CN115418900B

CN115418900B - Automatic cruiser of sealed glue of intelligent repair track

Info

Publication number: CN115418900B
Application number: CN202211364994.6A
Authority: CN
Inventors: 蔡玉斌; 屠文杰; 牛涛
Original assignee: Jiangsu Ruiwendell Transportation Technology Co ltd
Current assignee: Jiangsu Ruiwendell Transportation Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-10
Anticipated expiration: 2042-11-03
Also published as: CN115418900A

Abstract

The utility model relates to an automatic cruiser of sealed glue of intelligent repair track belongs to track traffic equipment field, and it includes the motor body, the motor body removes along the rail, be equipped with detection mechanism and benefit gluey mechanism on the motor body, detection mechanism is used for detecting the sealed surperficial position of gluing of rail top, it is used for supplementing the sizing material to the sealed gluey surface in rail top to mend gluey mechanism, detection mechanism is to mending gluey mechanism transmission signal. This application detects and judges the sealed impaired condition of gluing of rail top through detection mechanism, to mending gluey mechanism signals when needing to mend gluey, mends gluey mechanism and adds the position that needs the repair with the sizing material, realizes the sealed automation of gluing of rail top, intelligent repair, through the polishing and the polishing effect of compaction subassembly, the sealed gluey surface smoothness of rail top of repair department is higher.

Description

Automatic cruiser of sealed glue of intelligent repair track

Technical Field

The application relates to the field of rail transit equipment, in particular to an automatic patrol car capable of intelligently repairing rail sealant.

Background

The rail transportation is a transportation mode using a rail as a support and a guide and using a vehicle as a transportation container, the rail refers to a route paved by strip-shaped steel for the running of mobile equipment such as trains and trams, and the mobile equipment is usually provided with bottom wheels which are matched with the rail so as to realize the movement of the mobile equipment along the rail.

In a track laying structure in the related art, a steel rail is embedded into an asphalt layer of a pavement, rail top sealants and transition strips are fixedly arranged on two sides of the steel rail respectively, the rail top sealants are located between the steel rail and the transition strips, and the transition strips are formed by mixing elastic rubber, modified asphalt and stone chips; when the construction of the rail is finished, the upper surfaces of the transition strips and the rail top sealant are flush with the road surface, and the top of the steel rail is higher than the road surface by about 4-5mm.

Over time, the rail top sealant slowly diminishes as it wears, thereby forming a "groove". When the depth of the groove is continuously increased, the protection effect of the groove on the steel rail is influenced, the potential safety hazard of a rail transportation system is increased, the manual maintenance operation is carried out, the glue supplementing operation of rail top sealant is included, safety considerations exist on two sides of the steel rail of urban rail transit, under the general condition, a worker cannot easily enter the isolation belt, the accuracy of repairing is low in the operation process, the timeliness of maintenance is low, and the operation efficiency is low.

Disclosure of Invention

In order to improve above-mentioned problem, the application provides an automatic cruiser of sealed glue of intelligent repair track.

The application provides an automatic cruiser of sealed glue of intelligent repair track adopts following technical scheme:

the automatic patrol car comprises a motor body, wherein the motor body moves along a steel rail, a detection mechanism and a glue supplementing mechanism are arranged on the motor body, the detection mechanism is used for detecting the surface position of rail top sealant, the glue supplementing mechanism is used for supplementing glue materials to the surface of the rail top sealant, and the detection mechanism transmits signals to the glue supplementing mechanism.

Through adopting above-mentioned technical scheme, detection mechanism detects the sealed sunken degree of depth of gluing of rail top and judges whether need mend and glue, need mend to glue mechanism signals when gluing, mend gluey mechanism to needs to mend gluey position injection sizing material, realizes automatic, intelligent glue of mending, has improved detection accuracy and operating efficiency simultaneously.

Preferably, the detection mechanism comprises a distance sensor and a detection frame, the detection frame comprises an adjusting frame, a butting roller and a compensation spring, the adjusting frame slides relative to the maneuvering body, the sliding direction of the adjusting frame is perpendicular to the road surface, the butting roller is rotatably connected to the adjusting frame, the wheel surface of the butting roller is in rolling contact with the steel rail and/or the road surface, the compensation spring is connected between the adjusting frame and the maneuvering body, and the distance sensor is mounted on the adjusting frame.

By adopting the technical scheme, the distance sensor detects the damage degree of the rail top sealant by detecting the distance between the position of the distance sensor and the surface of the rail top sealant, the compensation spring applies a thrust force towards a steel rail or a road surface to the adjusting frame all the time, the relative height stability of the adjusting frame and the road surface is improved in the moving process of the motor body, and the error of detection data caused by jolt when the motor body moves is reduced.

Preferably, an air pump is arranged on the maneuvering body, the detection mechanism comprises a cleaning air pipe, one end of the cleaning air pipe is connected with the air pump, the other end of the cleaning air pipe is connected with the adjusting frame, and the pipe orifice of the cleaning air pipe faces to one side of the maneuvering body in the moving direction.

By adopting the technical scheme, the air flow sprayed out of the pipe orifice of the cleaning air pipe cleans the surface of the rail top sealant below the cleaning air pipe, the influence of dust, sundries and the like on the detection result is reduced, and the new rubber material and the old rubber material can be smoothly fused and fixed during subsequent rubber supplement.

Preferably, mend and glue the mechanism and include point gum machine and compaction subassembly, the point gum machine is located between detection mechanism and the compaction subassembly, the point gum machine is connected with the distance sensor electricity, the compaction subassembly includes compaction piece and compaction roller, the compaction piece is connected with the motor body, the compaction roller rotates to be connected in one side that the compaction piece sealed glue towards the rail top, the sealed butt of gluing of global and the rail top of compaction roller.

Through adopting above-mentioned technical scheme, the compaction roller rolls the new sizing material that falls on the sealed glue of rail top for new sizing material can laminate more closely, fuse with the sealed glued structure of rail top originally, also makes the sizing material distribute in the gluey punishment of mending of the sealed glue of rail top evenly simultaneously.

Preferably, the compaction assembly further comprises a connection shell, the connection shell is connected with the motor body, the compaction block is rotatably connected with the connection shell, the rotation axis of the compaction block is perpendicular to the road surface, and the compaction rollers are arranged on one side, facing the rail top sealant, of the compaction block in a plurality of arrays.

By adopting the technical scheme, the compaction roller has a rotation trend relative to the compaction block, and the compaction block also has a rotation trend relative to the connecting shell barrel, so that the range of the surface of the sizing material which can be contacted by the compaction roller is wider in the rotation process of the compaction block, and the forming quality of the new sizing material is improved.

Preferably, the motor-driven body is fixedly connected with a fixed cylinder, the fixed cylinder is connected with a linking shell cylinder in a sliding manner, the moving direction of the linking shell cylinder is perpendicular to the road surface, a reset tension spring is connected between the fixed cylinder and the linking shell cylinder, the compaction assembly further comprises a power piece, and the power piece is used for controlling the movement of the linking shell cylinder.

Through adopting above-mentioned technical scheme, the solid fixed cylinder provides the installation basis for linking up shell isotructure, links up the direction removal that shell portability compaction piece orientation is close to the sealed glue of rail top simultaneously, does not have the rail top of new sizing material to the surface sealed glue, under the effect of extension spring that resets, links up the shell and can drive compaction piece, the relative road surface of compaction roller is unsettled, does not contact the sizing material, reduces the resistance that the compaction subassembly received.

Preferably, the power part is a pneumatic tube, one end of the pneumatic tube is connected with the air pump, the other end of the pneumatic tube is connected with the fixed cylinder and communicated with the inner cavity of the fixed cylinder, and a control valve on the pneumatic tube is electrically connected with the distance sensor.

Through adopting above-mentioned technical scheme, when pneumatic tube was switched on, the air current that the air pump produced can follow pneumatic tube and get into fixed section of thick bamboo and link up in the shell section of thick bamboo, links up the atmospheric pressure increase in the shell section of thick bamboo, has produced thrust to the compaction piece and link up the shell section of thick bamboo for the compaction piece carries links up the shell section of thick bamboo and moves to the sealed glue of rail top, thereby makes the compaction roller contactable sizing material.

Preferably, one side of the compaction block, which is far away from the rail top sealant, is fixedly connected with a power turbofan, the power turbofan is coaxial with a rotation shaft of the compaction block, the compaction block is provided with a pressure relief hole, and the pressure relief hole penetrates through two ends of the compaction block in the height direction.

Through adopting above-mentioned technical scheme, the pressure release hole becomes the only export that gets into the air current that links up in the shell section of thick bamboo, and the flow direction of gas is pneumatic tube, fixed cylinder and links up shell section of thick bamboo, pressure release hole, exterior space, and the flabellum of power turbofan is strikeed to this in-process air current, drives power turbofan and compaction piece and rotates.

Preferably, mend gluey mechanism and still include water storage tank and water injection pipe, water storage tank fixed connection is on motor-driven body, the one end and the water storage tank of water injection pipe are connected, the other end with link up a shell section of thick bamboo intercommunication.

Preferably, one end of the water injection pipe communicated with the joining shell is inserted into the joining shell and is positioned on one side of the power turbofan, which is far away from the compaction block.

Through adopting above-mentioned technical scheme, the water injection pipe stretches into the mouth of pipe drippage clear water that links up the shell section of thick bamboo, the clear water is broken up by random behind the power turbofan in touching the rotation, final tiny water droplet scatters on the compaction piece, and flow to the pressure release hole under the effect of air current, under the combined action of air current and pivoted compaction piece, compaction piece spun water droplet has good atomizing state, scatter more evenly on the sizing material, rivers and water smoke play the cooling action to the sizing material of thick form, water smoke can reduce the coefficient of friction and the adhesion force on sizing material surface simultaneously, make its roll frictional force to the compaction roller reduce, the rotation state of compaction roller is more smooth.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the detection mechanism and the glue supplementing mechanism, the detection mechanism is used for detecting the depression depth of the rail top sealant and judging whether glue supplementing is needed or not, a signal is sent to the glue supplementing mechanism when glue supplementing is needed, and the glue dispenser injects glue materials to the positions needing glue supplementing, so that automatic glue supplementing is realized, and meanwhile, the detection precision and the operation efficiency are improved;

2. through the setting of compaction subassembly, compaction piece and compaction roller press, polish and the polishing new sizing material for new sizing material can laminate more closely, fuse with the sealed glued structure of the rail top originally, also make the sizing material in the sealed gluey even, the surfacing of gluing department distribution of gluing of rail top simultaneously.

Drawings

Fig. 1 is a schematic diagram for embodying a track laying structure in the related art of the present application.

Fig. 2 is a schematic overall structure diagram of an automatic patrol car for intelligently repairing rail sealant according to the embodiment of the application.

Fig. 3 is a schematic structural diagram for embodying the detection mechanism in the embodiment of the present application.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic structural diagram for embodying the glue filling mechanism in the embodiment of the present application.

Fig. 6 is a partially enlarged view of a portion B in fig. 5.

FIG. 7 is a schematic diagram of a structure for embodying a compacted cake in an embodiment of the present application.

Description of reference numerals: 1. an asphalt layer; 11. a transition strip; 12. rail top sealant; 13. a steel rail; 2. a motorized body; 21. a motorized wheel; 22. an air pump; 3. a detection mechanism; 31. a detection frame; 32. an adjusting bracket; 321. abutting against the roller; 33. a compensation spring; 34. cleaning an air pipe; 35. a distance sensor; 4. a glue supplementing mechanism; 41. a glue dispenser; 411. spraying a rubber pipe; 42. compacting the assembly; 421. a fixed cylinder; 422. connecting the shell cylinder; 423. compacting the block; 4231. compacting the roller; 4232. a powered turbofan; 4233. a pressure relief vent; 424. a pneumatic tube; 425. a return tension spring; 43. a water injection pipe; 44. a water storage tank.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses an automatic patrol car for intelligently repairing rail sealant, as shown in fig. 1 and 2, a rail laying structure comprises an asphalt layer 1, the upper surface of the asphalt layer 1 is a road surface, and strip-shaped steel rails 13 are embedded in the asphalt layer 1; the embedded sealed glue 12 and the transition strip 11 of rail top that is equipped with of asphalt layer 1, rail 13 is hugged closely to the sealed glue 12 of rail top, and transition strip 11 is located one side that sealed glue 12 of rail top deviates from rail 13, and the upper surface of transition strip 11 is partly on road surface with the aspect parallel and level on asphalt layer 1 and the two, and the upper surface of rail 13 is higher than road surface 5mm. The patrol car comprises a motor body 2, a detection mechanism 3 and a glue supplementing mechanism 4, wherein the motor body 2 directionally moves along a steel rail 13 and provides an installation basis for the detection mechanism 3 and the glue supplementing mechanism 4; the detection mechanism 3 is used for detecting the damage degree of the rail top sealant 12 at the position where the motor body 2 arrives and sending a working signal to the sealant supplementing mechanism 4, and the sealant supplementing mechanism 4 is used for supplementing a sealant to the seriously damaged position of the rail top sealant 12 for repairing.

As shown in fig. 2, 3 and 4, a motorized wheel 21 is rotatably connected to the motorized body 2, and the motorized wheel 21 is adapted to roll along the rail 13, so that the motorized body 2 can stably move along the rail 13. The detection mechanism 3 comprises a detection frame 31 and distance sensors 35, the detection frame 31 comprises an adjusting frame 32 and a compensating spring 33, and the number of the distance sensors 35 and the number of the adjusting frames 32 are consistent with that of the steel rails 13. The adjusting frame 32 is connected with the motor body 2 in a sliding manner, one end of the compensating spring 33 is fixedly connected with the motor body 2, the other end of the compensating spring 33 is fixedly connected with the adjusting frame 32, and the sliding direction of the adjusting frame 32 and the stretching direction of the compensating spring 33 are vertical directions. The adjusting bracket 32 is rotatably connected with an abutting roller 321 towards one side of the steel rail 13, and the rotating axis of the abutting roller 321 is parallel to the rotating axis of the motor-driven wheel 21; the total of the abutting rollers 321 is six, every three abutting rollers 321 are a group and are installed on the same adjusting frame 32, the wheel face of one of the abutting rollers 321 is in contact rolling with the steel rail 13 in a matched mode, and the two ends of the abutting roller 321 are coaxially and integrally formed to form a flange structure, the flange structure is used for clamping the steel rail 13, and the other two abutting rollers 321 are located on the two opposite sides of the steel rail 13 respectively and are in rolling contact with the road surface. The distance sensor 35 is installed on the adjusting frame 32 and is located right above the rail top sealant 12, and the direction of the emitted detection signal is vertical downward, so that the distance between the distance sensor and the top surface of the rail top sealant 12 at the corresponding position is measured, and the height difference between the top surface of the rail top sealant 12 at the position and the road surface is obtained through conversion.

As shown in fig. 2, 3 and 4, the air pump 22 is fixedly mounted on the mobile body 2, the detection mechanism 3 further includes a cleaning air pipe 34, the cleaning air pipe 34 is a flexible pipe, one end of the cleaning air pipe is connected to the air pump 22, the other end of the cleaning air pipe is fixedly mounted on the adjustment frame 32, and the cleaning air pipe 34 is close to the opening of the adjustment frame 32 and faces one side of the mobile body 2 in the advancing direction and inclines downward. In the process of moving the motor body 2, the air pump 22 is started, the air flow sprayed from the opening of the cleaning air pipe 34 cleans the surface of the rail top sealant 12 below the cleaning air pipe, the influence of dust, impurities and the like on the detection result is reduced, and new rubber materials and old rubber materials can be smoothly fused and fixed in the subsequent rubber supplement process.

As shown in fig. 2, 5 and 6, the glue filling mechanism 4 is located on one side of the detection mechanism 3 along the direction opposite to the advancing direction of the maneuvering body 2, the glue filling mechanism 4 includes two glue dispensers 41 and a compacting assembly 42, the two glue dispensers 41 are located right above the two steel rails 13 respectively, and the glue dispensers 41 are electrically connected to the distance sensor 35; each dispenser 41 is provided with two glue spraying tubes 411, each glue spraying tube 411 corresponds to one distance sensor 35, a tube opening corresponds to one rail top sealant 12, and whether the glue spraying tube 411 is opened or not is controlled by signals of the distance sensors 35. When the surface of the rail top sealant 12 is set to be detected to be lower than 1cm of the road surface, the rail top sealant is judged to be seriously damaged and needs to be supplemented, when the serious damage is detected, the distance sensor 35 sends a signal to the glue dispenser 41, when the corresponding glue spraying pipe 411 moves to the position above the position, needing to be supplemented, of the rail top sealant 12, glue is sprayed out, and in the process, the amount of the glue sprayed out of the glue spraying pipe 411 is intelligently calculated by a control system of the glue dispenser 41 according to the signal fed back by the distance sensor 35.

As shown in fig. 3, 5 and 6, the compactor assembly 42 is used to perform an orbital compaction of the new compound on the rail top sealant 12, such that the compactor assembly 42 is located on the opposite side of the dispenser 41 from the direction of travel of the motor body 2. The compacting component 42 comprises a fixed cylinder 421, a joining shell 422, a compacting block 423, a reset tension spring 425 and a power part, wherein the fixed cylinder 421 is fixedly connected with the motor body 2, the axis of the fixed cylinder 421 is in the vertical direction, and the upper end opening of the fixed cylinder is closed; one end of the engaging shell 422 coaxially extends into the fixed cylinder 421 and the two are connected in a sliding manner, the sliding direction is parallel to the axis of the fixed cylinder 421, and the power part provides power for the movement of the engaging shell 422. One end of the reset tension spring 425 is fixedly connected with the fixed cylinder 421, the other end is fixedly connected with the connecting shell cylinder 422, and the extension direction of the reset tension spring is also parallel to the axis of the fixed cylinder 421; the compaction block 423 is rotatably connected to the opening of the joint shell 422 close to the rail top sealant 12, and the rotation axis of the compaction block 423 coincides with the axis of the fixed cylinder 421.

As shown in fig. 6 and 7, a plurality of compacting rollers 4231 are rotatably connected to one side of the compacting block 423 facing the rail top sealant 12, in this embodiment, the compacting rollers 4231 are balls which are embedded in the lower surface of the compacting block 423 and are arranged in an annular array with the rotation axis of the compacting block 423 as the center, the rotation state of the compacting rollers 4231 can be free rotation in any spatial direction, and in a natural state, the height difference between the compacting rollers 4231 and the road surface is kept at 3-5mm. A plurality of pressure relief holes 4233 are formed in the compaction block 423, the pressure relief holes 4233 are uniformly distributed in the compaction block 423, the axis of each pressure relief hole 4233 is parallel to the rotation axis of the compaction block 423, and each pressure relief hole 4233 vertically penetrates through the compaction block 423. The power element is a pneumatic tube 424, one end of the pneumatic tube 424 is connected with the air pump 22, the other end of the pneumatic tube 424 is fixedly connected with the fixed end face of the fixed cylinder 421 and communicated with the inner cavity of the fixed cylinder 421, a single pneumatic tube 424 corresponds to one fixed cylinder 421, and a control valve on the pneumatic tube 424 is also electrically connected with the distance sensor 35; one side of the compaction block 423, which is far away from the rail top sealant 12, is located in the connecting shell 422 and is coaxially and fixedly connected with the power turbofan 4232, when the pneumatic tube 424 is conducted, airflow generated by the air pump 22 can enter the fixed shell 421 and the connecting shell 422 along the pneumatic tube 424, air pressure in the connecting shell 422 is increased, thrust is generated on the compaction block 423 and the connecting shell 422, the compaction block 423 carries the connecting shell 422 to move towards the rail top sealant 12, meanwhile, the pressure relief hole 4233 becomes the only outlet of the airflow, so that the flow direction of the gas is the pneumatic tube 424, the fixed shell 421, the connecting shell 422, the pressure relief hole 4233 and the external space, and the airflow impacts fan blades of the power turbofan 4232 in the process to drive the power turbofan 4232 and the compaction block 423 to rotate.

As shown in fig. 5, 6 and 7, the glue-supplying mechanism 4 further includes a water storage tank 44 and a water injection pipe 43, the water storage tank 44 is fixedly connected to the mobile body 2, clear water is stored in the water storage tank, one end of the water injection pipe 43 is connected to the water storage tank 44, and the other end is communicated with the engaging shell 422; the number of the water injection pipes 43 is consistent with that of the pneumatic pipes 424, the water injection pipes and the pneumatic pipes are in one-to-one correspondence, and the control valves of the water injection pipes 43 and the pneumatic pipes 424 are opened and closed synchronously. The water injection pipe 43 is small in water flow, one end of the connecting shell 422 is inserted into the connecting shell 422 and located on one side, away from the compaction block 423, of the power turbofan 4232, when a new sizing material needs to be pressed, the pneumatic pipe 424 and the water injection pipe 43 are opened, airflow pushes the connecting shell 422 to carry the compaction block 423 to move towards the rail top sealant 12 to enable the compaction roller 4231 to be in contact with the sizing material, meanwhile, the power turbofan 4232 drives the compaction block 423 to rotate, the water injection pipe 43 extends into a pipe orifice of the connecting shell 422 to drip clear water, the clear water is irregularly scattered after touching the power turbofan 4232, finally fine water drops are scattered on the compaction block 423 and flow towards the hole 4233 under the action of the airflow, and under the combined action of the airflow and the pressure relief of the rotating compaction block 423, the water drops sprayed by the compaction block 423 have a good atomization state and are scattered on the sizing material more uniformly. The airflow and the water mist cool the viscous rubber, and meanwhile, the water mist can reduce the friction coefficient and the adhesive force of the surface of the rubber, so that the rolling friction force of the water mist on the compacting roller 4231 is reduced, the rotating speed of the compacting block 423 is larger, and the compacting effect of the compacting roller 4231 on the rubber is more uniform.

The implementation principle of the automatic cruiser for intelligently repairing the rail sealant is as follows:

the motor body 2 moves along the steel rail 13, the detection mechanism 3 tracks and monitors the depression depth of the rail top sealant 12 along the way and judges whether glue is needed to be supplemented, a signal is sent to the glue supplementing mechanism 4 when glue is needed to be supplemented, and the glue dispenser 41 injects glue materials to the positions where glue is needed to be supplemented, so that automatic glue supplementing is realized; after glue supplement, the compacting assembly 42 performs compacting and flattening, grinding and polishing on the glue materials, and optimizes the fusion quality of the new and old glue materials and the surface flatness of the new glue materials.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an automatic cruiser of sealed glue of intelligent repair track which characterized in that: the rail top sealant detection device comprises a maneuvering body (2), wherein the maneuvering body (2) moves along a steel rail (13), a detection mechanism (3) and a sealant supplementing mechanism (4) are arranged on the maneuvering body (2), the detection mechanism (3) is used for detecting the surface position of a rail top sealant (12), the sealant supplementing mechanism (4) is used for supplementing a sealant to the surface of the rail top sealant (12), and the detection mechanism (3) transmits signals to the sealant supplementing mechanism (4);

the detection mechanism (3) comprises a distance sensor (35) and a detection frame (31), the detection frame (31) comprises an adjusting frame (32), a butting roller (321) and a compensation spring (33), the adjusting frame (32) slides relative to the maneuvering body (2), the sliding direction of the adjusting frame (32) is perpendicular to the road surface, the butting roller (321) is rotatably connected to the adjusting frame (32), the wheel surface of the butting roller (321) is in rolling contact with a steel rail (13) and/or the road surface, the compensation spring (33) is connected between the adjusting frame (32) and the maneuvering body (2), and the distance sensor (35) is installed on the adjusting frame (32);

an air pump (22) is arranged on the maneuvering body (2), the detection mechanism (3) comprises a cleaning air pipe (34), one end of the cleaning air pipe (34) is connected with the air pump (22), the other end of the cleaning air pipe is connected with the adjusting frame (32), and the pipe orifice of the cleaning air pipe (34) faces one side of the maneuvering body (2) in the moving direction;

the glue supplementing mechanism (4) comprises a glue dispenser (41) and a compaction assembly (42), the glue dispenser (41) is located between the detection mechanism (3) and the compaction assembly (42), the glue dispenser (41) is electrically connected with the distance sensor (35), the compaction assembly (42) comprises a compaction block (423) and a compaction roller (4231), the compaction block (423) is connected with the motor body (2), the compaction roller (4231) is rotatably connected to one side, facing the rail top sealant (12), of the compaction block (423), and the peripheral surface of the compaction roller (4231) is abutted to the rail top sealant (12);

the compaction assembly (42) further comprises a connection shell (422), the connection shell (422) is connected with the motor body (2), the compaction block (423) is rotationally connected with the connection shell (422), the rotation axis of the compaction block (423) is perpendicular to the road surface, and a plurality of compaction rollers (4231) are distributed on one side, facing the rail top sealant (12), of the compaction block (423) in an array mode;

the movable body (2) is fixedly connected with a fixed cylinder (421), the fixed cylinder (421) is connected with a connecting shell cylinder (422) in a sliding manner, the moving direction of the connecting shell cylinder (422) is vertical to the road surface, a reset tension spring (425) is connected between the fixed cylinder (421) and the connecting shell cylinder (422), the compaction assembly (42) further comprises a power part, and the power part is used for controlling the movement of the connecting shell cylinder (422);

the power part is a pneumatic pipe (424), one end of the pneumatic pipe (424) is connected with the air pump (22), the other end of the pneumatic pipe (424) is connected with the fixed cylinder (421) and communicated with the inner cavity of the fixed cylinder (421), and a control valve on the pneumatic pipe (424) is electrically connected with the distance sensor (35);

the compaction block (423) is provided with a pressure relief hole (4233), the pressure relief hole (4233) penetrates through two ends of the compaction block (423) in the height direction, one side, away from the rail top sealant (12), of the compaction block (423) is fixedly connected with a power turbofan (4232), and the rotation axis of the power turbofan (4232) is overlapped with that of the compaction block (423);

the glue supplementing mechanism (4) further comprises a water storage tank (44) and a water injection pipe (43), the water storage tank (44) is fixedly connected to the motor body (2), one end of the water injection pipe (43) is connected with the water storage tank (44), and the other end of the water injection pipe is communicated with the connecting shell cylinder (422);

one end of the water injection pipe (43) communicated with the connecting shell cylinder (422) is inserted into the connecting shell cylinder (422) and is positioned on one side of the power turbofan (4232) departing from the compacting block (423).