CN107381106A - Highly effective and safe action foodstuff unloading apparatus - Google Patents

Highly effective and safe action foodstuff unloading apparatus Download PDF

Info

Publication number
CN107381106A
CN107381106A CN201710654748.7A CN201710654748A CN107381106A CN 107381106 A CN107381106 A CN 107381106A CN 201710654748 A CN201710654748 A CN 201710654748A CN 107381106 A CN107381106 A CN 107381106A
Authority
CN
China
Prior art keywords
car door
highly effective
transport vehicle
unloading apparatus
deflector
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
Application number
CN201710654748.7A
Other languages
Chinese (zh)
Inventor
高伟
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201710654748.7A priority Critical patent/CN107381106A/en
Publication of CN107381106A publication Critical patent/CN107381106A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G67/00Loading or unloading vehicles
    • B65G67/02Loading or unloading land vehicles
    • B65G67/24Unloading land vehicles
    • B65G67/30Unloading land vehicles using transportable tipping apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/18Preventing escape of dust
    • B65G69/185Preventing escape of dust by means of non-sealed systems
    • B65G69/186Preventing escape of dust by means of non-sealed systems with aspiration means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/04Bulk
    • B65G2201/042Granular material

Abstract

Highly effective and safe action foodstuff unloading apparatus of the present invention belongs to the technical field of material conveying;Technical problem to be solved is:A kind of highly effective and safe action foodstuff unloading apparatus is provided, the slow drop of transportation vehicle door set in unloading, and multi-faceted protection is carried out to falling grain, the health and security of work is improved, is scattered under transport vehicle without surplus grain;The technical scheme used for:Highly effective and safe action foodstuff unloading apparatus, crawler belt or at least four wheels and the internal slot type body for being provided with conveyer belt are provided with including bottom, at least two car door slow descending mechanisms are provided with body, and the car door both sides of two car door slow descending mechanism difference respective transfer cars, body is provided tiltedly with deflector close to the side of transport vehicle, the deflector lower end sealing is fixed on body side top, the higher-end of the deflector presses close to the bottom surface of transport vehicle, and the control panel of control car door slow descending mechanism is additionally provided with the body.

Description

Highly effective and safe action foodstuff unloading apparatus
Technical field
Highly effective and safe action foodstuff unloading apparatus of the present invention belongs to the technical field of material conveying, and in particular to a kind of unloading equipment.
Background technology
Need to use action foodstuff unloading apparatus in the unloading of the bulk cargos such as grain and transport process is carried out, traditional action foodstuff unloading apparatus is carrying out unloading During the defects of the following aspects be present:(1)The gap that grain can be between underbody and car door in course of conveying flows to ground It is lower to form residual, thoroughly it can not be conveyed and is cleaned;(2)Traditional action foodstuff unloading apparatus is rapid after at the beginning of unloading when car door opening Fall, easily cause grain splashing, and potential safety hazard be present;(3)Traditional action foodstuff unloading apparatus can produce largely during unloading Dust, very big harmful effect is caused to staff's health.
The content of the invention
The present invention overcomes the shortcomings of the prior art, and technical problem to be solved is:A kind of highly effective and safe is provided to unload Grain machine, the slow drop of transportation vehicle door is set in unloading, and multi-faceted protection is carried out to falling grain, improve the health and peace of work Quan Xing, it is scattered without surplus grain under transport vehicle.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is:Highly effective and safe action foodstuff unloading apparatus, including bottom are set There are crawler belt or at least four wheels and the internal slot type body for being provided with conveyer belt, being provided with least two car doors on body delays drop machine Structure, and the car door both sides of two car door slow descending mechanism difference respective transfer cars, body are provided tiltedly with close to the side of transport vehicle and led Flowing plate, the deflector lower end sealing are fixed on body side top, and the higher-end of the deflector presses close to the bottom of transport vehicle Face, the control panel of control car door slow descending mechanism is additionally provided with the body.
Described car door slow descending mechanism includes unloading door cylinder and mechanical gripper, and the cylinder body for unloading door cylinder is hinged on body On, the mechanical gripper is arranged on the piston rod end for unloading door cylinder by Universal joint ball, and the control panel is provided with control System unloads that door cylinder is flexible and the button of mechanical gripper folding, and mechanical gripper keeps a firm hand on the horizontal stroke set by transportation vehicle door top when unloading Beam.
Described car door slow descending mechanism includes reducing motor and drawing steel cable, and the reducing motor is fixedly mounted on transport vehicle Top, the wire spool of drawing steel cable is installed with the output shaft of reducing motor, pulls end and the transport vehicle car of steel cable Door is fixedly connected, and the control panel is provided with the button of control reducing motor rotating.
The higher-end of the deflector is provided with rubber peel, and the width of the rubber peel is 10-15cm.
The lower end of the deflector is hinged on body side top, and the side of body is provided with control deflector rotation Motor in place, the control panel are provided with the button for controlling motor positive and inverse in place.
Dust arrester installation is installed, the dust arrester installation includes dust gathering arrester, dust delivering tube, air-introduced machine and gathered dust on the body Bag, dust gathering arrester are fixedly mounted on above body or above the side away from transport vehicle and dust gathering arrester enclosing body, and dust gathering arrester passes through Dust delivering tube connects dust collecting sleeve, and air-introduced machine is provided with dust delivering tube.
The dust gathering arrester includes tarpaulin and two stands, described two stands are respectively and fixedly installed to body away from transport vehicle Two angles on, connected between two stands by tarpaulin, two stands are connected with corresponding body side by tarpaulin respectively.
Described two stand bottoms are hinged on body and its bottom is provided with device for positioning and securing.
Described two stand upper ends, which are respectively articulated with, is provided with a truss, is connected between two truss by tarpaulin, two Truss is connected with corresponding stand by tarpaulin respectively.
The present invention has the advantages that compared with prior art:
1st, the present invention sets car door slow descending mechanism on body, avoids car door hurriedly potential safety hazard caused by landing, and can Make it more convenient light when in use, car door slow descending mechanism can according to the relatively low steel wire of actual conditions alternative costs it is slow put or More accurately cylinder handgrip is slow puts structure;
2nd, the present invention sets deflector in body close to the side of transport vehicle, and deflector is against below transport vehicle during unloading, transports The Bulk Grain that workshop gap is leaked down can import internal body by deflector, ensure the neat and tidy of unloading with complete, deflector is higher The rubber peel at end can ensure that deflector and the close of transport vehicle are pressed close to not damage deflector;
3rd, the present invention installs dust arrester installation on body, and a healthy working environment, and dust arrester installation are provided for staff Covered for tarpaulin, can carry out storage arrangement by stand and truss on body, cost is relatively low and saves idle state and accounts for Ground space.
Brief description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings;
Fig. 1 is the structural representation for the highly effective and safe action foodstuff unloading apparatus that the embodiment of the present invention one provides;
Fig. 2 is the unloading view for the highly effective and safe action foodstuff unloading apparatus that the embodiment of the present invention one provides;
Fig. 3 is the structural representation for the highly effective and safe action foodstuff unloading apparatus that the embodiment of the present invention two provides;
Fig. 4 is the unloading view for the highly effective and safe action foodstuff unloading apparatus that the embodiment of the present invention two provides;
In figure:1 is body, and 2 be transport vehicle, and 3 be deflector, and 4 be control panel, and 5 is unload door cylinder, and 6 be mechanical gripper, and 7 are Reducing motor, 8 be drawing steel cable, and 9 be dust gathering arrester, and 10 be dust delivering tube, and 11 be air-introduced machine, and 12 be dust collecting sleeve, and 13 be tarpaulin, and 14 are Stand, 15 be truss.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is The part of the embodiment of the present invention, rather than whole embodiments;Based on the embodiment in the present invention, ordinary skill people The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is the structural representation for the highly effective and safe action foodstuff unloading apparatus that the embodiment of the present invention one provides, as shown in figure 1, efficiently peace Full action foodstuff unloading apparatus, including bottom are provided with crawler belt or at least four wheels and the internal slot type body 1 for being provided with conveyer belt, are set on body 1 At least two car door slow descending mechanisms are equipped with, and the car door both sides of two car door slow descending mechanism difference respective transfer cars 2, body 1 lean on The side of nearly transport vehicle 2 is provided tiltedly with deflector 3, and the lower end of deflector 3 sealing is fixed on the side top of body 1, described The higher-end of deflector 3 presses close to the bottom surface of transport vehicle 2, and the chain of command of control car door slow descending mechanism is additionally provided with the body 1 Plate 4.
Described car door slow descending mechanism includes unloading door cylinder 5 and mechanical gripper 6, and the cylinder body for unloading door cylinder 5 is hinged on On body 1, the mechanical gripper 6 is arranged on the piston rod end for unloading door cylinder 5, the control panel 4 by Universal joint ball It is provided with control and unloads that door cylinder 5 is flexible and the button of the folding of mechanical gripper 6, mechanical gripper 5 is kept a firm hand on the car door of transport vehicle 2 when unloading Crossbeam set by portion.
The higher-end of the deflector 3 is provided with rubber peel, and the width of the rubber peel is 10-15cm.
The lower end of the deflector 3 is hinged on the side top of body 1, and the side of body 1 is provided with control deflector 3 and revolved The motor in place turned, the control panel 4 are provided with the button for controlling motor positive and inverse in place.
Dust arrester installation is installed, the dust arrester installation includes dust gathering arrester 9, dust delivering tube 10, the and of air-introduced machine 11 on the body 1 Dust collecting sleeve 12, dust gathering arrester 9 are fixedly mounted on the top of body 1 or the side away from transport vehicle 2 and the top of 9 enclosing body of dust gathering arrester 1, Dust gathering arrester 9 connects dust collecting sleeve 12 by dust delivering tube 10, and air-introduced machine 11 is provided with dust delivering tube 10.
The dust gathering arrester 9 includes tarpaulin 13 and two stands 14, and it is remote that described two stands 14 are respectively and fixedly installed to body 1 From on two angles of transport vehicle 2, connected between two stands 14 by tarpaulin 13, two stands 14 respectively with corresponding body 1 Side is connected by tarpaulin 13.
Described two bottoms of stand 14 are hinged on body 1 and its bottom is provided with device for positioning and securing.
The course of work:
As shown in figure 1, body 1 is first opened to the rubber for the side of transport vehicle 2, then controlling motor rotating flow guidance plate 3 in place to make thereon Rubber is withstood below transport vehicle 2, finally controls the piston rod of door cylinder 5 that unloads of car door slow descending mechanism to stretch out and catch manipulator 6 The car door upper beam of transport vehicle 2, holds up two stands 14 and tarpaulin is pulled into state as shown in Figure 1, surround except transport vehicle Three sides in place face, stand 14 is fixed with device for positioning and securing, so far the working condition of highly effective and safe action foodstuff unloading apparatus is in place;
Fig. 2 is the unloading view for the highly effective and safe action foodstuff unloading apparatus that the embodiment of the present invention one provides, as shown in Fig. 2 opening fortune The door handle of defeated car 2 decontrols car door, and control unloads door cylinder 5 and slowly withdraws piston rod, while the grain in transport vehicle 2 falls into machine Inside body 1, until car door is tilted in the inside of body 1 and grain is flowed into along car door in body 1, car door and transport vehicle bottom surface it Between leave gap, fallen into from the Bulk Grain that gap is fallen along deflector 3 inside body 1, during unloading open air-introduced machine 11 will Inside dust suction dust collecting sleeve 12 in dust gathering arrester 9;
After the grain in transport vehicle 2 is entirely fallen in body 1, door cylinder 5 is unloaded in control slowly pushing piston-rod and closes car door Close, shut door handle, and withdraw dust arrester installation and car door slow descending mechanism, so far complete unloading work.
Embodiment two
Fig. 3 is the structural representation for the highly effective and safe action foodstuff unloading apparatus that the embodiment of the present invention two provides, as shown in figure 3, highly effective and safe unloads Grain machine, including bottom are provided with crawler belt or at least four wheels and the internal slot type body 1 for being provided with conveyer belt, are provided with body 1 At least two car door slow descending mechanisms, and the car door both sides of two car door slow descending mechanism difference respective transfer cars 2, body 1 is close to fortune The side of defeated car 2 is provided tiltedly with deflector 3, and the lower end of deflector 3 sealing is fixed on the side top of body 1, the water conservancy diversion The higher-end of plate 3 presses close to the bottom surface of transport vehicle 2, and the control panel 4 of control car door slow descending mechanism is additionally provided with the body 1.
Described car door slow descending mechanism includes reducing motor 7 and drawing steel cable 8, and the reducing motor 7 is fixedly mounted on fortune The top of defeated car 2, the wire spool of drawing steel cable 8 is installed with the output shaft of reducing motor 7, pull the end of steel cable 8 with The car door of transport vehicle 2 is fixedly connected, and the control panel 4 is provided with the button of the control rotating of reducing motor 7.
The higher-end of the deflector 3 is provided with rubber peel, and the width of the rubber peel is 10-15cm.
The lower end of the deflector 3 is hinged on the side top of body 1, and the side of body 1 is provided with control deflector 3 and revolved The motor in place turned, the control panel 4 are provided with the button for controlling motor positive and inverse in place.
Dust arrester installation is installed, the dust arrester installation includes dust gathering arrester 9, dust delivering tube 10, the and of air-introduced machine 11 on the body 1 Dust collecting sleeve 12, dust gathering arrester 9 are fixedly mounted on the top of body 1 or the side away from transport vehicle 2 and the top of 9 enclosing body of dust gathering arrester 1, Dust gathering arrester 9 connects dust collecting sleeve 12 by dust delivering tube 10, and air-introduced machine 11 is provided with dust delivering tube 10.
The dust gathering arrester 9 includes tarpaulin 13 and two stands 14, and it is remote that described two stands 14 are respectively and fixedly installed to body 1 From on two angles of transport vehicle 2, connected between two stands 14 by tarpaulin 13, two stands 14 respectively with corresponding body 1 Side is connected by tarpaulin 13.
Described two bottoms of stand 14 are hinged on body 1 and its bottom is provided with device for positioning and securing.
Described two upper ends of stand 14, which are respectively articulated with, is provided with a truss 15, is connected between two truss 15 by tarpaulin 13 Connect, two truss 15 are connected with corresponding stand 14 by tarpaulin 13 respectively.
The course of work:
The present embodiment and the course of work of embodiment one are essentially identical, and the present embodiment is as shown in figure 4, opening transport vehicle 2 After car door, it is to slow down to rotate forward by reducing motor 7 slowly to put down car door, so as to realize the slow drop function of car door, is finished in unloading Afterwards, slow down to invert by reducing motor 7 and slowly pull on car door, simple in construction and cost is relatively low;
As shown in figure 4, the present embodiment is in the upper end hinged truss 15 of stand 14, in unloading can also being gone along with sb. to guard him above body 1, Avoid dust from overflowing, realize comprehensive dust removal process.
Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that:Its according to The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme.

Claims (9)

1. highly effective and safe action foodstuff unloading apparatus, including bottom are provided with crawler belt or at least four wheels and the internal slot type body for being provided with conveyer belt (1), it is characterised in that:Body(1)On be provided with least two car door slow descending mechanisms, and two car door slow descending mechanisms correspond to respectively Transport vehicle(2)Car door both sides, body(1)Close to transport vehicle(2)Side be provided tiltedly with deflector(3), the deflector(3) Lower end sealing is fixed on body(1)Side top, the deflector(3)Higher-end press close to transport vehicle(2)Bottom surface, it is described Body(1)On be additionally provided with control car door slow descending mechanism control panel(4).
2. highly effective and safe action foodstuff unloading apparatus according to claim 1, it is characterised in that:Described car door slow descending mechanism includes unloading door Cylinder(5)And mechanical gripper(6), it is described to unload door cylinder(5)Cylinder body be hinged on body(1)On, the mechanical gripper(6)Pass through Universal joint ball is arranged on and unloads door cylinder(5)Piston rod end, the control panel(4)Door cylinder is unloaded provided with control(5) Flexible and mechanical gripper(6)The button of folding, mechanical gripper when unloading(5)Keep a firm hand on transport vehicle(2)Crossbeam set by car door top.
3. highly effective and safe action foodstuff unloading apparatus according to claim 1, it is characterised in that:Described car door slow descending mechanism includes slowing down Motor(7)With drawing steel cable(8), the reducing motor(7)It is fixedly mounted on transport vehicle(2)Top, reducing motor(7)It is defeated Drawing steel cable is installed with shaft(8)Wire spool, pull steel cable(8)End and transport vehicle(2)Car door is fixedly connected, The control panel(4)It is provided with control reducing motor(7)The button of rotating.
4. the highly effective and safe action foodstuff unloading apparatus according to Claims 2 or 3, it is characterised in that:The deflector(3)Higher-end set Rubber peel is equipped with, the width of the rubber peel is 10-15cm.
5. highly effective and safe action foodstuff unloading apparatus according to claim 4, it is characterised in that:The deflector(3)Lower end be hinged In body(1)Side top, body(1)Side control deflector is installed(3)The motor in place of rotation, the control panel (4)It is provided with the button for controlling motor positive and inverse in place.
6. the highly effective and safe action foodstuff unloading apparatus according to Claims 2 or 3, it is characterised in that:The body(1)On be provided with and gather dust Device, the dust arrester installation include dust gathering arrester(9), dust delivering tube(10), air-introduced machine(11)And dust collecting sleeve(12), dust gathering arrester(9)Gu Dingan County is mounted in body(1)Top or remote transport vehicle(2)Side and dust gathering arrester(9)Enclosing body(1)Top, dust gathering arrester(9) Pass through dust delivering tube(10)Connect dust collecting sleeve(12), and dust delivering tube(10)On air-introduced machine is installed(11).
7. highly effective and safe action foodstuff unloading apparatus according to claim 6, it is characterised in that:The dust gathering arrester(9)Including tarpaulin(13) With two stands(14), described two stands(14)It is respectively and fixedly installed to body(1)Away from transport vehicle(2)Two angles on, Two stands(14)Between pass through tarpaulin(13)Connection, two stands(14)Respectively with corresponding body(1)Side passes through tarpaulin (13)Connection.
8. highly effective and safe action foodstuff unloading apparatus according to claim 7, it is characterised in that:Described two stands(14)Bottom is hinged on Body(1)Upper and its bottom is provided with device for positioning and securing.
9. highly effective and safe action foodstuff unloading apparatus according to claim 8, it is characterised in that:Described two stands(14)Cut with scissors respectively upper end Connect and a truss is installed(15), two truss(15)Between pass through tarpaulin(13)Connection, two truss(15)Respectively with it is corresponding Stand(14)Pass through tarpaulin(13)Connection.
CN201710654748.7A 2017-08-03 2017-08-03 Highly effective and safe action foodstuff unloading apparatus Pending CN107381106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710654748.7A CN107381106A (en) 2017-08-03 2017-08-03 Highly effective and safe action foodstuff unloading apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710654748.7A CN107381106A (en) 2017-08-03 2017-08-03 Highly effective and safe action foodstuff unloading apparatus

Publications (1)

Publication Number Publication Date
CN107381106A true CN107381106A (en) 2017-11-24

Family

ID=60344083

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710654748.7A Pending CN107381106A (en) 2017-08-03 2017-08-03 Highly effective and safe action foodstuff unloading apparatus

Country Status (1)

Country Link
CN (1) CN107381106A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111661685A (en) * 2020-07-09 2020-09-15 曾林香 Automobile-used platform of unloading of processing factory material transportation intelligence delivery
CN112010061A (en) * 2020-08-27 2020-12-01 陈冲 Large truck unloads grain auxiliary device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111661685A (en) * 2020-07-09 2020-09-15 曾林香 Automobile-used platform of unloading of processing factory material transportation intelligence delivery
CN111661685B (en) * 2020-07-09 2022-03-25 峡江县飞福科技有限公司 Automobile-used platform of unloading of processing factory material transportation intelligence delivery
CN112010061A (en) * 2020-08-27 2020-12-01 陈冲 Large truck unloads grain auxiliary device

Similar Documents

Publication Publication Date Title
CN205966582U (en) Clear car machine of open car
CN106311695B (en) A kind of high school chemical experiment container washing apparatus
CN107697663A (en) A kind of Intelligent logistics delivery system
CN207792167U (en) A kind of traveling shiploader
CN107381106A (en) Highly effective and safe action foodstuff unloading apparatus
CN107738893A (en) A kind of belt line automatic cleaning apparatus
CN207121246U (en) A kind of highly effective and safe action foodstuff unloading apparatus
CN211168635U (en) Mine electromechanical device's conveyer
CN106183941A (en) A kind of painting workshop cleaning car
CN205187384U (en) Side formula section scraper blade reclaimer
CN206955257U (en) Bulk grain ship unloaders
CN206351726U (en) A kind of gripping-type unpowered vehicle conveying device
CN206767166U (en) A kind of double vertical spin car unloaders
CN111791836B (en) Intelligent vehicle bottom cleaning device of car dumper and cleaning method thereof
CN208135360U (en) Material automatic recycling device
CN207062875U (en) Loading machine vehicle-mounted snow removing
CN207887400U (en) A kind of conveyer belt antifreezing fluid spraying device
CN206265755U (en) Roadway construction concrete material discharging, feeding system
CN109823873A (en) A kind of bulk goods flat-top device
CN207641757U (en) A kind of steel pipe plastic-blasting device
CN108177676A (en) A kind of hand propelled transport vehicle
CN205661352U (en) Towed grain transfer car(buggy)
CN208413088U (en) A kind of assembly line product safety protective device
CN204871040U (en) Railway grain car loading flap ground opening device
CN204522085U (en) Novel firefighting water-band rolling head

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
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20171124

WD01 Invention patent application deemed withdrawn after publication