CN115853520A - Novel rock pipe jacking machine - Google Patents
Novel rock pipe jacking machine Download PDFInfo
- Publication number
- CN115853520A CN115853520A CN202211526941.XA CN202211526941A CN115853520A CN 115853520 A CN115853520 A CN 115853520A CN 202211526941 A CN202211526941 A CN 202211526941A CN 115853520 A CN115853520 A CN 115853520A
- Authority
- CN
- China
- Prior art keywords
- pipe
- base plate
- slide
- track
- groups
- 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
Landscapes
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a novel rock pipe jacking machine which comprises a moving pipe, hydraulic rods and a hydraulic oil cylinder, wherein the moving pipe is movably arranged on one side of the hydraulic oil cylinder, a plurality of groups of hydraulic rods are arranged between the moving pipe and the hydraulic oil cylinder, the moving pipe is driven by the hydraulic rods, a plurality of groups of splicing tracks are arranged on the lower part of the moving pipe, the splicing tracks and the moving pipe are respectively and movably connected through a first sliding seat and a second sliding seat, a moving base plate is fixedly arranged on the outer surface of one side of the hydraulic oil cylinder, two groups of fixed cones are movably arranged on the lower part of the moving base plate, and two groups of supporting blocks are movably arranged on the outer surface of the side edge of the moving base plate; utilize fixed awl and supporting shoe, can accomplish the fixed operation between removal base plate and the ground fast, required time when shortening the removal base plate and fixing and dismantling utilizes the setting of removing the base plate, and the use of fixed awl of cooperation and supporting shoe optimizes traditional supporting plate structure, promotes pipe push bench's tunnelling efficiency.
Description
Technical Field
The invention belongs to the technical field of push bench, and particularly relates to a novel rock push bench.
Background
The main structure of the pipe jacking unit comprises four parts, namely a main body part: mainly comprises two double-acting hydraulic oil cylinders. A hydraulic pump station: respectively provided with a diesel engine pump station and a motor pump station. A support plate: the function is to fix the machine and to support the pit wall. Ejector pin and pull head: the pipe jacking machine is mainly used for excavating and tunneling underground pipelines.
Patent document CN111520537A discloses a pipe jacking machine for burying a pipeline, which comprises a movable pipe, a fixed ring arranged on the movable pipe, at least two jacking devices and a cutting assembly arranged on the movable pipe; the cutting assembly comprises a cutting motor connected with the moving pipe and a cutting tool arranged on an output shaft of the cutting motor. When removing the pipe and removing the in-process and deflecting, select some jacking device to set up work, the output of jacking device stretches out and supports and remove the pipeline, and the jacking device receives the counter force of pipeline when supporting and removing the pipeline, because the jacking device is installed in solid fixed ring and also is removing on the pipe, consequently removes the pipe and receives the counter force of pipeline, because the quantity of jacking device is two or more, consequently according to removing the skew different jacking devices of the direction of predetermineeing the circuit of pipe selection.
When the push bench moves for a certain distance, the support plate structure of the push bench needs to be disassembled and moved, the support plate cannot move along with the push bench, so that the support plate installation operation needs to be repeated when the push bench moves for a certain distance, and the working efficiency of the push bench is reduced; secondly, when the traditional push bench is used, the laying operation of the tracks is required to be carried out according to the moving position of the push bench, and the traditional push bench does not have a quick assembly structure, so that the using effect of the push bench is reduced.
Disclosure of Invention
The invention aims to provide a novel rock push bench which can solve the existing problems.
The invention solves the problems that:
1. when the push bench is operated, the supporting plate plays a role in fixing the bench and supporting the pit wall when the push bench is used, after the push bench moves for a certain distance, the supporting plate structure needs to be disassembled and moved, the supporting plate cannot move along with the push bench, and the supporting plate installation operation needs to be repeated when the push bench moves for a certain distance, so that the working efficiency of the push bench is reduced;
2. when the traditional push bench is used, the laying operation of the tracks is required to be carried out according to the moving position of the push bench, the traditional push bench does not have a quick assembly structure, and the using effect of the push bench is reduced.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a new-type rock pipe pushing jack, is including removing pipe, hydraulic stem and hydraulic cylinder, remove pipe movable mounting in one side of hydraulic cylinder, it is equipped with a plurality of hydraulic stem groups to remove between pipe and the hydraulic cylinder, it passes through the hydraulic stem drive to remove the pipe, the lower part that removes the pipe is equipped with a plurality of concatenation tracks of group, and the concatenation track is through first slide and second slide swing joint respectively with removing between the pipe, first slide and second slide set up side by side, one side outer fixed surface of hydraulic cylinder installs the removal base plate, and the lower part movable mounting who removes the base plate has two sets of fixed cones, the side outer fixed surface movable mounting who removes the base plate has two sets of supporting shoes.
As a further technical scheme of the invention, the outer surfaces of the upper ends of the first sliding seat and the second sliding seat are respectively provided with an arc-shaped base used for fixing the movable pipe, the outer surfaces of one side of the first sliding seat and one side of the second sliding seat are respectively provided with two groups of inclined plane push blocks in a splicing mode, and when the first sliding seat and the second sliding seat move on the splicing track, the inclined plane push blocks can be used for cleaning the surface of the splicing track.
As a further technical scheme, splicing clamping grooves matched with inclined plane pushing blocks are formed in the side edges of the first sliding seat and the second sliding seat, the outer surface of the upper end of the arc-shaped base is of an arc-shaped structure, the outer surface of one end of each inclined plane pushing block is of an inclined plane structure, and the arc-shaped base plays an auxiliary fixing role in installation of the moving pipe.
As a further technical scheme, a plurality of groups of backing plates are fixedly mounted at the bottom of the splicing track, a plurality of groups of circular slots are arranged in the middle of the outer surface of one end of the splicing track, rectangular slots are arranged on two sides, close to the circular slots, of the outer surface of one end of the splicing track, the backing plates are arranged, the bottom of the splicing track is buffered and protected, and meanwhile the splicing track is prevented from inclining.
As a further technical scheme of the invention, a plurality of groups of butt joint inserting rods used for matching with circular slots are fixedly arranged in the middle of the outer surface of the other end of each splicing track, butt joint inserting plates are fixedly arranged on two sides, close to the butt joint inserting rods, of the other end of each splicing track, and the butt joint inserting plates and the rectangular slots as well as the butt joint between the butt joint inserting rods and the circular slots are matched with the fixation of bolts, so that the combination and fixation between the two groups of splicing tracks can be quickly completed.
According to a further technical scheme of the invention, a drilling machine for driving a fixed cone is arranged on the inner side of a movable substrate, the movable substrate and a supporting block are in butt joint through a sliding groove, a roller matched with a splicing track is arranged at the lower end of the movable substrate, when the push bench is used, the fixed cone and the supporting block are firstly used for fixing the movable substrate, when a hydraulic rod drives a movable pipe to move, the movable substrate plays a supporting role on one end of the hydraulic rod, so that the movable pipe can normally move, after the movable pipe moves for a certain distance, the fixed cone is driven by the drilling machine to be retracted to the inner side of the movable substrate, the supporting block is moved by the sliding groove, so that the supporting block is separated from the ground, the supporting block is fixed by a limiting mechanism, meanwhile, a first sliding seat and a second sliding seat are fixed by the limiting mechanism, the movable substrate is pulled to move by the hydraulic rod, and the fixed cone and the supporting block are used for fixing the movable pipe, so that the movable pipe can continuously move.
As a further technical scheme of the invention, the outer surface of one end of the moving pipe is movably provided with a crushing head, and the lower parts of the first sliding seat and the second sliding seat are respectively provided with a rolling shaft.
The invention has the beneficial effects that:
1. by arranging the movable base plate, when the novel rock push bench is used, the movable base plate can move along with the movable pipe, after the movable pipe moves for a certain distance, the hydraulic structure of the movable base plate is utilized to drive the movable base plate to move correspondingly, so that the time required by disassembling and installing the supporting plate is shortened, the push bench can carry out continuous operation, the working efficiency is improved, when in operation, the movable base plate is fixed by the fixed cone and the supporting block, when the hydraulic rod drives the movable pipe to move, the movable base plate plays a supporting role for one end of the hydraulic rod, so that the movable pipe can normally move, after the movable pipe moves for a certain distance, the fixed cone is driven by the drilling machine to be retracted to the inner side of the movable base plate, the supporting block is moved by the sliding groove, so that the supporting block is separated from the ground, utilize stop gear to fix the supporting shoe, utilize stop gear to fix first slide and second slide simultaneously, make and be in the stationary state between removal pipe and the concatenation track, utilize hydraulic stem pulling removal base plate to remove, make and remove the base plate and remove the certain distance, utilize fixed awl and supporting shoe to fix it, make and remove the base plate cooperation and remove the pipe and do the simultaneous movement operation, conveniently remove the pipe continuous drilling and remove, utilize fixed awl and supporting shoe, can accomplish the fixed operation between removal base plate and the ground fast, required time when shortening removal base plate is fixed and dismantlement, utilize the setting of removal base plate, the use of cooperation fixed awl and supporting shoe, make this new-type rock push bench have the simultaneous movement bearing structure, optimize traditional supporting plate structure, promote push bench's tunnelling efficiency.
2. Through setting up concatenation track and inclined plane ejector pad, when this new-type rock push bench uses, can be according to the distance of push bench, accomplish the operation of installing additional of concatenation track fast, the use of cooperation removal base plate, make the push bench can carry out incessant tunnelling operation, in operation, when hydraulic stem pulling removal base plate, part concatenation track shifts out from removing the base plate lower part, dismantle back with this part concatenation track, utilize butt joint picture peg and rectangle slot and the butt joint between butt joint picture peg and the circular slot, the fixing of cooperation bolt, can accomplish the combination between two sets of concatenation tracks fast and fix, install the removal direction at the removal pipe with the concatenation track of dismantling, can be when removing the pipe and remove, accomplish the orbital installation operation of concatenation fast, simultaneously when first slide and second slide move on the concatenation track, utilize the inclined plane ejector pad can play the clearance effect to the orbital surface of concatenation, through setting up concatenation track and inclined plane ejector pad, can cooperate the removal base plate to use, make things convenient for machine continuous operation, promote its result of use.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of a new rock pipe jacking machine of the present invention;
FIG. 2 is an overall structure diagram of a movable base plate in the novel rock pipe jacking machine of the invention;
FIG. 3 is an overall structure diagram of a spliced track in a novel rock pipe jacking machine of the invention;
fig. 4 is an overall structure diagram of a first sliding seat in the novel rock pipe jacking machine.
In the figure: 1. splicing the rails; 2. a first slider; 3. a second slide carriage; 4. a crushing head; 5. moving the tube; 6. a hydraulic lever; 7. a hydraulic cylinder; 8. moving the substrate; 9. a fixed cone; 10. a support block; 11. a drilling machine; 12. a roller; 13. butting the inserted rods; 14. butting plug boards; 15. a base plate; 16. a circular slot; 17. a rectangular slot; 18. an inclined plane push block; 19. splicing the clamping grooves; 20. an arc-shaped base.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-4, a novel rock push bench comprises a movable pipe 5, hydraulic rods 6 and hydraulic cylinders 7, wherein the movable pipe 5 is movably mounted on one side of the hydraulic cylinders 7, a plurality of groups of hydraulic rods 6 are arranged between the movable pipe 5 and the hydraulic cylinders 7, the movable pipe 5 is driven by the hydraulic rods 6, a plurality of groups of splicing tracks 1 are arranged on the lower portion of the movable pipe 5, the splicing tracks 1 are movably connected with the movable pipe 5 through first sliding seats 2 and second sliding seats 3 respectively, the first sliding seats 2 and the second sliding seats 3 are arranged side by side, a movable base plate 8 is fixedly mounted on the outer surface of one side of the hydraulic cylinders 7, two groups of fixed cones 9 are movably mounted on the lower portion of the movable base plate 8, and two groups of supporting blocks 10 are movably mounted on the outer surface of the side edge of the movable base plate 8.
The outer surface of the upper end of the first sliding seat 2 and the second sliding seat 3 is provided with an arc-shaped base 20 for fixing the moving pipe 5, the outer surface of one side of the first sliding seat 2 and the second sliding seat 3 is provided with two groups of inclined plane push blocks 18 in a splicing mode, and when the first sliding seat 2 and the second sliding seat 3 move on the splicing track 1, the inclined plane push blocks 18 can be used for cleaning the surface of the splicing track 1.
The side edges of the first sliding seat 2 and the second sliding seat 3 are respectively provided with a splicing clamping groove 19 matched with the inclined plane push block 18 for use, the outer surface of the upper end of the arc-shaped base 20 is of an arc-shaped structure, the outer surface of one end of the inclined plane push block 18 is of an inclined plane structure, and the arc-shaped base 20 plays a role in assisting in fixing the installation of the moving pipe 5.
The bottom fixed mounting of concatenation track 1 has a plurality of groups backing plate 15, and the one end surface middle part position of concatenation track 1 is equipped with a plurality of groups circular slot 16, and the one end surface of concatenation track 1 all is equipped with rectangle slot 17 near the both sides of circular slot 16, utilizes the setting of backing plate 15, plays the buffering guard action to the bottom of concatenation track 1, avoids concatenation track 1 to appear the slope phenomenon simultaneously.
The butt joint inserted bar 13 that a plurality of groups match circular slot 16 and use is installed to the other end surface middle part position fixed mounting of concatenation track 1, the equal fixed mounting in both sides that the other end of concatenation track 1 is close to butt joint inserted bar 13 has butt joint picture peg 14, utilize butt joint picture peg 14 and rectangle slot 17 and the butt joint between butt joint inserted bar 13 and the circular slot 16, the fixed of cooperation bolt, it is fixed to accomplish the combination between two sets of concatenation tracks 1 fast, when removing pipe 5 and removing, the cooperation removes the following removal of base plate 8 and uses, can accomplish the installation operation of concatenation track 1 fast in the moving direction that removes pipe 5.
The inboard of removal base plate 8 is equipped with the rig 11 that is used for driving fixed awl 9, dock through the spout between removal base plate 8 and the supporting shoe 10, the lower extreme of removal base plate 8 is equipped with the gyro wheel 12 that cooperation concatenation track 1 used, when the push bench uses, utilize fixed awl 9 and supporting shoe 10 to fix removal base plate 8 earlier, when hydraulic stem 6 drive removal pipe 5 removed, removal base plate 8 plays the supporting role to the one end of hydraulic stem 6, make removal pipe 5 can normally remove, after removal pipe 5 removed a section distance, utilize rig 11 drive fixed awl 9, make fixed awl 9 withdraw to the inboard of removal base plate 8, utilize the spout to remove the supporting shoe 10, make separation between supporting shoe 10 and the ground, utilize stop gear to fix supporting shoe 10, utilize stop gear fixed first slide 2 and second slide 3 simultaneously, utilize hydraulic stem 6 pulling removal base plate 8 to remove, fixing it to utilize fixed awl 9 and supporting shoe 10 to fix, make things convenient for the continuous movement of drilling pipe 5.
The outer surface of one end of the movable pipe 5 is movably provided with a crushing head 4, and the lower parts of the first sliding seat 2 and the second sliding seat 3 are both provided with rolling shafts.
The novel rock push bench is characterized in that a movable substrate 8 is arranged, when the novel rock push bench is used, the movable substrate 8 can move along with a movable pipe 5, after the movable pipe 5 moves for a certain distance, the movable substrate 8 is driven by a hydraulic structure of the movable substrate 8, the movable substrate 8 moves correspondingly, a traditional support plate is replaced by the movable substrate 8, so that the time required by dismounting and mounting of the support plate is shortened, the push bench can operate continuously, the working efficiency of the push bench is improved, when the movable pipe 5 is operated, the movable substrate 8 is fixed by the aid of a fixed cone 9 and the support block 10, when the movable pipe 5 is driven by a hydraulic rod 6, the movable substrate 8 supports one end of the hydraulic rod 6, the movable pipe 5 can move normally, after the movable pipe 5 moves for a certain distance, the fixed cone 9 is driven by a drilling machine 11, the fixed cone 9 is retracted to the inner side of the movable substrate 8, when the movable pipe 5 is moved by the sliding groove, the movable substrate 10 is separated from the ground, the support block 10 is fixed by the limit mechanism, the first sliding seat 2 and the second sliding seat 1 are in a fixed splicing state, the fixed rail, the movable substrate 5 and the movable substrate 8 are in a synchronous manner, the movable substrate 8 is matched with the movable substrate, the movable substrate 8, and the movable pipe 8, and the movable substrate can be conveniently detached by the ground, the traditional supporting plate structure is optimized, and the tunneling efficiency of the pipe jacking machine is improved;
through setting up concatenation track 1 and inclined plane ejector pad 18, when this new-type rock push bench uses, can be according to the distance of push bench, the additional installation operation of concatenation track 1 is accomplished fast, the use of cooperation removal base plate 8, make removal pipe 5 machine can carry out incessant tunnelling operation, in operation, when hydraulic stem 6 pulling removal base plate 8, part concatenation track 1 shifts out from removing base plate 8 lower part, dismantle this part concatenation track 1 back, utilize butt joint picture peg 14 and rectangle slot 17 and the butt joint between butt joint picture peg 13 and the circular slot 16, the fixed of cooperation bolt, can accomplish the combination between two sets of concatenation track 1 fast and fix, install the concatenation track 1 of dismantling in the moving direction of removal pipe 5, can be when removal pipe 5 removes, the installation operation of concatenation track 1 is accomplished fast, simultaneously when first slide 2 and second slide 3 move on concatenation track 1, utilize inclined plane ejector pad 18 can play concatenation clearance effect to the surface of concatenation track 1, through setting up concatenation track 1 and ejector pad 18, can cooperate removal base plate 8 to use, the convenience is removed, its continuous operation effect promotes.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a new-type rock push bench, is including removing pipe (5), hydraulic stem (6) and hydraulic cylinder (7), remove pipe (5) movable mounting in one side of hydraulic cylinder (7), it is equipped with a plurality of hydraulic stem (6) of group to remove between pipe (5) and hydraulic cylinder (7), it drives through hydraulic stem (6) to remove pipe (5), a serial communication port, the lower part that removes pipe (5) is equipped with a plurality of groups concatenation track (1), and the concatenation track (1) and remove between pipe (5) respectively through first slide (2) and second slide (3) swing joint, first slide (2) and second slide (3) set up side by side, one side surface fixed mounting of hydraulic cylinder (7) has removal base plate (8), and the lower part movable mounting that removes base plate (8) has two sets of fixed cones (9), the side surface movable mounting of removal base plate (8) has two sets of supporting shoe (10).
2. The novel rock pipe jacking machine as claimed in claim 1, wherein the outer surfaces of the upper ends of the first sliding base (2) and the second sliding base (3) are respectively provided with an arc-shaped base (20) for fixing the movable pipe (5), and two groups of inclined push blocks (18) are respectively spliced and mounted on the outer surfaces of one side of the first sliding base (2) and one side of the second sliding base (3).
3. The novel rock push bench according to claim 2, characterized in that the side edges of the first slide (2) and the second slide (3) are provided with splicing slots (19) used in cooperation with the inclined push block (18), the outer surface of the upper end of the arc base (20) is of an arc structure, and the outer surface of one end of the inclined push block (18) is of an inclined structure.
4. The novel rock pipe jacking machine as claimed in claim 1, wherein a plurality of groups of backing plates (15) are fixedly installed at the bottom of the splicing track (1), a plurality of groups of circular slots (16) are arranged in the middle of the outer surface of one end of the splicing track (1), and rectangular slots (17) are arranged on two sides of the outer surface of one end of the splicing track (1) close to the circular slots (16).
5. The novel rock pipe jacking machine as claimed in claim 1, wherein a plurality of pairs of butt-joint insertion rods (13) used for matching with the circular slots (16) are fixedly arranged in the middle of the outer surface of the other end of the splicing track (1), and butt-joint insertion plates (14) are fixedly arranged on both sides of the other end of the splicing track (1) close to the butt-joint insertion rods (13).
6. The new rock pipe jacking machine as claimed in claim 1, characterized in that the inner side of said moving base plate (8) is provided with a drilling machine (11) for driving the fixed cone (9), said moving base plate (8) and the supporting block (10) are butted by a chute, and the lower end of said moving base plate (8) is provided with a roller (12) for matching with the splicing track (1).
7. The new rock pipe push bench as claimed in claim 1, characterized in that the outer surface of one end of the moving pipe (5) is movably mounted with a crushing head (4), and the lower parts of the first slide (2) and the second slide (3) are provided with rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211526941.XA CN115853520A (en) | 2022-11-30 | 2022-11-30 | Novel rock pipe jacking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211526941.XA CN115853520A (en) | 2022-11-30 | 2022-11-30 | Novel rock pipe jacking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115853520A true CN115853520A (en) | 2023-03-28 |
Family
ID=85668663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211526941.XA Pending CN115853520A (en) | 2022-11-30 | 2022-11-30 | Novel rock pipe jacking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115853520A (en) |
-
2022
- 2022-11-30 CN CN202211526941.XA patent/CN115853520A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109339811B (en) | Tunnel boring machine backspacing dismounting method | |
| CN108678666B (en) | Multifunctional drilling machine and pipe shed mounting device | |
| CN110145639B (en) | Novel guide rail for rapidly assembling head of pipe jacking machine by replacing pipe jacking machine in relay well | |
| CN110440052B (en) | Movable smooth jacking mechanism for pipe jacking construction | |
| CN215949518U (en) | Hard rock tunnel boring machine and assembling machine for boring machine | |
| CN115853520A (en) | Novel rock pipe jacking machine | |
| CN113431597A (en) | Construction method for ultra-large diameter circular reinforced concrete pipe soil pressure balance jacking pipe | |
| CN110118097B (en) | Backpack type fully-mechanized roadway temporary support equipment and application thereof | |
| CN103256048A (en) | Mining method of coal drilling unit for comprehensive mechanized coal mining | |
| CN111720133B (en) | Supporting device and shield tunneling equipment | |
| JP4698459B2 (en) | Construction method for underground structures | |
| CN114508304A (en) | Site drilling equipment for engineering geological investigation | |
| CN210509229U (en) | Automatic circulating steel belt laying device for digging and supporting anchor combined unit | |
| CN110130966B (en) | Separated comprehensive tunnel temporary support equipment and application thereof | |
| CN111255496B (en) | Coal pillar auxiliary type mining advanced temporary support device and using method thereof | |
| CN110566245B (en) | Automatic circulating steel belt laying device and method for excavating, supporting and anchoring combined unit | |
| CN214118187U (en) | Isolation rolling plate rolling and paving mechanism used in bridge type shield construction | |
| CN215927399U (en) | Slide formula TBM stepping device | |
| CN115614050B (en) | Shield air-pushing equipment and construction method thereof | |
| CN220923014U (en) | Device for enabling belt to quickly enter vulcanization platform | |
| CN110206486B (en) | Multi-stage folding drill rod fixing device of tunnel drilling machine | |
| CN220600642U (en) | Horizontal adjustable push bench for municipal construction | |
| CN220849670U (en) | Steel frame for shield machine | |
| CN118065460B (en) | Soft soil foundation excavation device | |
| CN219827941U (en) | Temporary pipe jacking reinforcing device |
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 |