CN110153981A - A kind of building structure lineation device and scribble method - Google Patents
A kind of building structure lineation device and scribble method Download PDFInfo
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- CN110153981A CN110153981A CN201910581881.3A CN201910581881A CN110153981A CN 110153981 A CN110153981 A CN 110153981A CN 201910581881 A CN201910581881 A CN 201910581881A CN 110153981 A CN110153981 A CN 110153981A
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- vertical pivot
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- building structure
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 claims abstract description 17
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
Abstract
The present invention relates to a kind of building structure lineation device and scribble methods, lineation device includes vertical pivot bar, the upper and lower side of the vertical pivot bar is removably connected with Measure Board respectively, the Measure Board is vertical with vertical pivot bar, it is provided along its length sliding slot on the Measure Board and is carved with the groove of display length information, it is equipped with mark pen in the sliding slot, the mark pen can be slided along the chute and be can be fixed in sliding slot to cross after adjustable range size；The underlining end of mark pen on two Measure Boards is oppositely arranged will pass through the present apparatus in the synchronous progress underlining operation of upper and lower surface of building structure.Progress underlining synchronous in the upper and lower surfaces of building structure layer may be implemented in the present invention, to improve construction efficiency；Derivative more beneficial effects can be brought with many applications, correspondence is applied also in practical application, realize the inaccessiable functional effect of existing construction.
Description
Technical field
The invention belongs to the technical fields of attachment used in building, and in particular to a kind of building structure lineation device and
Scribble method.
Background technique
In building construction process, it is sometimes desirable to while scribing line mark is carried out in the upper and lower surfaces of building structure layer
Note, in order to the progress of construction, also rarely seen similar dedicated unit in the prior art, causing can only be with more complicated construction work
Sequence, or time-consuming construction method substitute its effect and reach final construction effect.Demolition Construction process of the applicant in bridge
In encounter similar problems, after the upper surface of bridge has delineated cutting path line, during cutting, coolant liquid is by cutting
It is seeped under slot, the collection without coolant liquid will then pollute environment, and influence the safety of people's vehicle on road and road under bridge.
But process is measured and after the lower surface of bridge is provided with corresponding water receiving groove by conventional, time-consuming, and appearance position
The problem that confirmation is inaccurate and causes coolant liquid collecting effect bad, causes to do over again, very troublesome, the process of measuring needs to set up foot
Hand cradle, it is corresponding just to need to limit lower section road traffic, or increase and needed in entire work progress to lower section road
The time limit for carrying out traffic limitation makes a big impact to public's trip.Applicant is in view of the above-mentioned problems, design has tried out one
The synchronous lineation device of kind can preferably be solved the above problems by effectively using.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of building structure lineation device and scribble methods, obtain and conveniently exist
The synchronous effect for carrying out underlining of the upper and lower surfaces of building structure layer, can be improved construction efficiency.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
The upper and lower side of a kind of building structure lineation device, including vertical pivot bar, the vertical pivot bar is removably connected with Measure Board respectively,
The Measure Board is vertical with vertical pivot bar, and sliding slot is provided along its length on the Measure Board and is carved with the quarter of display length information
Line, the sliding slot is interior to be equipped with mark pen, and the mark pen can be slided along the chute and be can be fixed in sliding slot so as to adjustable range
It crosses after size；The underlining end of mark pen on two Measure Boards is oppositely arranged will pass through the present apparatus in building and tie
The upper and lower surface of structure is synchronous to carry out underlining operation.
Above-mentioned technical proposal is further improved, the upper and lower side of the vertical pivot bar is machined with external thread section, the scale respectively
One end of plate offers vertical through holes and is covered on the external thread section of vertical pivot bar by the vertical through holes, on the external thread section
It is spirally connected there are two nut and two nuts is located at the upper and lower for covering the Measure Board on the external thread section will pass through to top
Mode Measure Board is fixed.
Further, for the sliding slot in vertically opening up, the rod segment for marking pen is corresponding with the inner width of sliding slot and is machined with outer spiral shell
Line, the rod segment for marking pen pass through sliding slot, be spirally connected in rod segment there are two nut and two nuts be located at the upper and lower of sliding slot with
It will pass through and the mode on top is fixed on pen is marked in sliding slot.
Selectively, the upper and lower side of the vertical pivot bar is machined with system respectively and turns to orient section, and the system turns a section for orientation section
For regular polygon, one end of the Measure Board offers vertical through holes and covered by the vertical through holes to be turned in orientation section in system,
The vertical through holes are that regular polygon hole corresponding with turn orientation cross sectional shape of section is made turns to orient to play the role of system, make and turn
Orientation section outer end, which also extends, is equipped with the first co-axial external thread section, and the major diameter of the first external thread section is less than system turn orientation section and cuts
Face inscribe diameter of a circle is bolted on the first external thread section so as not to influence being inserted in for Measure Board for Measure Board to be fixed
The first nut.
Further, external screw thread is also machined in the vertical pivot rod segment of the inner end of system turn orientation section and be formed as the second external screw thread
Section；The second nut is bolted on second external thread section, system turns the orientation external diameter of a circle in section section less than the second external thread section
For path so as not to influence being inserted in for the second nut, second nut overcoat has the outer end of the sleeve extended towards outer end and sleeve
Face and Measure Board are abutted against will pass through one movable bearing surface of mobile offer of the second nut.
Further, the vertical pivot bar is the telescopic rod of plug-in type so that its length is adjustable to improve applicability.
The invention further relates to a kind of building structure scribble method, this method based on above-mentioned building structure lineation device and into
Row, includes the following steps:
1) vertical through-hole is drilled out by design point on horizontal building structure layer；
2) two Measure Boards dismantled on vertical pivot bar；
3) one end of vertical pivot bar is connected by rope, the other end of vertical pivot bar naturally droops so that vertical pivot bar is in vertical；
4) vertical pivot bar is passed through from the through-hole and is transferred to the position convenient for lower section personnel construction；
5) Measure Board for connecting vertical pivot bar lower end adjusts the position of the mark pen on the Measure Board and fixation；
6) vertical pivot bar is promoted by rope and the upper end of vertical pivot bar is made to be pierced by the through-hole；
7) Measure Board for connecting vertical pivot bar upper end adjusts the position of the mark pen on the Measure Board and fixation；
8) rotating vertical shaft carries out the scribing line of building structure layer upper and lower surfaces.
Compared with prior art, the invention has the following beneficial effects:
1, progress underlining synchronous in the upper and lower surfaces of building structure layer may be implemented in the present invention, to improve construction
Efficiency.
2, the present invention applies also for many applications in practical application, and correspondence can be brought derivative more beneficial to work
With the existing inaccessiable functional effect of construction of realization.
