a hammering head, 15, a plugging plate, 16, a spring, 17, a clamping plate, 18, a pull knob, 19, a clamping slot, 20, a bayonet, 21, a force-bearing rod, 22, an eccentric column, 23, a connecting column, 24, a fixing ring, 25, a connecting ring, 26, a pulley lifting assembly, 27, a pulley one, 28, a pulley two, 29, a pull rope, 30, a winding wheel, 31, a handle, 32, an extendable clamping column, 33, a transmission gear set, 34, a canvas bearing roller, 35, a recording pen, 36, a fixed frame, 37, a locking stud, 38, a driving wheel, 39, a transmission wheel one, 40, a transmission wheel two, 41, an engaging wheel, 42, a winding column, 43, a fixed plate, 44, a sleeve shaft, 45, a movable plate, 46, a canvas roll, 47, a vehicle plate frame, 48, a front axle, 49, a rear axle, 50, a shock-absorbing wheel, 51, an armrest plate, 52, a storage box, 53, a transmission wheel three.

[0030] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of this specification, illustrate embodiments of the present application, and together with the description serve to explain the present application, and do not limit the present application in any manner. DETAILED DESCRIPTION

[0031] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0032] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0033] As shown in Figure 1 , the present application provides a municipal road detection equipment, which comprises a detection vehicle 1, a stress transmission amplification detection mechanism 2 and a recording device 3, the stress transmission amplification detection mechanism 2 is arranged on the detection vehicle 1, and the recording device 3 is arranged on the detection vehicle 1.

[0034] As shown in Figure 1 , Figure 6 , the detection vehicle 1 comprises a vehicle plate frame 47, a front shaft 48, a rear shaft 49, a shock absorbing wheel 50 and a handrail plate 51, the front shaft 48 and the rear shaft 49 are rotatably arranged on the vehicle plate frame 47, the shock absorbing wheel 50 is arranged on the front shaft 48 and the rear shaft 49, the driving wheel 38 is arranged on the rear shaft 49, the handrail plate 51 is arranged on the vehicle plate frame 47, the handrail plate 51 is provided with a storage box 52, and the enhanced weight 11 is stored in the storage box 52.

[0035] As shown in Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 11As shown, the recording device 3 comprises a transmission gear set 33, a canvas bearing roller 34 and a recording pen 35, the transmission gear set 33 is arranged on the detection vehicle 1, the canvas bearing roller 34 is arranged on the detection vehicle 1, the recording pen 35 is arranged on the force rod 21, the force rod 21 is provided with a fixed frame 36, the fixed frame 36 is provided with a locking stud 37; the transmission gear set 33 comprises a driving wheel 38, a transmission wheel one 39, a transmission wheel two 40, a transmission wheel three 53, an engagement wheel 41 and a winding column 42, the driving wheel 38 is arranged on the detection vehicle 1, the transmission wheel one 39 is rotatably arranged on the detection vehicle 1, the transmission wheel one 39 is connected in engagement with the driving wheel 38, the transmission wheel two 40 is rotatably arranged on the detection vehicle 1, the transmission wheel two 40 is connected in engagement with the transmission wheel one 39, the transmission wheel three 53 is rotatably arranged on the detection vehicle 1, the transmission wheel three 53 is connected in engagement with the transmission wheel two 40, the engagement wheel 41 is rotatably arranged on the detection vehicle 1, the engagement wheel 41 is connected in engagement with the transmission wheel three 53; the canvas bearing roller 34 comprises a fixed plate 43, a sleeve shaft 44, a movable plate 45 and a canvas roll 46, the fixed plate 43 is arranged on the detection vehicle 1, the sleeve shaft 44 is arranged on the fixed plate 43, the movable plate 45 is rotatably arranged on the detection vehicle 1, the canvas roll 46 is sleeved on the sleeve shaft 44.

