CN112538878A - Wall brushing device of integrated grooving machine - Google Patents
Wall brushing device of integrated grooving machine Download PDFInfo
- Publication number
- CN112538878A CN112538878A CN202011521331.1A CN202011521331A CN112538878A CN 112538878 A CN112538878 A CN 112538878A CN 202011521331 A CN202011521331 A CN 202011521331A CN 112538878 A CN112538878 A CN 112538878A
- Authority
- CN
- China
- Prior art keywords
- wall
- wall brushing
- brushing device
- frame
- integrated
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/025—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with scraper-buckets, dippers or shovels
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides an integrated grooving machine wall brushing device which comprises a grooving machine and a wall brushing device, wherein the grooving machine comprises a rack and a grab bucket, the grab bucket is connected with one end of the rack, the wall brushing device comprises a frame and a wall brushing device, the wall brushing device is connected with one end of the frame, and the other end of the frame is detachably connected with the grab bucket. According to the wall brushing device, the wall brushing device is integrated on the grooving machine, so that the load of the wall brushing device during working is increased, the working path of the wall brushing device is ensured to be vertical, and the wall brushing device can rise and fall in a reciprocating manner close to a joint part, so that the wall brushing efficiency and the wall brushing effect are ensured, meanwhile, the work of independently hoisting the wall brushing device by using a crawler can be reduced, and the production cost is reduced.
Description
Technical Field
The invention relates to the technical field of underground continuous wall construction equipment, in particular to an integrated wall brushing device of a grooving machine.
Background
The underground continuous wall is a continuous wall body which is built under the ground for water interception, seepage prevention, soil retaining and bearing. In the concrete construction process, the underground continuous wall is divided into a plurality of unit groove sections with fixed lengths (4-7 meters) along the length direction of the wall body, and the unit groove sections are constructed and connected in a segmented mode. After the grooving of each unit groove section by using grooving equipment is finished, attachments such as dregs exist at joint positions between the groove sections more or less. The sources of the slag attachments are that on one hand, the slag is pushed to joints of the groove sections by the flowing of the concrete in the pouring process; and the other is left in the groove section excavation process. In actual construction, the wall brushing cleaning of the muck attachments is necessary, the wall brushing cleaning is a crucial link in the construction of the continuous wall, and the cleaning effect of the attachments on the surface of the concrete wall at the joint part directly influences the quality of water interception, seepage prevention and soil retaining bearing of the continuous wall structure.
The traditional underground continuous wall brushing is generally a special wall brushing device, and the structure form of the traditional underground continuous wall brushing device is a unilateral brush with the weight of 1 to 2 tons. When the wall is brushed, the wall brushing device is lifted and descended back and forth by the crane and close to the joint until the steel wire brush does not have soil any more, and then the wall brushing is finished. In the mode, the wall brushing device has smaller weight and is lifted by a crane, so the wall brushing device has lower efficiency and relatively unsatisfactory effect. If the weight of the wall brushing device is increased, the problems of increased cost and inconvenient transportation will occur.
Disclosure of Invention
The invention aims to provide an integrated wall brushing device of a grooving machine, which aims to solve the problems of low wall brushing efficiency, poor wall brushing effect and high wall brushing cost of the wall brushing device in the prior art. The specific technical scheme is as follows:
the invention provides an integrated grooving machine wall brushing device, which comprises a grooving machine and a wall brushing device, wherein the wall brushing device is arranged on the grooving machine;
the trenching machine comprises a rack and a grab bucket, wherein the grab bucket is connected with one end of the rack;
the wall brushing device comprises a frame and a wall brushing device, wherein the wall brushing device is connected to one end of the frame, the other end of the frame is detachably connected with the grab bucket, and the wall brushing device is used for brushing the joint position of the unit groove of the underground continuous wall.
Optionally, the wall brushing device further comprises two guide plates respectively arranged on two sides of the frame, and the guide plates are used as reference objects for judging the installation position of the wall brushing device on the grab bucket.
Optionally, the wall brushing device further comprises two inclined strut supports respectively arranged on two sides of the frame, and two ends of each inclined strut support are respectively fixedly connected with the frame and the guide plate and used for supporting the guide plate.
