CN111619022A - Cutting device is used in bridge construction - Google Patents
Cutting device is used in bridge construction Download PDFInfo
- Publication number
- CN111619022A CN111619022A CN202010333454.6A CN202010333454A CN111619022A CN 111619022 A CN111619022 A CN 111619022A CN 202010333454 A CN202010333454 A CN 202010333454A CN 111619022 A CN111619022 A CN 111619022A
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- Prior art keywords
- rod
- lifting
- cutting
- hole
- connecting shell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
- B28D1/24—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising with cutting discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
- B28D1/228—Hand-held or hand-operated tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a cutting device for bridge construction, which comprises a cutting motor and a cutting blade, wherein an output shaft of the cutting motor is connected with the cutting blade; the cutting device also comprises a base, a supporting rod, a connecting rod, a ball head assembly, a lifting assembly and a handheld assembly, wherein one end of the supporting rod is connected with the upper end face of the base through a pin shaft, the other end of the supporting rod is connected with one end of the connecting rod through the ball head assembly, and the other end of the connecting rod is fixedly connected with a cutting motor; a lifting component is arranged between the middle part of the supporting rod and the base, and the middle part of the supporting rod is connected with the upper end surface of the base through the lifting component; the side of the connecting rod is connected with the handheld component. According to the invention, people can control the handheld assembly to enable the connecting rod to rotate at multiple angles, so that the cutting motor and the cutting blade which are fixedly connected to the end of the connecting rod can realize multi-angle cutting construction operation, and convenience is brought to the use of the cutting device.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to a cutting device for bridge construction.
Background
In the construction of bridge, in order to increase the stability and the intensity of bridge, often need drill hole and implant the stock and consolidate in the cement of supporting the bridge, repair the operation at the drilling position at last to do not cause the influence to the surface of bridge, in order to strengthen the steadiness of repairing back bridge surface, generally will repair the hole and set up to interior little outer big quadrangular pyramid shape, its operating procedure is: before drilling, can adopt the cutting machine to cut out the inclined plane groove earlier usually (repair the medial surface in hole promptly), then drill out the concrete between the inclined plane groove with the impact drill to form the hole of repairing of a quadrangular pyramid form, people can be in repairing downthehole drilling implant stock, use the concrete at last will repair the hole be full of can, repair downthehole big-small structure can so that the bridge surface structure after repairing more firm, avoided repairing the department the concrete situation such as drops that appears.
However, when the inclined plane groove is cut in the repairing hole, people are too close to the construction surface due to the adoption of a common handheld cutting machine, dust generated by cutting concrete easily enters eyes of people to cause serious damage to the eyes, the weight of the cutting machine is large, and the physical strength of people is greatly consumed due to long-time holding; patent No. CN201822100255.1 discloses a vertical cutting device for road and bridge construction, which solves the above problems, but only enables the cutting blade to cut the vertical construction surface, and cannot be operated when the construction of the similar inclined groove needs to be cut, so it is necessary to research a cutting device that can save physical power to realize the cutting operation at multiple angles.
Disclosure of Invention
The invention aims to solve the problems and provides a cutting device for bridge construction, which is simple in structure and convenient to use.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a cutting device for bridge construction comprises a cutting motor and a cutting blade, wherein an output shaft of the cutting motor is connected with the cutting blade; the cutting device also comprises a base, a supporting rod, a connecting rod, a ball head assembly, a lifting assembly and a handheld assembly, wherein one end of the supporting rod is connected with the upper end face of the base through a pin shaft, the other end of the supporting rod is connected with one end of the connecting rod through the ball head assembly, and the other end of the connecting rod is fixedly connected with a cutting motor; the ball head assembly comprises a first connecting shell, a second connecting shell, a support and a ball head piece; the bottom end of the first connecting shell is in a vertically placed round tube shape, the top end of the first connecting shell is in a semi-sphere shape, a first through hole and a limiting long hole are formed in the top end of the first connecting shell, and one end of the limiting long hole is communicated with the first through hole; the second connecting shell is in a hollow cylinder shape with an opening at the top end, the first connecting shell is sleeved on the outer side of the second connecting shell and is in threaded connection with the second connecting shell, the first connecting shell and the second connecting shell are in threaded connection to form a storage cavity, a support and a ball head piece are arranged in the storage cavity, the support is located below the ball head piece, a semicircular groove is formed in the upper end face of the support, the inner side face of the semicircular groove is in contact with the bottom face of the ball head piece, a second through hole is formed in the bottom end of the second connecting shell, one end of the supporting rod penetrates through the second through hole and is fixedly connected with the lower end face of the support, and one end of the connecting rod penetrates through the first through hole and is fixedly connected with the top end; a lifting component is arranged between the middle part of the supporting rod and the base, and the middle part of the supporting rod is connected with the upper end surface of the base through the lifting component; the side of the connecting rod is connected with the handheld component.