[0036] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12As shown, the stress transmission amplification detection mechanism 2 comprises a stress transmission lever 4, a strength-adjustable hammering device 5 and a lifting release device 6. The stress transmission lever 4 is rotatably arranged on the detection vehicle 1. The strength-adjustable hammering device 5 is arranged on the detection vehicle 1. The lifting release device 6 is arranged on the detection vehicle 1 and connected with the strength-adjustable hammering device 5. The strength-adjustable hammering device 5 comprises a hammering limiting guide frame 7, a detection hammering block 8, a strength-variable cavity 9, an elastic plugging member 10 and an enhanced weight 11. The hammering limiting guide frame 7 is arranged on the detection vehicle 1. Two opposite side walls on the inner side of the hammering limiting guide frame 7 are provided with clamping sliding grooves 12. The detection hammering block 8 is provided with clamping protrusions 13 on two opposite outer side walls. The detection hammering block 8 is clamped and slidably arranged in the clamping sliding grooves 12 through the clamping protrusions 13. The detection hammering block 8 is provided with a hammering head 14 at the bottom end. The strength-variable cavity 9 is arranged in the detection hammering block 8. The elastic plugging member 10 is movably plugged in the strength-variable cavity 9. The enhanced weight 11 is arranged on the detection vehicle 1 and movably arranged in the strength-variable cavity 9. The elastic plugging member 10 comprises a plugging plate 15, a spring 16, a clamping plate 17 and a pull knob 18. The spring 16 is arranged at the center of the bottom wall of the plugging plate 15. The clamping plate 17 is symmetrically arranged on the circumferential side wall of the plugging plate 15. The pull knob 18 is arranged on the upper wall of the plugging plate 15. The detection hammering block 8 is provided with a clamping groove 19. The clamping groove 19 is provided with a clamping opening 20. The clamping plate 17 is clamped at the clamping opening 20. The plugging plate 15 is clamped and rotatably arranged in the clamping groove 19. The stress transmission lever 4 comprises a stress rod 21 and an eccentric column 22. The stress rod 21 is rotatably arranged on the detection vehicle 1 through the eccentric column 22. The stress rod 21 is arranged below the hammering limiting guide frame 7. The lifting release device 6 comprises a connecting column 23, a fixing ring 24, a connecting ring 25 and a pulley lifting assembly 26. The connecting column 23 is arranged on the detection hammering block 8. The fixing ring 24 is arranged on the connecting column 23. The connecting ring 25 is arranged on the fixing ring 24. The pulley lifting assembly 26 is arranged on the detection vehicle 1 and connected with the connecting ring 25. The pulley lifting assembly 26 comprises a pulley one 27, a pulley two 28, a pull rope 29 and a winding wheel 30. The pulley one 27 is arranged on the detection vehicle 1. The pulley two 28 is arranged on the detection vehicle 1. One end of the pull rope 29 is connected with the connecting ring 25 by passing through the pulley one 27 and the pulley two 28. The other end of the pull rope 29 is fixedly arranged on the winding wheel 30. The winding wheel 30 is provided with a handle 31. The detection vehicle 1 is provided with an extendable clamping column 32 near the handle 31.

[0037] In specific use, the detection vehicle 1 is moved to the municipal road to be detected, the movable plate 45 is rotated, the canvas roll 46 is sleeved on the sleeve shaft 44, the movable plate 45 is rotated to limit the canvas roll 46, the canvas is pulled to the winding column 42 for fixation, the telescopic clamping column 32 is pushed away from the rotating handle 31, at this time the rotating handle 31 is released, the pull rope 29 is released, the detection hammering block 8 hammers downward along the hammering limiting guide frame 7, the impact force of the downward falling of the detection hammering block 8 is transmitted to the force receiving rod 21 through the stress transmission and amplification detection mechanism 2, one end of the force receiving rod 21 is in contact with the impact point of the detection hammering block 8, and the other end amplifies the deformation degree and draws on the canvas through the recording pen 35, due to the eccentric arrangement of the force receiving rod 21, the stress can be effectively amplified, so that the smaller road deformation can be more obviously detected and objectively reflected on the canvas, and then the strength of the road is evaluated, the weight of the detection hammering block 8 can be increased to detect the road at different strengths, the clamping plate 17 is aligned with the clamping hole 20 by rotating the pull knob 18, so that the blocking plate 15 can be taken out, at this time the strength variable cavity 9 is opened, the enhanced weight 11 is taken out from the storage box 52 and put into the strength variable cavity 9, the clamping plate 17 is aligned with the clamping hole 20 and pressed and rotated, so that the strength variable cavity 9 can be blocked, the enhanced weight 11 is more stable under the action of the spring 16, and the technical effect of detecting the strength of the road under different stresses is realized, when the next road surface is detected, the rotating handle 31 is rotated, the rotating handle 31 drives the winding wheel 30 to rotate, the winding wheel 30 drives the pull rope 29 to rotate, the pull rope 29 drives the detection hammering block 8 to move upward along the hammering limiting guide frame 7, after moving upward to the specified height, the telescopic clamping column 32 is pulled out, the rotating handle 31 is locked, the detection vehicle 1 is moved by pushing the handrail plate 51, the detection vehicle 1 drives the rear shaft 49 to rotate, the rear shaft 49 drives the driving wheel 38 to rotate, the driving wheel 38 drives the transmission wheel one 39 to rotate, the transmission wheel one 39 drives the transmission wheel two 40 to rotate, the transmission wheel two 40 drives the transmission wheel three 53 to rotate, the transmission wheel three 53 drives the meshing wheel 41 to rotate, the meshing wheel 41 drives the winding column 42 to rotate, the winding column 42 drives the canvas to be wound, the technical effect of real-time replacement of the canvas is realized, and the above is the specific working process of the application, and the steps can be repeated next time.

[0038] It should be noted that, in the present document, the terms such as first and second, etc., are used merely to differentiate one entity or action from another, and do not necessarily require or imply any such actual relationship or order between such entities or actions. In addition, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0039] While embodiments of the application have been shown and described, it is to be understood that the application is not limited to the details of the embodiments described, since modifications can be made by those skilled in the art, without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

[0040] The above description of the application and its embodiments is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the purpose of the application, without creative design, similar structure and embodiments of the technical solution should belong to the protection scope of the application.

Claims

1. A municipal road detection apparatus characterized by: Including detection car (1), stress transmission amplification detection mechanism (2) and recording device (3), the stress transmission amplification detection mechanism (2) is located on the detection car (1), and the recording device (3) is located on the detection car (1); The stress transmission amplification detection mechanism (2) comprises a stress transmission lever (4), a strength adjustable hammering device (5) and a lifting release device (6), the stress transmission lever (4) is rotatably arranged on the detection vehicle (1), the strength adjustable hammering device (5) is arranged on the detection vehicle (1), the lifting release device (6) is arranged on the detection vehicle (1), and the lifting release device (6) is connected with the strength adjustable hammering device (5); the strength adjustable hammering device (5) comprises a hammering limiting guide frame (7), a detection hammering block (8), a strength variable cavity (9), an elastic plugging piece (10) and an enhanced weight (11), the hammering limiting guide frame (7) is arranged on the detection vehicle (1), the two opposite side walls on the inner side of the hammering limiting guide frame (7) are provided with clamping sliding grooves (12), the two opposite outer side walls of the detection hammering block (8) are provided with clamping protrusions (13), the detection hammering block (8) is clamped and slidably arranged in the clamping sliding groove (12) through the clamping protrusion (13), the bottom end of the detection hammering block (8) is provided with a hammering head (14), the strength variable cavity (9) is arranged in the detection hammering block (8), the elastic plugging piece (10) is movably arranged in the strength variable cavity (9), and the enhanced weight (11) is arranged on the detection vehicle (1) and movably arranged in the strength variable cavity (9); the elastic plugging piece (10) comprises a plugging plate (15), a spring (16), a clamping plate (17) and a pull button (18), the spring (16) is arranged at the center of the bottom wall of the plugging plate (15), the clamping plate (17) is symmetrically arranged on the circumferential side wall of the plugging plate (15), the pull button (18) is arranged on the upper wall of the plugging plate (15), the detection hammering block (8) is provided with a clamping groove (19), the clamping groove (19) is provided with a clamping opening (20), the clamping plate (17) is clamped in the clamping opening (20), and the plugging plate (15) is clamped and rotatably arranged in the clamping groove (19); the stress transmission lever (4) comprises a stress rod (21) and an eccentric column (22), the stress rod (21) is rotatably arranged on the detection vehicle (1) through the eccentric column (22), and the stress rod (21) is arranged below the hammering limiting guide frame (7); the lifting release device (6) comprises a connecting column (23), a fixing ring (24), a connecting ring (25) and a pulley lifting assembly (26), the connecting column (23) is arranged on the detection hammering block (8), the fixing ring (24) is arranged on the connecting column (23), the connecting ring (25) is arranged on the fixing ring (24), the pulley lifting assembly (26) is arranged on the detection vehicle (1), and the pulley lifting assembly (26) is connected with the connecting ring (25).The pulley lifting assembly (26) comprises a pulley one (27), a pulley two (28), a pull rope (29) and a winding wheel (30), the pulley one (27) is arranged on the detection vehicle (1), the pulley two (28) is arranged on the detection vehicle (1), one end of the pull rope (29) is connected with the connecting ring (25) by passing through the pulley one (27) and the pulley two (28), the other end of the pull rope (29) is fixedly arranged on the winding wheel (30), the winding wheel (30) is provided with a handle (31), and the detection vehicle (1) is provided with a telescopic clamping column (32) close to the handle (31); the recording device (3) comprises a transmission gear set (33), a canvas bearing roller (34) and a recording pen (35), the transmission gear set (33) is arranged on the detection vehicle (1), the canvas bearing roller (34) is arranged on the detection vehicle (1), the recording pen (35) is arranged on the stress rod (21), the stress rod (21) is provided with a fixed frame (36), and the fixed frame (36) is provided with a locking stud (37).

2. The municipal road detection device according to claim 1, characterized in that: The transmission gear set (33) includes a drive wheel (38), a transmission wheel one (39), a transmission wheel two (40), a transmission wheel three (53), a meshing wheel (41) and a winding column (42), the drive wheel (38) is provided on the detection car (1), the transmission wheel one (39) is rotatably provided on the detection car (1), the transmission wheel one (39) is connected with the drive wheel (38) in meshing, the transmission wheel two (40) is rotatably provided on the detection car (1), the transmission wheel two (40) is connected with the transmission wheel one (39) in meshing, the transmission wheel three (53) is rotatably provided on the detection car (1), the transmission wheel three (53) is connected with the transmission wheel two (40) in meshing, the meshing wheel (41) is rotatably provided on the detection car (1), and the meshing wheel (41) is connected with the transmission wheel three (53) in meshing.

3. The municipal road detection device of claim 2, wherein: The canvas bearing roller (34) includes a fixed plate (43), a sleeve shaft (44), a movable plate (45) and a canvas roll (46), the fixed plate (43) is provided on the detection car (1), the sleeve shaft (44) is provided on the fixed plate (43), the movable plate (45) is rotatably provided on the detection car (1), and the canvas roll (46) is sleeved on the sleeve shaft (44).

4. The municipal road detection device of claim 3, wherein: The detection car (1) includes a car plate frame (47), a front shaft (48), a rear shaft (49), a shock absorbing wheel (50) and a handrail plate (51), the front shaft (48) and the rear shaft (49) are rotatably provided on the car plate frame (47) respectively, the shock absorbing wheel (50) is provided on the front shaft (48) and the rear shaft (49), the drive wheel (38) is provided on the rear shaft (49), the handrail plate (51) is provided on the car plate frame (47), the handrail plate (51) is provided with a storage box (52), and the enhanced weight (11) is stored in the storage box (52).

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