CN102561239A - Electric sweeper truck - Google Patents
Electric sweeper truck Download PDFInfo
- Publication number
- CN102561239A CN102561239A CN2012100567766A CN201210056776A CN102561239A CN 102561239 A CN102561239 A CN 102561239A CN 2012100567766 A CN2012100567766 A CN 2012100567766A CN 201210056776 A CN201210056776 A CN 201210056776A CN 102561239 A CN102561239 A CN 102561239A
- Authority
- CN
- China
- Prior art keywords
- round brush
- bundle pipes
- sweeping machine
- refuse collection
- collection passage
- 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.)
- Granted
Links
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The invention provides an electric sweeper truck aiming at the technical problems of high power consumption and unthorough sweeping of the traditional sweeping device. The electric sweeper truck is provided with a frame and a fan; side brushes are arranged on the two sides of the lower part of the frame; a rolling brush is arranged in the middle behind the lower part of the frame; a rolling brush shell is arranged on the outer part of the rolling brush; walking wheels are arranged on the two sides of the rolling brush shell; a garbage collection channel is arranged at the front end of the rolling brush shell and connected with a bundle pipe; the bundle pipe is provided with a front end opening and a rear end opening; the front end opening of the garbage collection channel is contracted and connected with the rear end opening of the bundle pipe; and the front end opening of the bundle pipe is contracted and connected with the fan through a pipeline. The electric sweeper truck provided by the invention has the advantages of energy conservation and good sweeping effect.
Description
Technical field
The present invention relates to a kind of road-cleaning device, especially a kind of electronic sweeping machine.
Background technology
At present, sweeping machine generally adopts following two kinds of cleaning structures: the one, and drawing-in type cleaning conveying mechanism.The advantage that this mechanism has is simple in structure, cleaning is effective; Its shortcoming is that energy consumption is big, and ordinary circumstance needs the power of 30～50KW, needs independent assistant engine to drag, and therefore, its operating cost is high, is prone to produce secondary pollution, can't drive by electrification.The 2nd, round brush adds conveyer belt type cleaning conveying mechanism.This mechanism energy consumption is little, but it is bad to clean effect, especially to one type of thin slice rubbish of leaf for very; Simultaneously, dried sweeping is prone to produce airborne dust, needs water spray dust toward contact.In addition; This mechanism can't directly be used for existing commercial sweeping machine chassis, and is as shown in Figure 1, and the central space of vehicle frame is little in the existing commercial sweeping machine chassis; And round brush adds the central space of the width (being the width of round brush and conveying mechanism) of conveyer belt type cleaning conveying mechanism much larger than existing commercial sweeping machine vehicle frame; When adopting round brush to add conveyer belt type cleaning conveying mechanism like needs, necessary specialized designs sweeping machine chassis makes manufacturing cost increase.
For electronic sweeping machine, if be power with the ferric phosphate lithium cell, on 8 tons of electric chassis, the economic electric weight that loads is about 80～120KW.h, realizes the electronic road of sweeping with this, can only support 2～3 hours.Common solution is, the mechanism of sweeping the floor continues to use original drawing-in type structure, simply assistant engine changed into the motor of respective volume, and general structure is constant.Because battery capacity is not enough, just makes the quick change mode.At present, (once charging, activity duration＞8 hour) the Large Electric commodity sweeping machine that does not also meet energy-conservation requirement.
China CN2317246Y patent gazette discloses a kind of band round brush trailer road-sweeping machine; It has proposed a kind of side brush of vehicle frame both sides that utilizes rubbish has been swept to the middle part; Carry the cleaning technology that throws dustbin by the round brush at middle part then, but should still exist one type of thin slice refuse sweeping of leaf weak effect in the technology, be prone to produce airborne dust, need shortcoming such as water spray dust, in addition; Because this road sweeper is a pull-type, can't directly be used on the electronic sweeping machine.
Summary of the invention
The present invention be directed to the power consumption of conventional electric sweeping machine big, clean sordid technical problem, provide a kind of energy-conservation and clean effective electronic sweeping machine.
Of the present invention it is provided with vehicle frame, blower fan through following technical scheme realization, is provided with the side brush in both sides, vehicle frame bottom, is provided with round brush in centre position, rear, vehicle frame bottom; The round brush outside is provided with the round brush housing; Be provided with road wheel in round brush housing both sides; Round brush housing front end is provided with the refuse collection passage, and the refuse collection passage is connected with bundle pipes, and bundle pipes is provided with front opening and open rearward end; The front opening of refuse collection passage shrinks and is connected with the open rearward end of bundle pipes, and the front opening of bundle pipes shrinks and is connected with blower fan through pipeline.
The further optimal technical scheme of the present invention is: also be provided with conveyer elevator at the vehicle frame middle part, the two ends of conveyer elevator are respectively equipped with garbage inlet and garbage outlet; The front opening of bundle pipes is connected with the garbage inlet of conveyer elevator, and the garbage outlet of conveyer elevator is connected with blower fan through pipeline.
The further optimal technical scheme of the present invention is: bundle pipes, collection channel or round brush housing are connected with rotary lifting mechanism.
The further optimal technical scheme of the present invention is: be provided with inclination protection mechanism and inclination position-limit mechanism between bundle pipes and the refuse collection passage.
The further optimal technical scheme of the present invention is: the inclination protection mechanism is that top or the lower middle position in the junction of bundle pipes and refuse collection passage is provided with axle, and the inclination position-limit mechanism is to be provided with spacer pin in the junction of bundle pipes and refuse collection passage.
The further again optimal technical scheme of the present invention is: top, round brush housing rear portion is provided with opening, and to being provided with cover plate by aperture position, is provided with offset plate in the bottom of round brush housing.
The present invention's optimal technical scheme further is: between the pipeline of the garbage outlet of blower fan and conveyer elevator, also be provided with dust arrester.
The present invention is collecting the compound mode that has adopted round brush promotion and blower fan suction on the rubbish; Compare with traditional drawing-in type cleaning conveying mechanism; Reduce the energy consumption of blower fan effectively, make it possible to guarantee the sufficient cleaning work time, and the dump energy charging of can giving an encore is arranged.Adding conveyer belt type cleaning conveying mechanism with traditional round brush compares; Since introduced the blower fan suction, feasible also excellent to one type of thin slice refuse sweeping of leaf effect, and can remove airborne dust effectively; Be connected with the garbage inlet of conveyer elevator with the contraction of bundle pipes front opening through collection channel in addition; Make the opening and the volume of elevator effectively dwindle, thus can realize round brush on the chassis of existing commercial sweeping machine with being connected of elevator, and need not to design again new chassis; Provide cost savings, improved efficient.
Description of drawings
Fig. 1 is the structural representation on the chassis of traditional sweeping machine.
Fig. 2 is an overall assembly structure sketch map of the present invention.
Fig. 3 is first side sketch map of round brush of the present invention and conveyer elevator part.
Fig. 4 is second side sketch map of round brush of the present invention and conveyer elevator part.
Fig. 5 is the schematic top plan view of round brush of the present invention and conveyer elevator part.
Fig. 6 is the cross-sectional schematic of round brush of the present invention and conveyer elevator part.
Fig. 7 is the assembling sketch map of round brush of the present invention.
Fig. 8 is the AA sectional view of the round brush among Fig. 7.
The specific embodiment
Below, the specific embodiment that present invention will be described in detail with reference to the accompanying.
First embodiment
Like Fig. 2-shown in Figure 6, the present invention includes vehicle frame 1, blower fan 19; Be provided with side brush 2 in both sides, vehicle frame 1 bottom, be provided with round brush 3 in centre position, rear, vehicle frame 1 bottom, side brush 2 is driven by side brush motor 36; Round brush 3 is driven by round brush motor 17, and (this middle part is meant the zone between two longerons of vehicle frame 1 among Fig. 1) also is provided with conveyer elevator 27 at vehicle frame 1 middle part, and the two ends of conveyer elevator 27 are respectively equipped with garbage inlet 8 and garbage outlet 9; Be provided with round brush housing 4 in round brush 3 outsides; Be provided with road wheel 5 in round brush housing 4 both sides, round brush housing 4 front ends are provided with refuse collection passage 7, between refuse collection passage 7 and conveyer elevator 27, also are provided with bundle pipes 6; Bundle pipes 6 is provided with front opening and open rearward end; The front opening of refuse collection passage 7 shrinks and is connected with the open rearward end of bundle pipes 6, and the front opening of bundle pipes 6 shrinks and is connected with the garbage inlet 8 of conveyer elevator 27, and blower fan 19 is connected with the garbage outlet 9 of conveyer elevator 3 through the pipeline (not shown).Conveyer elevator 27 comprises elevator casing 12; Be respectively equipped with axle 13 and conveyer belt lower shaft 14 on the conveyer belt on elevator casing 12 tops and bottom; Be provided with conveyer belt (also claiming the climbing belt) 15 on the conveyer belt between axle 13 and the conveyer belt lower shaft 14, conveyer belt lower shaft 14 is driven by elevator motor 16.
In order to alleviate the friction on when not cleaning round brush 3 and ground; Thereby prolong the application life of round brush 3, bundle pipes 6 can rotate around the garbage inlet 8 of conveyer elevator 27, and bundle pipes 6 is connected with rotary lifting mechanism; Rotary lifting mechanism is provided with stiffener 33 in the both sides of conveyer elevator 27 bottom halves; Between two stiffeners 33, be provided with balance staff 34, the both sides of balance staff 34 are connected with bundle pipes 6 through pivoted arm 35, and balance staff 34 is driven by pneumatic means.
In order to prevent to carry owing to Uneven road, road wheel 5 generation inclinations influence rubbish in the process of walking, between bundle pipes 6 and refuse collection passage 7, be provided with inclination protection mechanism and inclination position-limit mechanism.The inclination protection mechanism is that the lower middle position in the junction of bundle pipes 6 and refuse collection passage 7 is provided with axle 18 (axle also can be located at the upper middle position of the junction of bundle pipes 6 and refuse collection passage 7); The inclination position-limit mechanism is to be provided with the spacer pin (not shown) in the junction of bundle pipes 6 and refuse collection passage 7, and spacer pin is used to limit the displacement of refuse collection passage 7 relative bundle pipes 6 deflections.Position and shape that the hole of spacer pin is installed have been shown among Fig. 3; As shown in Figure 3, a side that is positioned at bundle pipes 6 in the junction of bundle pipes 6 and refuse collection passage 7 is provided with circular hole 10, and a side that is positioned at refuse collection passage 7 in the junction of bundle pipes 6 and refuse collection passage 7 is provided with and circular hole 10 corresponding slotted holes 11; When bundle pipes 6 when axle 18 deflects; Spacer pin moves in the scope of slotted hole 11, can guarantee that like this angle of inclination is not too large, and influence the conveying of rubbish.
For the ease of the adjustment of round brush 3, above round brush housing 4 rear portions, be provided with opening, and be provided with cover plate 20 at this opening correspondence position.In order to protect round brush 3, be connected with offset plate 21 in the bottom of round brush housing 4.
In addition, the present invention also can be provided with dust arrester 38 between the pipeline of the garbage outlet 9 of blower fan 19 and conveyer elevator 27.For example, can use centrifugal electrostatic precipitator or filter core separately, also can use the combination of centrifugal electrostatic precipitator and filter core to come further to eliminate dust.
Below, specify the structure of the round brush 3 of present embodiment with reference to Fig. 7-Fig. 8.
Like Fig. 6-shown in Figure 8; Round brush 3 comprises roller brush shaft 22; On roller brush shaft 22, be fixed with sleeve pipe 23 through key; Sleeve pipe 23 connects 4 U-shaped bristle base 25 respectively through 4 guide pillars 24, on the two side of each U-shaped bristle base 25, is crimped with thick bristle 37 and thin bristle 28 respectively through bristle pressing plate 26.Assembling and location for the ease of U-shaped bristle base 25; Promptly finally make the position of 4 U-shaped bristle base corresponding, have slotted hole 30, have slotted hole 31 in the both sides, bottom surface of U-shaped bristle base 25 at the middle part, bottom surface of U-shaped bristle base 25; Both sides at sleeve pipe 23 middle part guide pillars 24 are provided with location-plate 29; Location-plate 29 passes slotted hole 30 with guide pillar 24, and sleeve pipe 23 both sides are connected with an end of 4 groups of adjustment arms 32, and the other end of 4 groups of adjustment arms 32 passes slotted hole 31 and links to each other with U-shaped bristle base 25.
Through said structure, can laterally adjust the position of U-shaped bristle base 25, when the position of 4 U-shaped bristle base 25 at once, will adjust arm 32, guide pillar 24 is fixing with U-shaped bristle base 25, thus the assembling and the location of realizing U-shaped bristle base 25.In addition, adopt bristle pressing plate 26 that bristle is crimped on the mode of U-shaped bristle base 25, can realize the quick loading and unloading of bristle.It should be noted that being provided with 4 U-shaped bristle base 25 among the embodiment 1 is provided with bristle, but the invention is not restricted to 4, can be 1 or other number, for example 2 or 5.Adopted the scheme that is provided with two kinds of bristles of thickness simultaneously in addition among the embodiment 1, but the present invention can only be provided with a kind of bristle.
The course of work of the present invention is described below.
At first, side brush motor-driven side brush rotates, and rubbish is accumulated in the middle part, and then round brush motor-driven round brush quickens to become fluid (round brush has the effect of blast fan) with rubbish, dust, air.Fluid (comprising dust and rubbish) is united under the promotion in round brush promotion and blower fan suction, gets into bundle pipes through the refuse collection passage.Because the constraint that the opening of refuse collection passage and bundle pipes shrinks; Fluid is upwards done the motion of reduced width; During to conveyer elevator garbage inlet place, reduced width and speed also improve, and then the conveyer belt of conveyer elevator promotes rubbish, throw and deliver in the big case of road sweeper.
In addition, though provided the structure of concrete round brush in the above-described embodiments, the present invention can adopt other roller brushes structure, the structure of the disclosed round brush of for example Chinese CN2317246Y patent gazette.In addition, in the above-described embodiments, rotary lifting mechanism is connected with bundle pipes 6, but rotary lifting mechanism also can be connected with refuse collection passage 7 or round brush housing 4.Because the present invention adopts round brush to promote the compound mode with the blower fan suction, therefore clean in the conveying mechanism and compare with traditional drawing-in type, it is little that the present invention aspirates required power consumption, can adopt the small-power blower fan.
In actual car load cleaning test process, when the power of round brush motor is 3KW, the power of elevator motor is 500W; The power of side brush motor (4) adds up to 1KW, and the power of blower fan is 4KW, can reach good cleaning effect; Total like this cleaning transmission power is merely 8.5KW, even add the road horsepower 2KW of electric cleaning car, total power also be merely 10.5KW; For electronic sweeping machine, be power with the ferric phosphate lithium cell, on 8 tons of electric chassis; The economic electric weight that loads is about under the situation of 120KW.h, can satisfy to surpass 8 hours activity duration, and dump energy can also guarantee the electric cleaning car charging of giving an encore.
Second embodiment
The second embodiment of the present invention is described below
The structure of the second embodiment of the present invention is basic identical with first embodiment, therefore, no longer is repeated in this description, and only describes the difference of second embodiment and first embodiment.The difference of second embodiment and first embodiment mainly is: in a second embodiment, remove elevator conveyer elevator 27, promptly the front opening of bundle pipes 6 shrinks and directly is connected with blower fan 19 through pipeline.In addition, between the pipeline of the front opening of blower fan 19 and bundle pipes 6, also be provided with dust arrester 38.Because rolling and brushing mechanism can make rubbish obtain very high speed; Therefore just can rubbish and dust be drawn in the dustbin through low power blower fan; Therefore compare with first embodiment, structure is more simple, and has good cleaning effect and energy-saving effect.In addition, in a second embodiment, rotary lifting mechanism is provided with stiffener 33 on vehicle frame 1, between two stiffeners 33, be provided with balance staff 34, and the both sides of balance staff 34 are connected with bundle pipes 6 through pivoted arm 35, and balance staff 34 is driven by pneumatic means.
Claims (8)
1. electronic sweeping machine, it is provided with vehicle frame, blower fan, is provided with the side brush in both sides, vehicle frame bottom; Be provided with round brush in centre position, rear, vehicle frame bottom; It is characterized in that: said round brush outside is provided with the round brush housing, is provided with road wheel in said round brush housing both sides, and said round brush housing front end is provided with the refuse collection passage; Said refuse collection passage is connected with bundle pipes; Said bundle pipes is provided with front opening and open rearward end, and the front opening of said refuse collection passage shrinks and is connected with the open rearward end of said bundle pipes, and the front opening of said bundle pipes shrinks and is connected with said blower fan through pipeline.
2. electronic sweeping machine according to claim 1 is characterized in that: also be provided with conveyer elevator at said vehicle frame middle part, the two ends of said conveyer elevator are respectively equipped with garbage inlet and garbage outlet; The front opening of said bundle pipes is connected with the garbage inlet of said conveyer elevator, and the garbage outlet of said conveyer elevator is connected with said blower fan through pipeline.
3. electronic sweeping machine according to claim 1 and 2 is characterized in that: said bundle pipes, said collection channel or said round brush housing are connected with rotary lifting mechanism.
4. electronic sweeping machine according to claim 1 and 2 is characterized in that: said bundle pipes and said refuse collection passage junction are provided with inclination protection mechanism and inclination position-limit mechanism.
5. electronic sweeping machine according to claim 4; It is characterized in that: said inclination protection mechanism is that top or the lower middle position in the junction of said bundle pipes and said refuse collection passage is provided with axle, and said inclination mechanism is provided with spacer pin in the junction of said bundle pipes and said refuse collection passage.
6. electronic sweeping machine according to claim 1 is characterized in that: top, said round brush housing rear portion is provided with opening, and to being provided with cover plate by aperture position, is provided with offset plate in the bottom of said round brush housing.
7. electronic sweeping machine according to claim 1 is characterized in that: between the pipeline of the front opening of said blower fan and said bundle pipes, also be provided with dust arrester.
8. electronic sweeping machine according to claim 2 is characterized in that: between the pipeline of the garbage outlet of said blower fan and said conveyer elevator, also be provided with dust arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210056776 CN102561239B (en) | 2012-03-06 | 2012-03-06 | Electric sweeper truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210056776 CN102561239B (en) | 2012-03-06 | 2012-03-06 | Electric sweeper truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102561239A true CN102561239A (en) | 2012-07-11 |
| CN102561239B CN102561239B (en) | 2013-05-08 |
Family
ID=46407723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210056776 Active CN102561239B (en) | 2012-03-06 | 2012-03-06 | Electric sweeper truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102561239B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765323A (en) * | 2012-08-01 | 2012-11-07 | 烟台海德专用汽车有限公司 | Novel automobile chassis special for electric transmission |
| CN103276681A (en) * | 2013-05-15 | 2013-09-04 | 江苏金陵体育器材股份有限公司 | Electric water-absorbing cart |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034599A (en) * | 1988-01-29 | 1989-08-09 | 杜利沃股份公司 | Collect the sweeping machine that rubbish is used |
| CN2317246Y (en) * | 1997-11-26 | 1999-05-05 | 王铭锋 | Pull-type road sweeper with rolling brush |
| JP2000175563A (en) * | 1998-12-17 | 2000-06-27 | Kyoeisha:Kk | Sulky type machine for cleaning surface of lawn |
| CN2646201Y (en) * | 2003-08-19 | 2004-10-06 | 沈阳伟达机械有限公司 | Road sweeper without auxiliary engine |
| CN101343865A (en) * | 2008-06-20 | 2009-01-14 | 崔自有 | Roller brush type dust absorption nozzle for dust absorption automobile |
-
2012
- 2012-03-06 CN CN 201210056776 patent/CN102561239B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034599A (en) * | 1988-01-29 | 1989-08-09 | 杜利沃股份公司 | Collect the sweeping machine that rubbish is used |
| CN2317246Y (en) * | 1997-11-26 | 1999-05-05 | 王铭锋 | Pull-type road sweeper with rolling brush |
| JP2000175563A (en) * | 1998-12-17 | 2000-06-27 | Kyoeisha:Kk | Sulky type machine for cleaning surface of lawn |
| CN2646201Y (en) * | 2003-08-19 | 2004-10-06 | 沈阳伟达机械有限公司 | Road sweeper without auxiliary engine |
| CN101343865A (en) * | 2008-06-20 | 2009-01-14 | 崔自有 | Roller brush type dust absorption nozzle for dust absorption automobile |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765323A (en) * | 2012-08-01 | 2012-11-07 | 烟台海德专用汽车有限公司 | Novel automobile chassis special for electric transmission |
| CN102765323B (en) * | 2012-08-01 | 2015-07-29 | 烟台海德专用汽车有限公司 | A kind of power drive special-purpose automobile chassis |
| CN103276681A (en) * | 2013-05-15 | 2013-09-04 | 江苏金陵体育器材股份有限公司 | Electric water-absorbing cart |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102561239B (en) | 2013-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101956377B (en) | Cleaning device of garbage on ground | |
| CN102312413B (en) | Road washing and sweeping vehicle | |
| CN110403537A (en) | Multi-functional clean ground machine | |
| CN210797395U (en) | Chassis mechanism of intelligent floor sweeping robot | |
| CN201952764U (en) | Mini-type hybrid-power sweeping vehicle | |
| CN102561239B (en) | Electric sweeper truck | |
| CN105507190B (en) | Multiple rolling sweeper combined sweeping mechanism of road sweeper | |
| CN105544444B (en) | Cleaning agency is combined in a kind of sweeper size rolling and brushing | |
| CN201459657U (en) | Portable road sweeper | |
| CN204875634U (en) | Small -size on -vehicle formula scavenging machine | |
| CN207193855U (en) | Feng Yishi refuse sweepings mechanism | |
| CN107761626A (en) | A kind of multifunctional dynamoelectric cleaning car | |
| CN101748698A (en) | Environment-friendly energy-saving street sweeper truck | |
| CN203188160U (en) | Electric chain flat roller type sweeper | |
| CN201593171U (en) | Cleaning mechanism of road cleaning vehicle | |
| CN201635037U (en) | Environment-friendly and energy-saving road sweeper | |
| CN205475015U (en) | Road sweeper rolls mechanism of cleaning of sweeping combination more | |
| CN108867502A (en) | A kind of fork truck sweeper for exempting to tear pallet fork open | |
| CN201050043Y (en) | Rolling broom transmission mechanism for road cleaning vehicle | |
| CN213896945U (en) | Unmanned vehicle for urban construction development | |
| CN205711907U (en) | A kind of single-stage brush formula cleaning agency | |
| CN203514234U (en) | Sweeper truck | |
| CN208415169U (en) | A kind of solar energy road sweeper | |
| CN111395238A (en) | Garbage conveying belt transmission device of garbage sweeper | |
| CN206956630U (en) | A kind of sweeper with solar energy supervising device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Electric sweeper Effective date of registration: 20211110 Granted publication date: 20130508 Pledgee: Yantai Haide Environmental Technology Co.,Ltd. Pledgor: YANTAI HAIDE SPECIAL VEHICLE Co.,Ltd. Registration number: Y2021980012147 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230726 Granted publication date: 20130508 Pledgee: Yantai Haide Environmental Technology Co.,Ltd. Pledgor: YANTAI HAIDE SPECIAL VEHICLE Co.,Ltd. Registration number: Y2021980012147 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |