CN113026514A

CN113026514A - Asphalt pavement crack filling device

Info

Publication number: CN113026514A
Application number: CN202110322730.3A
Authority: CN
Inventors: 霍延敏; 李超; 郉跃芹; 梁宗; 梁家红; 全艳丽; 姜松朴; 侯佳璐; 张志文; 吴瑞贺
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-06-25

Abstract

The invention relates to the technical field of road construction, in particular to an asphalt pavement crack filling device, which controls the deflection direction of a wheel through the relative movement of a probe, so that a spray head always faces to the position of a notch.

Description

Asphalt pavement crack filling device

Technical Field

The invention relates to the technical field of road construction, in particular to an asphalt pavement crack filling device.

Background

Along with the high-speed development of social economy in China, the requirement on the comprehensive service quality of highway traffic is higher and higher, but after the highway is used for a period of time, the surface of the highway has cracks, pot holes, ruts and other diseases, wherein the cracks are one of the most common and most easily-occurring diseases in various diseases of the road surface, the damage of the road cracks not only influences the road appearance and the driving comfort, but also can easily and further expand if the cracks are not repaired in time, so that rainwater and other impurities enter a surface layer structure and a roadbed along the cracks to cause structural damage to the road, the bearing capacity of the road surface is reduced, the damage to the local part or a piece of the road surface is accelerated, the service life of the road is shortened, and the repair is required in time after the cracks are found;

for small and medium-sized cracks, a commonly used repairing method is a crack pouring treatment method which mainly comprises slotting, slot cleaning and crack pouring, namely slotting treatment is carried out along the crack direction, the size of the slot has a certain standard, then sundries in the slot are cleaned, and finally, the crack pouring is started, a commonly used means of the crack pouring is to adopt a crack pouring machine, a nozzle on the crack pouring machine is moved along the arranged slot so as to input crack pouring glue into the crack, but when the traditional crack pouring machine is used, the nozzle cannot be always compared with the slot opening under manual operation, namely the nozzle can be deviated during moving, so that the crack pouring glue or asphalt leaks out from the slot, raw materials are wasted, the subsequent treatment is carried out on the crack pouring machine, the workload is increased, the crack opening width of another slot is different from head to tail, the size of the arranged slot can also be changed, if the nozzle moves at the original speed, the gap filling glue at the position with the wide groove width is not filled, and the gap filling glue at the position with the narrow groove is overflowed, so that the incomplete repairing is realized, the filling effect is reduced, the follow-up continuous treatment is required, the workload is increased in vain, and the device which can guide the spray head and can control the flow of the spray head along with the width of the groove is designed to be important.

Disclosure of Invention

Aiming at the situation and overcoming the defects of the prior art, the invention provides the asphalt pavement crack filling device, the deflection direction of the wheels is controlled through the relative movement of the probe rod, so that the spray head always faces to the position of the notch, and in addition, the flow control device is arranged on the spray head, the change of the flow is controlled constantly along with the change of the width of the notch, and the overflow or the non-filling of the crack pouring glue is avoided.

The specific technical scheme is as follows: the asphalt pavement crack filling device comprises a cart, wherein a hot melting box for melting asphalt or crack pouring glue is fixedly arranged on the cart, four wheels are arranged at the lower end of the cart in a rectangular shape, it is characterized in that the hot melting box is connected with a spray head arranged on the right side of the cart through a conveying system, two probe rods which are in transverse sliding fit with the spray head are symmetrically arranged on the spray head, a first spring is connected between the probe rod and the spray head, a spur rack is arranged on the probe rod close to one side of the cart, a direction-adjusting gear rotatably arranged on the spray head is meshed with the spur rack, the direction-adjusting gear drives a rotary table which is rotatably arranged on a longitudinal symmetrical line at the bottom end of the cart, the extending end of the outer circular surface of the rotary table is connected with a first telescopic rod which is rotatably arranged at the bottom end of the cart, the axis of the first telescopic rod is longitudinally arranged at intervals with the rotary table, the other end of the first telescopic rod is rotatably connected with a connecting rod, and two ends of the connecting rod are respectively rotatably connected with a wheel;

be provided with the trigger device who is connected with the probe rod on the shower nozzle and the probe rod has the flow control device of control pitch flow through the trigger device drive, trigger device and the cooperation of flow control device satisfy: the flow is reduced when the two probe rods move relatively, and the flow is increased when the two probe rods move back to back.

Preferably, the conveying system comprises an asphalt pump which is communicated with the hot melting box and is fixedly installed on the cart, the asphalt pump is driven by a driving device, and the asphalt pump is communicated with the spray head;

the asphalt pump is communicated with the spray head and the hot melting box through an electric heating discharge hose.

Preferably, flow control device is including setting up the installation section of thick bamboo in shower nozzle upper end and with electrical heating discharge hose intercommunication, rotate on the installation section of thick bamboo roof and install driving-disc and driving-disc lower extreme terminal surface and be provided with equal hexagonal spout, the equal interval is provided with tangent with the shower nozzle inner wall with straight flute and the straight flute of the hexagonal one-to-one of spout on the installation section of thick bamboo diapire, equal sliding fit has accuse to flow board and accuse and flow board and straight flute sliding fit in the spout, the outer disc of driving-disc extends installation section of thick bamboo position and is connected with arc rack and the trigger device of rotation installation on the outer disc of shower nozzle.

Preferably, the trigger device comprises a first wedge block which is in transverse sliding fit with one end of the straight rack departing from the cart, a second spring is connected between the first wedge block and the straight rack, the first wedge block is matched with a second wedge block which is vertically and slidably installed on the outer circular surface of the spray head, a third spring is connected between the second wedge block and the spray head, one side of the second wedge block departing from the cart is provided with a gear system, the gear system is meshed with a driving gear, the driving gear drives a driven gear which is rotatably installed on the outer circular surface of the spray head, the driven gear is meshed with an arc-shaped rack, the bottom end of the first wedge block is provided with a limiting plate, a limiting hole which is matched with the second wedge block is arranged on the limiting plate, a stopping plate which is matched with the limiting hole is arranged on a probe rod which is far away from the cart, the probe rod is provided with a fourth spring facing one side of the cart, a positioning rod which is corresponding to the fourth spring is arranged on one, and a fifth spring is arranged between the positioning rod and the spray head, and a bulge is arranged above the positioning rod on the spray head.

Preferably, the shallow rotates towards shower nozzle one side and installs drive gear and drive gear upper end and be provided with the eccentric rod, longitudinal sliding installs on the shallow with drive gear complex stopper and be connected with the sixth spring between the shallow, the drive gear drive has the rotation to install at the shallow towards the lead screw of shower nozzle one side and lead screw and installation section of thick bamboo screw-thread fit, and the vertical sliding fit of installation section of thick bamboo and shallow, horizontal sliding mounting has the baffle with stopper complex on the shallow.

Preferably, the lower end of the spray head is provided with a pressing plate which is in transverse sliding fit with the two feeler levers, and the direction-adjusting gear is rotatably installed on the pressing plate.

Preferably, two first connecting rods which are symmetrically arranged are rotatably mounted on one side of the pressing plate, which is far away from the probe rod, the other end of each first connecting rod is rotatably connected with a pressing roller, and a torsion spring is connected between each two first connecting rods and the pressing plate;

the pressing plate is provided with a collecting box matched with the compression roller, and the collecting box is in a pointed cone shape facing one side of the compression roller and is abutted against the compression roller.

Preferably, the upper end of the pressing plate is located on the symmetrical axes of the two feeler levers, a shifting lever is installed on the pressing plate in a coaxial crossed mode, the shifting lever is connected with a second connecting rod in a rotating mode, the second connecting rod is connected with a round rod in a rotating mode, a round table is arranged at the tail end of the round rod, and the feeler levers are in intermittent fit with the feeler levers.

Preferably, an ultrasonic vibrating rod is arranged in the hot melting box.

Preferably, two auxiliary wheels are arranged on the two transverse sides of the bottom end of the cart between the asphalt pump and the connecting rod.

The invention has the beneficial effects that: (1) the invention better solves the problem that the spray head can deviate relative to the notch in the moving process, the lower end of the spray head is provided with a probe rod which is attached to the wall of the groove, and the deflection direction of the cart wheel is controlled through the position change of the probe rod relative to the spray head, so that the spray head always faces to the notch;

(2) the flow control device matched with the probe rods is arranged, when the two probe rods move oppositely or oppositely, the width of the groove is reduced or enlarged, then the flow control device is controlled by the trigger device, so that when the width of the groove is reduced, the flow is reduced, and when the width of the groove is enlarged, the flow is enlarged, thereby avoiding that no crack pouring glue is filled in the groove or the crack pouring glue overflows;

(3) the ultrasonic vibration rod is arranged in the hot melting box, so that bubbles in the melted crack pouring glue are broken through the ultrasonic vibration rod, and the problem that the filling effect is influenced because the crack pouring glue with bubbles is filled in the groove is avoided.

Drawings

FIG. 1 is an isometric, schematic view of the present invention;

FIG. 2 is a partial schematic view of FIG. 1 taken at A in accordance with the present invention;

FIG. 3 is a schematic view of the position of the baffle installation of the present invention;

FIG. 4 is a schematic bottom view of the present invention;

FIG. 5 is a schematic cross-sectional view of a hot melt cabinet of the present invention;

FIG. 6 is a schematic view of a direction adjusting mechanism of the universal wheel of the present invention;

FIG. 7 is a schematic view of the initial bore of the flow control device of the present invention;

FIG. 8 is a schematic view of the flow control device of the present invention fully open;

FIG. 9 is a schematic view of the showerhead assembly of the present invention;

FIG. 10 is a partial schematic view of the invention at B of FIG. 9;

FIG. 11 is a schematic view of an initial position of the triggering device according to the present invention;

FIG. 12 is a schematic diagram of a triggering state of the triggering device according to the present invention;

FIG. 13 is a schematic cross-sectional view of a second wedge block in accordance with the present invention in combination with a showerhead;

FIG. 14 is a schematic view of the connection position of the nozzle head and a second wedge block;

FIG. 15 is a schematic view of a first wedge of the present invention;

FIG. 16 is a schematic view of a second wedge of the present invention;

FIG. 17 is a schematic view of an ultrasonic vibrator according to the present invention;

FIG. 18 is a schematic view of the collection box of the present invention in cooperation with a pressure roller.

Detailed Description

The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of the embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 18. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Embodiment 1, this embodiment provides an asphalt pavement crack filling device, as shown in fig. 5, which includes a cart 1, and a hot melting box 2 is fixedly installed at a position close to a handrail on the cart 1, and provides asphalt (asphalt mortar) with a temperature meeting the requirement or joint compound, and a paddle type forced stirrer 43 and a grid type heat conducting coil are installed inside the hot melting box, so as to ensure uniform heating of asphalt material, the stirrer 43 is driven by a special asphalt stirrer 43 driving motor, and the asphalt stirring ball driving motor is connected with a storage battery fixedly installed on the cart 1, and is electrically connected with a controller, and the heat conducting oil is indirectly heated by a gas type small heating furnace (which is not described in detail herein, as in the prior art), the temperature can be automatically adjusted, and in order to ensure rapid and uniform melting of asphalt, when the asphalt reaches 80 to 100 ℃ (dilution), the stirrer 43 is started to stir the asphalt material, referring to fig. 4, four wheels are arranged at the lower end of the cart 1 in a rectangular shape (the four wheels are respectively arranged at four corners of the lower end of the cart 1), wherein two wheels far away from the handrail are in universal connection, and the moving direction of the cart 1 can be controlled by controlling the two wheels in universal connection;

referring to fig. 5, the hot melting box 2 is connected with a spray head 4 arranged on the right side of the cart 1 through a conveying system, the conveying device is electrically connected with a controller, referring to fig. 9, two probe rods 5 which are transversely matched with the spray head 4 in a sliding manner are symmetrically arranged on the spray head 4, a first spring 34 is connected between the probe rods 5 and the spray head 4, the first spring 34 is in a compressed state after the probe rods 5 are placed in a groove, under the action of the first spring 34, the two probe rods 5 always have a tendency of moving back and forth, in addition, a straight rack 6 is arranged on the probe rod 5 close to one side of the cart 1, a direction adjusting gear 7 rotatably arranged on the spray head 4 is meshed with the straight rack 6, the direction adjusting gear 7 is driven by a first belt to be rotatably arranged on a first gear 50 arranged on the bottom end of the cart 1, in addition, a rotating disc 8 is rotatably arranged on a longitudinal symmetrical line of the bottom end of the cart 1, and, the second gear 51 is meshed with the first gear 50, and a first telescopic rod 9 is arranged on one side of the turntable 8 far away from the handrail on the longitudinal symmetry line of the lower end of the cart 1, as shown in fig. 6, the first telescopic rod 9 comprises a rotating rod 48 rotatably mounted at the bottom end of the cart 1, sliding rods 49 are slidably mounted on two sides of the rotating rod 48 on the rotating axis center, wherein the sliding rod 49 facing the turntable 8 is rotatably connected with the extending part of the outer circular surface of the turntable 8, the other sliding rod 49 is rotatably connected with a connecting rod 10, the rotating connecting part is located at the center of the connecting rod 10, and two ends of the connecting rod 10 are respectively rotatably connected with a wheel which is in universal connection with the cart 1, so that the deflection of the two wheels which are in universal connection can be controlled by controlling the rotation of the turntable 8 through the first telescopic rod 9 and the connecting rod 10;

when the hot melting box 2 is used, the hot melting box 2 is opened firstly, the joint filling glue is placed in the box body (the finished product of the joint filling glue is solid and is heated and melted when the hot melting box is used), then the joint filling glue is melted through the heating furnace, after the temperature of the joint filling glue reaches 80-100 ℃ (thinning), the asphalt stirrer 43 driving motor is started through the control device, the joint filling glue is stirred and is melted at an accelerated speed, after a certain time (the joint filling glue is melted completely), a worker moves the trolley 1 to the position near the opened groove (the groove is cleaned in advance), the sprayer 4 faces the notch, the two feeler levers 5 are placed in the groove, then the conveying device is started, the joint filling glue melted in the hot melting box 2 is transmitted to the sprayer 4 and then flows into the groove, the trolley 1 can be pushed by the operator to move at the moment, if the sprayer 4 deviates from the notch when the trolley moves, the probe 5 is displaced with respect to the nozzle 4, if the probe is shifted to the left (referring to the relative direction of the armrest in fig. 1), the probe 5 moves to the right with respect to the probe 5 to drive the direction-adjusting gear 7 to rotate clockwise (referring to the angle in fig. 9), then the first gear 50 is driven to rotate clockwise through the first belt transmission, so that the second gear 51 rotates counterclockwise, the turntable 8 rotates counterclockwise, so that the first telescopic rod 9 shifts clockwise, then the two universal-connected wheels deflect to the right through the connecting rod 10, so that the cart 1 starts to shift, so that the nozzle 4 always faces the position of the notch, and during the shifting of the cart 1, the center of the nozzle 4 starts to move toward the axis of the notch, so that the probe 5 also starts to reset, so that the direction-adjusting gear 7 rotates to the previous direction in the opposite direction until the probe 5 resets, then through the transmission, make carousel 8 reset, thereby make two universal wheels also reset, continue to promote shallow 1 this moment, so shower nozzle 4 will continue to move along the position of notch, thereby the guide effect of cementation of fissures in-process has been realized, avoid the cementation of fissures glue outflow operation notch, and if shift to the right, similar transmission also can take place for relative mechanism, make shower nozzle 4 also get back to the position of contrast notch again, be provided with the trigger device and the probe rod 5 that are connected with probe rod 5 on the shower nozzle 4 in addition and have the flow control device of control pitch flow through the trigger device drive, and trigger device and flow control device cooperation satisfy: when the two probe rods 5 move relatively, the flow of the crack pouring glue passing through the spray head 4 is reduced, and when the two probe rods 5 move back to back, the flow of the crack pouring glue passing through the spray head 4 is increased.

Example 2, on the basis of example 1, referring to fig. 5, a conveying system includes an asphalt pump 3 which is communicated with the bottom end of a hot melting box 2 and is fixedly installed on a cart 1, and the asphalt pump 3 is driven by a driving device, the driving device is generally a special driving motor driven by the asphalt pump 3, the driving motor is also electrically connected with a controller and is connected with a storage battery, the asphalt pump 3 is communicated with a spray head 4, and a general pipeline is easily damaged due to high temperature of molten joint compound, and if the joint compound is molten in the conveying process, blockage occurs, so that the whole device cannot be used, therefore, the pipeline communicated between the asphalt pump 3 and the spray head 4 and the hot melting box 2 adopts an electrically heated discharge hose which is electrically heated and is provided with a temperature control sensor, and by a mechanical winding way, the flexible pipeline is manufactured on a high-temperature-resistant and high-pressure-resistant pipeline and used for high-temperature and high-pressure transmission of hot fluid, an electric heating hose is connected with a power supply and then electrically connected with a controller, so that before molten crack pouring glue is conveyed, the electric heating hose is started, a driving motor of an asphalt pump 3 is started after a certain temperature is reached, the crack pouring glue liquid is conveyed to a spray head 4, in addition, after crack pouring is finished, the driving motor of the asphalt pump 3 is controlled by the controller to rotate in the opposite direction, the crack pouring glue liquid in the electric heating hose flows back to a hot melting box 2, and the crack pouring glue liquid is prevented from being retained in the electric heating hose;

preferably, the bottom end of the hot melting box 2 can be made into an arc shape, the bottom end of the arc shape is communicated with the electric heating hose, so that the melted joint sealant flows to the position through gravity, and the retention of the joint sealant in the hot melting box 2 can be reduced under the action of the asphalt pump 3.

Embodiment 3, on the basis of embodiment 2, referring to fig. 7, 8, 9 and 11, the flow control device includes a mounting cylinder 11 disposed at the upper end of the nozzle 4 and communicated with the electrically heated discharge hose, and a driving disc 12 is rotatably mounted on the top wall of the mounting cylinder 11, and the lower end surface of the driving disc 12 is provided with an equihexagonal chute 13, and further, the bottom wall of the mounting cylinder 11 is also provided with straight slots 14 at equal intervals and in one-to-one correspondence with the six sides of the chute 13, and the straight slots 14 are tangent to the inner wall of the nozzle 4, and flow control plates 15 are slidably mounted in the six straight slots 14, and each flow control plate 15 is in sliding fit with a part of one side of the hexagonal chute 13, so that when the driving disc 12 is rotated, under the action of the straight slots 14 and the chute 13, the six flow control plates 15 can be aggregated or dispersed, that is, i.e. the caliber of the outlet of the nozzle 4 becomes, in order to drive the driving disc 12 to rotate, a part extends out of the outer circular surface of the driving disc 12, an arc-shaped groove 44 allowing the part to pass through is formed in the mounting cylinder 11, the part is connected with an L-shaped rod 45, the other end of the L-shaped rod 45 is connected with an arc-shaped rack 16 rotatably mounted on the outer circular surface of the spray head 4, the arc-shaped rack 16 is driven by a trigger device, the arc-shaped rack 16 is driven only when the two probe rods 5 move relatively or oppositely, and in an initial state, the six flow control plates 15 are not completely opened or closed, as shown in fig. 7, the diameter of the spray head 4 corresponding to the discharge flow under the conventional groove width is obtained, and at this time, the connection part of the L-shaped rod 45 and the driving disc 12 is relatively located near the diameter of the mounting cylinder 11 parallel to the cart.

Embodiment 4, on the basis of embodiment 3, referring to fig. 11, the triggering device includes a first wedge block 17 which is in sliding fit with one end of the spur rack 6, which is far away from the cart 1, laterally, and a second spring 35 is connected between the first wedge block 17 and the spur rack 6, the first wedge block 17 is fitted with a second wedge block 18 which is vertically slidably mounted on the outer circumferential surface of the spray head 4, and a third spring 36 is connected between the second wedge block 18 and the spray head 4, in an initial state, that is, when just put into the opened slot, due to a slight difference in the width of the opened slot, the inclined surface of the first wedge block 17 completely or partially abuts against the inclined surface of the second wedge block 18, and the telescopic state of the second spring 35 is determined according to the specific situation, but the third spring 36 is in a compressed state, the first spring 34 is also in a compressed state, and the tooth system 19 is arranged on one side of the second wedge block 18, which is far away from the cart 1, and the tooth system 19 is engaged with, and driving gear 20 is connected with driven gear 21 through the transmission of second area, and driven gear 21 and the meshing of arc rack 16, like this along with the vertical removal of second wedge 18, just can drive driving gear 20 and rotate repeatedly, then through the transmission, make the reciprocal rotation on 4 lateral walls of shower nozzle of arc rack 16, then drive driving-disc 12 through L type pole 45 and rotate, thereby make six accuse of flowing board 15 gather together or disperse, control the ejection of compact flow of shower nozzle 4 promptly, the relative position of first wedge 17 and second wedge 18 decides 4 bores of shower nozzle promptly: when the groove width is smaller, the first wedge block 17 moves in the direction away from the cart 1, so that the second wedge block 18 moves upwards, so that the driving gear 20 rotates anticlockwise (viewing angle shown in fig. 11), the driven gear 21 rotates anticlockwise through second belt transmission, so that the arc-shaped rack 16 shifts in the direction away from the cart 1 on the spray head 4, so that the six flow control plates 15 move in the direction of gathering, so that the caliber of the spray head 4 becomes smaller, the outflow amount of the joint compound is reduced, thereby avoiding overflow of the joint compound from the groove, similarly, when the groove width is larger, the first wedge block 17 moves away from the second wedge block 18, so that the contact area between the first wedge block and the second wedge block is gradually reduced to be separated, the second wedge block 18 gradually descends under the action of the third spring 36, so that the driving gear 20 rotates clockwise, and then the arc-shaped rack 16 shifts in the direction close to the cart 1 through transmission, therefore, the driving disc 12 deflects towards the direction close to the cart 1, the six flow control plates 15 are gradually dispersed, the caliber of the nozzle 4 is enlarged, the discharge amount of the crack pouring glue is increased, the wider groove can be filled with the crack pouring glue, and the purpose of controlling the flow of the nozzle 4 is achieved;

however, when the spray head 4 is shifted, the relative position of the two probes 5 is changed, that is, the relative position of the first wedge-shaped block 17 and the second wedge-shaped block 18 is changed, for example, when the spray head 4 is shifted to the left, the probe 5 near the cart 1 is pressed and moves away from the cart 1 relative to the spray head 4, at this time, the other probe 5 moves away from the cart 1 relative to the spray head 4, at this time, the first wedge-shaped block 17 also moves away from the cart 1 under the action of the second spring 35, and similarly presses the second wedge-shaped block 18 to move upward, and if the probe 5 is shifted to the right, the probe 5 far from the cart 1 is pressed and moves toward the cart 1 relative to the spray head 4, then the other probe 5 moves toward the cart 1 relative to the spray head 4 under the action of the first spring 34, at this time, the first wedge block 17 is gradually far away from the second wedge block 18, so that the second wedge block 18 limits the position of the second wedge block 18 and moves downwards, in the two cases, the arc-shaped rack 16 is also driven to change the caliber of the spray head 4, therefore, in order to avoid the situation, referring to the attached drawing 15, a limiting plate 22 is arranged at the bottom end of the first wedge block 17, so that when the spray head 4 shifts to the right and the first wedge block 17 is far away from the second wedge block 18, the bottom end of the second wedge block 18 is limited by the limiting plate 22 and cannot move downwards, referring to the attached drawing 14, a platform which is attached to the side wall, facing the cart 1, of the second wedge block 18 extends out from the part where the second wedge block 18 is connected with the spray head 4, a protrusion 46 is arranged at the end, facing away from the spray head 4, and a positioning rod 25 is arranged on the side, where the second wedge block 18 is attached to the platform, in a transverse sliding mode, and, in the initial position, the positioning rod 25 is located below the projection 46 in the mounting position of the second wedge block 18, therefore, when the nozzle 4 is shifted to the left to enable the first wedge-shaped block 17 to be close to the second wedge-shaped block 18, the second wedge-shaped block 18 cannot rise under the action of the positioning rod 25 and the protrusion 46, and after the first wedge-shaped block 17 is attached to the second wedge-shaped block 18, even if the spray head 4 is continuously biased to the left, only when the second spring 35 is compressed, the relative positions of the first wedge-shaped block 17 and the second wedge-shaped block 18 are unchanged, but the second wedge block 18 cannot be limited at all times, so that when the two feeler levers 5 move back and forth, the second wedge block 18 cannot move downwards, so that the caliber of the spray head 4 cannot be enlarged, the rising of the second wedge-shaped block 18 cannot be always limited, thus, the caliber of the nozzle 4 cannot be reduced when the two feeler levers 5 move relatively, so that the flow control is invalid;

therefore, referring to fig. 15, a limiting hole 23 corresponding to the second wedge-shaped block 18 is formed in the limiting plate 22, so that after the first wedge-shaped block 17 is away from the second wedge-shaped block 18 by a certain distance, the second wedge-shaped block 18 is also matched with the limiting hole 23 to gradually descend, but the width of the limiting hole 23 is slightly larger than the width of the inclined plane of the second wedge-shaped block 18, and the length of the limiting hole 23 is smaller than the length of the inclined plane of the second wedge-shaped block 18, so that the inclined plane of the second wedge-shaped block 18 does not completely extend into the limiting hole 23, and the first wedge-shaped block 17 cannot be matched with the second wedge-shaped block 18, and referring to fig. 11, the probe 5 away from the cart 1 is provided with a fourth spring 37 and a blocking plate 24, and the limiting plate 22 is provided with a gap of the blocking plate 24 along the extending direction, so that the blocking plate 24 is attached to the limiting plate 22 and the upper end surface of the blocking plate 24 is flush, and referring to fig. 14, a groove 47 is further provided on the side of the platform facing the second wedge-shaped block 18, and a fifth spring 38 is provided in the groove 47, which cooperates with the positioning rod 25, the elastic coefficient of the fifth spring 38 is smaller than the elastic coefficient of the fourth spring 37, and one end of the fifth spring 38 is fixedly mounted on the bottom wall of the groove 47, and the other end is not connected to any component, but abuts against the sidewall of the positioning rod 25 (initial position is shown in fig. 13), so that when the nozzle 4 is biased to the left, the second wedge-shaped block 18 will not rise under the action of the positioning rod 25 and the protrusion 46, when the nozzle 4 is biased to the right, both probe rods 5 move toward the cart 1, so that the first wedge-shaped block 17 gradually disengages from the second wedge-shaped block 18, but the relative position of the blocking plate 24 on the limiting plate 22 is substantially unchanged, then a part of the limiting hole 23 will still be blocked by the blocking plate 24, then the second wedge block 18 still does not extend into the limiting hole 23, and when the groove width is reduced, the two feeler levers 5 move relatively, the fourth spring 37 may contact with the positioning rod 25, and gradually push the positioning rod 25 in the process of continuing to deflect rightward, so that the positioning rod is separated from the second wedge block 18 and enters the groove 47, at this time, the first wedge block 17 can gradually jack up the second wedge block 18, so that the driving gear 20 rotates counterclockwise under the action of the gear system 19, the driven gear 21 also rotates counterclockwise through the second belt transmission, so that the arc rack 16 deviates toward an angle away from the cart 1, and then the L-shaped lever 45 drives the driving disc 12 to rotate, so that the six flow control plates 15 are gathered together, the aperture of the spray head 4 is reduced, the purpose of reducing the flow is achieved, similarly, when the groove width is increased, the two feeler levers 5 move back to back, so that the first wedge block 17 is separated from the second wedge block 18 gradually, the blocking plate 24 also moves relative to the limiting plate 22, so that the limiting hole 23 leaks, the second wedge-shaped block 18 extends into the limiting hole 23 to descend, the driving gear 20 rotates clockwise through the gear system 19, and the driving disc 12 moves in the opposite direction through transmission, so that the caliber of the spray head 4 is increased, and the purpose of increasing the flow is achieved;

it should be noted that when grooving along a crack, the position of the groove width change should be chamfered to facilitate the movement of the probe 5, and the flow control range of the flow control device is determined by the size of the slopes of the first wedge 17 and the second wedge 18.

Example 5, on the basis of example 3, referring to fig. 2 and fig. 3, in order to avoid abrasion of the probe 5 when the device is not used to move the cart 1, we rotatably install a driving gear 26 on the side of the cart 1 facing the spray head 4 and the upper end of the driving gear 26 is provided with an eccentric rod, and longitudinally slidably install a stopper 27 engaged with the driving gear 26 on the cart 1 and a sixth spring 39 is connected between the stopper 27 and the cart 1, and the driving gear 26 is connected with a lead screw 28 rotatably installed on the side of the cart 1 facing the spray head 4 through a third belt transmission, and the lead screw 28 is in threaded engagement with the mounting tube 11, at this time, the mounting tube 11 is in vertical sliding engagement with the cart 1, and in addition, the cart 1 is transversely slidably installed with a baffle 29 engaged with the stopper 27, so that, at the initial state, the threaded engagement part of the mounting tube 11 and the lead, therefore, the bottom end of the probe rod 5 can be separated from the ground, the tip of the limiting block 27 abuts against the tooth root of the driving gear 26 at the moment, the driving gear 26 cannot rotate easily, the installation cylinder 11 cannot move easily, when the installation cylinder is used, the limiting block 27 is firstly pulled to be separated from the driving gear 26, then the limiting block 27 is blocked by the slide baffle 29, the limiting block 27 is kept in a separated state from the driving gear 26, then an operator can rotate the driving gear 26 through the eccentric rod, the installation cylinder 11 gradually descends until the probe rod 5 extends into the groove, after the crack is filled, the installation cylinder 11 is reset, and the limiting block 27 is matched with the driving gear 26 to limit the driving gear 26 again.

Embodiment 6, on the basis of embodiment 4, referring to fig. 9, we have a pressing plate 30 at the lower end of the spray head 4, and the pressing plate 30 is in sliding fit with the two probe rods 5, at this time, the direction-adjusting gear 7 is rotatably mounted on the pressing plate 30, and the joint compound flowing into the groove cannot flow out from the two sides of the groove through the pressing plate 30.

Embodiment 7, on the basis of embodiment 6, referring to fig. 2 and fig. 6, two first connecting rods symmetrically arranged are rotatably mounted on one side of a pressing plate 30 away from a probe rod 5, the other end of each first connecting rod is rotatably connected with a pressing roller 31, a torsion spring is connected between each first connecting rod and the pressing plate 30, and joint compound is pressed flat through the pressing rollers 31, so that the repair is more attractive, and the traveling crane cannot bump;

referring to fig. 18, a collecting box 32 matched with the press roller 31 is further arranged on the press plate 30, and one side of the collecting box 32 facing the press roller 31 is in a pointed cone shape and abuts against the press roller 31, so that the joint sealing glue adhered on the surface of the press roller 31 is scraped off in the repairing process, and the influence on the appearance and the joint sealing effect due to the unevenness of the joint sealing glue is avoided.

Embodiment 8, on the basis of embodiment 6, due to the existence of the first spring 34, the two probe rods 5 both tend to move away from each other, so that the two probe rods 5 are located at the maximum end of the moving range without limitation, and the distance between the two probe rods 5 is at the maximum, when the probe rods 5 are placed in the groove before, an operator needs to respectively hold the two probe rods 5 and move towards the middle of the two probe rods 5, so that the distance between the two probe rods 5 is reduced, and the other hand screws the driving gear 26 to move the mounting barrel 11 downwards, so that the probe rods 5 are placed in the groove, but not only is the operation more troublesome, but also the distance for holding each probe rod 5 to move may not be equal and unstable, i.e. the distance for moving each probe rod 5 may not be equal and may also be offset towards a certain direction, which may cause the probe rods 5 to sometimes not be in the range of the notch, in order to facilitate and correct operation, referring to fig. 9, shift levers 40 are rotatably mounted on the upper end of the pressing plate 30 on the symmetrical axes of the two levers 5 in a coaxial crossing manner, the two shift levers 40 are rotatably connected with second connecting rods 42, the second connecting rods 42 are rotatably connected with round rods 41, the ends of the round rods 41 are provided with round bosses, and the round rods 41 are in clearance fit with the levers 5, so that the two shift levers 40 are in symmetrical positions under the action of the first spring 34, the ends of the two shift levers 40 are simultaneously pinched by one hand, the eccentric rods are pinched by the other hand, before the driving gear 26 is twisted, the two shift levers 40 are pinched first, so that the ends of the two shift levers 40 far away from the nozzle 4 are close to each other, the two round rods 41 are driven to move relatively by the second connecting rods 42, the two levers 5 are driven to move relatively due to the existence of the round bosses, and the levers 5 can be in transverse sliding fit with the pressing plate 30, the probe 5 will not shift when moving, so that the preparation work before placing the probe 5 is completed, and after the placement is completed, the operator can release the shift lever 40, and the two probes 5 move back to back under the action of the first spring 34 until the lower ends of the probes 5 are attached to the groove walls, and the shift lever 40 also moves along with the shift lever.

Embodiment 9, on the basis of embodiment 1, after the crack pouring sealant is melted in the hot-melting box 2, bubbles are inevitably generated therein, and if the bubbles are not broken in time, the bubbles will occupy a certain volume after being transferred into the groove along with the crack pouring sealant, and if the bubbles are broken after the crack is repaired, the repaired crack pouring sealant will be recessed or have a gap inside, thereby affecting the repairing effect, therefore, an ultrasonic vibration bar 33 is arranged at a position of the end cover of the hot-melting box 2 close to the outer circumferential surface, and the ultrasonic vibration bar utilizes the positive and negative pressure alternating period existing in the transmission process of ultrasonic waves, and extrudes medium molecules during positive phase, thereby increasing the original density of the medium; in negative phase, medium molecules are sparse and discrete, the density of the medium is reduced, the ultrasonic vibrating rod can uniformly generate ultrasonic waves at 360 degrees around, the output of the energy is not affected by the load changes such as liquid level, temperature difference and the like, the ultrasonic vibrating rod generally comprises a high-power ultrasonic transducer, an amplitude transformer and a tool head (a transmitting head) and is used for generating ultrasonic vibration and transmitting the vibration energy into the liquid, so that bubbles in the crack pouring glue are broken, the power output of the ultrasonic vibration rod is not influenced by load changes such as liquid level, tank body capacity, temperature difference and the like, the power output is stable and uniform, the ultrasonic vibration rod 33 is electrically connected with the controller, after the temperature inside the hot melting box 2 reaches a certain temperature, the stirrer 43 is started to accelerate the melting of the crack pouring glue, then the ultrasonic vibration rod 33 is started to break the bubbles in the crack pouring glue, and the stirrer 43 and the ultrasonic vibration rod 33 are closed after the crack pouring is finished.

Embodiment 10, on the basis of embodiment 1, and referring to fig. 4, we have two auxiliary wheels between the asphalt pump 3 and the connecting rod 10 on both sides of the bottom end of the cart 1 in the transverse direction, so that the weight of the entire cart 1 is concentrated on the rear four wheels, and the universal wheels connected to the connecting rod 10 do not bear a large weight, so that it is easier to deflect the two universal wheels during steering.

Be provided with the wire hole in the embodiment of this patent, the electronic component's of being convenient for line connection to the part that mentions in this patent embodiment all adopts high temperature resistant material to make, avoids the pouring sealant high temperature liquid after melting to cause the damage to it.

The invention better solves the problem that the spray head 4 can deviate relative to the notch in the moving process, the lower end of the spray head 4 is provided with the probe 5 which is attached to the wall of the groove, and the deflection direction of the wheels of the cart 1 is controlled by the position change of the probe 5 relative to the spray head 4, so that the spray head 4 always faces to the notch;

the flow control device matched with the probe rods 5 is arranged, when the two probe rods 5 move oppositely or oppositely, the width of the groove is reduced or enlarged, then the flow control device is controlled by the trigger device, so that when the width of the groove is reduced, the flow is reduced, and when the width of the groove is enlarged, the flow is enlarged, thereby avoiding that no crack pouring glue is filled in the groove or the crack pouring glue overflows;

the ultrasonic vibration rod 33 is further arranged in the hot melting box 2, and bubbles in the melted crack pouring glue are broken through the ultrasonic vibration rod 33, so that the problem that the filling effect is influenced because the crack pouring glue with bubbles is filled in the groove is avoided.

The above description is only for the purpose of illustrating the present invention, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.

Claims

1. Bituminous paving crack filling device, including go up fixed mounting in shallow (1) and be used for melting hot melt case (2) that pitch or cementation of fissures glue, and shallow (1) lower extreme is the rectangle and is provided with four wheels, its characterized in that, hot melt case (2) are connected with through conveying system and set up shower nozzle (4) and shower nozzle (4) on shallow (1) right side symmetry be provided with two with shower nozzle (4) lateral sliding complex probe rod (5), and be connected with first spring (34) between probe rod (5) and shower nozzle (4), are close to be provided with on probe rod (5) of shallow (1) one side spur rack (6) and spur rack (6) meshing have rotation and install diversion gear (7) on shower nozzle (4), diversion gear (7) drive have rotation install carousel (8) and carousel (8) outer disc stretch out the end and be connected with the rotation and install the first of stretching in shallow (1) bottom and stretch out The axis of the first telescopic rod (9) is longitudinally arranged at intervals with the rotary table (8), the other end of the first telescopic rod (9) is rotatably connected with a connecting rod (10), and two ends of the connecting rod (10) are respectively rotatably connected with a wheel;

be provided with trigger device and probe rod (5) be connected with probe rod (5) on shower nozzle (4) and have the flow control device of control pitch flow through the trigger device drive, trigger device and the cooperation of flow control device satisfy: when the two probe rods (5) move relatively, the flow is reduced, and when the two probe rods (5) move back to back, the flow is increased.

2. The asphalt pavement crack filling device according to claim 1, characterized in that the conveying system comprises an asphalt pump (3) which is communicated with the hot melting box (2) and is fixedly installed on the cart (1), the asphalt pump (3) is driven by a driving device, and the asphalt pump (3) is communicated with the spray head (4);

the asphalt pump (3) is communicated with the spray head (4) and the hot melting box (2) through an electric heating discharge hose.

3. The asphalt pavement crack filling device according to claim 2, wherein the flow control device comprises a mounting cylinder (11) arranged at the upper end of the spray head (4) and communicated with an electric heating discharge hose, a driving disk (12) is rotatably arranged on the top wall of the mounting cylinder (11), and the lower end surface of the driving disk (12) is provided with an equihexagonal sliding chute (13), straight grooves (14) which are in one-to-one correspondence with the six sides of the sliding groove (13) are arranged on the bottom wall of the mounting cylinder (11) at equal intervals, the straight grooves (14) are tangent with the inner wall of the spray head (4), the flow control plates (15) are respectively matched in the sliding grooves (13) in a sliding way, the flow control plates (15) are matched with the straight grooves (14) in a sliding way, the part of the outer circular surface of the driving disk (12) extending out of the mounting cylinder (11) is connected with an arc-shaped rack (16) rotatably mounted on the outer circular surface of the spray head (4), and the arc-shaped rack (16) is connected with a trigger device.

4. The asphalt pavement crack filling device according to claim 3, wherein the triggering device comprises a first wedge block (17) which is in transverse sliding fit with one end of the straight rack (6) departing from the cart (1), a second spring (35) is connected between the first wedge block (17) and the straight rack (6), a second wedge block (18) which is vertically and slidably mounted on the outer circular surface of the spray head (4) is matched with the first wedge block (17), a third spring (36) is connected between the second wedge block (18) and the spray head (4), a tooth system (19) is arranged on one side of the second wedge block (18) departing from the cart (1), a driving gear (20) is meshed with the tooth system (19), the driving gear (20) drives a driven gear (21) rotatably mounted on the outer circular surface of the spray head (4), and the driven gear (21) is meshed with the arc-shaped rack (16), first wedge (17) bottom is provided with limiting plate (22) and limiting plate (22) on be provided with second wedge (18) complex spacing hole (23), keep away from be provided with on probe rod (5) of shallow (1) with spacing hole (23) complex block board (24) and this probe rod (5) be provided with fourth spring (37) towards shallow (1) one side, second wedge (18) are provided with locating lever (25) and shower nozzle (4) lateral sliding fit that correspond with fourth spring (37) towards shallow (1) one side, and are provided with fifth spring (38) between locating lever (25) and shower nozzle (4), it is provided with arch (46) to lie in locating lever (25) top on shower nozzle (4).

5. The asphalt pavement crack filling device according to claim 3, wherein the driving gear (26) is rotatably installed on one side of the cart (1) facing the spray head (4) and an eccentric rod is arranged at the upper end of the driving gear (26), the limiting block (27) matched with the driving gear (26) is longitudinally slidably installed on the cart (1), a sixth spring (39) is connected between the limiting block (27) and the cart (1), the driving gear (26) drives a lead screw (28) rotatably installed on one side of the cart (1) facing the spray head (4) and the lead screw (28) is in threaded fit with the installation cylinder (11), the installation cylinder (11) is in vertical sliding fit with the cart (1), and a baffle plate (29) matched with the limiting block (27) is transversely slidably installed on the cart (1).

6. The asphalt pavement crack filling device according to claim 4, characterized in that a pressure plate (30) is arranged at the lower end of the spray head (4), the pressure plate (30) is in transverse sliding fit with the two probe rods (5), and the direction adjusting gear (7) is rotatably mounted on the pressure plate (30).

7. The asphalt pavement crack filling device according to claim 6, characterized in that one side of the pressing plate (30) away from the probe rod (5) is rotatably provided with two first connecting rods which are symmetrically arranged, the other end of each first connecting rod is rotatably connected with a compression roller (31), and a torsion spring is connected between each first connecting rod and the pressing plate (30);

the pressing plate (30) is provided with a collecting box (32) matched with the pressing roller (31), and the collecting box (32) is in a pointed cone shape facing one side of the pressing roller (31) and is abutted against the pressing roller (31).

8. The asphalt pavement crack filling device according to claim 6, characterized in that the upper end of the pressing plate (30) is positioned on the symmetry axes of the two feelers (5) and is provided with a shift lever (40) in a coaxial and crossed manner, the shift lever (40) is rotatably connected with a second connecting rod (42), the second connecting rod (42) is rotatably connected with a round rod (41), the tail end of the round rod (41) is provided with a circular truncated cone, and the feelers (5) are in clearance fit.

9. The asphalt pavement crack filling device according to claim 1, characterized in that an ultrasonic vibration rod (33) is arranged in the hot melting box (2).

10. The asphalt pavement crack filling device according to claim 1, characterized in that two auxiliary wheels are arranged on two lateral sides of the bottom end of the cart (1) between the asphalt pump (3) and the connecting rod (10).