Detailed description of the invention
A kind of structural schematic diagram of building structure lineation device of Fig. 1-specific embodiment；
The depression angle of Fig. 2-Fig. 1；
The portion A partial enlarged view in Fig. 3-Fig. 1, the connection structure of vertical pivot bar and Measure Board in illustrated embodiment one；
The portion B partial enlarged view in Fig. 4-Fig. 1；
The portion A partial enlarged view in Fig. 5-Fig. 1, the connection structure of vertical pivot bar and Measure Board in illustrated embodiment two；
The portion A partial enlarged view in Fig. 6-Fig. 1, a kind of variable connection structure of vertical pivot bar and Measure Board in illustrated embodiment two；
The portion A partial enlarged view in Fig. 7-Fig. 1, the connection structure of vertical pivot bar and Measure Board in illustrated embodiment three；
A kind of building structure lineation device of Fig. 8-specific embodiment uses schematic diagram；
Wherein, vertical pivot bar 1, external thread section 11, system turn orientation section 12, the first external thread section 13, the second external thread section 14, Measure Board
2, sliding slot 21, groove 22 marks pen 23, rod segment 231, vertical through holes 24, the first nut 4, the second nut 5, sleeve 6.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Embodiment one
Referring to Fig. 1-4, a kind of building structure lineation device of specific embodiment one, including vertical pivot bar 1, the vertical pivot bar 1 it is upper
Lower end is removably connected with Measure Board 2 respectively, and the Measure Board 2 is vertical with vertical pivot bar 1, square along its length on the Measure Board 2
Numerical value can also be mixed to the groove 22(for being equipped with sliding slot 21 and be carved with display length information so as to more intuitive), the sliding slot 21
Interior to be equipped with mark pen 23, the mark pen 23 21 can be slided and be can be fixed in sliding slot 21 so as to adjustable range size along the chute
It crosses later；The underlining end of mark pen 23 on two Measure Boards 2 is oppositely arranged will pass through the present apparatus in building and tie
The upper and lower surface of structure carries out underlining operation simultaneously.
Wherein, the upper and lower side of the vertical pivot bar 1 is machined with external thread section 11 respectively, and one end of the Measure Board 2 offers
Vertical through holes 24 on the external thread section 11 of vertical pivot bar 1 and can simultaneously be slided up and down, the outer spiral shell by 24 sets of the vertical through holes
Be spirally connected in line section 11 there are two nut and two nuts be located at cover the upper and lower of the Measure Board on the external thread section 11 2 with
It will pass through to the mode on top that Measure Board 2 is fixed；It fixes i.e. in such a way that two nuts reversely rotate and unclamps Measure Board 2 simultaneously
It can be further by screwing out the nut in outside so as to the dismounting of Measure Board 2, the spacing of two Measure Boards 2 can also be carried out by nut
A certain range of adjustment.
Wherein, for the sliding slot 21 in vertically opening up, the rod segment 231 of mark pen 23 is corresponding with the inner width of sliding slot 21 and is machined with
External screw thread, i.e., externally threaded major diameter is corresponding with the inner width of sliding slot 21 or is slightly less than, and the rod segment 231 of mark pen 23 passes through sliding slot 21,
The upper and lower that nut and two nuts are located at sliding slot 21 there are two being spirally connected in rod segment 231 will mark in a manner of it will pass through to top
Note pen 23 is fixed in sliding slot 21；It is unclamped i.e. in such a way that two nuts reversely rotate and fixes mark pen 23, so as in pine
The position of slidable adjustment mark pen 23 when opening, positional distance is fixed after regulating, then crosses.Mark pen 23 can be
It is homemade, i.e., then existing " pen " is inserted in the hole and can be used in the drilling of the end face of the rod segment 231.
Referring to Fig. 8, the present invention also provides a kind of building structure scribble method, this method is crossed based on above-mentioned building structure
Device and carry out, include the following steps:
1) vertical through-hole is drilled out by design point on horizontal building structure layer；
2) two Measure Boards 2 dismantled on vertical pivot bar 1；
3) one end of vertical pivot bar 1 is connected by rope, the other end naturally droops so that vertical pivot bar 1 is in vertical；
4) vertical pivot bar 1 is passed through from the through-hole and is transferred to the position convenient for lower section personnel construction；
5) Measure Board 2 for connecting 1 lower end of vertical pivot bar adjusts the position of the mark pen 23 on the Measure Board 2 and fixation；
6) vertical pivot bar 1 is promoted by rope and the upper end of vertical pivot bar 1 is made to be pierced by the through-hole；
7) Measure Board 2 for connecting 1 upper end of vertical pivot bar adjusts the position of the mark pen 23 on the Measure Board 2 and fixation；
8) rotating vertical shaft 1 carries out the scribing line of building structure layer upper and lower surfaces.
In this manner it is possible to carry out in daily building construction process, position is higher, underlining is inconvenient building structure layer
Upper and lower surfaces synchronization underlining.
Its application and effect for ease of understanding, further it is as follows to introduce its implementation process for citing: being applied with aforementioned bridging toughening
For work, after the upper surface of bridge has delineated cutting path line, suitable point is chosen, is drilled, drilling, it is bigger to answer
In the diameter of vertical pivot bar 1, two Measure Boards 2 on vertical pivot bar 1 are first dismantled, one end (upper end) of vertical pivot bar 1 is connected by rope,
By vertical pivot bar 1 from being passed through in drilling and transferring the place that personnel construct to below facilitating always, without being taken on the road of lower section
If scaffold and progress traffic limitation, if it is the bridge across waters, the place of lower section personnel's construction is facilitated then to can be waters
In platform or ship；Lower section construction personnel first connects a upper Measure Board 2 in the lower end of vertical pivot bar 1, adjusts the Measure Board 2
On mark pen 23 position and fixation, the underlining end of the mark pen 23 on the Measure Board 2 is upward；It then will by rope
Vertical pivot bar 1 draws high and again passes through the upper end of vertical pivot bar 1 and drilled, and removes rope, and in the upper end of vertical pivot bar 1, connection is upper another
A Measure Board 2, the corresponding position and orientation for also adjusting mark pen 23.After completing above-mentioned work progress, so that it may rotating vertical
Shaft 1 carries out the scribing line of required bridge upper and lower surfaces；Implement above-mentioned scribing line behaviour by the multiple spot (at least two o'clock) of design
After work, so that it may which underlining is pressed in the lower surface of bridge in the position for more accurately determining the construction work of bridge lower surface
It is mounted with after water receiving groove, effect is very good.Construction efficiency is improved, when corresponding bring is as reduced lower section traffic limitation
The benefit of limit also plays the role of very positive.
Embodiment two
Referring to Fig. 5, Fig. 6, embodiment two is what is different from the first embodiment is that system after increasing 2 sets of Measure Board on vertical pivot bar 1
Turn the function so as to orientation, make up and down that Measure Board 2 is towards consistent with can be convenient, to should be used the effect reached more.Knot
Difference on structure are as follows: the upper and lower side of vertical pivot bar 1 is machined with system respectively and turns orientation section 12, and the system turns the section of orientation section 12
For regular polygon, the Measure Board 2 is turned in orientation section 12 and can be slided up and down, vertical through holes in system by 24 sets of its vertical through holes
24 turn orientation for regular polygon hole corresponding with the system turn orientation cross sectional shape of section 12 to play the role of system, are making the function of turning
On, main using purpose is to facilitate the direction adjustment by upper and lower Measure Board 2 consistent before nonadjustable signal plate 2, so both ends
Two systems turn the cross sectional shape of orientation sections 12 and orientation all should be it is identical, system turns orientation 12 outer end of section and also extends and is equipped with
The first co-axial external thread section 13, the major diameter of the first external thread section 13 are less than system and turn orientation 12 section inscribe diameter of a circle of section
So as not to influence being inserted in for Measure Board 2, the first nut for Measure Board 2 to be fixed is bolted on the first external thread section 13
4。
When implementation, system turns the cross sectional shape of orientation section 12, is preferably selected two face flats, equilateral triangle, square and positive five
The direction of upper and lower Measure Board 2 excessive should not be adjusted consistent difficulty in order to avoid increasing by side shape, number of edges, when as using square, only
Specify the Measure Board 2 of the lower section first installed towards which direction in all directions, the then corresponding scale by top
Plate 2 is installed by identical direction, so that it may so that the direction of Measure Board 2 is consistent up and down.If the first nut 4 uses common spiral shell
Mother, then needing to make thickness of turn length of orientation section 12 less than Measure Board 2 to be compacted, as shown in Figure 5.If system turns fixed
It is greater than the thickness of Measure Board 2 to the length of section 12, then needing to be arranged the sleeve extended towards inner end outside the first nut 4
And compression is abutted against by the inner face of sleeve and Measure Board 2, the internal diameter of sleeve should be greater than system and turn orientation 12 section circumscribed circle of section
Diameter, as shown in Figure 6.
It can be used the effect reached more in this way, the present apparatus is corresponding, in addition to the underlining of above-mentioned introduction, such as daily
Life in when there is water leakage situation, the upper surface of leak floor has been acknowledged leak source on either lower surface, needs another
A surface is identified accordingly, can apply the present apparatus in this case, and working procedure is similar with above-mentioned working procedure,
Only before another Measure Board 2 of connection upper end, the good upper end scale of corresponding selection is first come according to the direction of lower end Measure Board 2
It is covered again after the direction of plate 2 and turns in orientation section 12 and further fix in system, in use, mark 23 underlinings of pen up and down
Point be exactly it is same it is vertical on；Embodiment is that step 7) confirms the direction of lower end Measure Board 2, connection in the methods described above
The Measure Board 2 of 1 upper end of vertical pivot bar simultaneously keeps it consistent with the direction of lower end Measure Board 2, adjusts the mark pen 23 on the Measure Board 2
Position and fixation.
Embodiment three
Referring to Fig. 7, embodiment third is that implement two further improvement, adjustable Measure Board 2 system turn orientation section 12 on
Fixed position is to adjust the spacing between two Measure Boards 2.Difference in structure are as follows: system turns the perpendicular of the inner end of orientation section 12
Also it is machined with external screw thread in shaft section 231 and is formed as the second external thread section 14；The second spiral shell is bolted on second external thread section 14
Mother 5, the system turn orientation external diameter of a circle in 12 section of section influence the second nut 5 less than the path of the second external thread section 14
Be inserted in, the outer end face and Measure Board 2 that the sleeve 6 extended towards outer end and sleeve 6 are cased with outside second nut 5 abut against so as to
One movable bearing surface of mobile offer of second nut 5 is provided.When implementation, the first external thread section 13, the second external thread section 14,
System turns orientation section 12 and the length of sleeve answers matched design.
When implementation, the two-period form telescopic rod of 1 plug-in type of vertical pivot bar can be made so that its length is adjustable suitable to improve
It is also more convenient to carry convenient for being applied to the building structure layer of different-thickness with property.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (7)
1. a kind of building structure lineation device, it is characterised in that: including vertical pivot bar, the upper and lower side difference of the vertical pivot bar is detachable
It is connected with Measure Board, the Measure Board is vertical with vertical pivot bar, and sliding slot is provided along its length on the Measure Board and is carved with aobvious
Show the groove of length information, mark pen is equipped in the sliding slot, the mark pen can be slided along the chute and be can be fixed in sliding slot
It is interior to cross after adjustable range size；The underlining end of mark pen on two Measure Boards is oppositely arranged will pass through
Upper and lower surface synchronous progress underlining operation of the present apparatus in building structure.
2. a kind of building structure lineation device according to claim 1, it is characterised in that: the upper and lower side of the vertical pivot bar is distinguished
It is machined with external thread section, one end of the Measure Board offers vertical through holes and covers by the vertical through holes in the outer of vertical pivot bar
On thread segment, it is spirally connected on the external thread section there are two nut and two nuts is located at the scale covered on the external thread section
The upper and lower of plate is fixed Measure Board in a manner of it will pass through to top.
3. a kind of building structure lineation device according to claim 1, it is characterised in that: the sliding slot is marked in vertically opening up
The rod segment of note pen is corresponding with the inner width of sliding slot and is machined with external screw thread, and the rod segment for marking pen passes through sliding slot, is bolted with two in rod segment
Mark pen is fixed in sliding slot by the upper and lower that a nut and two nuts are located at sliding slot in a manner of it will pass through to top.
4. a kind of building structure lineation device according to claim 1, it is characterised in that: the upper and lower side of the vertical pivot bar is distinguished
It is machined with system and turns orientation section, the section that the system turns orientation section is regular polygon, and one end of the Measure Board offers vertical logical
Hole is simultaneously covered on making turn orientation section by the vertical through holes, and the vertical through holes are corresponding to orient the cross sectional shape of section with system turn
Regular polygon hole turn orientation to play the role of system, system turns an orientation section outer end and also extends equipped with the first co-axial external screw thread
Section, the major diameter of the first external thread section are less than system and turn orientation section section inscribe diameter of a circle so as not to influence being inserted in for Measure Board, the
The first nut for Measure Board to be fixed is bolted on one external thread section.
5. a kind of building structure lineation device according to claim 4, it is characterised in that: system turns the vertical pivot of the inner end of orientation section
Also it is machined with external screw thread in rod segment and is formed as the second external thread section；The second nut is bolted on second external thread section, system turns fixed
Being inserted in for the second nut, second spiral shell are influenced less than the path of the second external thread section to the external diameter of a circle in section section
Female outer outer end face for being cased with the sleeve extended towards outer end and sleeve and Measure Board are abutted against will pass through the movement of the second nut
One movable bearing surface is provided.
6. any one of -5 a kind of building structure lineation device according to claim 1, it is characterised in that: the vertical pivot bar is slotting
The telescopic rod of formula is connect so that its length is adjustable to improve applicability.
7. a kind of building structure scribble method, it is characterised in that: this method is based on one kind of any of claims 1-5
Building structure lineation device and carry out, include the following steps:
1) vertical through-hole is drilled out by design point on horizontal building structure layer；
2) two Measure Boards dismantled on vertical pivot bar；
3) one end of vertical pivot bar is connected by rope, the other end naturally droops so that vertical pivot bar is in vertical；
4) vertical pivot bar is passed through from the through-hole and is transferred to the position convenient for lower section personnel construction；
5) Measure Board for connecting vertical pivot bar lower end adjusts the position of the mark pen on the Measure Board and fixation；
6) vertical pivot bar is promoted by rope and the upper end of vertical pivot bar is made to be pierced by the through-hole；
7) Measure Board for connecting vertical pivot bar upper end adjusts the position of the mark pen on the Measure Board and fixation；
8) rotating vertical shaft carries out the scribing line of building structure layer upper and lower surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581881.3A CN110153981A (en) | 2019-06-30 | 2019-06-30 | A kind of building structure lineation device and scribble method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581881.3A CN110153981A (en) | 2019-06-30 | 2019-06-30 | A kind of building structure lineation device and scribble method |
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| CN110153981A true CN110153981A (en) | 2019-08-23 |
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| CN201910581881.3A Pending CN110153981A (en) | 2019-06-30 | 2019-06-30 | A kind of building structure lineation device and scribble method |
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| CN114043447A (en) * | 2022-01-13 | 2022-02-15 | 江苏士美机电装备有限公司 | Manual scribing device for flange plate machining |
| CN114113317A (en) * | 2021-10-23 | 2022-03-01 | 广东益鑫源工程建设管理咨询有限公司 | Concrete defect detection method |
| CN115464783A (en) * | 2022-08-16 | 2022-12-13 | 北京首钢建设集团有限公司 | Static comprehensive cutting method for existing building |
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| CN114113317A (en) * | 2021-10-23 | 2022-03-01 | 广东益鑫源工程建设管理咨询有限公司 | Concrete defect detection method |
| CN114113317B (en) * | 2021-10-23 | 2023-11-28 | 广东益鑫源工程建设管理咨询有限公司 | Concrete defect detection method |
| CN114043447A (en) * | 2022-01-13 | 2022-02-15 | 江苏士美机电装备有限公司 | Manual scribing device for flange plate machining |
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Application publication date: 20190823 |