CN114603173A - Radial drilling machine for steel structure production - Google Patents

Radial drilling machine for steel structure production Download PDF

Info

Publication number
CN114603173A
CN114603173A CN202210360968.XA CN202210360968A CN114603173A CN 114603173 A CN114603173 A CN 114603173A CN 202210360968 A CN202210360968 A CN 202210360968A CN 114603173 A CN114603173 A CN 114603173A
Authority
CN
China
Prior art keywords
fixedly connected
threaded
base
screw
drilling machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210360968.XA
Other languages
Chinese (zh)
Inventor
隆伟祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baicun Steel Structure Chongqing Co ltd
Original Assignee
Baicun Steel Structure Chongqing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baicun Steel Structure Chongqing Co ltd filed Critical Baicun Steel Structure Chongqing Co ltd
Priority to CN202210360968.XA priority Critical patent/CN114603173A/en
Publication of CN114603173A publication Critical patent/CN114603173A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B39/00General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/12Radial drilling machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/34Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention discloses a radial drilling machine for steel structure production, which belongs to the technical field of steel structures and comprises a base, wherein the inner wall of the base is fixedly connected with a shell, the inner wall of the shell is rotatably connected with two first threaded screws, the peripheral side surfaces of the two first threaded screws are respectively in threaded connection with two placing frames, the side surfaces of the base and the shell are respectively and fixedly connected with first driving motors, one ends of output shafts of the two first driving motors are respectively and fixedly connected with the first threaded screws in corresponding positions, the inner wall of the base is rotatably connected with second threaded screws, and the peripheral side surfaces of the second threaded screws are in threaded connection with two moving plates. The invention aims to provide a radial drilling machine for producing a steel structure, which aims to solve the problem that the practicability of the device is poor because a steel plate is usually placed on a workbench surface below a drill bit when the conventional radial drilling machine is used, the workbench surface is flat, and the drill bit is inconvenient to punch through holes in the steel plate after the steel plate is placed on the workbench surface.

Description

Radial drilling machine for steel structure production
Technical Field
The invention relates to the technical field of steel structures, in particular to a radial drilling machine for steel structure production.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises beam steel, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because of its light dead weight, and construction is simple and convenient, widely apply to fields such as large-scale factory building, venue, superelevation layer.
At the in-process of driling the steel sheet, need use radial drill, current radial drill is when using, all places the steel sheet on the table surface of drill bit below usually, and table surface is flat, and the steel sheet is placed above that after, the drill bit is not convenient for beat the through hole to the steel sheet to the practicality that leads to the device is relatively poor. Based on the technical scheme, the invention designs the radial drilling machine for producing the steel structure, and aims to solve the problems.
Disclosure of Invention
The invention aims to provide a radial drilling machine for producing a steel structure, which aims to solve the problem that the prior radial drilling machine proposed in the background technology is poor in practicability because a steel plate is usually placed on a workbench surface below a drill bit, the workbench surface is flat, and the drill bit is inconvenient for drilling through holes in the steel plate after the steel plate is placed on the workbench surface.
In order to achieve the purpose, the invention provides the following technical scheme: a radial drilling machine for steel structure production comprises a base, wherein a shell is fixedly connected to the inner wall of the base, two first threaded screws are rotatably connected to the inner wall of the shell, two placing racks are respectively and fixedly connected to the circumferential side surfaces of the two first threaded screws in a threaded manner, first driving motors are respectively and fixedly connected to the side surfaces of the base and the shell, one ends of output shafts of the two first driving motors are respectively and fixedly connected with the first threaded screws in corresponding positions, a second threaded screw is rotatably connected to the inner wall of the base, two moving plates are respectively and fixedly connected to the circumferential side surfaces of the second threaded screw in a threaded manner, the bottom surfaces of the moving plates are in sliding fit with the base, one surface of each moving plate is fixedly connected with a group of connecting rods, one ends of the group of connecting rods are fixedly connected with a clamping plate, the side surface of the base is fixedly connected with a second driving motor, and one end of an output shaft of the second driving motor is fixedly connected with the second threaded screw, the base inner wall rotates and is connected with third screw lead screw, third screw lead screw week side threaded connection has the carriage, the carriage inner wall rotates and is connected with fourth screw lead screw, fourth screw lead screw week side threaded connection has the crane, the crane inner wall rotates and is connected with fifth screw lead screw, fifth screw lead screw week side threaded connection has the regulating block, regulating block bottom surface fixedly connected with drilling machine.
Preferably, the first threaded screw rod and the second threaded screw rod are provided with a positive thread portion and a reverse thread portion which are distributed in a central symmetry mode on the peripheral side face, the two placing frames are in threaded connection with the positive thread portion and the reverse thread portion of the first threaded screw rod respectively, and the two moving plates are in threaded connection with the positive thread portion and the reverse thread portion of the second threaded screw rod respectively.
Preferably, one end of the third threaded screw rod is fixedly connected with a connecting rod, and one end of the connecting rod is fixedly connected with a swing arm.
Preferably, the top surface of the placing rack is provided with anti-skidding textures, the inner wall of the shell is fixedly connected with two sets of limiting rods, and each side face of the periphery of each limiting rod is in sliding fit with the placing rack in a corresponding position.
Preferably, the inner wall of the base is fixedly connected with two guide rods, and the peripheral side surfaces of the two guide rods are in sliding fit with the moving plate.
Preferably, the top surface of the sliding frame is fixedly connected with a third driving motor, one end of an output shaft of the third driving motor is fixedly connected with a fourth threaded screw rod, the side surface of the lifting seat is fixedly connected with a fourth driving motor, and one end of an output shaft of the fourth driving motor is fixedly connected with a fifth threaded screw rod.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the design of the first threaded screw rod and the placing frames, the first driving motor is utilized to drive the first threaded screw rod to rotate, the first threaded screw rod drives the two placing frames to be close to or away from each other, so that the distance between the placing frames is basically consistent with the length and width of the steel plate, the steel plate can be placed on the placing frames, the placing frames are positioned at the edge positions of four edges of the steel plate, and as the four placing frames are positioned at the edge positions of the steel plate, when the through holes are required to be punched on the steel plate, the through holes can not be blocked, the through holes can be punched quickly, compared with the prior art, the steel plate is placed on a working table top below a drill bit, and the working table top is flat, after the steel plate is placed on the placing frames, the drill bit is not convenient for punching the through holes on the steel plate, and the device has stronger practicability;
2. according to the invention, through the design of the second threaded screw rod, the movable plates and the clamping plates, the second driving motor drives the second threaded screw rod to rotate, the second threaded screw rod drives the two movable plates to move, and the movable plates drive the two clamping plates to approach each other, so that the steel plates are clamped and fixed from two sides, the steel plates are prevented from being displaced in the drilling process to influence the drilling effect, and the adjustment of the spacing between the clamping plates enables the device to fix the steel plates with different sizes, so that the applicability of the device is obviously improved;
3. according to the invention, through the design of the third threaded screw rod, the fourth threaded screw rod and the fifth threaded screw rod, the third threaded screw rod, the fourth threaded screw rod and the fifth threaded screw rod are adjusted through the swing arm, the third driving motor and the fourth driving motor, so that the position of the drilling machine is adjusted in all directions, and the device is convenient for drilling.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a cross-sectional view of another section of FIG. 1;
FIG. 4 is a schematic structural diagram of the housing, the first threaded screw and the placing frame;
FIG. 5 is a schematic structural view of a second threaded screw, a moving plate, a connecting rod and a clamping plate;
fig. 6 is a schematic structural diagram of a third threaded screw rod, a sliding frame, a fourth threaded screw rod, a lifting frame, a fifth threaded screw rod, an adjusting block and a drilling machine.
In the drawings, the components represented by the respective reference numerals are listed below:
1-base, 2-shell, 3-first threaded screw rod, 4-placing rack, 5-second threaded screw rod, 6-moving plate, 7-connecting rod, 8-clamping plate, 9-third threaded screw rod, 10-sliding rack, 11-fourth threaded screw rod, 12-lifting rack, 13-fifth threaded screw rod, 14-adjusting block, 15-drilling machine, 16-swing arm, 17-limiting rod and 18-guide rod.
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 by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a radial drilling machine for steel structure production comprises a base 1, wherein a shell 2 is fixedly connected to the inner wall of the base 1, two first threaded lead screws 3 are rotatably connected to the inner wall of the shell 2, two placing frames 4 are respectively in threaded connection with the peripheral sides of the two first threaded lead screws 3, anti-skid textures are arranged on the top surfaces of the placing frames 4, first driving motors are respectively and fixedly connected to the side surfaces of the base 1 and the shell 2, one ends of output shafts of the two first driving motors are respectively and fixedly connected with the first threaded lead screws 3 in corresponding positions, a second threaded lead screw 5 is rotatably connected to the inner wall of the base 1, two moving plates 6 are respectively in threaded connection with the peripheral sides of the second threaded lead screw 5, the bottom surfaces of the moving plates 6 are in sliding fit with the base 1, one surface of each moving plate 6 is fixedly connected with a group of connecting rods 7, one end of each group of connecting rods 7 is fixedly connected with a clamping plate 8, the side surface of the base 1 is fixedly connected with a second driving motor, one end of an output shaft of the second driving motor is fixedly connected with the second threaded lead screw 5, the inner wall of the base 1 is rotatably connected with a third threaded screw rod 9, one end of the third threaded screw rod 9 is fixedly connected with a connecting rod 7, one end of the connecting rod 7 is fixedly connected with a swing arm 16, the peripheral side of the third threaded screw rod 9 is in threaded connection with a sliding frame 10, the inner wall of the sliding frame 10 is rotatably connected with a fourth threaded screw rod 11, the peripheral side of the fourth threaded screw rod 11 is in threaded connection with a lifting frame 12, the inner wall of the lifting frame 12 is rotatably connected with a fifth threaded screw rod 13, the peripheral side of the fifth threaded screw rod 13 is in threaded connection with an adjusting block 14, and the bottom surface of the adjusting block 14 is fixedly connected with a drilling machine 15.
As shown in fig. 4 and 5, the first screw mandrel 3 and the second screw mandrel 5 are provided with a positive thread portion and a reverse thread portion on the peripheral side surface, which are distributed in a central symmetry manner, the two racks 4 are respectively in threaded connection with the positive thread portion and the reverse thread portion of the first screw mandrel 3, and the two moving plates 6 are respectively in threaded connection with the positive thread portion and the reverse thread portion of the second screw mandrel 5.
As shown in fig. 4 and 5, two sets of limiting rods 17 are fixedly connected to the inner wall of the housing 2, the circumferential side surface of each limiting rod 17 is in sliding fit with the corresponding placement rack 4, two guide rods 18 are fixedly connected to the inner wall of the base 1, and the circumferential side surfaces of the two guide rods 18 are in sliding fit with the moving plate 6.
As shown in fig. 6, a third driving motor is fixedly connected to the top surface of the carriage 10, one end of an output shaft of the third driving motor is fixedly connected to the fourth threaded screw rod 11, a fourth driving motor is fixedly connected to the side surface of the lifting seat, and one end of an output shaft of the fourth driving motor is fixedly connected to the fifth threaded screw rod 13.
Firstly, according to the length and width of the steel plate, a first driving motor is started, the first driving motor drives a first threaded screw rod 3 to rotate, the first threaded screw rod 3 drives two placing racks 4 to mutually approach or separate, so that the distance between the placing racks 4 is basically consistent with the length and width of the steel plate, and then, the steel plate is placed on the placing frame 4, the placing frame 4 is positioned at the edge position of four sides of the steel plate, and then, a second driving motor is started, the second driving motor drives a second threaded screw rod 5 to rotate, the second threaded screw rod 5 drives two moving plates 6 to move, the moving plates 6 drive two clamping plates 8 to approach each other, thereby clamping and fixing the steel plate from two sides, avoiding the steel plate from displacing in the drilling process and influencing the drilling effect, the distance between the clamping plates 8 is adjusted, so that the device can fix various steel plates with different sizes, and the applicability of the device is obviously improved; subsequently, the third threaded screw 9, the fourth threaded screw 11 and the fifth threaded screw 13 are adjusted through the swing arm, the third driving motor and the fourth driving motor, so that the position of the drilling machine 15 is adjusted in all directions, and a steel plate is drilled; because of rack 4 is located the border position on four limits of steel sheet, when needs beat the through hole to the steel sheet, can not receive the hindrance, can beat the through hole fast, compare in current, place the steel sheet on the table surface of drill bit below, and table surface is flat, and the steel sheet is placed after above, and the drill bit is not convenient for beat the condition of through hole to the steel sheet, and the practicality of this device is stronger.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The radial drilling machine for steel structure production comprises a base (1) and is characterized in that a shell (2) is fixedly connected to the inner wall of the base (1), two first threaded screws (3) are rotatably connected to the inner wall of the shell (2), two first threaded screws (3) are circumferentially and uniformly in threaded connection with two placing frames (4), first driving motors are fixedly connected to the side faces of the base (1) and the side face of the shell (2), one ends of output shafts of the two first driving motors are fixedly connected with the first threaded screws (3) in corresponding positions respectively, a second threaded screw (5) is rotatably connected to the inner wall of the base (1), two second threaded screws (5) are circumferentially and rotatably connected with two connecting rods (6), the bottom face of the movable plate (6) is in sliding fit with the movable plate (1) of the base, and one surface of the movable plate (6) is fixedly connected with a group of connecting rods (7), one set of connecting rod (7) one end fixedly connected with splint (8), base (1) side fixedly connected with second driving motor, the one end and second screw lead screw (5) fixed connection of second driving motor output shaft, base (1) inner wall rotates and is connected with third screw lead screw (9), side screw thread connection all around of third screw lead screw (9) has carriage (10), carriage (10) inner wall rotates and is connected with fourth screw lead screw (11), side screw thread connection all around of fourth screw lead screw (11) has crane (12), crane (12) inner wall rotates and is connected with fifth screw lead screw (13), side screw thread connection all around of fifth screw lead screw (13) has regulating block (14), regulating block (14) bottom surface fixedly connected with drilling machine (15).
2. The radial drilling machine for producing the steel structure of claim 1, wherein: the periphery of the first threaded screw rod (3) and the periphery of the second threaded screw rod (5) are provided with a forward threaded part and a reverse threaded part which are distributed in a central symmetry mode, the placing frame (4) is in threaded connection with the forward threaded part and the reverse threaded part of the first threaded screw rod (3) respectively, and the moving plate (6) is in threaded connection with the forward threaded part and the reverse threaded part of the second threaded screw rod (5) respectively.
3. The radial drilling machine for producing the steel structure of claim 1, wherein: one end of the third threaded screw rod (9) is fixedly connected with a connecting rod (7), and one end of the connecting rod (7) is fixedly connected with a swing arm (16).
4. The radial drilling machine for producing the steel structure of claim 1, wherein: the anti-skidding structure is arranged on the top surface of the placing frame (4), two sets of limiting rods (17) are fixedly connected to the inner wall of the shell (2), and each side surface of each limiting rod (17) is in sliding fit with the placing frame (4) corresponding to the corresponding position.
5. The radial drilling machine for producing the steel structure of claim 1, wherein: the inner wall of the base (1) is fixedly connected with two guide rods (18), and the peripheral side faces of the two guide rods (18) are in sliding fit with the moving plate (6).
6. The radial drilling machine for producing the steel structure of claim 1, wherein: the top surface of the sliding frame (10) is fixedly connected with a third driving motor, one end of an output shaft of the third driving motor is fixedly connected with a fourth threaded screw rod (11), the side surface of the lifting seat is fixedly connected with a fourth driving motor, and one end of an output shaft of the fourth driving motor is fixedly connected with a fifth threaded screw rod (13).
CN202210360968.XA 2022-04-07 2022-04-07 Radial drilling machine for steel structure production Pending CN114603173A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210360968.XA CN114603173A (en) 2022-04-07 2022-04-07 Radial drilling machine for steel structure production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210360968.XA CN114603173A (en) 2022-04-07 2022-04-07 Radial drilling machine for steel structure production

Publications (1)

Publication Number Publication Date
CN114603173A true CN114603173A (en) 2022-06-10

Family

ID=81870072

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210360968.XA Pending CN114603173A (en) 2022-04-07 2022-04-07 Radial drilling machine for steel structure production

Country Status (1)

Country Link
CN (1) CN114603173A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207344158U (en) * 2017-08-29 2018-05-11 中山麦迪克机电设备有限公司 A kind of platen face of adjustable size
CN212825337U (en) * 2020-08-29 2021-03-30 河北快航新材料科技有限公司 Rack for metal ingot mold
CN214489730U (en) * 2021-03-18 2021-10-26 哈尔滨格领科技有限公司 Universal size-adjustable rapid plane milling tool
CN113977117A (en) * 2021-11-15 2022-01-28 深圳市申凯电子有限公司 PCB laser marking positioning device
WO2022032929A1 (en) * 2020-08-11 2022-02-17 苏州海凌达电子科技有限公司 Drilling device for electronic component production

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207344158U (en) * 2017-08-29 2018-05-11 中山麦迪克机电设备有限公司 A kind of platen face of adjustable size
WO2022032929A1 (en) * 2020-08-11 2022-02-17 苏州海凌达电子科技有限公司 Drilling device for electronic component production
CN212825337U (en) * 2020-08-29 2021-03-30 河北快航新材料科技有限公司 Rack for metal ingot mold
CN214489730U (en) * 2021-03-18 2021-10-26 哈尔滨格领科技有限公司 Universal size-adjustable rapid plane milling tool
CN113977117A (en) * 2021-11-15 2022-01-28 深圳市申凯电子有限公司 PCB laser marking positioning device

Similar Documents

Publication Publication Date Title
CN210387666U (en) Frame for precision sheet metal machining
CN212634799U (en) H-shaped steel assembling machine
CN210413626U (en) Anchor clamps are used in digit control machine tool processing
CN209737342U (en) Clamp for mold production and machining
CN114603173A (en) Radial drilling machine for steel structure production
CN214786001U (en) Template anchor clamps for construction
CN211219237U (en) Positioning fixture for micro-spraying belt laser drilling machine
CN212384667U (en) Perforating device is used in petrochemical plant
CN211135771U (en) Aluminum mould frame fluting device
CN210857536U (en) Connecting structure of building frame
CN213079615U (en) Correction press with ring expansion function
CN102794652B (en) Door frame strip column clamping device
CN213703137U (en) Aluminum alloy forging shape anchor clamps of preapring for an unfavorable turn of events
CN111975036A (en) Steel structure connecting piece system of processing
CN215509236U (en) Clamping device for steel structure machining
CN210938207U (en) CNC adds clamping apparatus
CN217371451U (en) Drilling equipment is used in machine part processing convenient to adjust
CN216881515U (en) Special fixture for stud production
CN217493505U (en) Rotary hydraulic clamp for generator support
CN220942563U (en) Positioning tool for nonferrous metal rolled piece
CN212219634U (en) High-efficient type printing laminating machine
CN218170975U (en) Double-sided punching silicon electrode processing jig
CN212898317U (en) Efficiency-improving reamer
CN218533560U (en) Drilling station for machining steel structure fittings
CN108252506B (en) A kind of fixation device of the locating rod on scaffold suspension I-beam

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