CN110144801B - Asphalt crack pouring device for cement road paving - Google Patents

Asphalt crack pouring device for cement road paving Download PDF

Info

Publication number
CN110144801B
CN110144801B CN201910529633.4A CN201910529633A CN110144801B CN 110144801 B CN110144801 B CN 110144801B CN 201910529633 A CN201910529633 A CN 201910529633A CN 110144801 B CN110144801 B CN 110144801B
Authority
CN
China
Prior art keywords
bottom plate
worm
swing rod
bevel gear
liquid
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
CN201910529633.4A
Other languages
Chinese (zh)
Other versions
CN110144801A (en
Inventor
刘加华
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.)
Shenzhen Shengtong Wanhong Technology Co.,Ltd.
Original Assignee
Shenzhen Shengtong Wanhong Technology 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 Shenzhen Shengtong Wanhong Technology Co ltd filed Critical Shenzhen Shengtong Wanhong Technology Co ltd
Priority to CN201910529633.4A priority Critical patent/CN110144801B/en
Publication of CN110144801A publication Critical patent/CN110144801A/en
Application granted granted Critical
Publication of CN110144801B publication Critical patent/CN110144801B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/02Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
    • E01C19/08Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/09Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
    • E01C23/096Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating and filling

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Road Paving Machines (AREA)

Abstract

The invention discloses an asphalt crack pouring device for cement road paving, and particularly relates to a device for realizing a function of pumping materials by driving a plug plate to reciprocate by a crankshaft through a connecting rod, realizing a crack cutting function by driving a worm wheel and a cutting knife to rotate through a rotating worm, solving the problems that the existing crack pouring needs to be completed through multiple devices and multiple processes, and is time-consuming and labor-consuming. An electric heater with a signal connection controller and a power supply is fixed in the heating barrel, the heating barrel is communicated with the liquid pumping tank through a liquid inlet pipe, a one-way valve is arranged at the upper opening of the liquid inlet pipe, and a liquid outlet pipe is communicated and fixed above the rear part of the liquid pumping tank; the cutting assembly comprises a swing rod, a cutting knife, a worm wheel and a worm, wherein one end of the swing rod is rotatably arranged below the bottom plate, the cutting knife is rotatably arranged at the other end of the swing rod, the worm wheel is arranged at the rotating center of the swing rod and the bottom plate, the worm is rotatably connected below the bottom plate, the worm is meshed with the worm wheel, and the worm wheel is connected with the cutting knife through a second transmission piece.

Description

Asphalt crack pouring device for cement road paving
Technical Field
The invention relates to a road paving machine, in particular to an asphalt crack pouring device for cement road paving.
Background
When paving roads, particularly cement pavements, the molded pavements are often cut and filled with asphalt, and the general process flow of asphalt crack filling is four steps of slotting, cleaning, heating, crack filling and traffic opening.
Firstly, a grooving process, namely grooving by using a grooving machine, and cutting a pavement by using the grooving machine; then cleaning, namely cleaning a fire-fighting fan or a backpack fan to remove dust in the opened groove; heating the pavement to be grouted so as to ensure that the grouted glue and the original pavement have better bonding performance; and finally, pouring a seam, wherein the seam pouring is the key of the whole project.
The existing crack pouring needs to be completed through multiple processes, so that the time consumed by the project is more, the construction period is not shortened, and time and labor are wasted.
Disclosure of Invention
Based on the defects in the prior art mentioned in the background art, the invention provides the asphalt crack pouring device for cement road paving.
The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
an asphalt crack pouring device for paving cement roads comprises a heating barrel fixed on a bottom plate, a liquid pumping tank positioned on one side of the heating barrel and a cutting assembly used for cutting cracks on cement roads, wherein an electric heater connected with a controller and a power supply through signals is fixed in the heating barrel; the cutting assembly is arranged below the front portion of the bottom plate and comprises a swing rod, a cutting knife, a worm wheel and a worm, wherein one end of the swing rod is rotatably arranged below the bottom plate, the cutting knife is rotatably arranged at the other end of the swing rod, the worm wheel is arranged at the rotating center of the swing rod and the bottom plate, the worm is rotatably connected below the bottom plate, the worm is meshed with the worm wheel, and the worm wheel is connected with the cutting knife through a second transmission piece.
As a further scheme of the invention: the cutting knife adjusting mechanism is characterized in that an adjusting mechanism for adjusting the height of a cutting knife is further arranged below the bottom plate, the adjusting mechanism comprises an air cylinder fixedly arranged below the bottom plate, a piston rod connected to the air cylinder in a sealing sliding mode, and an adjusting rod connected between the piston rod and a swing rod, wherein one end of the adjusting rod is hinged to the swing rod, and the other end of the adjusting rod is hinged to the end of the piston rod.
As a still further scheme of the invention: the side wall of the lower part of the liquid pumping tank is connected with a motor electrically connected with a power supply and a switch through a flange, the output end of the motor is connected with a crankshaft, the two sides of the crankshaft penetrate through the liquid pumping tank and are connected with a bearing of the liquid pumping tank, the middle bending part of the crankshaft is sleeved with the lower end of a connecting rod, the upper end of the connecting rod is rotatably connected with a plug plate, and the edge of the plug plate is sealed and attached to the.
As a still further scheme of the invention: the end part of the crankshaft is connected with the worm through a first transmission piece, and a through hole for the first transmission piece to penetrate through is formed in the bottom plate.
As a still further scheme of the invention: the bottom plate below still is provided with the subassembly of blowing, and the subassembly of blowing is including the bevel gear group of connection at the worm tip and the fan subassembly of connecting bevel gear group, and the fan subassembly comprises pivot and flabellum.
As a still further scheme of the invention: the bevel gear set is composed of a first bevel gear fixed at the end of the worm and a second bevel gear fixed on the rotating shaft, the first bevel gear is meshed with the second bevel gear, the upper end of the rotating shaft is rotatably connected to the bottom plate, and fan blades are fixed at the lower end of the rotating shaft.
As a still further scheme of the invention: the lower corners of the bottom plate are rotatably provided with rollers, and a push handle used for pushing the whole device to move is fixedly connected to the upper portion of the rear portion of the bottom plate.
After adopting the structure, compared with the prior art, the invention has the following advantages: the device drives bent axle and worm through a motor simultaneously and rotates, and wherein the bent axle utilizes the connecting rod to drive the reciprocating function that reciprocates the realization pump material of cock board, and pivoted worm drives worm wheel and cutting knife and rotates, realizes the slot function, and in addition, the bevel gear group drives pivot and flabellum and rotates and blow, collects slot, dust removal and cementation of fissures in the efficiency of an organic whole, and the process is concentrated simply, and the construction is swift rapid, has improved work efficiency greatly, practices thrift the cost.
Drawings
Fig. 1 is a schematic structural diagram of an asphalt crack pouring device for cement road paving.
FIG. 2 is a schematic structural diagram of a worm gear, a swing rod and a second transmission piece in the asphalt crack pouring device for paving a cement road.
FIG. 3 is a schematic structural diagram of a device for asphalt crack pouring for cement road paving, wherein the heights of a swing rod and a cutter are adjusted.
In the figure: 1-heating a barrel; 2-an electric heater; 3-a controller; 4-liquid extraction tank; 5-a bottom plate; 6-a roller; 7-an electric motor; 8-a crankshaft; 9-a connecting rod; 10-a plug plate; 11-a liquid inlet pipe; 12-a first transmission member; 13-a worm; 14-a worm gear; 15-a second transmission member; 16-a cutting knife; 17-a swing rod; 18-adjusting rod; 19-a piston rod; 20-a cylinder; 21-a first bevel gear; 22-a second bevel gear; 23-fan blades; 24-a liquid outlet pipe; 25-pushing the handle.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Example 1
