CN216040502U - A pitch dispensing device for highway construction - Google Patents

A pitch dispensing device for highway construction Download PDF

Info

Publication number
CN216040502U
CN216040502U CN202121960767.0U CN202121960767U CN216040502U CN 216040502 U CN216040502 U CN 216040502U CN 202121960767 U CN202121960767 U CN 202121960767U CN 216040502 U CN216040502 U CN 216040502U
Authority
CN
China
Prior art keywords
asphalt
spreading
pipe
spreader
mechanical arm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121960767.0U
Other languages
Chinese (zh)
Inventor
张磊刚
张倩
胡俊文
王康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Fumin Highway Engineering Co ltd
Original Assignee
Henan Fumin Highway Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Fumin Highway Engineering Co ltd filed Critical Henan Fumin Highway Engineering Co ltd
Priority to CN202121960767.0U priority Critical patent/CN216040502U/en
Application granted granted Critical
Publication of CN216040502U publication Critical patent/CN216040502U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Road Paving Machines (AREA)

Abstract

The utility model discloses an asphalt dispensing device for highway construction, which comprises a spreader, a control valve, a spreading pipe outer frame, an asphalt heat-preservation tank and a control panel, wherein the top end of the spreader is fixedly provided with the asphalt heat-preservation tank, the inner wall of the asphalt heat-preservation tank is fixedly provided with the control valve, the top end of the spreader on one side of the asphalt heat-preservation tank is provided with an asphalt pump, the outer wall of the asphalt pump is provided with a liquid outlet pipe, one end of the liquid outlet pipe extends into the control valve, the outer part of the spreader is provided with the spreading pipe outer frame, the inner part of the spreading pipe outer frame is provided with a plurality of groups of dispensing ports, the outer wall of the spreading pipe outer frame on one side of the dispensing ports is provided with a liquid inlet valve, one end of the asphalt pump, far away from the liquid outlet pipe, is provided with an asphalt pipe, and one end of the asphalt pipe extends into the liquid inlet valve. Utility model pitch dispensing device has not only realized that pitch carries out quick stirring for pitch dispensing device's operating speed has improved the effective utilization ratio when pitch is spread moreover.

Description

A pitch dispensing device for highway construction
Technical Field
The utility model relates to the technical field of asphalt spreading devices, in particular to an asphalt spreading device for highway construction.
Background
The asphalt spreader is used for transporting and spreading various liquid asphalt, the asphalt penetration type road surface is paved, rolled, extruded and compacted on a gravel layer, the surface is cleaned up after being leveled and uniform, the dry base layer is kept, the asphalt spreader is used for spreading asphalt for the first time, after the asphalt spreader is spread with caulking materials and uniformly covered when the asphalt is hot, the asphalt spreader is used for spraying asphalt for the second time until overlay asphalt is sprayed to form a road surface, the asphalt spreader can be divided into a self-propelled type and a towed type according to the operation mode, the self-propelled type is that a whole set of asphalt spreading facility is mounted on an automobile chassis, the capacity of an asphalt oil tank is large, the asphalt spreader is suitable for large-scale road engineering and field road building engineering far away from an asphalt supply base, the towed type asphalt spreader is simple in structure and is suitable for road surface maintenance.
Such short and various types on the market today can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following:
(1) the existing asphalt spreading device is generally inconvenient for rapidly stirring asphalt when in use, thereby seriously influencing the working efficiency of the asphalt spreading device;
(2) the existing asphalt spreading device is not convenient to adjust pavements with different widths when spreading, so that the effective utilization rate of asphalt spreading is greatly influenced;
(3) the existing asphalt spreading device is not convenient to adjust the distance from the construction road surface when spreading, thereby greatly influencing the working speed of the asphalt spreading device and bringing great troubles to people.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an asphalt spreading device for road construction, which solves the problems that the asphalt spreading device in the background art is inconvenient for stirring emulsified asphalt, and the height and the spreading width of a spreader are adjusted.
In order to achieve the purpose, the utility model provides the following technical scheme: an asphalt spreading device for road construction, which comprises a spreader, a control valve, a spreading pipe outer frame, an asphalt heat-insulating tank and a control panel, an asphalt heat-insulating tank is fixed at the top end of the spreader, a control valve is fixed on the inner wall of the asphalt heat-insulating tank, and the top end of the spreader at one side of the asphalt heat-preserving tank is provided with an asphalt pump, the outer wall of the asphalt pump is provided with a liquid outlet pipe, one end of the liquid outlet pipe extends into the control valve, a spreading pipe outer frame is arranged outside the spreader, a plurality of groups of spreading openings are arranged inside the spreading pipe outer frame, a liquid inlet valve is arranged on the outer wall of the outer frame of the dispensing pipe on one side of the dispensing opening, an asphalt pipe is arranged at one end of the asphalt pump far away from the liquid outlet pipe, one end of the asphalt pipe extends into the liquid inlet valve, a control panel is installed at the top end of the spreader on one side of the asphalt heat-preservation tank, and the output end of a single chip microcomputer in the control panel is electrically connected with the input end of the asphalt pump;
preferably, the top end of the asphalt heat-insulating tank is provided with a motor, the output end of the motor is provided with a rotating shaft through a coupler, the bottom end of the rotating shaft is provided with a transmission rod, the top end of the transmission rod is fixedly connected with the rotating shaft, and the outer wall of the transmission rod is provided with a stirring blade, so that emulsified asphalt is prevented from being solidified;
preferably, the top end of the spreader on one side of the asphalt pump is provided with a base, the top end of the base is provided with a first mechanical arm, a first electric push rod is mounted on the outer wall of the base below the first mechanical arm, and one end of the first electric push rod extends to the outer wall of the first mechanical arm, so that the workload of workers is reduced;
preferably, the top end of the first mechanical arm is provided with a second mechanical arm, a second electric push rod is mounted on the outer wall of the first mechanical arm on one side of the second mechanical arm, one end of the second electric push rod extends to the surface of the second mechanical arm, and the bottom end of the second mechanical arm is fixedly connected with the outer frame of the spreading pipe, so that the height of the asphalt spreading device from a construction road surface is adjusted during spreading;
preferably, a support frame is arranged at the top end of the spreader on one side of the base, a rotary drum is arranged at the top end of the support frame, and a rocker is arranged on the outer wall of the rotary drum, so that the driving operation of the asphalt spreading device is facilitated;
preferably, the surface of the rotary drum is wound with a second traction rope, one end of the second traction rope extends to the surface of the outer frame of the spreading pipe, the surface of the rotary drum on one side of the second traction rope is wound with a first traction rope, one end of the first traction rope extends to the surface of the outer frame of the spreading pipe, and the effective spreading area of the asphalt spreading device is increased.
Compared with the prior art, the utility model has the beneficial effects that: the asphalt spreading device not only realizes rapid stirring of asphalt, accelerates the working speed of the asphalt spreading device, but also improves the effective utilization rate of the asphalt spreading;
(1) the spreader is pushed to move by workers, the spreader is pushed to a road section to be constructed, the motor is started by the operation control panel, the motor drives the rotating shaft to rotate under the support of the asphalt heat-insulation tank, the transmission rod is driven to rotate by the rotating shaft, the transmission rod drives the stirring blade to rotate, and the stirring work of emulsified asphalt is completed under the support of the asphalt heat-insulation tank, so that the asphalt spreading device can quickly stir the asphalt, the emulsified asphalt is prevented from being solidified, the conveying speed of the asphalt is increased, and the working efficiency of the asphalt spreading device is improved;
(2) the first electric push rod is opened through operating the control panel, the first electric push rod is stretched in length under the support of the base, the first electric push rod drives the first mechanical arm to rotate in an angle, the position of the first mechanical arm is adjusted, the second electric push rod is opened through operating the control panel, the second electric push rod is stretched in length under the support of the first mechanical arm, the second electric push rod drives the second mechanical arm to rotate in an angle, the position of the second mechanical arm is adjusted, the height of an outer frame of the spreading pipe is adjusted under the matching of the second mechanical arm and the first mechanical arm, the height of the pitch spreading device from a construction road surface is adjusted during spreading, and the working speed of the pitch spreading device is increased;
(3) the second traction rope and the first traction rope are wound on the surface of the rotary drum in a forward direction and reversely wound respectively, a worker rotates a rocker, the rocker drives the rotary drum to rotate under the support of the support frame, the rotary drum drives the second traction rope to wind in the forward direction, the rotary drum drives the first traction rope to wind in the reverse direction, the two ends of the outer frame of the spreading pipe are driven to rotate in a folding manner under the combined action of the second traction rope and the first traction rope, the width of the outer frame of the spreading pipe is adjusted, the asphalt pump is opened by the operation control panel, emulsified asphalt in the asphalt heat-insulating tank enters the inside of the control valve through the liquid outlet pipe under the driving of the power in the asphalt pump, the emulsified asphalt is conveyed through the asphalt pipe under the driving of the asphalt pump, the emulsified asphalt enters the inside of the spreading port through a plurality of hoses by controlling the control panel, the emulsified asphalt is spread on the road surface through the spreading port, and the asphalt spreading work is finished, realized pitch dispensing device to the regulation on different width road surfaces when the dispensing, increased pitch dispensing device's effective spread area, improved the effective utilization ratio when pitch is dispensed, accomplished pitch dispensing device's use work.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic top view of the asphalt insulation tank of the present invention;
FIG. 3 is a schematic elevational cross-sectional view of a dispensing opening of the present invention;
FIG. 4 is a schematic top view of the drum of the present invention.
In the figure: 1. spreading a machine; 2. a transmission rod; 3. a stirring blade; 4. a control valve; 5. a liquid outlet pipe; 6. an asphalt pump; 7. an asphalt pipe; 8. a base; 9. a first electric push rod; 10. a support frame; 11. a liquid inlet valve; 12. a dispensing opening; 13. the outer frame of the distributing pipe; 14. a second mechanical arm; 15. a second electric push rod; 16. a first robot arm; 17. an asphalt heat-preserving tank; 18. a motor; 19. a rotating shaft; 20. a control panel; 21. a first pull cord; 22. a second pull cord; 23. a rotating drum; 24. a rocker.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: an asphalt spreading device for road construction comprises a spreader 1, a control valve 4, a spreading pipe outer frame 13, an asphalt heat-preservation tank 17 and a control panel 20, wherein the top end of the spreader 1 is fixed with the asphalt heat-preservation tank 17, the inner wall of the asphalt heat-preservation tank 17 is fixed with the control valve 4, an asphalt pump 6 is installed at the top end of the spreader 1 on one side of the asphalt heat-preservation tank 17, a liquid outlet pipe 5 is installed on the outer wall of the asphalt pump 6, one end of the liquid outlet pipe 5 extends into the control valve 4, the outer part of the spreader 1 is provided with the spreading pipe outer frame 13, the inner part of the spreading pipe outer frame 13 is provided with a plurality of spreading openings 12, the outer wall of the spreading pipe outer frame 13 on one side of the spreading openings 12 is provided with a liquid inlet valve 11, one end of the asphalt pump 6, which is far away from the liquid outlet pipe 5, is provided with an asphalt pipe 7, one end of the asphalt pipe 7 extends into the liquid inlet valve 11, the top end of the spreader 1 on one side of the asphalt heat-preservation tank 17 is provided with the control panel 20, the output end of the single chip microcomputer in the control panel 20 is electrically connected with the input end of the asphalt pump 6, the top end of the asphalt heat-preservation tank 17 is provided with a motor 18, the output end of the motor 18 is provided with a rotating shaft 19 through a coupler, the bottom end of the rotating shaft 19 is provided with a transmission rod 2, the top end of the transmission rod 2 is fixedly connected with the rotating shaft 19, and the outer wall of the transmission rod 2 is provided with a stirring blade 3;
when the asphalt spreading device is used, the spreader 1 is pushed to move by workers, the spreader 1 is pushed to a road section needing construction, the motor 18 is started by operating the control panel 20, the motor 18 drives the rotating shaft 19 to rotate under the support of the asphalt heat-insulating tank 17, the driving rod 2 is driven to rotate through the rotating shaft 19, the driving rod 2 drives the stirring blade 3 to rotate, the stirring work of emulsified asphalt is completed under the support of the asphalt heat-insulating tank 17, the asphalt spreading device is enabled to stir asphalt quickly, the emulsified asphalt is prevented from being solidified, the conveying speed of the asphalt is increased, and the working efficiency of the asphalt spreading device is improved;
the top end of a spreader 1 at one side of an asphalt pump 6 is provided with a base 8, the top end of the base 8 is provided with a first mechanical arm 16, the outer wall of the base 8 below the first mechanical arm 16 is provided with a first electric push rod 9, one end of the first electric push rod 9 extends to the outer wall of the first mechanical arm 16, the top end of the first mechanical arm 16 is provided with a second mechanical arm 14, the outer wall of the first mechanical arm 16 at one side of the second mechanical arm 14 is provided with a second electric push rod 15, one end of the second electric push rod 15 extends to the surface of the second mechanical arm 14, and the bottom end of the second mechanical arm 14 is fixedly connected with a spreader outer frame 13;
when the device is used, the control panel 20 is operated to open the first electric push rod 9, the first electric push rod 9 is extended and contracted in length under the support of the base 8, the first electric push rod 9 drives the first mechanical arm 16 to rotate in an angle, the position of the first mechanical arm 16 is adjusted, the control panel 20 is operated to open the second electric push rod 15, the second electric push rod 15 is extended and contracted in length under the support of the first mechanical arm 16, the second electric push rod 15 drives the second mechanical arm 14 to rotate in an angle, the position of the second mechanical arm 14 is adjusted, the second mechanical arm 14 and the first mechanical arm 16 are matched, the height of the outer frame 13 of the distribution pipe is adjusted together, the height of the asphalt distribution device from a construction road surface during distribution is adjusted, and the working speed of the asphalt distribution device is increased;
the top end of the spreader 1 on one side of the base 8 is provided with a support frame 10, the top end of the support frame 10 is provided with a rotary drum 23, the outer wall of the rotary drum 23 is provided with a rocker 24, the surface of the rotary drum 23 is wound with a second traction rope 22, one end of the second traction rope 22 extends to the surface of the outer frame 13 of the spreading pipe, the surface of the rotary drum 23 on one side of the second traction rope 22 is wound with a first traction rope 21, and one end of the first traction rope 21 extends to the surface of the outer frame 13 of the spreading pipe;
when the device is used, a worker rotates the rocker 24 by respectively winding the second traction rope 22 on the surface of the rotary drum 23 in the forward direction and winding the first traction rope 21 in the reverse direction, the rocker 24 drives the rotary drum 23 to rotate under the support of the support frame 10, the rotary drum 23 drives the second traction rope 22 to wind in the forward direction, the rotary drum 23 drives the first traction rope 21 to wind in the reverse direction, the two ends of the spreading pipe outer frame 13 are driven to fold and rotate under the combined action of the second traction rope 22 and the first traction rope 21 to adjust the width of the spreading pipe outer frame 13, the asphalt pump 6 is opened by the operation control panel 20, emulsified asphalt in the asphalt heat-insulating tank 17 enters the inside of the control valve 4 through the liquid outlet pipe 5 under the driving of the asphalt pump 6, the emulsified asphalt is conveyed through the asphalt pipe 7 by controlling the control panel 20, the liquid inlet valve 11 is opened to enable the emulsified asphalt to enter the spreading port 12 through a plurality of hoses, spread the road surface by spreading mouth 12, accomplish pitch dispensing work, realize pitch dispensing device when spreading to the regulation on different width road surfaces, increase pitch dispensing device's effective spreading area, the effective utilization ratio when improving pitch dispensing.
The working principle is as follows: when the asphalt spreading machine is used, the external power supply is connected, firstly, the spreader 1 is pushed to a road section needing construction by a worker, the motor 18 is opened by the operation control panel 20, the motor 18 drives the rotating shaft 19 to rotate under the support of the asphalt heat-insulating tank 17, then the driving rod 2 is driven to rotate by the rotating shaft 19, the driving rod 2 drives the stirring blade 3 to rotate, the stirring work of emulsified asphalt is completed under the support of the asphalt heat-insulating tank 17, the asphalt spreading device can stir asphalt rapidly, the emulsified asphalt is prevented from being solidified, the asphalt conveying speed is increased, the working efficiency of the asphalt spreading device is improved, then, the first electric push rod 9 is opened by the operation control panel 20, the first electric push rod 9 is stretched in length under the support of the base 8, and the first mechanical arm 16 is driven by the first electric push rod 9 to rotate in an angle, completing the adjustment of the position of the first mechanical arm 16, opening the second electric push rod 15 by operating the control panel 20, performing length expansion and contraction on the second electric push rod 15 under the support of the first mechanical arm 16, driving the second mechanical arm 14 to rotate angularly by the second electric push rod 15, completing the adjustment of the position of the second mechanical arm 14, completing the adjustment of the height of the outer frame 13 of the spreading pipe under the cooperation of the second mechanical arm 14 and the first mechanical arm 16, realizing the adjustment of the height of the asphalt spreading device from a construction road surface during spreading, accelerating the working speed of the asphalt spreading device, respectively winding the second traction rope 22 on the surface of the rotary drum 23 in the forward direction and winding the first traction rope 21 in the reverse direction, rotating the rocker 24 by a worker, driving the rotary drum 23 to rotate by the rocker 24 under the support of the support frame 10, driving the rotary drum 23 to wind the second traction rope 22 in the forward direction, driving the first traction rope 21 to wind in the reverse direction by the rotary drum 23, the two ends of the outer frame 13 of the spreading pipe are driven to fold and rotate under the combined action of the second pulling rope 22 and the first pulling rope 21 so as to adjust the width of the outer frame 13 of the spreading pipe, the control panel 20 is operated to turn on the asphalt pump 6, under the driving of the power in the asphalt pump 6, the emulsified asphalt in the asphalt heat-preserving tank 17 enters the control valve 4 through the liquid outlet pipe 5, under the drive of pitch pump 6, emulsified asphalt passes through the transport of pitch pipe 7, through controlling control panel 20, open feed liquor valve 11 and make emulsified asphalt get into the inside of spreading mouth 12 through the multiunit hose, spread the road surface by spreading mouth 12, accomplish pitch dispensing work, realize pitch dispensing device when spreading the regulation on different width road surfaces, increase pitch dispensing device's effective spreading area, the effective utilization ratio when improving pitch dispensing, accomplish pitch dispensing device's use work.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (6)

1. The utility model provides a pitch dispensing device for highway construction, includes spreader (1), control valve (4), spreads pipe frame (13), pitch heat preservation jar (17) and control panel (20), its characterized in that: the top end of the spreader (1) is fixed with an asphalt heat-insulating tank (17), the inner wall of the asphalt heat-insulating tank (17) is fixed with a control valve (4), an asphalt pump (6) is installed at the top end of the spreader (1) on one side of the asphalt heat-insulating tank (17), a drain pipe (5) is installed on the outer wall of the asphalt pump (6), one end of the drain pipe (5) extends into the control valve (4), a spreading pipe outer frame (13) is arranged outside the spreader (1), a plurality of groups of spreading openings (12) are formed in the spreading pipe outer frame (13), a liquid inlet valve (11) is installed on the outer wall of the spreading pipe outer frame (13) on one side of the spreading openings (12), an asphalt pipe (7) is installed at one end, far away from the drain pipe (5), of the asphalt pump (6), one end of the asphalt pipe (7) extends into the liquid inlet valve (11), and a control panel (20) is installed at the top end of the spreader (1) on one side of the asphalt heat-insulating tank (17), and the output end of the singlechip in the control panel (20) is electrically connected with the input end of the asphalt pump (6).
2. An asphalt spreading device for road construction according to claim 1, wherein: the top of pitch heat preservation jar (17) is provided with motor (18), and motor (18) output installs pivot (19) through the shaft coupling to the bottom of pivot (19) is provided with transfer line (2), the top and pivot (19) fixed connection of transfer line (2), and installs stirring vane (3) on the outer wall of transfer line (2).
3. An asphalt spreading device for road construction according to claim 1, wherein: the top end of the spreader (1) on one side of the asphalt pump (6) is provided with a base (8), the top end of the base (8) is provided with a first mechanical arm (16), a first electric push rod (9) is installed on the outer wall of the base (8) below the first mechanical arm (16), and one end of the first electric push rod (9) extends to the outer wall of the first mechanical arm (16).
4. An asphalt spreading device for road construction according to claim 3, wherein: the top end of the first mechanical arm (16) is provided with a second mechanical arm (14), a second electric push rod (15) is installed on the outer wall of the first mechanical arm (16) on one side of the second mechanical arm (14), one end of the second electric push rod (15) extends to the surface of the second mechanical arm (14), and the bottom end of the second mechanical arm (14) is fixedly connected with the outer frame (13) of the scattering pipe.
5. An asphalt spreading device for road construction according to claim 3, wherein: the spreader (1) top of base (8) one side is provided with support frame (10), and rotary drum (23) are installed on the top of support frame (10) to install rocker (24) on the outer wall of rotary drum (23).
6. An asphalt spreading device for road construction according to claim 5, wherein: the surface of the rotary drum (23) is wound with a second traction rope (22), one end of the second traction rope (22) extends to the surface of the outer scattering pipe frame (13), the surface of the rotary drum (23) on one side of the second traction rope (22) is wound with a first traction rope (21), and one end of the first traction rope (21) extends to the surface of the outer scattering pipe frame (13).
CN202121960767.0U 2021-08-20 2021-08-20 A pitch dispensing device for highway construction Active CN216040502U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121960767.0U CN216040502U (en) 2021-08-20 2021-08-20 A pitch dispensing device for highway construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121960767.0U CN216040502U (en) 2021-08-20 2021-08-20 A pitch dispensing device for highway construction

Publications (1)

Publication Number Publication Date
CN216040502U true CN216040502U (en) 2022-03-15

Family

ID=80559753

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121960767.0U Active CN216040502U (en) 2021-08-20 2021-08-20 A pitch dispensing device for highway construction

Country Status (1)

Country Link
CN (1) CN216040502U (en)

Similar Documents

Publication Publication Date Title
CN111734153A (en) Film laminating machine for concrete pouring and using method thereof
CN217026618U (en) Asphalt laying device for road construction
CN110409276A (en) A kind of road paver that mixing laying road uses
CN107258487A (en) A kind of environmentally friendly water conservancy irrigation device
CN108589623A (en) A kind of snow melting vehicle
CN216040502U (en) A pitch dispensing device for highway construction
CN201125361Y (en) Vehicle mounted type tar pavement maintenance car
CN213785008U (en) Automatic watering equipment that dispenses in gardens
CN212053654U (en) Joint filling machine for building construction
CN112359696A (en) Asphalt uniform discharging device for thermal regeneration repairing vehicle
CN206784124U (en) It is incubated asphalt-spreader
CN215857100U (en) Cement road surface repair equipment for municipal works
CN216616722U (en) Paving and height fixing mechanism with adjustable self-leveling mortar
CN201027310Y (en) Automatic smoothing reshaping complete plant for soil surface of water canal
CN219908460U (en) Paving equipment for ultra-thin wearing layer of municipal road pavement
CN219523855U (en) Automatic flushing equipment for vehicle outlet of expressway construction station
CN213523577U (en) Pesticide sprinkler with adjustable
CN216873904U (en) A fertigation and irrigation integration equipment for afforestation maintenance
CN221297549U (en) Pavement gap repairing and filling equipment
CN218203759U (en) Asphalt pavement maintenance mechanism
CN215800804U (en) Cement paste spreading device
CN216856412U (en) Road marking coating high-speed dispersion machine of misce bene
CN210737309U (en) Paving device for building group garden road stand
CN215629159U (en) Road mixer for highway construction
CN220468740U (en) Tunnel concrete sprays curing means

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant