CN112009956A

CN112009956A - Track device for roadway inspection equipment and roadway inspection system

Info

Publication number: CN112009956A
Application number: CN201910462834.7A
Authority: CN
Inventors: 赵明辉; 郭颂; 缪杰
Original assignee: China Coal Technology and Engineering Group Shanghai Co Ltd
Current assignee: China Coal Technology and Engineering Group Shanghai Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-12-01

Abstract

The invention relates to the technical field of mine roadway inspection, and provides a track device for roadway inspection equipment and a roadway inspection system. The track device for the roadway inspection equipment comprises a track, a traction rope, a driving wheel and a driven wheel. The track includes the holding surface that can supply equipment walking at least, and the haulage cable reciprocates along the track and extends the round and form the closed loop, and the haulage cable is along transversely parallelly, and the parallel part of haulage cable all can be used to articulate and pull inspection equipment, and the action wheel sets up in the both ends of haulage cable closed loop and provides the power and the direction that drive haulage cable removed with from the driving wheel inscribedly. The rail device is provided with the horizontal support rail surfaces of the transverse parallel traction cables and the corresponding traction cables, so that the two traction cables can be used for drawing inspection equipment, the traction cables can be used for drawing the inspection equipment according to actual working conditions, and the adaptability of the traction cables in a roadway is enhanced.

Description

Track device for roadway inspection equipment and roadway inspection system

Technical Field

The invention relates to the technical field of mine roadway inspection, in particular to a track device for roadway inspection equipment and a roadway inspection system.

Background

Belt conveyors are important transportation vehicles, and are important in production situations such as coal mines, where safety and stability of operation play an important role in production efficiency and safety. Therefore, the inspection system is required to perform safe inspection work on the belt conveyor, and automatic and efficient inspection is realized.

At present, most of inspection systems adopt a mode of driving by a self-powered device, and the inspection system driven by the mode needs a built-in large-capacity battery, so that the problems of weak driving endurance and difficult climbing often exist. In the prior art, inspection equipment is dragged by a steel wire rope, if the explosion-proof driving motor drives the steel wire rope to move, the inspection equipment moves along with the steel wire rope, and various sensors on the inspection equipment are used for detecting the operation and environment data of a belt conveyor so as to know the working condition of the belt conveyor; the problems of insufficient cruising ability and difficult climbing can be solved, but the problems of large volume and heavy weight caused by the fact that the inspection equipment is dragged by two driving devices still exist, and the adaptability to underground roadways is low; and the steel wire rope vibrates greatly when being dragged, which is not beneficial to data acquisition and can not ensure the stable and reliable operation of the inspection equipment.

Disclosure of Invention

In order to solve the technical problems or at least partially solve the technical problems, the invention provides a track device, a traction device and an inspection system.

In a first aspect, a track device for a roadway inspection device is provided, which comprises a track, a traction rope, a driving wheel and a driven wheel. The track includes the holding surface that can supply equipment walking at least, and the haulage cable reciprocates along the track and extends the round and form the closed loop, and the haulage cable is along transversely parallelly, and the parallel part of haulage cable all can be used to articulate and pull inspection equipment, and the action wheel sets up in the both ends of haulage cable closed loop and provides the power and the direction that drive haulage cable removed with from the driving wheel inscribedly.

In a first possible implementation, the support surface comprises a first rail surface and a second rail surface, and the first rail surface and the second rail surface are respectively arranged corresponding to parallel partial positions of the traction rope.

With reference to the foregoing possible implementation manner, in a second possible implementation manner, the rail further includes a guide surface, and the guide surface is perpendicular to the first rail surface or the second rail surface.

In combination with the above possible implementation manners, in a third possible implementation manner, a vertical guide plate is disposed between the first rail surface and the second rail surface, and two side surfaces of the guide plate form guide surfaces.

With reference to the foregoing possible implementation manner, in a fourth possible implementation manner, the rail is a rail having a cross section in an "i" or "j" shape.

In combination with the above possible implementation manners, in a fifth possible implementation manner, the traction rope tensioning device is characterized by further comprising a tensioning mechanism, wherein the tensioning mechanism can apply continuous acting force to the driving wheel and/or the driven wheel so as to tension the traction rope.

In a sixth possible implementation manner, in combination with the above possible implementation manners, the tensioning mechanism is a position adjusting mechanism, and the position adjusting mechanism can drive the driving wheel and/or the driven wheel to move so as to change the position of the driving wheel and/or the driven wheel on the track.

With reference to the foregoing possible implementation manners, in a seventh possible implementation manner, the position adjusting mechanism is a nut-screw pair mechanism, the nut is fixed to the track, and the screw rotates relative to the nut to drive the driving wheel and/or the driven wheel to move relative to the track.

In combination with the above possible implementation manners, in an eighth possible implementation manner, the tensioning mechanism includes a counterweight body, a wheel train, and a lifting rope, the counterweight body is used for providing gravity, and the lifting rope and the wheel train are used for connecting the counterweight body and the driven wheel and converting the gravity of the counterweight body into a traction force for the driven wheel.

In combination with the above possible implementation manners, in a ninth possible implementation manner, the traction device further includes a guide wheel, wherein the guide wheel is disposed on the rail and is used for limiting the extension of the traction cable along the rail.

With reference to the foregoing possible implementation manners, in a tenth possible implementation manner, the system further includes a traveling wheel assembly, the traveling wheel assembly is pulled by the traction cable and can travel along the supporting surface of the track, and the traveling wheel assembly is used for being connected with the inspection equipment.

With reference to the foregoing possible implementation manners, in an eleventh possible implementation manner, the traveling wheel assembly includes a wheel set, and an equipment connecting member and a traction cable connecting member that are disposed on the wheel set, the traction cable connecting member is connected to the traction cable, and the wheel set can travel on the support surface of the track.

With reference to the foregoing possible implementation manners, in a twelfth possible implementation manner, the traction cable connector includes a first traction cable connector and a second traction cable connector, and the first traction cable connector or the second traction cable connector is fixed to the traction cable.

With reference to the foregoing possible implementation manners, in a thirteenth possible implementation manner, the wheel set of the traveling wheel assembly includes a first wheel set and a second wheel set, and the first wheel set and the second wheel set are symmetrically arranged on a plane and are connected to one of the parallel portions of the traction cable.

In combination with the above possible implementation manners, in a fourteenth possible implementation manner, the first wheel set and the second wheel set are both provided with a traction cable connector, and the two traction cable connectors respectively correspond to two branches of the traction cable parallel portion and are selectively connected.

With reference to the foregoing possible implementation manners, in a fifteenth possible implementation manner, the wheel set includes a bearing wheel and a guide wheel, the bearing wheel travels on the support surface of the track, an axis of the guide wheel is crossed with the bearing wheel, and a tangential direction of the guide wheel is consistent with an extending direction of the track.

In combination with the above possible implementations, in a sixteenth possible implementation, the traction cable connector is detachably connected to the wheel set and/or the traction cable.

In combination with the foregoing possible implementation manners, in a seventeenth possible implementation manner, the traction cable connector includes a main body, and a sleeve and a tightening mechanism respectively disposed at two ends of the main body.

In a second aspect, the roadway inspection system comprises a traction device and inspection equipment, wherein the traction device is a track device for any one of the roadway inspection equipment in the first aspect, and the track device for the roadway inspection equipment is used for driving the inspection equipment to move along a track.

In a first possible implementation, the inspection device includes one or more of a methane sensor, a temperature sensor, a carbon monoxide sensor, a humidity sensor, and a distance sensor.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages: in the track device for the tunnel inspection equipment and the tunnel inspection system, horizontal parallel traction cables and horizontal supporting rail surfaces corresponding to the traction cables are arranged, so that the two traction cables can be used for drawing the inspection equipment, the traction cables can be selected according to actual working conditions to draw the inspection equipment, and the adaptability of the traction cables in the tunnel is enhanced. In some implementation modes, the roadway inspection system is provided with a track, a traction cable and other devices in a specific structure and arrangement, so that the power consumption of the whole machine is relatively low, the transmission efficiency is high, and long-distance transmission can be realized; the climbing and turning capabilities are greatly improved; through the arrangement of the tensioning mechanism and the guide wheel, the phenomenon that the steel wire rope vibrates greatly when being pulled to be not beneficial to data acquisition is avoided, and the stable and reliable operation of the inspection system is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a roadway inspection system according to an embodiment of the present invention;

FIG. 2 is a partially enlarged schematic view I of FIG. 1;

FIG. 3 is a cross-sectional view of the track set of FIG. 2;

fig. 4 is a schematic structural diagram of a road wheel assembly in the roadway inspection system of fig. 1;

fig. 5 is a partially enlarged schematic view II of fig. 1.

Reference numerals:

100-rail, 110-first rail face, 120-second rail face, 130-first guide face, 140-second guide face, 101-first rail section, 102-second rail section, 103-second rail section;

200-a traction cable, 210-a first cable segment, 220-a second cable segment;

300-driven wheel, 310-shaft;

400-driving wheel; -

500-a guide wheel;

600-tensioning mechanism, 610-tensioning bracket, 620-bearing seat, 630-nut and 640-screw;

700-a motor;

800-traveling wheel assembly, 810-first wheel set, 820-traction cable connector, 830-equipment connector, 840-second wheel set, 850-traction cable connector, 860-equipment connector, 811-bracket, 812-bearing wheel, 813-guide wheel, 821-main body, 822 sleeve-, 823-hooping member;

900-inspection equipment.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.

The invention will be further explained with reference to fig. 1 to 5 in conjunction with the drawings of the specification. Fig. 1 is a schematic structural diagram of a roadway inspection system according to an embodiment of the present invention, fig. 2 is a schematic partial enlarged view I in fig. 1, fig. 3 is a schematic cross-sectional structural diagram of a rail device in fig. 2, fig. 4 is a schematic structural diagram of a road wheel assembly in the roadway inspection system in fig. 1, and fig. 5 is a schematic partial enlarged view II in fig. 1.

In this embodiment, the tunnel system of patrolling and examining includes that tunnel patrolling and examining equipment is with rail set and tunnel patrolling and examining equipment, and rail set provides support, direction and the traction of patrolling and examining the equipment walking. The inspection system specifically comprises a rail 100, a traction cable 200, a driven wheel 300, a driving wheel 400, a guide wheel 500, a tensioning mechanism 600, a motor 700, a traveling wheel assembly 800 and inspection equipment 900. The track set and the inspection equipment and their construction are explained in detail one by one below.

The rail device includes a rail 100, a traction cable 200, a driven wheel 300, a driving wheel 400, and a tension mechanism 600.

The track 100 has an I-shaped cross section, the track 100 is composed of a plurality of track sections, each track section is composed of two parallel transverse plates and a vertical plate for connecting the two transverse plates, and the vertical plate divides the space between the two transverse plates into two parts. The track 100 is formed by connecting a first track section 101, a second track section 102 and a second track section 103 in series, wherein the second track section 102 is bent upwards relative to the first track section 101, and the second track section 103 is bent leftwards relative to the second track section 102. The upper surface of the horizontal plate located below in the track 100 is a supporting surface and is divided into two parts by the vertical plate, namely, the first rail surface 110 and the second rail surface 120, and the first rail surface 110 and the second rail surface 120 can be used for the inspection equipment 900 to walk. The two sides of the riser are a first guide surface 130 and a second guide surface 140, respectively. In some alternative embodiments, the track 100 may have other shapes, such as a structure with a "T" shaped cross section, that is, the track is composed of a horizontal plate and a vertical plate located below the horizontal plate, and the upper surface of the horizontal plate is a supporting surface (a surface on which a rail travels); the riser may also serve as a guide surface. For another example, the rail 100 may have a "t" shaped cross section, that is, it is composed of a horizontal plate and a vertical plate above the horizontal plate, the upper surface of the horizontal plate is a supporting surface and is divided into two rail surfaces by the vertical plate, and two side surfaces of the vertical plate may be used as guide surfaces.

The traction cable 200 extends back and forth along the rail 100 in a circle to form a closed loop, and two segments extending in opposite directions are distributed on both sides of a vertical plate of the rail 100, i.e., a first cable segment 210 and a second cable segment 220 shown in fig. 3, which are parallel in the transverse direction. Both the first cable segment 210 and the second cable segment 220 may be used to hitch and tow the inspection device 900. The first cable segment 210 of the traction cable 200 is disposed corresponding to the first rail surface 110 and the first guide surface 130 with a predetermined distance therebetween. The second rope segment 220 is disposed corresponding to the second rail surface 120 and the second guide surface 140 with a predetermined distance therebetween, respectively.

The rail 100 is curved, and a plurality of guide wheels 500 for restraining the traction cable 200 on the rail 100 are provided on the rail 100. The guide wheels 500 are disposed along the rail 100 to restrain the traction cable 200 in a state of extending along the rail 100. The circumferential surface of the guide wheel 500 is provided with a groove in a surrounding manner, the axis of the guide wheel 500 is perpendicular to the extending direction of the rail 100, and a part of the surface of the traction cable 200 is clamped in the groove of the guide wheel 500 and is supported and limited by the guide wheel 500.

Driven wheel 300 and driving wheel 400 are rotatably disposed at both ends of track 100 via transmission shafts and bearings, the transmission shafts being oriented vertically, i.e., the axes of driven wheel 300 and driving wheel 400 are vertical. Grooves are circumferentially arranged on the outer circumferential surfaces of the driven wheel 300 and the driving wheel 400, the grooves are internally arranged at two ends of the closed-loop traction cable 200, and the static friction acting force between the surfaces of the grooves and the traction cable 200 provides power and guidance for driving the traction cable 200 to move.

The tensioning mechanism 600 can apply a continuous force to the driven wheel 300 to tension the traction cable 200. As shown in fig. 1 and 5, the tensioning mechanism 600 is a position adjusting mechanism in this embodiment, and a set of position adjusting devices is disposed on both upper and lower surfaces of the track 100, and each position adjusting device is used for supporting both ends of the transmission shaft of the driven wheel 300. The position adjustment mechanism can drive the driven wheel 300 to move to change its position on the track 100.

Specifically, the position adjusting mechanism is a nut-and-screw pair mechanism, and comprises a tensioning bracket 610, a bearing seat 620, a nut 630 and a screw 640. The tension bracket 610 is fixed to the end of the rail 100. The tensioning bracket 610 comprises a U-shaped main frame and two parallel guide rails arranged on the inner side of the frame, the main frame comprises two parallel side plates and an end plate connected with the two side plates, and a through hole is formed in the end plate. Two guide rails are respectively provided on facing surfaces of the two side plates, the direction of the guide rails being along the extending direction of the rail 100, the guide rails being for the bearing housing 620 to slide. The bearing is arranged in the middle of the bearing seat 620, grooves matched with the guide rails are formed in the two ends of the bearing seat 620, a structure connected with the screw 640 is arranged on one side of the bearing seat 620, and the bearing seat 620 is arranged on a track of the tensioning support 610. The nut 630 is disposed on the end plate on the tension bracket 610 and is coaxial with the through hole of the end plate. Screw 640 and nut 630 are in threaded fit, and screw 640 one end is connected with bearing frame 620, thereby can follow axial translation when screw 640 rotates and drive bearing frame 620 and remove.

The driven wheel 300 is disposed on the bearing seat 620 through the shaft 310, and when the bearing seat 620 is displaced, the driven wheel 300 can be driven to move, so that the traction cable 200 wound on the driven wheel 300 is tightened or loosened. In some alternative embodiments, a position adjusting mechanism may also be disposed at one end of track 100 where driving wheel 400 is mounted, for adjusting the position of driving wheel 400; in other alternative embodiments, position adjustment devices may also be provided at both driven wheel 300 and drive wheel 400. In other alternative embodiments, the tensioning mechanism may also be a mechanism that utilizes a weighted weight to pull driven wheel 300 and/or drive wheel 400 by gravity. For example, the tensioning mechanism comprises a counterweight body, a wheel train and a lifting rope, wherein the counterweight body is used for providing gravity, one end of the lifting rope is connected with the counterweight body, and the other end of the lifting rope is connected with a structure for fixing the driven wheel 300 and/or the driving wheel 400. The wheel system supports the lifting rope and changes the direction of the lifting rope, so that the gravity of the counterweight body is converted into traction force to the driven wheel along the extending direction of the track, and the tensioning effect of automatic compensation is realized.

Motor 700 and the reduction box are fixed on track 100, and are connected with the transmission shaft of driving wheel 400 through the shaft coupling, and can drive driving wheel 400 to rotate.

The structure provides a basic carrier and a connection foundation for the traction inspection equipment for the formation of the track device. Follow the vertical setting of driving wheel 300 and action wheel 400 axis, first cable section 210 and second cable section 220 of haulage cable 200 can be in horizontal parallelism, the holding surface of cooperation haulage cable 200 for first cable section 210 and second cable section 220 all can be as connecting the connection basis of patrolling and examining equipment, provide the selection of installing in different positions when connecting equipment of patrolling and examining, more can adapt to the limited operating mode in underworkings space. For example, when the side of the first cable section 210 is not properly positioned for attachment of routing inspection equipment, routing inspection equipment may be attached to the side of the second cable section 220. Also, since the normal direction of the rail support surface (rail surface) is generally vertical, the first and

second cable segments

210 and 220 can be easily set to the same distance from the rail support surface, so that the structure for coupling the traction cable and the road wheel can be adapted to the coupling with the first cable segment 210 and the second cable segment 220 at the same time without change.

The traveling wheel assembly 800 may travel on the track 100 and be used to couple the traction cable 200 and the inspection apparatus 900.

In this embodiment, the road wheel assembly 800 includes a first wheel set 810, a second wheel set 840, and a traction cable connector and a device connector disposed thereon, respectively. The tow hitch coupler 820 and the equipment coupler 830 are coupled to the first wheel set 810 and the tow hitch coupler 850 and the equipment coupler 860 are coupled to the second wheel set 840. The pull cable connector 820 is coupled to the first cable segment 210 and the pull cable connector 850 is adapted to couple to the second cable segment 220. The road wheel assembly 800 is capable of walking on a support surface of the track 100.

The first wheel set 810 and the second wheel set 840 have the same structure and attachment structure, and the first wheel set 810, the cable attachment 820 and the machine attachment 830 are used as an example for explanation.

The first wheel set 810 includes a bracket 811, two load bearing wheels 812 and a guide wheel 813. The bracket 811 is composed of a vertical plate whose width is greater than its height and two transverse plates perpendicular to the vertical plate, which constitute the support of the guide wheel 813. Two bearing wheels 812 are respectively arranged at two ends of the vertical plate in the horizontal direction, the wheel shaft is horizontal, and the peripheral surface of the wheel is tangent to the supporting surface of the track 100. The guide wheel 813 is hinged between the two transverse plates, the wheel shaft is vertically arranged, and the peripheral surface of the wheel is tangent to the guide surface of the track 100.

The traction cable connector 820 comprises a main body 821, a clamping piece 823, a sleeve 822 and a transition plate 824, wherein the clamping piece 823 and the sleeve 822 are arranged at two ends of the main body 821 to form a whole, and the whole is hinged with the transition plate 824 through the clamping piece 823. The main body 821 is a plate member, and in this embodiment, the clamp member 823 is a sleeve-shaped structure formed by rolling one end of the main body 821. The ferrule 823 is parallel to both the axis of the sleeve 822 and the face of the plate of the body 821. One end of the transition plate 824 has two branches, and both branches are rolled into a cylindrical structure and the cylindrical structure is coaxial. The tightening part 823 of the traction cable connector 820 is positioned between the cylindrical structures formed by the branches at one end of the transition plate 824 and is coaxially connected with the cylindrical structures to form a hinge joint. The other end of the transition plate 824 is provided with a connecting shaft perpendicular to the plate surface, and the connecting shaft is connected to a vertical plate on the bracket 811. If necessary, a hinged connection may be provided between the transition plate 824 and the bracket 811.

With the above structure, the traction cable attachment 820 is coupled to the first pulley set 810 and the first cable segment 210. The equipment connector 830 is fixed to the bracket 811 of the first wheel set 810 and is used to connect the inspection equipment 900. The sleeve 822 may be collapsed under some external force to tighten over the first cable segment 210. The sleeve 822 may also have a lateral opening through which it is clasped to the first cable section 210, and then secured to the first cable section 210 by a hoop or bolt connection that closes and holds the opening in compression. In alternative embodiments, where the pull cable connector 850 is coupled to the second cable segment 220, the sleeve 822 of the pull cable connector 820 may be secured to the pull cable 200 without the

coupling members

823 and 824. When it is necessary to replace the pull cable connector 820 with the first cable segment 210, the tightening member 823 can be directly connected to the transition plate 824, which is simpler to connect than the field fitting sleeve 822 to the first cable segment 210.

The second wheelset 840, the tow rope connection 850 and the equipment connection 860 are of the same construction as described above and are symmetrically disposed on either side of the riser of the track 100. In this embodiment, the pull cable connector 820 is coupled to the first cable segment 210, and in alternative embodiments, the pull cable connector 850 is coupled to the second cable segment 220.

The track 100 is provided with the first rail surface 110 and the second rail surface 120, can supply first wheelset 810 and second wheelset 840 to walk simultaneously respectively, and equipment connection piece 830 and equipment connection piece 860 can connect jointly and patrol and examine equipment 900, and the bearing wheel of two wheelsets has great interval, therefore can support more steadily and patrol and examine equipment 900, can reduce and patrol and examine equipment 900 and take turns the ascending rocking of axle to the bearing. In addition, both the two wheel sets are provided with a traction cable connector, and the first cable segment 210 or the second cable segment 220 can be freely selected and connected according to actual needs.

In some alternative embodiments, only the first wheel set 810, the traction cable connector 820 and the equipment connector 830 may be provided to connect the first cable segment 210 and the inspection equipment 900, or only the second wheel set 840, the traction cable connector 850 and the equipment connector 860 may be provided to connect the second cable segment 220 and the inspection equipment 900, which may be selected according to actual needs. When a group of travelling wheels are arranged, two traction cable connectors can be arranged on the travelling wheels, one is matched with the first cable section 210, the other is matched with the second cable section 220, and one traction cable connector is connected with the traction cable 200 according to actual needs.

In other alternative embodiments, only one traction cable connector may be provided on each of the two wheelsets, and the connector is detachably connected to the wheelset and the traction cable 200, and may be connected between the first cable segment 210 and the first wheelset 810, or between the second cable segment 220 and the second wheelset 840, according to actual requirements.

In other alternative embodiments, the support surface of the track 100 may include only one track surface or may not include a guide surface, and the wheelset may not include a guide wheel and may only travel and turn under the traction of the traction cable 200.

The inspection equipment track device is connected with the inspection equipment 900 in a hanging mode, namely a roadway inspection system, the inspection equipment 900 is integrated with a methane sensor, a temperature sensor, a carbon monoxide sensor, a humidity sensor and a distance sensor, and when the inspection equipment 900 moves along the track device in a roadway, the sensors can acquire running state parameters of the roadway and a conveyor belt.

According to the track device for the roadway inspection equipment and the inspection system, the traction cables which are transversely parallel and the horizontal support rail surfaces corresponding to the traction cables are arranged, so that the two traction cables can be used for drawing the inspection equipment, and the adaptability of the inspection equipment in the roadway is enhanced.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a track device for equipment is patrolled and examined in tunnel, its characterized in that includes:

the track at least comprises a supporting surface on which the equipment can walk;

the traction cable extends back and forth along the track for one circle to form a closed loop, the traction cables run in parallel along the transverse direction, and the parallel parts of the traction cables can be used for hanging and dragging the inspection equipment; and

and the driving wheel and the driven wheel are internally tangent to two ends of the traction cable closed loop and provide power and guidance for driving the traction cable to move.

2. The track device for the roadway inspection equipment according to claim 1, wherein the support surface comprises a first track surface and a second track surface, and the first track surface and the second track surface are respectively arranged corresponding to parallel parts of the traction rope.

3. The track device for roadway inspection equipment according to claim 2, wherein the track further comprises a guide surface, and the guide surface is perpendicular to the first rail surface and/or the second rail surface.

4. The track device for the roadway inspection equipment according to claim 3, wherein a guide plate is arranged between the first track surface and the second track surface, and two side surfaces of the guide plate form the guide surface.

5. The track device for roadway inspection equipment according to any one of claims 1 to 4, wherein the track is a track having a cross section in the shape of an I or an I-T.

6. The track device for roadway inspection equipment according to any one of claims 1 to 4, further comprising a tensioning mechanism capable of applying a continuous force to the driving wheel and/or the driven wheel to tension the traction cable.

7. The track device for roadway inspection equipment according to claim 6, wherein the tensioning mechanism is a position adjusting mechanism capable of driving the driving wheel and/or the driven wheel to move so as to change the position of the driving wheel and/or the driven wheel on the track.

8. The track device for roadway inspection equipment according to claim 7, wherein the position adjusting mechanism is a nut-screw pair mechanism, the nut is fixed on the track, and the screw rotates relative to the nut and can drive the driving wheel and/or the driven wheel to move relative to the track.

9. The track device for roadway inspection equipment according to claim 6, wherein the tensioning mechanism comprises a counterweight body, a wheel train and a lifting rope, the counterweight body is used for providing gravity, and the lifting rope and the wheel train are used for connecting the counterweight body and the driven wheel and converting the gravity of the counterweight body into traction force for the driven wheel.

10. The track device for roadway inspection equipment according to any one of claims 1 to 4, further comprising guide wheels arranged on the track and configured to limit extension of the traction cable along the track.

11. The track device for the roadway inspection equipment according to any one of claims 1 to 4, further comprising a traveling wheel assembly, wherein the traveling wheel assembly is pulled by the traction cable and can travel along the support surface of the track, and the traveling wheel assembly is used for being connected with the inspection equipment.

12. The track device for roadway inspection equipment according to claim 11, wherein the traveling wheel assembly comprises a wheel set, and an equipment connecting piece and a traction cable connecting piece which are arranged on the wheel set, the traction cable connecting piece is connected with the traction cable, and the wheel set can travel on the support surface of the track.

13. The track device for the roadway inspection equipment according to claim 12, wherein the traction cable connector comprises a first traction cable connector and a second traction cable connector, and the first traction cable connector or the second traction cable connector is fixed to the traction cable.

14. The track device for roadway inspection equipment according to claim 11, wherein the wheel sets of the traveling wheel assembly include a first wheel set and a second wheel set, and the first wheel set and the second wheel set are arranged in plane symmetry and are connected with one of the parallel portions of the traction cable.

15. The track device for the roadway inspection equipment according to claim 14, wherein the first wheel set and the second wheel set are provided with traction cable connectors, and the two traction cable connectors respectively correspond to and are selectively connected with two of the traction cable parallel portions.

16. The track device for the roadway inspection equipment according to claim 12, wherein the wheel set comprises a bearing wheel and a guide wheel, the bearing wheel travels on the supporting surface of the track, the axis of the guide wheel is crossed with the bearing wheel, and the tangential direction of the guide wheel is consistent with the extending direction of the track.

17. The track device for roadway inspection equipment according to claim 12, wherein the traction cable connector is detachably connected with the wheel set and/or the traction cable.

18. The track device for the roadway inspection equipment according to claim 17, wherein the traction cable connecting piece comprises a main body, and sleeves and tightening mechanisms which are respectively arranged at two ends of the main body.

19. A roadway inspection system comprises a rail device and inspection equipment, and is characterized in that the rail device is the rail device for the roadway inspection equipment according to any one of claims 1 to 18, and the rail device for the roadway inspection equipment is used for driving the inspection equipment to move along a rail.

20. The roadway inspection system according to claim 19, wherein the inspection equipment includes one or more of a methane sensor, a temperature sensor, a carbon monoxide sensor, a humidity sensor, and a distance sensor.