Referring to fig. 1 to 3, in an embodiment of the present invention, an asphalt crack pouring device for cement road pavement includes a heating barrel 1 fixed on a bottom plate 5, a liquid pumping tank 4 located at one side of the heating barrel 1, and a cutting assembly for cutting a crack on a cement road surface; wherein, 1 top of heating bucket link up and is fixed with the hopper that is used for pouring into pitch, and 1 internal fixation of heating bucket has the electric heater 2 of signal connection controller 3 and power, and through feed liquor pipe 11 intercommunication between heating bucket 1 and the drawing liquid jar 4, and be provided with the check valve in the department of the upper port of feed liquor pipe 11, drawing liquid jar 4 rear portion top intercommunication and fixed drain pipe 24, heat the pitch in the heating bucket 1 through electric heater 2, keep it in mobile liquid state, utilize the drawing liquid jar 4 to pour into the ground seam with the pitch in the heating bucket 1.
Further, a cutting assembly is arranged below the front part of the bottom plate 5, and comprises a swing rod 17, a cutting knife 16, a worm wheel 14 and a worm 13, wherein one end of the swing rod 17 is rotatably arranged below the bottom plate 5, the cutting knife 16 is rotatably arranged at the other end of the swing rod 17, the worm wheel 14 is arranged at the rotating centers of the swing rod 17 and the bottom plate 5, and the worm 13 is rotatably connected below the bottom plate 5; the worm 13 is meshed with the worm wheel 14, the worm wheel 14 is connected with the cutting knife 16 through the second transmission piece 15, the worm 13 rotates to drive the worm wheel 14 to rotate, and therefore the second transmission piece 15 is used for driving the cutting knife 16 to rotate to cut the ground;
preferably, the bottom plate 1 is further provided with an adjusting mechanism for adjusting the height of the cutting knife 16, the adjusting mechanism comprises a cylinder 20 fixedly arranged below the bottom plate 5, a piston rod 19 connected to the cylinder 20 in a sealing and sliding manner, and an adjusting rod 18 connected between the piston rod 19 and the swing rod 17, wherein one end of the adjusting rod 18 is hinged to the swing rod 17, and the other end of the adjusting rod 18 is hinged to the end of the piston rod 19, the cylinder 20 drives the piston rod 19 to stretch and retract, so that the adjusting rod 18 is driven to drive the swing rod 17 to swing, the height of the cutting knife 16 is adjusted, and ground seams at different depths are cut.
Furthermore, a motor 7 electrically connected with a power supply and a switch is connected to the side wall of the lower part of the liquid extracting tank 4 in a flange manner, the output end of the motor 7 is connected with a crankshaft 8, both sides of the crankshaft 8 penetrate through the liquid extracting tank 4 and are connected with bearings of the liquid extracting tank, the lower end of a connecting rod 9 is sleeved at the bending part in the middle of the crankshaft 8, the upper end of the connecting rod 9 is rotatably connected with a plug plate 10, the edge of the plug plate 10 is in sealing fit with the inner wall of the liquid extracting tank 4, the end part of the crankshaft 8 is connected with a worm 13 through a first transmission piece 12, it should be noted that a through hole for the first transmission piece 12 to penetrate is formed in the bottom plate 5, the crankshaft 8 is driven to rotate by the motor 7, so as to drive the connecting rod 9 to push the plug plate 10 to reciprocate, asphalt in the heating barrel 1 is pumped into the liquid extracting tank 4 under the action of the check, realize the integrative function of slot cementation.
Example 2
Obviously, dust is bound to exist on the cut ground seam, and therefore, in order to better fill asphalt into the ground seam, a blowing assembly is further arranged below the bottom plate 5, specifically, the blowing assembly comprises a bevel gear group connected to the end part of the worm 13, the bevel gear group is composed of a first bevel gear 21 fixed to the end part of the worm 13 and a second bevel gear 22 fixed to a rotating shaft, the first bevel gear 21 is meshed with the second bevel gear 22, the upper end of the rotating shaft is rotatably connected to the bottom plate 1, fan blades 23 are fixed to the lower end of the rotating shaft, and the rotating worm 13 drives the rotating shaft to rotate through the bevel gear group, so that the fan blades 23 are driven to rotate to blow air, and an integral function of cutting;
the lower corners of the bottom plate 5 are rotatably provided with rollers 6, and a push handle 25 for pushing the whole device to move is fixedly connected above the rear part of the bottom plate 1.
From the above detailed description of the embodiments, it is easy to understand that the working principle of the present invention is: the asphalt in the heating barrel 1 is heated by the electric heater 2 and is kept in a flowing liquid state, the asphalt in the heating barrel 1 is poured into a ground seam by the liquid pumping tank 4, the worm 13 rotates to drive the worm wheel 14 to rotate, the second transmission piece 15 drives the cutting knife 16 to rotate to cut the ground, the air cylinder 20 drives the piston rod 19 to stretch and further drives the adjusting rod 18 to drive the oscillating rod 17 to swing, the height of the cutting knife 16 is adjusted, the ground seam with different depths is cut, the motor 7 drives the crankshaft 8 to rotate, the connecting rod 9 is driven to drive the plug plate 10 to reciprocate, the asphalt in the heating barrel 1 is pumped into the liquid pumping tank 4 under the action of the one-way valve and then is discharged by the liquid outlet pipe 24, the first transmission piece 12 drives the worm 13 to rotate, the ground seam cut by the cutting knife 16 is coated with the asphalt, and the integrated function of slit pouring is realized, the rotating worm 13 drives the rotating shaft to rotate through the bevel gear set, so that the fan blades 23 are driven to rotate to blow air, and the cutting, blowing and crack pouring integrated function is achieved.
It should be noted that, motor and electric heater and controller are prior art's application in this application, it rotates to drive bent axle and worm through a motor simultaneously, wherein the bent axle utilizes the connecting rod to drive the reciprocating function that realizes the pump material that reciprocates of cock board, pivoted worm drives worm wheel and cutting knife and rotates, realize the slot function, furthermore, the bevel gear group drives pivot and flabellum rotation and blows, collect the slot, remove dust and cementation of fissures efficiency in an organic whole, the process is concentrated simply, the construction is swift rapid, work efficiency is greatly improved, it is the innovation point of this application to practice thrift the cost, it has effectively solved current cementation of fissures and need to accomplish through multiple equipment multiple process, the problem that wastes time and energy.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims (6)

1. The asphalt crack pouring device for paving the cement road comprises a heating barrel (1) fixed on a bottom plate (5), a liquid pumping tank (4) positioned on one side of the heating barrel (1) and a cutting assembly for cutting a crack on the cement road surface, and is characterized in that a signal connection controller (3) and an electric heater (2) of a power supply are fixed in the heating barrel (1), the heating barrel (1) is communicated with the liquid pumping tank (4) through a liquid inlet pipe (11), a one-way valve is arranged at the upper opening of the liquid inlet pipe (11), and a liquid outlet pipe (24) is communicated and fixed above the rear part of the liquid pumping tank (4); a cutting assembly is arranged below the front part of the bottom plate (5), the cutting assembly comprises a swing rod (17) with one end rotatably arranged below the bottom plate (5), a cutting knife (16) rotatably arranged at the other end of the swing rod (17), and a worm wheel (14) arranged at the rotating center of the swing rod (17) and the bottom plate (5), and a worm (13) rotatably connected below the bottom plate (5), the worm (13) is meshed with a worm wheel (14), the worm wheel (14) is connected with the cutting knife (16) through a second transmission piece (15), a blowing assembly is also arranged below the bottom plate (5), the blowing assembly comprises a bevel gear set connected to the end part of the worm (13) and a fan assembly connected with the bevel gear set, the fan assembly consists of a rotating shaft and fan blades (23), and the liquid inlet pipe (11) is respectively connected with the upper part of the top end of the rear part of the heating barrel (1) and the upper part of the front part of the liquid extracting tank (4).
2. The asphalt crack sealing device for cement road paving according to claim 1, characterized in that an adjusting mechanism for adjusting the height of the cutting knife (16) is further arranged below the bottom plate (5), the adjusting mechanism comprises a cylinder (20) fixedly arranged below the bottom plate (5), a piston rod (19) hermetically and slidably connected to the cylinder (20), and an adjusting rod (18) connected between the piston rod (19) and the swing rod (17), wherein one end of the adjusting rod (18) is hinged on the swing rod (17), and the other end is hinged at the end of the piston rod (19).
3. The asphalt crack pouring device for paving the cement road as claimed in claim 1, wherein the side wall of the lower part of the liquid pumping tank (4) is connected with a motor (7) which is electrically connected with a power supply and a switch through a flange, the output end of the motor (7) is connected with a crankshaft (8), two sides of the crankshaft (8) penetrate through the liquid pumping tank (4) and are connected with the liquid pumping tank through bearings, the middle bending part of the crankshaft (8) is sleeved with the lower end of a connecting rod (9), the upper end of the connecting rod (9) is rotatably connected with a plug plate (10), and the edge of the plug plate (10) is in sealing fit with the inner wall of the liquid pumping tank.
4. An asphalt crack pouring device for cement road paving according to claim 3, characterized in that the end of the crankshaft (8) is connected with the worm (13) through the first transmission member (12), and the bottom plate (5) is provided with a through hole for the first transmission member (12) to pass through.
5. The asphalt crack sealing device for cement road paving according to claim 1, wherein the bevel gear set is composed of a first bevel gear (21) fixed at the end of the worm (13) and a second bevel gear (22) fixed on a rotating shaft, the first bevel gear (21) is meshed with the second bevel gear (22), the upper end of the rotating shaft is rotatably connected to the bottom plate (5), and the lower end of the rotating shaft is fixed with fan blades (23).
6. An asphalt crack pouring device for cement road paving according to any of the claims 1-5, characterized in that the lower corners of the bottom plate (5) are provided with rollers (6) in a rotating way, and a pushing handle (25) for pushing the whole device to move is fixedly connected above the rear part of the bottom plate (5).
CN201910529633.4A 2019-06-19 2019-06-19 Asphalt crack pouring device for cement road paving Active CN110144801B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910529633.4A CN110144801B (en) 2019-06-19 2019-06-19 Asphalt crack pouring device for cement road paving

