CN109853350A - A kind of pavement patching device for municipal works - Google Patents

A kind of pavement patching device for municipal works Download PDF

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Publication number
CN109853350A
CN109853350A CN201910261060.1A CN201910261060A CN109853350A CN 109853350 A CN109853350 A CN 109853350A CN 201910261060 A CN201910261060 A CN 201910261060A CN 109853350 A CN109853350 A CN 109853350A
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CN
China
Prior art keywords
component
valve
plate
chisel
barrel
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
CN201910261060.1A
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Chinese (zh)
Inventor
李军
青志刚
陈博文
张铎
农明科
李胜
黄剑
唐松竹
李耐善
刘昌让
曾觉标
李文帅
周国亮
何明军
磨立武
梁传梅
卢春莎
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.)
GUANGXI CHANGCHANG ROAD & BRIDGE CONSTRUCTION Co Ltd
Original Assignee
GUANGXI CHANGCHANG ROAD & BRIDGE CONSTRUCTION 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 GUANGXI CHANGCHANG ROAD & BRIDGE CONSTRUCTION Co Ltd filed Critical GUANGXI CHANGCHANG ROAD & BRIDGE CONSTRUCTION Co Ltd
Priority to CN201910261060.1A priority Critical patent/CN109853350A/en
Publication of CN109853350A publication Critical patent/CN109853350A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of pavement patching device for municipal works, including operating component, handle, component, material storing box, mobile briquetting and chisel material component are tentatively cleaned except waste material component, finely;The bottom of operating component is disposed with chisel material component from front to back, tentatively cleans component and mobile briquetting except waste material component, finely;Material storing box is provided with above operating component;Material storing box bottom is provided with discharge nozzle;Chisel material component includes chisel hammer;Chisel hammer drives the part of its road pavement recess and boring to be handled by chisel material driving assembly.Pavement patching device of the invention, it can be crack failure to surface, but internal hollow road surface knocks out repairing again, material is filled up in pit slot, it is compressed it after the completion of material is filled up by mobile briquetting, the cold snap as winter is heated by heating and thermal insulation component, improves the mobility of material.

Description

A kind of pavement patching device for municipal works
Technical field
The present invention relates to municipal works technical fields, and in particular to a kind of pavement patching device for municipal works.
Background technique
Asphalt pavement pit is road surface aggregate local shedding and the hollow that generates under driving effect.Asphalt pavement pit There is the process of a formation, opens just part cracking loosely, gradually formed under the effect of natural environment such as traffic load and rainwater Pit slot needs town road department to repair, and avoids influencing vehicle operation.
Summary of the invention
The purpose of the present invention is to provide a kind of pavement patching device for municipal works, highly effectives.
In order to solve the above technical problem, the present invention provides following technical solutions: a kind of road surface for municipal works is repaired It mends device, including operating component, handle, tentatively cleans component, material storing box, mobile briquetting and chisel material group except waste material component, finely Part;
Handle is provided with above the operating component;The bottom of the operating component is disposed with from front to back Chisel material component tentatively cleans component and mobile briquetting except waste material component, finely;Storing is provided with above the operating component Case;The material for repairing road surface is provided in the material storing box;The bottom of the material storing box is provided with discharge nozzle, described Discharge nozzle lower end pass through operating component movable base plate;Blanking switch valve is provided on the discharge nozzle;The storage It is provided with feed inlet at the top of hopper, is provided with sealing cover on the feed inlet;
The chisel material component includes chisel hammer;The chisel hammer drives its road pavement recess and inside by chisel material driving assembly Hollow part is handled;
Preliminary waste material component and the fine cleaning component of removing removes waste material extra in pit slot;
The mobile briquetting includes hammer under plate, damping spring, connecting plate and compression cylinder;The compression cylinder Cylinder body be fixed on operating component;The piston rod of the compression cylinder is connect with connecting plate;The connecting plate is by subtracting Shake spring is connect with hammer under plate.
Further, the operating component includes movable base plate, the universal wheel for being set to movable base plate bottom;Described Side at the top of movable base plate is provided with vertical plate;Mounting knob on the vertical plate.
Further, heating and thermal insulation component is additionally provided on the material storing box, the heating and thermal insulation component is setting Heating plate in material storing box bottom;The heating plate avoids the discharge nozzle setting of material storing box;It is provided on the discharge nozzle For detecting the temperature sensor of drop temperature;The temperature sensor is opened by the heating that control system controls heating plate It closes.
Further, chisel hammer is made of locating cone and pressure hammer, and the locating cone includes cone and positioning sleeve Cylinder composition;The cone is set in the abutment sleeve and can move up and down in the abutment sleeve;Institute The abutment sleeve stated is connect by telescope support with the operating component;The pressure hammer is set to the surface of cone, And by driving electric cylinders to connect with the operating component.
Further, the telescope support includes upper bracket, lower bracket, rack gear, gear and telescopic drive motor; The abutment sleeve is set to the bottom of the lower bracket;It is provided in the upper bracket and accommodates lower bracket The side of groove, the lower bracket towards groove is provided with rack gear;It is provided in the groove of the upper bracket and tooth The matched gear of item, the gear are driven by the telescopic drive motor in upper bracket.
Further, it is described it is preliminary except waste material component include rotate roll body, be set on rotation roll body multiple pick up material Shovel and the delivery chute for catching whereabouts waste material;The delivery chute is set to the side of rotation roll body.
Further, the fine cleaning component is rotary electric electric brush sweeper.
Further, the blanking switch valve includes left valve barrel, opposite with the left valve barrel to be equipped with right valve barrel, described Left valve barrel and the right valve barrel between clamp and be fixed with valve plate mounting device, the valve plate mounting device is equipped with connection The fixation recirculation hole of the left valve barrel and the right valve barrel, the valve plate in the left valve barrel and the right valve barrel Sealing is covered with moving valve plate on mounting device, through the movable valve plate and opposite with the fixation recirculation hole is equipped with work Dynamic recirculation hole, is rotatably equipped with valve shaft through the movable valve plate and the right valve barrel, in the right valve barrel Valve shaft on be set with compression spring, the valve shaft end on the outside of the right valve barrel is fixedly installed with operation handle, The operation handle is fixed on the end of the valve shaft by fastening bolt, and the side of the right valve barrel is fixed with Handle postive stop baffle is equipped with discharge hole positioned at the bottom of the right valve barrel.
Further, the left valve barrel and the right valve barrel are respectively set to cylindrical barrel structure, described The end of right valve barrel is fixedly installed with end cover, and the valve shaft is arranged through the end cover, the handle Postive stop baffle is fixed on the end cover.
Further, the valve plate mounting device includes the valve plate mounting base with tongue-and-groove, and the tongue-and-groove is described in Right valve barrel setting, the center of the valve plate mounting base is equipped with the axis supported hole for accommodating the valve plate shaft end head, described Right valve barrel periphery fixing sleeve is equipped with valve plate baffle.
The beneficial effects obtained by the present invention are as follows being:
Pavement patching device of the invention can be crack failure to surface, but internal hollow road surface is again Repairing is knocked out, the bulky grain stone fallen is by tentatively except waste material component is removed, then filling up material, material having been filled up It is compressed it at rear by mobile briquetting, the cold snap as winter, material is cooled, and mobility is deteriorated, discharging It slows, can be heated at this time by heating and thermal insulation component, improve the mobility of material.
When the present invention needs to fill up material, rotary valve board shaft, under the drive of valve shaft, movable valve plate is rotated synchronously, and is made Movable recirculation hole and fixed recirculation hole alignment, realize the unlatching of baiting valve, material are facilitated to flow out, using finishing, by valve shaft Reset is rotated backward, two holes is made to interlock, fixed recirculation hole is blocked using the plate face of movable valve plate, prevents the outer of material Stream realizes the shutdown of baiting valve, and production is simple, easy to use, can limit at any time the outflow of material, blocking is avoided to manage The defect in road.
Detailed description of the invention
It, below will be to needed in the embodiment in order to more clearly illustrate the technical solution in the embodiment of the present invention Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments recorded in the present invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the preliminary structural schematic diagram for removing waste material component.
Fig. 3 is the structural schematic diagram of telescope support.
Fig. 4 is structural schematic diagram when blanking switch valve is opened.
Fig. 5 is structural schematic diagram when blanking switch valve is closed.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description.
As shown in Figs. 1-5, be a kind of pavement patching device for municipal works of the invention, including operating component, Hand 2 tentatively cleans component 4, material storing box 5, mobile briquetting 6 and chisel material component 7 except waste material component 3, finely;
Handle 2 is provided with above the operating component;The bottom of the operating component is set gradually from front to back There is chisel material component 7, tentatively clean component 4 and mobile briquetting 6 except waste material component 3, finely;The top of the operating component is arranged There is material storing box 5;The material for repairing road surface is provided in the material storing box 5;The bottom of the material storing box 5 is provided with out Expects pipe 51, the lower end of the discharge nozzle 51 pass through the movable base plate 11 of operating component;It is provided with down on the discharge nozzle 51 Expect switch valve 52;The top of the material storing box 5 is provided with feed inlet 53, is provided with sealing cover 54 on the feed inlet 53;
The chisel material component 7 includes chisel hammer;The described chisel hammer drives its road pavement to be recessed and interior by chisel material driving assembly The hollow part in portion is handled;
Preliminary waste material component 3 and the fine cleaning component 4 of removing removes waste material extra in pit slot;
The mobile briquetting 6 includes hammer 61, damping spring 62, connecting plate 63 and compression cylinder 64 under plate;It is described The cylinder body of compression cylinder 64 be fixed on operating component;The piston rod of the compression cylinder 64 is connect with connecting plate 63;Institute The connecting plate 63 stated is connect by damping spring 62 with hammer 61 under plate.
Operating component of the invention includes movable base plate 11, the universal wheel 12 for being set to 11 bottom of movable base plate;Described The side at 11 top of movable base plate is provided with vertical plate 13;Mounting knob 2 on the vertical plate 13.
Heating and thermal insulation component is additionally provided on material storing box 5, the heating and thermal insulation component is that material storing box bottom is arranged in Heating plate 81;The discharge nozzle 51 that the heating plate 81 avoids material storing box 5 is arranged;It is provided on the discharge nozzle 51 for examining Survey the temperature sensor 82 of drop temperature;The temperature sensor 82 is opened by the heating that control system controls heating plate 81 It closes.
Chisel hammer of the invention is made of locating cone and pressure hammer 71, and the locating cone includes cone 72 and abutment sleeve 73 Composition;The cone 72 be set in the abutment sleeve 73 and can in the abutment sleeve 73 on move down It is dynamic;The abutment sleeve 73 is connect by telescope support 74 with the operating component;The pressure hammer 71 is set to cone The surface of body 72, and by driving electric cylinders 75 to connect with the operating component.
Telescope support 74 of the invention includes upper bracket 741, lower bracket 742, rack gear 743, gear 744 and flexible drive Dynamic motor 745;The abutment sleeve 73 is set to the bottom of the lower bracket 742;It is set in the upper bracket 741 It is equipped with the groove for accommodating lower bracket 742, the side of lower bracket 742 towards the groove is provided with rack gear 743;Described Be provided in the groove of upper bracket 741 with the matched gear 744 of rack gear, the gear 744 is by stretching in upper bracket 714 Contracting driving motor 745 drives.
It is of the invention it is preliminary except waste material component 3 include rotation roll body 31, be set on rotation roll body 31 multiple pick up shovel 32 and the delivery chute 33 for catching whereabouts waste material;The delivery chute 33 is set to the side of rotation roll body 31.
Fine cleaning component 4 of the invention is rotary electric electric brush sweeper.
Blanking switch valve 52 of the invention includes left valve barrel 5201, opposite with the left valve barrel 5201 to be equipped with right valve barrel 5202, the left valve barrel 5201 and the right valve barrel 5202 are respectively set to cylindrical barrel structure, the left valve barrel 5201 recirculation holes are identical as the diameter of 5202 recirculation hole of right valve barrel, reduce material and flow generation flow-disturbing in blanking switch valve, from And the probability that bubble is generated in material is reduced, it is clamped between the left valve barrel 5201 and the right valve barrel 5202 and is fixed with valve Board mounting assembly, the valve plate mounting device include the valve plate mounting base 5211 with tongue-and-groove, and the tongue-and-groove is towards described Right valve barrel 5202 is arranged, and the center of the valve plate mounting base 5211 is equipped with the axis support for accommodating 5206 end of valve shaft Hole 5212, the 5202 periphery fixing sleeve of right valve barrel are equipped with valve plate baffle 5213.The valve plate mounting device, which is equipped with, to be connected Lead to the fixation recirculation hole 5203 of the left valve barrel 5201 and the right valve barrel 5202, specifically, the fixation recirculation hole 5203 be set to the valve plate mounting base 5211 on, in the left valve barrel 5201 and the right valve barrel 5202 described in Valve plate mounting device on sealing be covered with moving valve plate 5204, the movable valve plate 5204 is set in the tongue-and-groove, and The movable valve plate 5204 is limited by the valve plate baffle 5213, through the movable valve plate 5204 and with The fixation recirculation hole 5203 is opposite to be equipped with movable recirculation hole 5205.Through the movable valve plate 5204 and the right valve Body 5202 is rotatably equipped with valve shaft 5206, is set with compression spring on the valve shaft 5206 in the right valve barrel 5202 5207, the side of the movable valve plate 4 is installed with the valve plate The side of seat 5211 forms sealing surface.5206 end of valve shaft positioned at 5202 outside of right valve barrel is fixedly installed with operation The side of handle 5208, the right valve barrel 5202 is fixed with handle postive stop baffle 5210, positioned at the bottom of the right valve barrel 2 Portion is equipped with discharge hole 5209.End cover 5215, the valve shaft are fixedly installed in the end of the right valve barrel 5202 5206 are arranged through the end cover 5215, and the handle postive stop baffle 5210 is fixed on the end cover 5215 On.The operation handle 5208 is fixed on the end of the valve shaft 5206 by fastening bolt 5214, and installation is simple, square Just, securely.
Pavement patching device of the invention can be crack failure to surface, but internal hollow road surface is again Repairing is knocked out, the bulky grain stone fallen is by tentatively except waste material component is removed, then filling up material, material having been filled up It is compressed it at rear by mobile briquetting, the cold snap as winter, material is cooled, and mobility is deteriorated, discharging It slows, can be heated at this time by heating and thermal insulation component, improve the mobility of material.
When the present invention needs to fill up material, rotary valve board shaft, under the drive of valve shaft, movable valve plate is rotated synchronously, and is made Movable recirculation hole and fixed recirculation hole alignment, realize the unlatching of baiting valve, material are facilitated to flow out, using finishing, by valve shaft Reset is rotated backward, two holes is made to interlock, fixed recirculation hole is blocked using the plate face of movable valve plate, prevents the outer of material Stream realizes the shutdown of baiting valve, and production is simple, easy to use, can limit at any time the outflow of material, blocking is avoided to manage The defect in road.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to design of the invention It is defined with range, without departing from the design concept of the invention, ordinary engineering and technical personnel is to this hair in this field The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, claimed skill of the invention Art content is all documented in technical requirements book.

Claims (10)

1. a kind of pavement patching device for municipal works, it is characterised in that: give up including operating component, handle (2), preliminary remove Expect component (3), finely clean component (4), material storing box (5), mobile briquetting (6) and chisel material component (7);
Handle (2) are provided with above the operating component;The bottom of the operating component is disposed with from front to back Material component (7) is dug, waste material component (3) is tentatively removed, finely cleans component (4) and movement briquetting (6);The operating component it is upper Side is provided with material storing box (5);The material for repairing road surface is provided in the material storing box (5);The material storing box (5) Bottom is provided with discharge nozzle (51), and the lower end of the discharge nozzle (51) passes through the movable base plate (11) of operating component;Described Blanking switch valve (52) are provided on discharge nozzle (51);It is provided with feed inlet (53) at the top of the material storing box (5), it is described Sealing cover (54) are provided on feed inlet (53);
The chisel material component (7) includes chisel hammer;The chisel hammer drives its road pavement recess and inside by chisel material driving assembly Hollow part is handled;
Described tentatively removes waste material extra in pit slot except waste material component (3) and the fine cleaning component (4);
The mobile briquetting (6) includes hammer under plate (61), damping spring (62), connecting plate (63) and compression cylinder (64);The cylinder body of the compression cylinder (64) is fixed on operating component;The piston rod of the compression cylinder (64) and company Fishplate bar (63) connection;The connecting plate (63) is connect by damping spring (62) with hammer under plate (61).
2. a kind of pavement patching device for municipal works according to claim 1, it is characterised in that: the operation Component includes movable base plate (11), the universal wheel (12) for being set to movable base plate (11) bottom;Movable base plate (11) top The side in portion is provided with vertical plate (13);Mounting knob (2) on the vertical plate (13).
3. a kind of pavement patching device for municipal works according to claim 1, it is characterised in that: the storing Heating and thermal insulation component is additionally provided on case (5), the heating and thermal insulation component is the heating plate (81) that material storing box bottom is arranged in; The heating plate (81) avoids discharge nozzle (51) setting of material storing box (5);It is provided on the discharge nozzle (51) for examining Survey the temperature sensor (82) of drop temperature;The temperature sensor (82) is added by control system control heating plate (81) Thermal switch.
4. a kind of pavement patching device for municipal works according to claim 1, it is characterised in that: the chisel hammer It is made of locating cone and pressure hammer (71), the locating cone includes cone (72) and abutment sleeve (73) composition;The cone Body (72) is set in the abutment sleeve (73) and can move up and down in the abutment sleeve (73);Described Abutment sleeve (73) is connect by telescope support (74) with the operating component;The pressure hammer (71) is set to cone (72) surface, and by driving electric cylinders (75) to connect with the operating component.
5. a kind of pavement patching device for municipal works according to claim 4, it is characterised in that: described is flexible Bracket (74) includes upper bracket (741), lower bracket (742), rack gear (743), gear (744) and telescopic drive motor (745);The abutment sleeve (73) is set to the bottom of the lower bracket (742);In the upper bracket (741) It is provided with the groove for accommodating lower bracket (742), the side of the lower bracket (742) towards groove is provided with rack gear (743);It is provided in the groove of the upper bracket (741) and the matched gear of rack gear (744), the gear (744) By telescopic drive motor (745) driving on upper bracket (714).
6. a kind of pavement patching device for municipal works according to claim 1, it is characterised in that: described is preliminary Include rotation roll body (31) except waste material component (3), be set in rotation roll body (31) and multiple pick up shovel (32) and for connecing It stays and falls the delivery chute (33) of waste material;The delivery chute (33) is set to the side of rotation roll body (31).
7. a kind of the inside repair apparatus for municipal works according to claim 1, it is characterised in that: described is fine Cleaning component (4) is rotary electric electric brush sweeper.
8. a kind of the inside repair apparatus for municipal works according to claim 1, it is characterised in that: the blanking Switch valve (52) includes left valve barrel (5201), opposite with the left valve barrel (5201) to be equipped with right valve barrel (5202), the left side It is clamped between valve body (5201) and the right valve barrel (5202) and is fixed with valve plate mounting device, on the valve plate mounting device Fixation recirculation hole (5203) equipped with the connection left valve barrel (5201) and the right valve barrel (5202), positioned at the left side Sealing is covered with moving valve plate (5204) on valve plate mounting device in valve body (5201) and the right valve barrel (5202), runs through The movable valve plate (5204) and it is opposite with the fixation recirculation hole (5203) be equipped with movable recirculation hole (5205), run through institute The movable valve plate (5204) and the right valve barrel (5202) stated are rotatably equipped with valve shaft (5206), positioned at the right valve barrel (5202) compression spring (5207) are set on the valve shaft (5206) in, the valve plate on the outside of the right valve barrel (5202) Axis (5206) end is fixedly installed with operation handle (5208), and the operation handle (5208) is solid by fastening bolt (5214) It is scheduled on the end of the valve shaft (5206), the side of the right valve barrel (5202) is fixed with handle postive stop baffle (5210), discharge hole (5209) are equipped with positioned at the bottom of the right valve barrel (5202).
9. a kind of the inside repair apparatus for municipal works according to claim 8, it is characterised in that: the left valve Body (5201) and the right valve barrel (5202) are respectively set to cylindrical barrel structure, at the end of the right valve barrel (5202) Portion is fixedly installed with end cover (5215), and the valve shaft (5206) is arranged through the end cover (5215), institute The handle postive stop baffle (5210) stated is fixed on the end cover (5215).
10. a kind of the inside repair apparatus for municipal works according to claim 8, it is characterised in that: the valve Board mounting assembly includes the valve plate mounting base (5211) with tongue-and-groove, and the tongue-and-groove is arranged towards the right valve barrel (5202), The center of the valve plate mounting base (5211) is equipped with the axis supported hole (5212) for accommodating described valve shaft (5206) end, institute Right valve barrel (5202) the periphery fixing sleeve stated is equipped with valve plate baffle (5213).
CN201910261060.1A 2019-04-02 2019-04-02 A kind of pavement patching device for municipal works Pending CN109853350A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910261060.1A CN109853350A (en) 2019-04-02 2019-04-02 A kind of pavement patching device for municipal works

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Application Number Priority Date Filing Date Title
CN201910261060.1A CN109853350A (en) 2019-04-02 2019-04-02 A kind of pavement patching device for municipal works

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CN109853350A true CN109853350A (en) 2019-06-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110846993A (en) * 2019-11-21 2020-02-28 迟美丽 Road maintenance device
CN113737623A (en) * 2021-09-02 2021-12-03 龙奕宇 Road surface prosthetic devices for highway engineering
CN114000398A (en) * 2021-11-13 2022-02-01 武汉市市政路桥有限公司 Light asphalt pavement road repairing device and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08134832A (en) * 1994-11-10 1996-05-28 Furukawa Co Ltd Excavator
CN108741146A (en) * 2018-06-08 2018-11-06 塔里木大学 Jujube deep processing, sewage disposal and jujube core recycle set composite
CN109281244A (en) * 2018-11-06 2019-01-29 史振荣 A kind of highway engineering construction pavement patching device
CN109338862A (en) * 2018-09-27 2019-02-15 重庆交通大学 A kind of repair apparatus and its method for repairing and mending for crack on road
CN208517798U (en) * 2018-05-04 2019-02-19 任乃魁 A kind of equipment of highway pavement repairing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08134832A (en) * 1994-11-10 1996-05-28 Furukawa Co Ltd Excavator
CN208517798U (en) * 2018-05-04 2019-02-19 任乃魁 A kind of equipment of highway pavement repairing
CN108741146A (en) * 2018-06-08 2018-11-06 塔里木大学 Jujube deep processing, sewage disposal and jujube core recycle set composite
CN109338862A (en) * 2018-09-27 2019-02-15 重庆交通大学 A kind of repair apparatus and its method for repairing and mending for crack on road
CN109281244A (en) * 2018-11-06 2019-01-29 史振荣 A kind of highway engineering construction pavement patching device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110846993A (en) * 2019-11-21 2020-02-28 迟美丽 Road maintenance device
CN113737623A (en) * 2021-09-02 2021-12-03 龙奕宇 Road surface prosthetic devices for highway engineering
CN114000398A (en) * 2021-11-13 2022-02-01 武汉市市政路桥有限公司 Light asphalt pavement road repairing device and method

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Application publication date: 20190607