Furthermore, the lifting assembly comprises a first lifting rod, a second lifting rod and a lifting sleeve, wherein a first connecting lug is arranged at the top end of the first lifting rod and is connected with the pin shaft of the supporting rod through the first connecting lug, and a second connecting lug is arranged at the bottom end of the second lifting rod and is connected with the pin shaft of the upper end face of the base through the second connecting lug; first lifter bottom, second lifter top cup joint with lifting sleeve's both ends respectively, and lifting sleeve top medial surface is provided with first internal thread and through first internal thread and the first external screw thread threaded connection who sets up at first lifter lateral surface, and lifting sleeve bottom medial surface is provided with the second internal thread and through the second internal thread and the second external screw thread threaded connection who sets up at the second lifter lateral surface, and first internal thread is opposite with the second internal thread revolves to.
Further, handheld subassembly includes third engaging lug, handheld pole, handle, and third engaging lug fixed connection is in the connecting rod side, and the one end round pin hub connection of third engaging lug and handheld pole, the other end and the handle fixed connection of handheld pole.
Furthermore, be provided with the round pin shaft hole on the third engaging lug and through round pin shaft hole and the one end round pin hub connection of handheld pole, the axial in round pin shaft hole is mutually perpendicular with the length direction of connecting rod.
Furthermore, spacing slot hole has four and four spacing slot holes and is the cross setting on first connection housing top, and the width of spacing slot hole is not less than the external diameter of connecting rod.
Furthermore, the lower end of the base is provided with four universal wheels, and the four universal wheels are arranged at four end angle positions of the lower end face of the base respectively.
Compared with the prior art, the invention has the advantages and positive effects that:
when the multi-angle rotary cutting machine is used, people can control the handheld assembly to enable the connecting rod to rotate in multiple angles, so that the cutting motor and the cutting blade which are fixedly connected to the end of the connecting rod can achieve multi-angle cutting construction operation; when the connecting rod rotates in the range of the first through hole, the ball head piece connected with the end of the connecting rod rotates in the storage cavity relative to the first connecting shell and the second connecting shell; when the connecting rod needs to rotate in a larger angle, the connecting rod is embedded into the limiting long hole through the handheld assembly, then the connecting rod is controlled to rotate along the circumferential direction of the second connecting shell, at the moment, the limiting rod can drive the first connecting shell and the second connecting shell to rotate relative to the supporting rod together, the rotating range of the connecting rod is effectively enlarged, the cutting angle of the cutting piece is enlarged, and cutting construction operation of various angles can be completed by people; and this mode makes most weight of cutting motor, cutting piece all apply on the base, has saved people's physical power, simultaneously because the design of bracing piece, handheld subassembly for people's eyes are far away from the distance of construction face, and the condition that the dust that has avoided cutting concrete production led to the fact the damage to eyes takes place.
On the other hand, the first connecting shell and the second connecting shell adopt the threaded connection mode, so that people can adjust the friction force between the ball head piece and the support by rotating the first connecting shell, the situation that the rotating operation of the connecting rod is not flexible when the friction force is too large is avoided, and the design of the lifting component arranged between the supporting rod and the base ensures that people can adjust the height of the supporting rod through the lifting component, thereby realizing the adjustment of the cutting height of the cutting piece, effectively improving the use effect of the invention, meanwhile, the inner side surface of the lifting sleeve is provided with a bidirectional thread which is connected with the first lifting rod and the second lifting rod, the cutting height of the cutting blade can be adjusted by only screwing the lifting sleeve, the operation is simple, convenient and quick, and the using effect of the invention is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an assembled block diagram of the ball head assembly;
FIG. 3 is a top view of the first coupling housing;
FIG. 4 is a view showing a coupling structure of the first coupling housing and the ball head member;
fig. 5 is a schematic structural view of the lifting assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art without any creative effort, should be included in the protection scope of the present invention.
As shown in fig. 1 to 5, the cutting device for bridge construction in this embodiment includes a cutting motor 4, a cutting blade 5, a base 1, a support rod 2, a connecting rod 11, a ball head assembly, a lifting assembly 3, and a hand-held assembly, wherein an output shaft of the cutting motor 4 is connected to the cutting blade 5; one end of the supporting rod 2 is connected with a pin shaft on the upper end face of the base 1, the other end of the supporting rod 2 is connected with one end of a connecting rod 11 through a ball head assembly, and the other end of the connecting rod 11 is fixedly connected with the cutting motor 4; a lifting component 3 is arranged between the middle part of the supporting rod 2 and the base 1, and the middle part of the supporting rod 2 is connected with the upper end surface of the base 1 through the lifting component 3; the connecting rod 11 is connected with the hand-held component at the side surface. In order to avoid the base inclination phenomenon, the bottom end of the supporting rod is connected to the right side of the upper end of the base, then the supporting rod is inclined to the left side, the inclination phenomenon of the base in the using process is avoided as much as possible, and certainly, the balancing weight can be added to the base to avoid the problem.
The ball head assembly comprises a first connecting shell 7, a second connecting shell 8, a support 9 and a ball head piece 10; the bottom end of the first connecting shell 7 is in a vertically arranged round tube shape, the top end of the first connecting shell 7 is in a semi-sphere shape, the top end of the first connecting shell 7 is provided with a first through hole 701 and a limiting long hole 702, the first through hole 701 is positioned in the center of the top end of the first connecting shell 7, one end of the limiting long hole 702 is communicated with the first through hole 701, the limiting long hole 702 is provided with four limiting long holes 702, the four limiting long holes 702 are arranged at the top end of the first connecting shell 7 in a cross shape, and the width of the limiting long holes 702 is not less than the outer diameter of the connecting rod 11; when the connecting rod 11 needs to rotate in a large range, the connecting rod can be embedded into any one of the limiting long holes 702 to perform large-range rotation operation; the second connecting shell 8 is in a hollow cylinder shape with an opening at the top end, the first connecting shell 7 is sleeved outside the second connecting shell 8, and the inner side wall at the bottom end of the first connecting shell 7 is in threaded connection with the outer side wall of the second connecting shell 8; the design of threaded connection enables people to adjust the friction force between the ball head piece and the support through rotating the first connecting shell, and the situation that the rotating operation of the connecting rod is inflexible when the friction force is too large is avoided;
the first connecting shell 7 and the second connecting shell 8 are in threaded connection to form a storage cavity, a support 9 and a ball head piece 10 are arranged in the storage cavity, the support 9 is located below the ball head piece 10, a semicircular groove 901 is formed in the upper end face of the support 9, the inner side face of the semicircular groove 901 is in contact with the bottom face of the ball head piece 10, when the first connecting shell 7 is connected with the second connecting shell 8, the bottom end of the ball head piece 10 is tightly pressed in the semicircular groove 901 in the upper end face of the support 9, a second through hole 801 is formed in the bottom end of the second connecting shell 8, one end of the support rod 2 penetrates through the second through hole 801 and is fixedly connected with the lower end face of the support 9, and one end of the connecting rod 11 penetrates through the first through hole 701 and is fixedly connected with the top end of the; the first through hole 701 and the second through hole 801 are both circular through holes.
The connecting rod has two moving ranges in the rotating process, the first moving range is that the connecting rod rotates within the moving range of the first through hole at a small angle, and when the connecting rod rotates within the range of the first through hole, the ball head part connected with the end of the connecting rod rotates relative to the first connecting shell and the second connecting shell in the accommodating cavity; the second home range is that the connecting rod is being greater than the within range rotation that runs through the through-hole, when the connecting rod needs the rotation of bigger angle, at first make the connecting rod imbed the limit length downthehole through handheld subassembly (as shown in fig. 4), then the circumferencial direction that the casing was connected along the second to the control connecting rod rotates, at this moment, the gag lever post can drive first connecting casing, the casing is connected to the second together for the bracing piece, the support rotates, its home range that has effectively increased the connecting rod, thereby the cutting angle of cutting piece has been increased, be favorable to people to accomplish the cutting construction operation of various angles.
The lifting assembly 3 comprises a first lifting rod 302, a second lifting rod 303 and a lifting sleeve 301, wherein a first connecting lug 305 is arranged at the top end of the first lifting rod 302 and is in pin connection with the supporting rod 2 through the first connecting lug 305, and a second connecting lug 304 is arranged at the bottom end of the second lifting rod 303 and is in pin connection with the upper end face of the base 1 through the second connecting lug 304; the bottom end of the first lifting rod 302 and the top end of the second lifting rod 303 are respectively sleeved with two ends of the lifting sleeve 301, the inner side surface of the top end of the lifting sleeve 301 is provided with a first internal thread and is in threaded connection with a first external thread 306 arranged on the outer side surface of the first lifting rod 302 through the first internal thread, the inner side surface of the bottom end of the lifting sleeve 301 is provided with a second internal thread and is in threaded connection with a second external thread 307 arranged on the outer side surface of the second lifting rod 303 through the second internal thread, and the screwing directions of the first internal thread and the second internal thread are opposite. As shown in fig. 5, in order to avoid confusion of drawing lines caused by excessive lead marking, the first internal thread and the second internal thread are not marked, and the first internal thread and the second internal thread are respectively located at the upper end and the lower end of the inner side surface of the lifting sleeve 301.
When the support rod is required to realize the lowering operation, the lifting sleeve can be rotated along one direction, at the moment, the bottom end of the first lifting rod can move downwards under the action of the rotating force, the top end of the second lifting rod can move upwards under the action of the rotating force, and the first lifting rod and the second lifting rod are gradually sleeved in the lifting sleeve, so that the height formed by the first lifting rod, the lifting sleeve and the second lifting rod is shortened, and the support rod achieves the lowering effect; when the supporting rod is required to realize lifting operation, the lifting sleeve is screwed in the opposite rotating direction, at the moment, the bottom end of the first lifting rod moves upwards under the action of rotating force, the top end of the second lifting rod moves downwards under the action of rotating force, and the first lifting rod and the second lifting rod gradually separate from the lifting sleeve, so that the height formed by the first lifting rod, the lifting sleeve and the second lifting rod is increased, and the supporting rod achieves the lifting effect;
the handheld subassembly includes third engaging lug 12, handheld pole 13, handle 14, and third engaging lug 12 fixed connection is in 11 sides of connecting rod, is provided with the round pin shaft hole on the third engaging lug 12 and is connected through the round pin shaft hole and the one end round pin axle of handheld pole 13, and the axial in round pin shaft hole is mutually perpendicular with the length direction of connecting rod 11, the other end and the handle 14 fixed connection of handheld pole 13. The axial in round pin shaft hole is mutually perpendicular with the length direction of connecting rod for the back is connected with handheld pole to the third engaging lug, can control the connecting rod through handheld pole and rotate along the circumference of connecting rod, makes handheld pole remove left and right simultaneously, has made things convenient for people to hold and has taken the operation.
The lower end of the base 1 is provided with universal wheels 6, and the universal wheels 6 are four and are respectively arranged at four end angle positions of the lower end face of the base 1. The design of universal wheel has made things convenient for people to remove the device to it can remove along with the cutting demand when the cutting piece carries out cutting operation, has made things convenient for going on smoothly of cutting operation, has brought the facility for cutting construction operation.
Claims (6)
1. A cutting device for bridge construction comprises a cutting motor and a cutting blade, wherein an output shaft of the cutting motor is connected with the cutting blade; the method is characterized in that: the cutting device also comprises a base, a supporting rod, a connecting rod, a ball head assembly, a lifting assembly and a handheld assembly, wherein one end of the supporting rod is connected with the upper end face of the base through a pin shaft, the other end of the supporting rod is connected with one end of the connecting rod through the ball head assembly, and the other end of the connecting rod is fixedly connected with a cutting motor; the ball head assembly comprises a first connecting shell, a second connecting shell, a support and a ball head piece; the bottom end of the first connecting shell is in a vertically placed round tube shape, the top end of the first connecting shell is in a semi-sphere shape, a first through hole and a limiting long hole are formed in the top end of the first connecting shell, and one end of the limiting long hole is communicated with the first through hole; the second connecting shell is in a hollow cylinder shape with an opening at the top end, the first connecting shell is sleeved on the outer side of the second connecting shell and is in threaded connection with the second connecting shell, the first connecting shell and the second connecting shell are in threaded connection to form a storage cavity, a support and a ball head piece are arranged in the storage cavity, the support is located below the ball head piece, a semicircular groove is formed in the upper end face of the support, the inner side face of the semicircular groove is in contact with the bottom face of the ball head piece, a second through hole is formed in the bottom end of the second connecting shell, one end of the supporting rod penetrates through the second through hole and is fixedly connected with the lower end face of the support, and one end of the connecting rod penetrates through the first through hole and is fixedly connected with the top end; a lifting component is arranged between the middle part of the supporting rod and the base, and the middle part of the supporting rod is connected with the upper end surface of the base through the lifting component; the side of the connecting rod is connected with the handheld component.
2. The cutting apparatus for bridge construction according to claim 1, wherein: the lifting assembly comprises a first lifting rod, a second lifting rod and a lifting sleeve, wherein a first connecting lug is arranged at the top end of the first lifting rod and is connected with the pin shaft of the supporting rod through the first connecting lug, and a second connecting lug is arranged at the bottom end of the second lifting rod and is connected with the pin shaft of the upper end face of the base through the second connecting lug; first lifter bottom, second lifter top cup joint with lifting sleeve's both ends respectively, and lifting sleeve top medial surface is provided with first internal thread and through first internal thread and the first external screw thread threaded connection who sets up at first lifter lateral surface, and lifting sleeve bottom medial surface is provided with the second internal thread and through the second internal thread and the second external screw thread threaded connection who sets up at the second lifter lateral surface, and first internal thread is opposite with the second internal thread revolves to.
3. The cutting apparatus for bridge construction according to claim 2, wherein: the handheld assembly comprises a third connecting lug, a handheld rod and a handle, the third connecting lug is fixedly connected to the side face of the connecting rod, the third connecting lug is connected with one end of the handheld rod through a pin shaft, and the other end of the handheld rod is fixedly connected with the handle.
4. The cutting apparatus for bridge construction according to claim 3, wherein: the third engaging lug is provided with a pin shaft hole and is connected with one end of the handheld rod through the pin shaft hole, and the axial direction of the pin shaft hole is vertical to the length direction of the connecting rod.
5. The cutting apparatus for bridge construction according to claim 4, wherein: the limiting long holes are four and four are arranged at the top end of the first connecting shell in a cross shape, and the width of each limiting long hole is not smaller than the outer diameter of each connecting rod.
6. The cutting apparatus for bridge construction according to claim 5, wherein: the universal wheel is arranged at the lower end of the base, and the universal wheel is provided with four end angle positions which are respectively arranged on the lower end surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010333454.6A CN111619022A (en) | 2020-04-24 | 2020-04-24 | Cutting device is used in bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010333454.6A CN111619022A (en) | 2020-04-24 | 2020-04-24 | Cutting device is used in bridge construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111619022A true CN111619022A (en) | 2020-09-04 |
Family
ID=72256008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010333454.6A Withdrawn CN111619022A (en) | 2020-04-24 | 2020-04-24 | Cutting device is used in bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111619022A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101670622A (en) * | 2009-09-11 | 2010-03-17 | 陈思扬 | Angle-free stone automatic cutting machine |
| US20150013659A1 (en) * | 2013-07-02 | 2015-01-15 | Chervon Intellectual Property Limited | Tile cutting machine |
| CN107234736A (en) * | 2017-07-28 | 2017-10-10 | 长兴鸿鹄耐磨材料有限公司 | Multi-angle refractory material cutting machine |
| CN207344876U (en) * | 2017-07-28 | 2018-05-11 | 长兴县中泰耐火材料有限公司 | Multi-angle refractory material cutting machine |
| CN110653949A (en) * | 2019-09-30 | 2020-01-07 | 泽鼎石业(天津)有限公司 | Stone grooving machine |
| CN110961833A (en) * | 2019-11-20 | 2020-04-07 | 无锡市赛尔特焊割设备有限公司 | Robot double-side welding system based on automation |
-
2020
- 2020-04-24 CN CN202010333454.6A patent/CN111619022A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101670622A (en) * | 2009-09-11 | 2010-03-17 | 陈思扬 | Angle-free stone automatic cutting machine |
| US20150013659A1 (en) * | 2013-07-02 | 2015-01-15 | Chervon Intellectual Property Limited | Tile cutting machine |
| CN107234736A (en) * | 2017-07-28 | 2017-10-10 | 长兴鸿鹄耐磨材料有限公司 | Multi-angle refractory material cutting machine |
| CN207344876U (en) * | 2017-07-28 | 2018-05-11 | 长兴县中泰耐火材料有限公司 | Multi-angle refractory material cutting machine |
| CN110653949A (en) * | 2019-09-30 | 2020-01-07 | 泽鼎石业(天津)有限公司 | Stone grooving machine |
| CN110961833A (en) * | 2019-11-20 | 2020-04-07 | 无锡市赛尔特焊割设备有限公司 | Robot double-side welding system based on automation |
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Application publication date: 20200904 |
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| WW01 | Invention patent application withdrawn after publication |