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910529633.4A CN110144801B (en) 2019-06-19 2019-06-19 Asphalt crack pouring device for cement road paving

Publications (2)

Publication Number Publication Date
CN110144801A CN110144801A (en) 2019-08-20
CN110144801B true CN110144801B (en) 2021-05-14

Family

ID=67595805

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910529633.4A Active CN110144801B (en) 2019-06-19 2019-06-19 Asphalt crack pouring device for cement road paving

Country Status (1)

Country Link
CN (1) CN110144801B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111851237A (en) * 2020-08-09 2020-10-30 杜东升 Road maintenance structure and construction method thereof
CN112376377A (en) * 2020-11-06 2021-02-19 刘杰 Device capable of solving problems of easy position deviation and uneven glue discharge during pavement joint patching
CN112458854A (en) * 2020-11-09 2021-03-09 刘涛 Environment-friendly asphalt crack pouring device for highway construction

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203904808U (en) * 2014-06-13 2014-10-29 中交一公局第五工程有限公司 Pavement joint sweeping vehicle for cleaning concrete pavement joints
CN204509963U (en) * 2015-02-01 2015-07-29 安晓东 A kind of Multifunctional asphalt pouring machine
US10688687B2 (en) * 2016-11-08 2020-06-23 J&P Invesco Llc Volumetric concrete mixing system, equipment, and method
CN207277154U (en) * 2017-08-07 2018-04-27 方华 The clear pouring machine of energy saving and environment friendly road surface hybrid power integration
CN208328629U (en) * 2018-03-27 2019-01-04 张海砚 A kind of highway subgrade maintenance pavement seam filling device
CN108941723A (en) * 2018-08-10 2018-12-07 佛山市环宇新型材料有限公司 A kind of Coil Coating Products Scissoring device of anti-pollution noise reduction
CN109590263A (en) * 2018-12-17 2019-04-09 郭磊 A kind of contagious department ward floor cleaning disinfecting car

Also Published As

Publication number Publication date
CN110144801A (en) 2019-08-20

Similar Documents

Publication Publication Date Title
CN110144801B (en) Asphalt crack pouring device for cement road paving
CN110409276B (en) Road surface laying machine for mixed paving of road
CN215441504U (en) Road and bridge crack repairing device
CN211420816U (en) Buffer device for highway maintenance operation area
CN109082990B (en) Damaged asphalt pavement repairing method
CN207973978U (en) A kind of Multifunctional asphalt road surface repair machine
CN207354830U (en) A kind of gardens weeder
CN207259932U (en) A kind of asphalt road surface gap filling machine
CN108118657B (en) A kind of road snow mantle roots out equipment
CN207484253U (en) A kind of town road cuts joint filling device
CN108118656B (en) A kind of road snow mantle roots out equipment
CN215164482U (en) Road construction maintenance patching device
CN206655228U (en) A kind of soil obstacle cleaning machine for building
CN206503061U (en) A kind of adjustable road surface slotting machine of twolip
CN212956077U (en) Municipal administration road surface patching device
CN211517990U (en) Concrete mixer
CN113373782A (en) A highway crack processing apparatus for highway engineering
CN210797200U (en) Road construction is with mixing trowelling integrated device of earth stirring
CN207452980U (en) A kind of multi-functional digging machine shovel of basement process
CN209053052U (en) A kind of gardens snow plough with sprinkling irrigation spray
CN209443719U (en) Interior glazed tile grouting machine
CN212533665U (en) Small-sized asphalt pavement crack pouring machine
CN216156319U (en) Compaction device for pavement repair
CN210238222U (en) Vibration hammer for road surface tamping
CN220847003U (en) Crack repairing machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20210426

Address after: 1713, block B, wanguocheng, No.9, Pingji Avenue, Pinglang Road, xialilang community, Nanwan street, Longgang District, Shenzhen, Guangdong 518000

Applicant after: Shenzhen Shengtong Wanhong Technology Co.,Ltd.

Address before: 226200 Room 104, Building 23, Lagerstroemia Village, Huilong Town, Qidong City, Nantong City, Jiangsu Province

Applicant before: Liu Jiahua

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant