CN112301849A - In-situ heat regeneration heating unit - Google Patents
In-situ heat regeneration heating unit Download PDFInfo
- Publication number
- CN112301849A CN112301849A CN202011145622.5A CN202011145622A CN112301849A CN 112301849 A CN112301849 A CN 112301849A CN 202011145622 A CN202011145622 A CN 202011145622A CN 112301849 A CN112301849 A CN 112301849A
- Authority
- CN
- China
- Prior art keywords
- heating wall
- heating
- unit
- traction
- linking 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.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/065—Recycling in place or on the road, i.e. hot or cold reprocessing of paving in situ or on the traffic surface, with or without adding virgin material or lifting of salvaged material; Repairs or resurfacing involving at least partial reprocessing of the existing paving
Abstract
The invention relates to a hot in-place recycling heating unit, which is applied to the technical field of asphalt maintenance equipment and comprises a plurality of heating wall units which are hinged with each other and a traction host machine used for drawing the heating wall units to move, wherein the traction host machine is provided with a fuel supply system for supplying energy, a generator set used for supplying power to the traction host machine and the heating wall units and a control system used for controlling the traction host machine and the heating wall units, the heating wall units comprise heating wall bodies, a combustion system and a fan system used for generating heat, the combustion system is communicated with the fuel supply system through a pipeline, and the fan system is electrically connected with the generator set and the control system through a lead. The invention has simple structure and low production cost; parts are exposed, and the maintenance cost is low; the heating efficiency is high.
Description
Technical Field
The invention relates to the technical field of asphalt maintenance equipment, in particular to a hot in-place recycling heating unit.
Background
Present road is mostly with pitch as top layer road surface, and the road needs the maintenance, and in road maintenance process, to pitch road, need shovel to pitch, heat, lay, the compaction, before shoveling pitch, need heat the pitch on the road surface, current heat regeneration heating machine through the in situ heat heats pitch, the subsequent shovel of being convenient for.
The existing in-situ heat regeneration heating machine comprises a frame, a power system, a fuel system, an electric power system and a heating wall, wherein the power system, the fuel system, the electric power system and the heating wall are arranged on the frame. The heating wall is parallel to the road surface and is attached to the road surface as much as possible, the fuel system provides heat for the heating wall, the power system drives the vehicle to run, and the power system provides electric energy for equipment needing electricity for the whole machine.
The above-mentioned kind of hot in-place recycling heater is integrative to set up, and all subsystems concentrate on the frame entirely, leads to the following problem:
1. the heat overflow of the heating wall can improve the temperature of the construction environment of the host, so that each molecular system of the host works in a high-temperature environment, the service life of each part is influenced, and the reliability and the safety of the host are greatly influenced;
2. the frame is provided with various systems, so that the area of a heating wall is limited, the heating efficiency is low, and the construction progress is influenced;
3. because all subsystems are arranged in a centralized manner, the structure is too compact, inconvenience is brought to subsequent maintenance, and the maintenance difficulty is increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a hot in-place regenerative heating unit which has the advantages of simple structure and low production cost; parts are exposed, and the maintenance cost is low; the heating efficiency is high.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a hot regenerative heating unit in place, includes a plurality of articulated heating wall units each other and is used for pulling the host computer that pulls that heating wall unit removed, pull the fuel feed system that is equipped with the energy supply on the host computer, be used for pulling the generating set of host computer and heating wall unit power supply and be used for controlling the control system who pulls host computer and heating wall unit, heating wall unit is including heating the wall body, be used for producing thermal combustion system and fan system, through the pipeline intercommunication between combustion system and the fuel feed system, fan system passes through the wire and generating set, control system electricity is connected.
Further setting: the heating wall unit is still including the a steering system that traveles that is used for the drive to heat the removal of wall body, the steering system that traveles is including fixing slewing bearing on the heating wall body, rotating the first linking arm of connection on slewing bearing and articulate the second linking arm on first linking arm, it sets up the drive wheel to rotate on the second linking arm, be equipped with between first linking arm and the second connection and be used for driving pivoted lift cylinder between first linking arm and the second linking arm, lift cylinder's cylinder body and piston rod are articulated with first linking arm and second linking arm respectively.
Further setting: and the slewing bearing is provided with a servo motor for driving the first connecting arm to automatically rotate around a vertical axis.
Further setting: the heating wall unit is still including being used for the power module for the drive wheel power supply, power module is including fixed casing on the heating wall body, battery and the hydraulic pressure station that is located the casing, the battery passes through wire and generating set signal of telecommunication connection, simultaneously the battery passes through the wire and supplies power for hydraulic pressure station and drive wheel, install on the casing and stand radiating exhaust fan to battery and hydraulic pressure.
Further setting: the control system comprises a plurality of control units arranged on the heating wall unit, each control unit comprises a PLC, and the PLC is connected with an exhaust fan, a hydraulic station, a servo motor and a fan system through electric signals through wires.
Further setting: the heating wall units and the traction main machine are connected through traction rods, the traction rods are rotatably connected to the heating wall body or the traction main machine, and two ends of each traction rod can be detachably connected to the traction main machine or the heating wall units.
Further setting: the fuel supply system comprises a tank body used for storing fuel, a pipeline communicated with the tank body and an oil pump used for conveying the fuel, and the oil pump is in electric signal connection with the control system.
The effect that above-mentioned setting reached: the oil pump is used for delivering fuel oil to the heating wall unit.
Compared with the prior art, the invention has the following beneficial effects:
1. the traction main machine and the heating wall unit are arranged separately, so that modularization and unitization are thoroughly achieved, the design period and the manufacturing period are greatly shortened, and after the traction main machine and the heating wall unit are modularized, compared with an integrated in-situ heat regeneration heating machine, the whole structure is greatly simplified, and half of production cost can be reduced; all parts of the heating wall unit are exposed, so that the maintenance is convenient, and the later maintenance cost is reduced;
2. compared with the existing integrated in-situ heat regeneration heating machine, the number of the main machines is reduced, one traction main machine is shared, and the heating wall units have self-walking capability, so that large traction force is not required for the traction main machine, and the required number of heating wall units can be increased at will to increase the area of the heating wall body, thereby improving the heating efficiency of asphalt;
3. after the heating wall unit and the traction main machine are designed in a split mode, the heat emitted by the heating wall unit is prevented from influencing parts on the traction main machine, and the service life of the whole traction main machine is prolonged;
4. the heating wall unit only contains one hydraulic element of the lifting oil cylinder, so that the hydraulic elements are reduced, particularly the hydraulic elements are easy to damage in a high-temperature environment, and the maintenance cost is further reduced;
5. the traction main machine supplies energy to all the heating wall units, so that in the working process, the traction main machine and the heating wall units are integrated, the length of the whole structure is long, the cooperative steering of the whole machine set is difficult, and independent power steering modules are added to the traction main machine and the heating wall units, so that the independent steering can be realized, and the flexible steering can be realized according to a construction route;
6. to the construction of transition, the heating wall unit can climb on the trailer voluntarily, perhaps through the crane handling in the construction motorcade to the trailer to realize the construction of transition.
Drawings
FIG. 1 is a schematic structural view of the entire front view of the present embodiment;
FIG. 2 is a schematic structural view of the present embodiment from the top;
FIG. 3 is a schematic top view of the heating wall unit of the present embodiment;
fig. 4 is a schematic configuration diagram of a running steering system of the embodiment;
fig. 5 is a schematic structural diagram of the power module of the present embodiment.
In the figure: 1. a traction main machine; 1.1, an automobile chassis; 1.2, a fuel supply system; 1.3, a control system; 1.4, a generator set; 2. a heating wall unit; 2.1, a driving steering system; 2.1.1, a first connecting arm; 2.1.2, a servo motor; 2.1.3, slewing bearing; 2.1.4, a lifting oil cylinder; 2.1.5, driving wheels; 2.1.6, a second connecting arm; 2.2, heating the wall body; 2.3, a power module; 2.3.1, a shell; 2.3.2, a heat radiation fan; 2.3.3, a storage battery; 2.3.4, a hydraulic station; 2.4, a control unit; 3. a draw bar; 4. a pipeline.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example (b): referring to fig. 1-2, a hot in-place recycling heating unit comprises a traction main machine 1 and three identical heating wall units 2, wherein the heating wall units 2 are hinged with each other, and the heating wall units 2 are hinged with the traction main machine 1. The heating wall unit 2 and the traction main machine 1 are independently and separately arranged, and the existing integrated in-situ heat regeneration heating machine is decomposed into the traction main machine 1 and the heating wall unit 2, so that the heat emitted by the heating wall unit 2 is prevented from influencing the whole component. The heating wall units 2 heat the asphalt by using the heat transfer principle after heating, and the traction main machine 1 pulls each heating wall unit 2 to move.
Referring to fig. 1-2, the traction main machine 1 is provided with a fuel supply system 1.2 for supplying energy and a generator set 1.4, wherein the generator set 1.4 is a fuel generator. The heating wall unit 2 comprises a heating wall body 2.2, a combustion system and a fan system for heating the heating wall body 2.2. The combustion system and the fan system are both started in an electric driving mode; the fuel supply system 1.2 comprises a tank for storing fuel, a conduit 4 communicating with the tank and an oil pump for delivering fuel. Pipeline 4 communicates with the combustion system on every heating wall unit 2, and during the oil pump carried each combustion system with fuel, the fan system provided the air when combustion system lighted the oil for the abundant burning of fuel, and then will heat wall body 2.2 heating.
Referring to fig. 1-3, the traction main unit 1 includes a cab and a vehicle chassis 1.1, and a fuel supply system 1.2 and a generator set 1.4 are mounted on the vehicle chassis 1.1. Therefore, the fuel supply system 1.2 and the generator set 1.4 are far away from the heating wall unit 2, and the fuel supply system 1.2 and the generator set 1.4 are prevented from being damaged by heat emitted by the heating wall unit 2.
Referring to fig. 1-4, the heating wall units 2 and the traction main machine 1 are connected through traction rods 3, the traction rods 3 are rotatably connected to the heating wall body 2.2 or the traction main machine 1, and two ends of each traction rod 3 can be detachably connected to the traction main machine 1 or the heating wall units 2. The design can be directly transferred when the construction is completed, the traction main machine 1 and the heating wall unit 2 can be detached, and the traction main machine 1 and the heating wall unit 2 can be transferred automatically respectively.
Referring to fig. 1 to 4, the heating wall unit 2 further includes a driving steering system 2.12.1 and a power module 2.3 for supplying power to the driving steering system 2.1, the driving steering system 2.1 includes a rotary support 2.1.3 fixed on the heating wall body 2.2, a first connection ratio rotatably connected to the rotary support 2.1.3, a second connecting arm 2.1.6 hinged to the first connecting arm 2.1.1 and a driving wheel 2.1.5 rotatably connected to the second connecting arm 2.1.6, an upper end of the first connecting arm 2.1.1 is vertically and fixedly provided with a rotating shaft, the rotating shaft is in interference fit with an inner ring of the rotary support 2.1.3, and an outer ring of the rotary support 2.1.3 is fixed on the heating wall body 2.2. And a servo motor 2.1.2 is arranged on the slewing bearing 2.1.3, and the servo motor 2.1.2 is used for driving the rotating shaft to rotate. As the total length of the traction main machine 1 and the heating wall unit 2 reaches 27 meters, the turning is inconvenient, the rotating shaft can be driven to rotate by the servo motor 2.1.2 at the moment, the direction of the driving wheel 2.1.5 is further adjusted, and the function of independent steering of the heating wall unit 2 is realized.
Referring to fig. 1 to 4, in case of a transition problem, if the distance between two adjacent construction sites is too long, the heating wall unit 2 cannot be driven to the site, which is a problem of difficulty in transition compared to the integrated type in-situ heat regeneration heating machine. Therefore, the following scheme is designed, the driving wheel 2.1.5 adopts a driving wheel 2.1.5 structure of an electric vehicle, specifically can be driven by a rim motor, the driving wheel 2.1.5 is powered by the power module 2.3, the functions of self walking and climbing of the heating wall unit 2 are realized, the same speed as the traction main machine 1 can be kept during construction, and the output of the traction main machine 1 is reduced. In long distance transportation, only need set up the climbing plate on the trailer, can realize heating wall unit 2 automatic movement to the trailer, can lift by crane on the trailer through the crane of construction motorcade on, effectively overcome the inconvenient technical problem of transition like this. This is also the reason that the existing in-situ heat regenerative heater is integrated rather than a split design.
Referring to fig. 3-4, a lift cylinder 2.1.4 for driving the first connecting arm 2.1.1 and the second connecting arm 2.1.6 to rotate is arranged between the first connecting arm 2.1.1 and the second connecting arm 2.1.6, and a cylinder body and a piston rod of the lift cylinder 2.1.4 are hinged to the first connecting arm 2.1.1 and the second connecting arm 2.1.6 respectively. When a piston rod of the lifting oil cylinder 2.1.4 extends, the first connecting arm 2.1.1 and the second connecting arm 2.1.6 are driven to be opened, so that the distance between the heating wall body 2.2 and the ground is increased; on the contrary, when the piston rod of the lifting cylinder 2.1.4 retracts, the distance between the heating wall body 2.2 and the ground is reduced, so that the distance between the heating wall body and the ground can be adjusted.
Referring to fig. 3-5, the power module 2.3 includes a housing 2.3.1 fixed to the heating wall body 2.2, a battery 2.3.3 and a hydraulic station 2.3.4 disposed in the housing 2.3.1, and a fan 2.3.2 for dissipating heat from the battery 2.3.3 and the hydraulic station 2.3.4 is installed on the housing 2.3.1. Exhaust fan 2.3.2 is used for dispelling the heat to battery 2.3.3, avoids heating the heat that wall body 2.2 gived off to battery 2.3.3 and hydraulic pressure station 2.3.4 production influence. The hydraulic station 2.3.4 is connected with the lift cylinder 2.1.4 through a pipeline 4, and has the function of the lift cylinder 2.1.4. The storage battery 2.3.3 supplies power to the hydraulic station 2.3.4, the servo motor 2.1.2 and the driving wheel 2.1.5 through a lead, and the energy sources for heating the wall unit 2 are independent. The storage battery 2.3.3 is electrically connected with the generator set 1.4 through a lead, and the electric energy of the storage battery 2.3.3 comes from the generator set 1.4.
Referring to fig. 1-5, control system 1.3 includes a plurality of control units 2.4 that set up on heating wall unit 2, control unit 2.4 includes the PLC controller, the PLC controller passes through wire and exhaust fan 2.3.2, hydraulic pressure station 2.3.4, servo motor 2.1.2 and fan system and the electrical part signal connection that needs to control with the electricity, control system 1.3 sets up on drawing host computer 1, realize controlling whole unit like this on drawing host computer 1, control unit 2.4 sets up in one side of power module 2.3, can utilize exhaust fan 2.3.2 to dispel the heat to control unit 2.4 like this.
The implementation principle of the above embodiment is as follows: the traction main machine 1 and the heating wall unit 2 are arranged in a split mode, so that the area of the heating wall body 2.2 can be increased, the heating efficiency of the ground is improved, the environment temperature of a construction ring is improved, and the temperature is avoided; all the parts have dispersed structures, large maintenance space and convenient maintenance; the traction main machine 1 and the heating wall unit 2 are modularized, so that the whole manufacturing and assembling are convenient, and the manufacturing period and the manufacturing cost are shortened.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A hot in-place recycling heating unit is characterized in that: including a plurality of articulated heating wall unit (2) each other and be used for pulling traction host computer (1) that heating wall unit (2) removed, be equipped with fuel feed system (1.2) of energy supply on traction host computer (1), be used for traction host computer (1) and generating set (1.4) of heating wall unit (2) power supply and be used for controlling traction host computer (1) and control system (1.3) of heating wall unit (2), heating wall unit (2) are including heating wall body (2.2), be used for producing thermal combustion system and fan system, communicate through pipeline (4) between combustion system and the fuel feed system (1.2), the fan system passes through wire and generating set (1.4), control system (1.3) electricity and connects.
2. A hot in-place recycling heating unit as set forth in claim 1, wherein: heating wall unit (2) still including being used for driving steering system (2.1) that traveles that heating wall body (2.2) removed, steering system (2.1) traveles including fixing slewing bearing (2.1.3) on heating wall body (2.2), rotate first linking arm (2.1.1) of connection on slewing bearing (2.1.3) and articulate second linking arm (2.1.6) on first linking arm (2.1.1), it sets up drive wheel (2.1.5) to rotate on second linking arm (2.1.6), be equipped with between first linking arm (2.1.1) and the second connection and be used for driving lift cylinder (2.1.4) of rotating between first linking arm (2.1.1) and second linking arm (2.1.6), lift cylinder (2.1.4)'s cylinder body and piston rod articulate with first linking arm (2.1.1) and second linking arm (2.1.6) respectively.
3. A hot in-place recycling heating unit as set forth in claim 2, wherein: and a servo motor (2.1.2) for driving the first connecting arm (2.1.1) to automatically rotate around a vertical axis is arranged on the slewing bearing (2.1.3).
4. A hot in-place recycling heating unit as set forth in claim 3, wherein: heating wall unit (2) still including being used for power module (2.3) for drive wheel (2.1.5) power supply, power module (2.3) are including casing (2.3.1) on the fixed heating wall body (2.2), be located battery (2.3.3) and hydraulic pressure station (2.3.4) of casing (2.3.1), battery (2.3.3) pass through wire and generating set (1.4) signal connection, simultaneously battery (2.3.3) are hydraulic pressure station (2.3.4) and drive wheel (2.1.5) power supply through the wire, install on casing (2.3.1) to battery (2.3.3) and the radiating exhaust fan (2.3.2) of hydraulic pressure station (2.3.4).
5. An in situ heat regenerative heating unit as defined in claim 4 wherein: control system (1.3) include a plurality of the control unit (2.4) of setting on heating wall unit (2), control unit (2.4) include the PLC controller, the PLC controller passes through wire and exhaust fan (2.3.2), hydraulic pressure station (2.3.4), servo motor (2.1.2) and fan system electric signal connection.
6. A hot in-place recycling heating unit as set forth in claim 1, wherein: the heating wall units (2) and the traction main machine (1) are connected through the traction rods (3), the traction rods (3) are connected to the heating wall body (2.2) or the traction main machine (1) in a rotating mode, and the two ends of each traction rod (3) can be detachably connected to the traction main machine (1) or the heating wall units (2).
7. A hot in-place recycling heating unit as set forth in claim 1, wherein: the fuel supply system (1.2) comprises a tank for storing fuel, a pipeline (4) communicated with the tank and an oil pump for conveying the fuel, wherein the oil pump is connected with the control system (1.3) through an electric signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011145622.5A CN112301849A (en) | 2020-10-23 | 2020-10-23 | In-situ heat regeneration heating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011145622.5A CN112301849A (en) | 2020-10-23 | 2020-10-23 | In-situ heat regeneration heating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112301849A true CN112301849A (en) | 2021-02-02 |
Family
ID=74327309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011145622.5A Pending CN112301849A (en) | 2020-10-23 | 2020-10-23 | In-situ heat regeneration heating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112301849A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04328081A (en) * | 1991-04-30 | 1992-11-17 | Mitsubishi Heavy Ind Ltd | Wheeled propulsive mechanism |
| CN101255675A (en) * | 2008-04-15 | 2008-09-03 | 英达热再生有限公司 | Sheet pavement in-situ heat regeneration vehicle |
| CN201261857Y (en) * | 2008-09-17 | 2009-06-24 | 南京英达公路养护车制造有限公司 | In situ heating regeneration vehicle for asphalt pavement |
| CN103056866A (en) * | 2013-01-29 | 2013-04-24 | 山东电力集团公司电力科学研究院 | Live-working robot of transformer substation |
| CN104724166A (en) * | 2013-12-19 | 2015-06-24 | 中冶宝钢技术服务有限公司 | Hydraulic suspension heavy-load transportation vehicle |
| CN105755935A (en) * | 2016-04-12 | 2016-07-13 | 江苏威拓公路养护设备有限公司 | Microwave hot in-place recycling complete equipment |
| CN108638755A (en) * | 2018-05-14 | 2018-10-12 | 浙江百施通网络科技有限公司 | Telescopic universal wheel device |
| DE102018210253A1 (en) * | 2018-06-22 | 2019-12-24 | Wirtgen Gmbh | Self-propelled construction machine and method for processing floor coverings |
| CN111608081A (en) * | 2020-05-08 | 2020-09-01 | 中交路桥建设有限公司 | Transportation and erection integrated equipment |
| CN111776104A (en) * | 2020-07-30 | 2020-10-16 | 清华大学天津高端装备研究院 | Clearance magnetic adsorption universal wheel |
-
2020
- 2020-10-23 CN CN202011145622.5A patent/CN112301849A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04328081A (en) * | 1991-04-30 | 1992-11-17 | Mitsubishi Heavy Ind Ltd | Wheeled propulsive mechanism |
| CN101255675A (en) * | 2008-04-15 | 2008-09-03 | 英达热再生有限公司 | Sheet pavement in-situ heat regeneration vehicle |
| CN201261857Y (en) * | 2008-09-17 | 2009-06-24 | 南京英达公路养护车制造有限公司 | In situ heating regeneration vehicle for asphalt pavement |
| CN103056866A (en) * | 2013-01-29 | 2013-04-24 | 山东电力集团公司电力科学研究院 | Live-working robot of transformer substation |
| CN104724166A (en) * | 2013-12-19 | 2015-06-24 | 中冶宝钢技术服务有限公司 | Hydraulic suspension heavy-load transportation vehicle |
| CN105755935A (en) * | 2016-04-12 | 2016-07-13 | 江苏威拓公路养护设备有限公司 | Microwave hot in-place recycling complete equipment |
| CN108638755A (en) * | 2018-05-14 | 2018-10-12 | 浙江百施通网络科技有限公司 | Telescopic universal wheel device |
| DE102018210253A1 (en) * | 2018-06-22 | 2019-12-24 | Wirtgen Gmbh | Self-propelled construction machine and method for processing floor coverings |
| CN111608081A (en) * | 2020-05-08 | 2020-09-01 | 中交路桥建设有限公司 | Transportation and erection integrated equipment |
| CN111776104A (en) * | 2020-07-30 | 2020-10-16 | 清华大学天津高端装备研究院 | Clearance magnetic adsorption universal wheel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105813874A (en) | Electric drive of mobile apparatus | |
| CN102774356B (en) | Device for changing batteries or battery pack of through electric vehicle quickly | |
| CN204399316U (en) | Integral type dual motors drive compound speed regulation device | |
| CN101514539B (en) | Asphalt felt automatic laying machine | |
| US20120120674A1 (en) | Mobile Lighting Apparatus | |
| CN110539652B (en) | Extended-range type traction Automatic Guided Vehicle (AGV) | |
| CN208105343U (en) | A kind of energy storage electric power scraper machine | |
| CN112301849A (en) | In-situ heat regeneration heating unit | |
| CN205188778U (en) | Electricelectric moves road surface and cares car | |
| CN216046176U (en) | Self-propelled crawler-type ultraviolet curing non-excavation repairing robot | |
| CN205553951U (en) | Electronic watering lorry actuating system and electronic watering lorry | |
| CN204895260U (en) | Wind -powered electricity generation blade transport vechicle with panel turnover mechanism | |
| CN109910836B (en) | Internet of things automobile power supply quick dismounting and mounting equipment and working process thereof | |
| CN211375793U (en) | Solar temporary traffic light | |
| CN211283642U (en) | Oil pumping unit maintenance vehicle | |
| CN114439448A (en) | Electrically driven fracturing device | |
| CN105134105A (en) | Hybrid workover rig | |
| CN103538595B (en) | self-propelled rail collision trolley | |
| CN201141112Y (en) | Novel microwave energy heat-reclaiming tar pavement maintenance car | |
| CN220391345U (en) | Engineering machinery electric chassis and engineering machinery | |
| CN206564467U (en) | Electronic digging system | |
| CN213270322U (en) | Mobile pump truck for emergency repair | |
| CN111439137A (en) | Lithium iron phosphate power battery pack new energy railcar | |
| CN203601279U (en) | Self-propelled rail bumping trolley | |
| CN218145702U (en) | Rotary bracket module |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210202 |