CN218090426U - Laying device for road repairing asphalt mixture - Google Patents

Abstract

The utility model discloses a laying device that bituminous mixture was used is repaired to road belongs to road repair technical field, the on-line screen storage device comprises a device base, power supply mechanism, storage mechanism, pitch liquid lays the mechanism, rotary mechanism, upper and lower actuating mechanism and supporting mechanism, one side on the upper portion of device base is provided with storage mechanism, storage mechanism is pitch liquid laying mechanism supply pitch, the other actuating mechanism from top to bottom that is provided with of storage mechanism, upper and lower actuating mechanism control rotary mechanism's up-and-down motion, pitch liquid laying mechanism detachable sets up on rotary mechanism, rotary mechanism control pitch liquid laying mechanism's ejection of compact pipeline's opening direction, can upwards adjust ejection end of ejection of compact pipeline, thereby make the residual liquid can not continue the drippage again, in case the height of pitch liquid laying component is too high simultaneously, can also lay the component downwards with pitch liquid, so just can prevent pitch liquid to sputter all around, avoid causing the injury to the staff, the construction safety is high.

Description

Laying device for road repairing asphalt mixture

Technical Field

The utility model relates to a road repair technical field, especially a laying device that bituminous mixture was used is repaired to road.

Background

Asphalt is a viscous, black petroleum oil with high viscosity in liquid or semisolid form, the surface of which is black, and is soluble in carbon disulfide and carbon tetrachloride, and the asphalt can be mainly classified into coal tar asphalt, petroleum asphalt and natural asphalt: among them, coal tar pitch is a by-product of coking, petroleum pitch is a residue after crude oil fractionation, natural pitch is stored underground, some forms of mineral layers or is piled on the surface of the crust, the main use of pitch, about 70% of which is used in road construction, pitch is used as glue or binder mixed with building aggregate particles to produce asphalt concrete, other main uses of pitch are for asphalt waterproofing including linoleum production and flat roof sealing, asphalt materials are used in road repair, and asphalt paving apparatuses are used, but conventional asphalt paving apparatuses have the following drawbacks:

1. the component that is used for the pitch ejection of compact at first is fixed mounting on equipment, can't adjust, and then pitch when laying and finishing collecting, on the component of the ejection of compact, still can drop the pitch residual liquid, and unrestrained on the road not only can cause the waste, and the later stage still is difficult to the clearance.

2. The height of the discharged component cannot be adjusted, so that when the height of the component is too high, asphalt liquid drops lag behind and can be sputtered all around, and the temperature of asphalt liquid is higher, so that the operator can be injured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing the component that is used for the pitch ejection of compact in solving the background art, be fixed mounting on equipment, can't adjust, and then pitch when laying and finishing and collecting, on the component of the ejection of compact, still can low pitch residual liquid, unrestrained on the road, not only can cause the waste, the later stage still is difficult to the clearance, the height of the component of the ejection of compact is unable to adjust, consequently when the height of component is too high, the pitch liquid drop falls behind, just can be to sputtering all around, and the temperature of pitch liquid is higher, can cause the technical problem of injury to the staff, a road repair laying device that bituminous mixture used has been designed.

The technical scheme of the utility model is that, a paving device for road asphalt mixture repair, including device base, power supply mechanism, storage mechanism, pitch liquid paving mechanism, rotary mechanism, upper and lower actuating mechanism and supporting mechanism, the bottom of device base be provided with the drive wheelset, one side on the upper portion of device base be provided with storage mechanism, storage mechanism supplies pitch for pitch liquid paving mechanism, storage mechanism side be provided with upper and lower actuating mechanism, upper and lower actuating mechanism control rotary mechanism's up-and-down motion, pitch liquid paving mechanism detachable set up on rotary mechanism, rotary mechanism control pitch liquid paving mechanism's discharge pipeline's opening direction, the opposite side of device base be provided with supporting mechanism and power supply mechanism, supporting mechanism is used for fixing whole paving device, power supply mechanism is used for the power supply of upper and lower actuating mechanism, rotary mechanism; the device base below the asphalt liquid laying mechanism is provided with an opening convenient for discharging of a discharging pipeline.

Preferably, upper and lower actuating mechanism include mount, step motor one and threaded rod, the opening setting at the middle part of device base, the mount pass through two mounting bolts and fix the opening part on the device base, the top of mount be provided with the step motor one that the motor shaft set up down, step motor one drives the threaded rod and rotates, a side of mount be provided with the slip recess, rotary mechanism include alignment jig, step motor two and installation carousel, the alignment jig on be provided with the slip subassembly, slip subassembly and slip recess sliding connection, two motor shaft levels of step motor set up, the motor shaft drives the rotation of installation carousel, pitch liquid lay the discharge tube's of mechanism tip be provided with installation carousel complex ring flange, the installation carousel can dismantle with the ring flange and be connected, the threaded rod run through one side of alignment jig, the rotation of threaded rod drives the up-and-down motion of alignment jig.

Preferably, the fixing ring II is arranged on the outer side of the mounting turntable of the adjusting frame, the fixing ring I is arranged on the outer side of the fixing ring II, a limiting sliding groove is formed between the fixing ring I and the fixing ring II, a sliding pin is slidably mounted in an inner cavity of the limiting sliding groove, the front end of the surface of the sliding pin is sleeved with the mounting hoop frame, and one end of the mounting hoop frame is inserted into the inner cavity of the mounting turntable.

Preferably, the asphalt liquid laying mechanism is communicated with a liquid guide pipe, one end of the liquid guide pipe is communicated with a material storage mechanism, the other end of the liquid guide pipe is connected with an inlet of an asphalt pump, an outlet of the asphalt pump is communicated with a discharge pipeline, the discharge pipeline is a hose, the bottom of the material storage mechanism is fixedly installed on a device base, and the top of the material storage mechanism is communicated with a material injection pipe.

Preferably, the power supply mechanism include the mounting bracket one of fixed mounting on the device base, all demountable installation has solar panel on the inclined plane of a mounting bracket top both sides, solar panel charges for the battery, the battery is connected with step motor one and step motor two electricity, the top fixed mounting of mounting bracket one has the glass guard plate, the equal fixed mounting in both ends of mounting bracket one inboard has the bracing.

Preferably, the supporting mechanism include the welding at the left welding frame of device base, the inboard movable mounting of welding frame has the returning face plate, one side fixedly connected with connecting plate at returning face plate top, one side movable mounting of connecting plate has the push cylinder, one side movable mounting of push cylinder has mounting bracket two, one side fixed connection of mounting bracket two is on the device base.

Preferably, the sliding assembly comprises a roller mounting rack which is welded at the rear side of the adjusting rack and slides in the inner cavity of the sliding groove, sliding rollers are movably mounted on two sides of the roller mounting rack in an embedded mode, and the two sliding rollers roll on the inner wall of the sliding groove in an attached mode.

Preferably, the right side fixed mounting of device base have solid fixed ring, through solid fixed ring's setting, at laying device outage, when not having the unable removal of driving energy, the user can be through solid fixed ring and pull the rope, will pull the rope again and be on mobile device, just can drive laying device through mobile device and remove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, lay the mechanism with pitch liquid and set to adjustable form, make pitch liquid lay the mechanism after laying the completion, can upwards adjust the exit end, thereby make the residual liquid can not continue to drip again, and then also can not low fall on the road, can not cause the waste, also make things convenient for the cleaning work in later stage to go on, in case pitch liquid lays the height of mechanism too high simultaneously, can also lay the mechanism with pitch liquid and adjust downwards, so just can prevent pitch liquid to sputter all around, avoid causing the injury to the staff, the construction safety is high.

2. The utility model discloses a setting of two construction bolts can carry out the dismouting to the mount to make things convenient for the later stage to maintain whole device.

3. The utility model discloses a solid fixed ring's setting, at the laying device outage, when not having the unable removal of the driving energy, the user can be through solid fixed ring and pull the rope on tying, will pull the rope system again on the mobile device, just can drive laying device through the mobile device and remove.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of an embodiment of the present invention;

fig. 2 is a left side partial structure perspective view of an embodiment of the present invention;

fig. 3 is a perspective view of a right side partial structure of an embodiment of the present invention;

fig. 4 is a partially-structured exploded perspective view according to an embodiment of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. the device comprises a device base, 2, a mounting bolt, 3, a fixing frame, 4, a first stepping motor, 5, a threaded rod, 6, a sliding groove, 7, an adjusting frame, 8, a first fixing ring, 9, a second fixing ring, 10, a limiting sliding chute, 11, a sliding pin, 12, a mounting hoop frame, 13, a second stepping motor, 14, a mounting turntable, 15, an asphalt liquid laying mechanism, 16, a liquid guide pipe, 17, a storage mechanism, 18, a material injection pipe, 19, a power supply device, 20, a driving wheel set, 21, a supporting mechanism, 22, a fixing ring, 23, a sliding assembly, 191, a first mounting frame, 192, a solar panel, 193, a glass protection plate, 194, an inclined strut, 211, a welding frame, 212, a turnover plate, 213, a connecting plate, 214, a second mounting frame, 215, a pushing cylinder, 216, a stable clamping tooth, 231, a roller, a mounting frame 232 and a sliding roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper/lower end", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed/sleeved," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a laying device that bituminous mixture was used is repaired to road, includes device base 1, power supply mechanism 19, storage mechanism, pitch liquid laying mechanism 15, rotary mechanism, upper and lower actuating mechanism and supporting mechanism 21, device base 1's bottom be provided with drive wheelset 20, one side on device base 1's upper portion be provided with storage mechanism 17, storage mechanism 17 supplies with pitch for pitch liquid laying mechanism 15, storage mechanism 17 other be provided with upper and lower actuating mechanism, upper and lower actuating mechanism control rotary mechanism's up-and-down motion, pitch liquid laying mechanism 15 detachable set up on rotary mechanism, rotary mechanism control pitch liquid laying mechanism 15's discharge pipe's opening direction, upper and lower actuating mechanism includes mount 3, step motor 4 and threaded rod 5, pitch liquid laying mechanism 15 below on be provided with the opening of the discharge pipe ejection of compact of being convenient for. The opening setting at the middle part of device base 1, mount 3 fix the opening part on device base 1 through two construction bolts 2, the top of mount 3 be provided with step motor 4 that the motor shaft set up down, step motor 4 drive threaded rod 5 rotates, a side of mount 3 be provided with slip recess 6, rotary mechanism include alignment jig 7, step motor two 13 and installation carousel 14, alignment jig 7 on be provided with slip subassembly 23, slip subassembly 23 and slip recess 6 sliding connection, slip subassembly 23 including the welding at alignment jig 7 rear side and at the gliding gyro wheel mounting bracket 231 of 6 inner chambers of slip recess, the equal embedded movable mounting in both sides of gyro wheel mounting bracket 231 has slip gyro wheel 232, two slip gyro wheels 232 all hug closely at the inner wall roll of slip recess 6. The motor shaft of the second stepping motor 13 is horizontally arranged, the motor shaft drives the installation turntable 14 to rotate, the threaded rod 5 is in threaded connection with one side of the adjusting frame 7, and the threaded rod 5 rotates to drive the adjusting frame 7 to move up and down. The asphalt liquid laying mechanism 15 is communicated with a liquid guide pipe 16, one end of the liquid guide pipe 16 is communicated with a material storage mechanism 17, the material storage mechanism 17 is a liquid storage tank, the other end of the liquid guide pipe 16 is connected with an inlet of an asphalt pump, an outlet of the asphalt pump is communicated with a discharge pipeline, the discharge pipeline is a hose, the bottom of the material storage mechanism 17 is fixedly installed on the device base 1, and the top of the material storage mechanism 17 is communicated with a material injection pipe 18. The tip of the ejection of compact pipeline of pitch liquid laying mechanism 15 be provided with installation carousel 14 complex ring flange, installation carousel 14 can dismantle with the ring flange and be connected, device base 1's opposite side be provided with supporting mechanism 21 and power supply mechanism 19, supporting mechanism 21 is used for fixed whole laying device, supporting mechanism 21 is including welding at the left welding frame 211 of device base 1, the inboard movable mounting of welding frame 211 has returning face plate 212, the bottom of returning face plate 212 is provided with stable latch 216, one side fixedly connected with connecting plate 213 at returning face plate 212 top, one side movable mounting of connecting plate 213 has push cylinder 215, connecting plate 213 is articulated with push cylinder 215's cylinder ejector pin, one side movable mounting bracket two 214 of push cylinder 215, push cylinder 215 is articulated with mounting bracket two 214, one side fixed connection of mounting bracket two 214 is on device base 1, power supply mechanism 19 is used for upper and lower actuating mechanism, rotary mechanism's power supply, power supply mechanism 19 includes fixed mounting bracket one 191 on device base 1, all can dismantle on the inclined plane of mounting bracket two both sides and install solar panel 192, solar panel 192 is the battery that charges, the battery is connected with two 4 of step motor electricity, step motor 13 electricity, one side fixed mounting bracket 191 installs the inboard inclined strut 194 that two fixed mounting bracket 191, the fixed mounting bracket 191 all installs.

The fixing ring II 9 is arranged on the outer side of the mounting turntable 14 of the adjusting frame 7, the fixing ring I8 is arranged on the outer side of the fixing ring II 9, a limiting sliding groove 10 is formed between the fixing ring I8 and the fixing ring II 9, a sliding pin 11 is slidably mounted in an inner cavity of the limiting sliding groove 10, a mounting hoop frame 12 is sleeved at the front end of the surface of the sliding pin 11, and one end of the mounting hoop frame 12 is inserted into the inner cavity of the mounting turntable 14.

The right side fixed mounting of device base 1 has solid fixed ring 22, through solid fixed ring 22's setting, at the laying device outage, when not having the unable removal of driving energy, the user can be through solid fixed ring 22 and go up and pull the rope, will pull the rope again and on the mobile device, just can drive the laying device through the mobile device and remove.

The working principle is as follows: as shown in fig. 1, the front side of device base 1 runs through and is provided with two mounting bolt 2, the opening part of device base 1 has mount 3 through two mounting bolt 2 fixed mounting, setting through two mounting bolt 2, can carry out the dismouting to mount 3, thereby make things convenient for the later stage to maintain whole device, one side fixed mounting at mount 3 top has step motor 4, step motor 4's output shaft runs through to one side fixed mounting of mount 3 has threaded rod 5, the bottom of threaded rod 5 is rotated and is installed on device base 1, the front side of mount 3 is seted up and is equipped with sliding groove 6, sliding groove 6's inner chamber movable mounting has sliding assembly 23, sliding assembly 23's front side fixed mounting has alignment jig 7, alignment jig 7's rear side fixed mounting has step motor two 13, step motor two 13's output shaft runs through to alignment jig 7's front side and fixed mounting has installation carousel 14.

When in work: 1. firstly, the pushing cylinder 215 is started, the connecting plate 213 is driven to move under the pushing of the pushing cylinder 215, the connecting plate 213 drives the turnover plate 212 to move in the inner cavity of the welding frame 211, and then the stabilizing latch 216 can turn downwards until the stabilizing latch 216 is clamped on the ground, so that the whole device is limited, the laying device is prevented from moving during material injection, the stability of the device is improved, and asphalt materials are prevented from being spilled;

2. then injecting the prepared asphalt mixture into a liquid storage tank 17 through a material injection pipe 18 for storage and standby, and starting the whole device to move to a road repairing section;

3. starting a second stepping motor 13, driving a mounting turntable 14 to rotate by the second stepping motor 13, driving a flange plate mounted on a discharge pipeline of the asphalt liquid laying mechanism 15 to rotate anticlockwise by the mounting turntable 14, then rotating a discharge end of the discharge pipeline on the left side of the asphalt liquid laying mechanism 15 to be vertical downwards, and adjusting the position of the device to enable the discharge end of the discharge pipeline of the asphalt liquid laying mechanism 15 to be aligned with a position to be repaired;

when the installation turntable 14 rotates, the installation hoop frame 12 can be driven to rotate, and the installation hoop frame 12 can drive the sliding pin 11 to slide in the inner cavity of the limiting sliding groove 10, so that the discharge pipeline of the installation turntable 14 and the asphalt liquid laying mechanism 15 is limited, the stability of the asphalt liquid laying mechanism 15 during rotation is ensured, and the asphalt liquid laying mechanism 15 can be prevented from deviating during rotation;

4. the first stepping motor 4 is started to drive the threaded rod 5 to rotate, and the adjusting frame 7 is in threaded connection with the threaded rod 5, so that the adjusting frame 7 can move downwards under the rotation of the threaded rod 5, then the position of the asphalt liquid laying mechanism 15 can move downwards, the adjusting frame 7 can drive the sliding assembly 23 to move downwards and slide in the inner cavity of the sliding groove 6, and meanwhile, the two sliding rollers 232 can cling to the inner wall of the fixing frame 3 to roll so as to limit the adjusting frame 7, so that the stability of the adjusting frame 7 during downward movement is ensured, and meanwhile, the smoothness of the adjusting frame 7 during downward movement can be improved due to the rolling of the two sliding rollers 232;

5. the asphalt liquid laying mechanism 15 is started, the asphalt mixture in the liquid storage tank 17 is extracted by the asphalt liquid laying mechanism 15, then is transmitted by the liquid guide pipe 16, and is discharged from the discharge end on the left side of the asphalt liquid laying mechanism 15, so that the asphalt liquid is injected into the road surface to repair the road surface.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the same.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a laying device that bituminous mixture used is repaired to road, includes device base (1), power supply mechanism (19), storage mechanism (17), pitch liquid laying mechanism (15), rotary mechanism, upper and lower actuating mechanism and supporting mechanism (21), the bottom of device base (1) be provided with drive wheelset (20), its characterized in that: one side of the upper part of the device base (1) is provided with a storage mechanism (17), the storage mechanism (17) supplies asphalt for an asphalt liquid laying mechanism (15), an upper driving mechanism and a lower driving mechanism are arranged beside the storage mechanism (17) and control the vertical movement of a rotating mechanism, the asphalt liquid laying mechanism (15) is detachably arranged on the rotating mechanism, the rotating mechanism controls the opening direction of a discharge pipeline of the asphalt liquid laying mechanism (15), the other side of the device base (1) is provided with a supporting mechanism (21) and a power supply mechanism (19), the supporting mechanism (21) is used for fixing the whole laying device, and the power supply mechanism (19) is used for supplying power to the upper driving mechanism and the lower driving mechanism and the rotating mechanism; an opening convenient for discharging of a discharging pipeline is arranged on the device base (1) below the asphalt liquid laying mechanism (15).

2. The paving device for road patching asphalt mixture as claimed in claim 1, wherein: upper and lower actuating mechanism include mount (3), step motor (4) and threaded rod (5), the opening setting at the middle part of device base (1), mount (3) fix the opening part on device base (1) through two construction bolts (2), the top of mount (3) be provided with step motor (4) that the motor shaft set up down, step motor (4) drive threaded rod (5) rotate, a side of mount (3) be provided with slip recess (6), rotary mechanism include alignment jig (7), step motor two (13) and installation carousel (14), alignment jig (7) on be provided with slip subassembly (23), slip subassembly (23) and slip recess (6) sliding connection, step motor two (13) motor shaft level set up, the rotation of installation carousel (14) is driven to the motor shaft, pitch liquid lay mechanism's (15) the discharge tube's tip be provided with installation carousel (14) complex ring flange, installation carousel (14) and detachable connection, threaded rod (5) run through the adjustment jig (7) of one side and the adjustment jig (7) drive the rotation.

3. The paving device for road repairing bituminous mixture according to claim 2, characterized in that: the outer side of the mounting turntable (14) of the adjusting frame (7) is provided with a first fixing ring (8), a limiting sliding groove (10) is formed between the first fixing ring (8) and the second fixing ring (9), a sliding pin (11) is slidably mounted in an inner cavity of the limiting sliding groove (10), the front end of the surface of the sliding pin (11) is sleeved with a mounting hoop frame (12), and one end of the mounting hoop frame (12) is inserted into the inner cavity of the mounting turntable (14).

4. The paving device for road patching asphalt mixture as claimed in claim 3, wherein: asphalt liquid laying mechanism (15) intercommunication have liquid guide pipe (16), the one end intercommunication of liquid guide pipe (16) has storage mechanism (17), the other end and the pitch pump access connection of liquid guide pipe (16), the pitch pump export and ejection of compact pipeline intercommunication, the ejection of compact pipeline be the hose, the bottom fixed mounting of storage mechanism (17) is on device base (1), the top intercommunication of storage mechanism (17) has notes material pipe (18).

5. The paving device for repairing the asphalt mixture on the road as claimed in claim 4, wherein the power supply mechanism (19) comprises a first mounting frame (191) fixedly mounted on the device base (1), solar panels (192) are detachably mounted on inclined planes on two sides of the top of the first mounting frame (191), the solar panels (192) charge a storage battery, the storage battery is electrically connected with the first stepping motor (4) and the second stepping motor (13), a glass protection plate (193) is fixedly mounted on the top of the first mounting frame (191), and inclined struts (194) are fixedly mounted at two ends of the inner side of the first mounting frame (191).

6. The paving device for the road asphalt mixture according to claim 5, wherein the supporting mechanism (21) comprises a welding frame (211) welded on the left side of the device base (1), a turnover plate (212) is movably installed on the inner side of the welding frame (211), a stabilizing latch (216) is arranged at the bottom of the turnover plate (212), a connecting plate (213) is fixedly connected to one side of the top of the turnover plate (212), a pushing cylinder (215) is movably installed on one side of the connecting plate (213), a second mounting frame (214) is movably installed on one side of the pushing cylinder (215), and one side of the second mounting frame (214) is fixedly connected to the device base (1).

7. The paving device for road repairing bituminous mixture according to claim 6, characterized in that: the sliding assembly (23) comprises a roller mounting frame (231) which is welded on the rear side of the adjusting frame (7) and slides in the inner cavity of the sliding groove (6), sliding rollers (232) are movably mounted in an embedded mode on two sides of the roller mounting frame (231), and the two sliding rollers (232) are tightly attached to the inner wall of the sliding groove (6) to roll.

8. The paving device for road patching asphalt mixture as claimed in claim 7, wherein: the device base (1) is provided with a fixing ring (22).

Images