Optionally, the brush wall device includes two brush wall assemblies connected to each other, the two brush wall assemblies are respectively disposed on two sides of the frame and movably connected to the frame, and the brush wall assemblies are used for cleaning the joints of the corresponding unit slots on one side.
Optionally, the brush wall assembly comprises a brush wall support, a brush bottom plate and a sliding plate are arranged on the brush wall support, the brush bottom plate is used for installing brush hairs, and the sliding plate is used for movably connecting with the frame.
Optionally, two sides and a bottom side of the frame are provided with a fixing plate;
the two sliding plates are respectively movably connected with the fixed plates positioned on the two sides of the frame through a bolt and nut assembly;
the two brush wall components are movably connected with a fixing plate positioned at the bottom side of the frame through a bolt and nut component.
Optionally, the brush wall bracket is provided with three brush hair bottom plates which are arranged in parallel.
Optionally, the brush wall assembly further comprises a mud scraper, and the mud scraper is arranged below the bristle base plate and parallel to the bristle base plate.
Optionally, the brush wall assembly further comprises a support plate, and the support plate is arranged at the bottom of the brush wall assembly and is used for supporting the brush wall assembly.
Optionally, the grab bucket is provided with a plurality of slurry overflow holes;
the wall brushing device further comprises a connecting plate, one end of the connecting plate is fixedly connected with the other end of the frame, and the other end of the connecting plate is connected with the grab bucket at the grout overflow hole through a bolt. The wall brushing device of the integrated grooving machine provided by the invention has the following beneficial effects: the wall brushing device of the integrated grooving machine comprises a grooving machine and a wall brushing device, the grooving machine comprises a rack and a grab bucket, the grab bucket is connected with one end of the rack, the wall brushing device comprises a frame and a wall brushing device, the wall brushing device is connected with one end of the frame, and the other end of the frame is detachably connected with the grab bucket. According to the wall brushing device, the wall brushing device is integrated on the grooving machine, so that the load of the wall brushing device during working is increased, the working path of the wall brushing device is ensured to be vertical, and the wall brushing device can rise and fall in a reciprocating manner close to a joint part, so that the wall brushing efficiency and the wall brushing effect are ensured, meanwhile, the work of independently hoisting the wall brushing device by using a crawler can be reduced, and the production cost is reduced.
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, 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 the drawings without creative efforts.
FIG. 1 is a schematic structural view of an integrated wall brushing device of a grooving machine according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure of an integrated wall brushing device of the slotter according to an embodiment of the present invention;
wherein the reference numerals of figures 1-2 are as follows:
1-hoisting the crawler belt; 2-a frame; 3, a grab bucket; 31-slurry overflow hole; 4-a frame; 5-wall brushing device; 51-a brush wall holder; 511-bristle base plate; 5111-bristles; 512-a slide plate; 52-a fixed plate; 53-a mud scraper; 54-a support plate; 6-a guide plate; 7-a diagonal bracing support; 8-connecting plate.
Detailed Description
The wall brushing device of the integrated grooving machine provided by the invention is further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "thickness," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
As described in the background, the conventional wall brushing device has low wall brushing efficiency, poor wall brushing effect and high wall brushing cost.
Therefore, the core idea of the invention is to provide the wall brushing device of the integrated grooving machine, the wall brushing device is integrated on the grooving machine, so that the load of the wall brushing device during working is increased, the working path of the wall brushing device is ensured to be vertical, and the wall brushing device can rise and fall in a reciprocating manner close to a joint part, so that the wall brushing efficiency and the wall brushing effect are ensured, meanwhile, the work of independently hoisting the wall brushing device by using a crawler can be reduced, and the production cost is reduced.
In order to realize the idea, the invention provides an integrated grooving machine wall brushing device, please refer to fig. 1 and fig. 2, the integrated grooving machine wall brushing device comprises a grooving machine and a wall brushing device, the grooving machine comprises a frame 2 and a grab bucket 3, the grab bucket is connected with one end of the frame 2, the wall brushing device comprises a frame 4 and a wall brushing device 5, the wall brushing device 5 is connected with one end of the frame 4, and the other end of the frame 4 is detachably connected with the grab bucket 3.
Furthermore, the wall brushing device further comprises two guide plates 6 which are respectively arranged on two sides of the frame 4 and are vertically arranged (perpendicular to the horizontal plane) and used as reference objects for judging the installation position of the wall brushing device on the grab bucket 3, so that the wall brushing device is ensured to be positioned under the trenching machine, and the wall brushing effect of the wall brushing device is improved.
Further, brush wall ware still including setting up respectively two bracing supports 7 of 4 sides of frame, bracing support 7 is 45 slopes along the horizontal direction, both ends respectively with frame 4 with 6 fixed connection of deflector, in order to be used for supporting deflector 6 guarantees the work of integrative grooving machine brush wall ware the deflector 6 is difficult to take place to incline, thereby guarantees brush wall device 5 is the cleaning of going on straight up and straight down along unit groove joint position, guarantees clean effect.
Specifically, brush wall device 5 includes two interconnect's brush wall subassembly, two brush wall subassembly symmetry respectively sets up frame 4 both sides, and with frame 4 swing joint is used for brushing wall work to unit cell both sides joint position respectively, can avoid traditional brush wall ware because of the work load that unilateral brush design increases like this, for example use traditional brush wall ware to accomplish the brush wall work back to unit cell one side joint position, need to brush wall ware from the hoist and mount track with traditional brush wall ware and pull down, hoist again in order to carry out the brush wall work that unit cell opposite side joint position. And this application adopts two brush wall subassemblies that the symmetry set up, can accomplish again and brush the wall work back that connects the position to cell slot one side, do not brush the wall ware and grooving machine dismantlement process and can brush the wall work to cell slot opposite side joint position after that, it is laborsaving to save trouble, can effectively shorten construction cycle.
Specifically, the brush wall assembly comprises a brush wall support 51, a brush bottom plate 511 and a sliding plate 512 are arranged on the brush wall support 51, the brush bottom plate 511 is used for installing brush 5111, preferably, the brush 5111 is steel wire brush, and the sliding plate 512 is used for being movably connected with the frame 4.
Preferably, the brush wall bracket 51 is provided with three brush bottom plates 511 which are arranged in parallel, so that the wall brushing force can be increased, and the cleaning effect can be improved.
Furthermore, both sides and the bottom side of the frame 4 are provided with a fixing plate 52, the two sliding plates are movably connected with the fixing plates 52 on both sides of the frame 4 through a bolt and nut assembly, and the two wall brushing assemblies are movably connected with the fixing plates 52 on the bottom side of the frame through a bolt and nut assembly. Therefore, when the joint part on one side of the unit groove is brushed, the brushing bottom plate 511 close to the joint part on one side of the unit groove can extend forwards by adjusting the nuts in the three bolt-nut assemblies, so that the muck on the joint part on one side of the unit groove can be conveniently cleaned, the other brushing bottom plate 511 can retract forwards and is far away from the joint part on the other side of the unit groove, namely, when the wall brushing device works, only one side of the brushing 5111 brushes the wall, because if the two sides brush the wall simultaneously, the wall brushing device is easily clamped in the unit groove in the up-down reciprocating wall brushing process. After the cleaning of the joint part at one side of the unit is finished, the brushing bottom plate 511 close to the joint part at the other side of the unit groove extends backwards by adjusting the nuts in the three bolt-nut assemblies, so that the cleaning of the muck at the joint part at the other side of the unit groove is facilitated, and the brushing bottom plate 511 at the other side retracts backwards.
The "forward" direction means a direction toward one side of the cell groove, and the "backward" direction means a direction away from one side of the cell groove (i.e., a direction toward the other side of the cell groove).
Further, brush wall subassembly still includes mud scraper 53, mud scraper 53 sets up the below of brush hair bottom plate 511 and with brush hair bottom plate 511 parallel arrangement, when brushing the wall during operation, when integrative grooving machine brush wall ware from last down brushes the wall, the accessible mud scraper 53 is right the unit groove joint position clears up for the first time, will the bold dregs on the unit groove joint position are clear away earlier, reduce the clearance burden of follow-up brush hair 5111.
Further, the brush wall assembly further comprises a support plate 54, and the support plate 54 is arranged at the bottom of the brush wall assembly and is used for supporting the brush wall assembly and increasing the stability of the brush wall device.
In practice, when the continuous wall is constructed, the caterpillar band is firstly used for hoisting 1, one end of the frame 2 is used for grooving (not specifically described here), each unit groove section is firstly formed, after each unit groove section is formed, the grab bucket 3 is ensured to be in an occluded state, the wall brushing device is connected to the middle position of the grab bucket 3, the connection between the wall brushing device and the grab bucket is specifically realized through a plurality of connecting plates 8, more specifically, one end of each connecting plate 8 is fixedly connected with the other end of the frame 4, and the other end of each connecting plate 8 is connected with the grab bucket 3 through a pulp overflow hole 31 of a bolt on the grab bucket 3. After the wall brushing device is connected with the grab bucket 3, the wall brushing device of the integrated grooving machine can be adopted for wall brushing. It is thus clear that in carrying out above-mentioned continuous wall work progress, only need use a hoist and mount track to carry out hoist and mount work, can accomplish grooving brush wall work, laborsaving still can practice thrift construction cost, and through inciting somebody to action the wall brushing ware is connected on the grooving machine, can increase brush wall ware work load for the wall brushing ware can keep vertical state when brushing the wall action from top to bottom, guarantees to brush the wall effect.
In summary, the wall brushing device of the integrated grooving machine provided by the invention has the following advantages: the wall brushing device of the integrated grooving machine comprises a grooving machine and a wall brushing device, the grooving machine comprises a rack and a grab bucket, the grab bucket is connected with one end of the rack, the wall brushing device comprises a frame and a wall brushing device, the wall brushing device is connected with one end of the frame, and the other end of the frame is detachably connected with the grab bucket. According to the wall brushing device, the wall brushing device is integrated on the grooving machine, so that the load of the wall brushing device during working is increased, the working path of the wall brushing device is ensured to be vertical, and the wall brushing device can rise and fall in a reciprocating manner close to a joint part, so that the wall brushing efficiency and the wall brushing effect are ensured, meanwhile, the work of independently hoisting the wall brushing device by using a crawler can be reduced, and the production cost is reduced.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A wall brushing device of an integrated grooving machine is characterized by comprising a grooving machine and a wall brushing device;
the trenching machine comprises a rack and a grab bucket, wherein the grab bucket is connected with one end of the rack;
the wall brushing device comprises a frame and a wall brushing device, wherein the wall brushing device is connected to one end of the frame, the other end of the frame is detachably connected with the grab bucket, and the wall brushing device is used for brushing the joint position of the unit groove of the underground continuous wall.
2. The wall brushing device of the integrated grooving machine according to claim 1, wherein the wall brushing device further comprises two guide plates respectively arranged on two sides of the frame, and the guide plates are used as reference objects for judging the installation position of the wall brushing device on the grab bucket.
3. The wall brushing device of the integrated grooving machine as claimed in claim 2, wherein the wall brushing device further comprises two diagonal support frames respectively arranged at two sides of the frame, and two ends of each diagonal support frame are respectively fixedly connected with the frame and the guide plate for supporting the guide plate.
4. The integrated slotter wall brushing device according to claim 2, wherein the wall brushing device comprises two brush wall components connected with each other, the two brush wall components are respectively arranged at two sides of the frame and movably connected with the frame, and the brush wall components are used for cleaning the brush wall of the joint part of the corresponding side unit groove.
5. The integrated wall brushing device of the grooving machine according to claim 4, wherein the wall brushing assembly comprises a wall brushing support, the wall brushing support is provided with a bristle base plate and a sliding plate, the bristle base plate is used for installing bristles, and the sliding plate is used for movably connecting with the frame.
6. The integrated wall brushing device for a trencher as defined in claim 5 wherein the frame is provided with a fixing plate on both sides and the bottom side;
the two sliding plates are respectively movably connected with the fixed plates positioned on the two sides of the frame through a bolt and nut assembly;
the two brush wall components are movably connected with a fixing plate positioned at the bottom side of the frame through a bolt and nut component.
7. The integrated wall brushing device for a grooving machine as claimed in claim 5, wherein the wall brushing support is provided with three bristle bases arranged in parallel with each other.
8. The integrated slotter wall brushing device according to any one of claims 5 to 7, wherein the wall brushing assembly further comprises a mud scraper disposed below and parallel to the bristle base plate.
9. The integrated groover wall brushing device according to claim 8, wherein the wall brushing assembly further comprises a support plate disposed at a bottom of the wall brushing assembly for supporting the wall brushing assembly.
10. The integrated wall brushing device of the grooving machine according to claim 1, wherein the grab bucket is provided with a plurality of slurry overflow holes;
the wall brushing device further comprises a connecting plate, one end of the connecting plate is fixedly connected with the other end of the frame, and the other end of the connecting plate is connected with the grab bucket at the grout overflow hole through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011521331.1A CN112538878A (en) | 2020-12-21 | 2020-12-21 | Wall brushing device of integrated grooving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011521331.1A CN112538878A (en) | 2020-12-21 | 2020-12-21 | Wall brushing device of integrated grooving machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112538878A true CN112538878A (en) | 2021-03-23 |
Family
ID=75019441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011521331.1A Pending CN112538878A (en) | 2020-12-21 | 2020-12-21 | Wall brushing device of integrated grooving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112538878A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431487A (en) * | 2021-07-26 | 2021-09-24 | 中铁建工集团有限公司 | Underground continuous wall grooving construction device |
-
2020
- 2020-12-21 CN CN202011521331.1A patent/CN112538878A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431487A (en) * | 2021-07-26 | 2021-09-24 | 中铁建工集团有限公司 | Underground continuous wall grooving construction device |
| CN113431487B (en) * | 2021-07-26 | 2023-08-29 | 中铁建工集团有限公司 | Underground diaphragm wall grooving construction device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112538878A (en) | Wall brushing device of integrated grooving machine | |
| CN108608292A (en) | A kind of Construction of Civil Engineering metal sheet surface process equipment | |
| CN214219787U (en) | Wall brushing device of integrated grooving machine | |
| CN112523217A (en) | Wall brushing device and wall brushing method for underground continuous wall | |
| CN111535806B (en) | Coal mining system | |
| CN212561527U (en) | Novel wall brushing device for underground continuous wall | |
| CN210369288U (en) | Novel dredging equipment for cured sewer cement paste | |
| CN214169488U (en) | Assembled steel construction factory building support frame | |
| CN215101574U (en) | High-bearing single-beam portal crane | |
| CN214441295U (en) | Shield constructs quick-witted blade disc earth washing unit | |
| CN213221430U (en) | Raise dust suppression device for building engineering | |
| CN217651796U (en) | Wall brushing device for floor-connected wall joint | |
| CN218204392U (en) | Concrete pipe pile digging device | |
| CN102561403B (en) | Wall brushing method for underground continuous wall | |
| CN208009405U (en) | The remove device of the concrete and silt particle in I-shaped steel joint of diaphragm wall face to be poured | |
| CN220035518U (en) | Detachable H-shaped steel joint wall brushing device for rotary digging machine | |
| CN217289412U (en) | Mould cleaning device is used in production of concrete electric wire pole | |
| CN214219662U (en) | Wall brushing device for underground continuous wall | |
| CN212372403U (en) | Precast concrete prefab mould platform cleaning device | |
| CN220072503U (en) | Continuous wall belt cleaning device | |
| CN218714341U (en) | Prefabricated building structure | |
| CN217078910U (en) | Bulldozer blade structure assembly of crawler excavator | |
| CN212856887U (en) | Cleaning and maintaining device for lifting connecting rod of shield machine | |
| CN215160273U (en) | Lifting appliance for installing outer side template of prefabricated box girder | |
| CN217949186U (en) | Telescopic arm structure convenient to maintain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |