CN110978916A - Hard dragging structure for traction of fault logistics vehicle - Google Patents

Hard dragging structure for traction of fault logistics vehicle Download PDF

Info

Publication number
CN110978916A
CN110978916A CN201911279845.8A CN201911279845A CN110978916A CN 110978916 A CN110978916 A CN 110978916A CN 201911279845 A CN201911279845 A CN 201911279845A CN 110978916 A CN110978916 A CN 110978916A
Authority
CN
China
Prior art keywords
towing
frame
universal joint
fixedly connected
hard
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
CN201911279845.8A
Other languages
Chinese (zh)
Inventor
郭朝
唐航
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.)
Tianjin Hengtian New Energy Automobile Research Institute Co ltd
Original Assignee
Tianjin Hengtian New Energy Automobile Research Institute 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 Tianjin Hengtian New Energy Automobile Research Institute Co ltd filed Critical Tianjin Hengtian New Energy Automobile Research Institute Co ltd
Priority to CN201911279845.8A priority Critical patent/CN110978916A/en
Publication of CN110978916A publication Critical patent/CN110978916A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60DVEHICLE CONNECTIONS
    • B60D1/00Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/14Draw-gear or towing devices characterised by their type
    • B60D1/145Draw-gear or towing devices characterised by their type consisting of an elongated single bar or tube
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60DVEHICLE CONNECTIONS
    • B60D1/00Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/14Draw-gear or towing devices characterised by their type
    • B60D1/143Draw-gear or towing devices characterised by their type characterised by the mounting of the draw-gear on the towed vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60DVEHICLE CONNECTIONS
    • B60D1/00Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/24Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60DVEHICLE CONNECTIONS
    • B60D1/00Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/48Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
    • B60D1/483Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting adapted for being mounted to the side of a vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention discloses a hard towing structure for towing a fault logistics vehicle, which comprises a towing vehicle rear frame and a towed vehicle front frame, wherein two sides of the towing vehicle rear frame are fixedly connected with a connecting frame through fastening bolts, one side of the connecting frame is fixedly connected with a rear end universal joint through a first bolt structure, and one side of the rear end universal joint far away from the first bolt structure is fixedly connected with a first transmission shaft. The hard dragging structure for dragging the fault logistics vehicle can well solve the problem that the existing method for dragging the fault logistics vehicle is too high in cost, the soft rope is used for dragging, the soft rope is very easy to be drawn into the vehicle bottom to cause two vehicles to collide when the vehicle turns or the front vehicle is subjected to emergency braking, and the problem of too much danger is solved.

Description

Hard dragging structure for traction of fault logistics vehicle
Technical Field
The invention relates to the technical field of vehicle traction equipment, in particular to a hard traction structure for traction of a fault logistics vehicle.
Background
The general traction bracket consists of two parts: the belt conveyor moving bracket comprises a cargo platform and a telescopic part, wherein the cargo platform is formed by welding a cross beam and a main beam, the main beam adopts a box-type structure, the cross beam is divided into a front cross beam, a middle cross beam and a rear cross beam which are all made into arc shapes with the diameter of 4.8m, a tank body is arranged on the cross beam, the tank body and the main beam are bound together through a steel wire rope after the tank body is placed, so that the rigidity of the main beam is increased, the telescopic part is not provided with the cross beam, the box-type beam on the outer side of the telescopic part can be inserted into a square hole of the main beam, and the connection between the box-type beam and the main beam is realized through a pin; 2 universal wheels and 2 fixed wheels are installed on the lower platform, a trailer pull rod and the lower platform are connected in a hard mode to prevent the belt conveyor from impacting the tail of the forklift when the forklift decelerates, the belt conveyor is damaged by collision, a round hole formed in the head of the pull rod can be directly hung on a traction pin on the tail of the forklift, a pin shaft is arranged at the tail of the pull rod and hinged with the lower platform, the pull rod can rotate up and down conveniently, a main material of the pull rod is made of 12# channel steel, a transverse support is added in the middle of the pull rod, the structure is firm and durable, the lower platform and the lower platform play a role of supporting a chassis, the 12# channel steel are welded in a double-splicing mode, the structure is; the rear travelling wheel adopts a directional wheel, the lower platform is prevented from moving randomly when moving, because the wharf is a linkage block ground, the travelling wheel adopts an all-steel wheel, other factories and mines on smooth ground can also adopt rubber coated wheels, a deep groove ball bearing is adopted as an upper bearing of a rotating shaft, the lower bearing adopts a tapered roller bearing to support the upper platform and ensure the flexible rotation of the upper platform, the head of the belt conveyor is damaged when the belt conveyor is prevented from moving and steering, the upper platform is fixed on the rotating shaft rotating part, the inner groove is used for placing and clamping two universal wheels at the head of the belt conveyor, a movable belt conveyor universal wheel structure is fully utilized, and the upper platform adopts 12# channel steel.
The invention can well solve the problems, is convenient to install during use, has reliable strength and is flexibly steered by a tractor, the front vehicle can play a good buffering role during emergency braking when in danger of colliding with two vehicles, the safety of a driver and the vehicles can be ensured to the maximum extent, and the cost is saved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a hard towing structure for towing a fault logistics vehicle, which solves the problems that the cost is too high in the tradition towing method using a wrecker, and the use of soft rope towing causes the problem that the soft rope is very easy to be drawn into the vehicle bottom when the vehicle turns or brakes suddenly in danger before, so that two vehicles collide with each other and are too dangerous.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a be used for towed hard structure of dragging of trouble commodity circulation car, frame behind the tractor and by the preceding frame of trailer, fastening bolt fixedly connected with linking frame is passed through to the both sides of frame behind the tractor, and one side of linking frame is through first bolt structure fixedly connected with rear end universal joint, the first transmission shaft of one side fixedly connected with of first bolt structure is kept away from to the rear end universal joint, and the one end that the rear end universal joint was kept away from to first transmission shaft is through bolt fixedly connected with second transmission shaft, the one end fixedly connected with front end universal joint of first transmission shaft is kept away from to the second transmission shaft, and one side of front end universal joint is through the preceding towing pintle of second bolt structure fixedly connected with, set up the screw hole with preceding towing pintle looks adaptation by one side of the preceding frame of trailer.
Preferably, the connecting frame comprises two side steel grooves and a transverse steel groove, waist-shaped holes are formed in two sides of the transverse steel groove, and two sides of the transverse steel groove penetrate through the waist-shaped holes through fastening bolts to be fixedly connected with the two side steel grooves.
Preferably, frame connecting holes are formed in one sides of the two side steel grooves, and the two side steel grooves penetrate through the frame connecting holes through fastening bolts to be fixedly connected with the rear frame of the tractor.
Preferably, a bolt structure support connected with the first bolt structure is welded in the middle of the transverse steel tank.
Preferably, the width between two side steel channels can be adjusted and installed by moving the fastening bolts in the waist-shaped holes at two sides of the transverse channel steel.
Preferably, one end of the front towing hook is screwed into a threaded hole of a front frame of the trailer, the other end of the front towing hook is welded with a support on one side of the second bolt structure, and the other side of the second bolt structure is connected with a support on the front-end universal joint through a pin.
Preferably, one side of the first bolt structure is connected with a support on the rear end universal joint through a pin.
Preferably, the bolt structure at the two ends is vertical during assembly, namely, the pin is vertically inserted, so that the whole structure is mainly stressed by the pin and is flexible in rotation.
(III) advantageous effects
The invention provides a hard towing structure for towing a fault logistics vehicle. Compared with the prior art, the method has the following beneficial effects:
(1) the hard towing structure for towing the fault logistics vehicle is characterized in that the two sides of the vehicle frame behind the towing vehicle are fixedly connected with the connecting frame through the fastening bolts, one side of the connecting frame is fixedly connected with the rear-end universal joint through the first bolt structure, one side of the rear-end universal joint far away from the first bolt structure is fixedly connected with the first transmission shaft, one end of the first transmission shaft far away from the rear-end universal joint is fixedly connected with the second transmission shaft through the bolts, one end of the second transmission shaft far away from the first transmission shaft is fixedly connected with the front-end universal joint, one side of the front-end universal joint is fixedly connected with the front towing hook through the second bolt structure, one side of the trailer front vehicle frame is provided with the threaded hole matched with the front towing hook, the problem that the cost of the existing method for towing by using the obstacle removing vehicle is too high can be well solved, the problem that the soft rope is very easy to be involved in the vehicle bottom to cause two vehicles, the problem of too dangerous, simple to operate during the use, intensity is reliable, is turned to the flexibility by the tractor, can play fine cushioning effect when the front truck meets danger emergency brake, avoids two cars to collide with each other, can furthest's assurance traveler and vehicle's safety, saves the cost.
(2) This be used for towed hard structure of dragging of trouble commodity circulation car, through including two side steel channels and horizontal steel channel at the connection frame, waist shape hole has all been seted up to horizontal both sides of putting the steel channel, and horizontal both sides of putting the steel channel run through waist shape hole and carry out fixed connection with two side steel channels through fastening bolt, can realize can adjusting the width between two side steel channels of installation through the fastening bolt that removes horizontal channel-section steel both sides waist shape downthehole, the frame that links to each other with frame behind the tractor stretches out outside the packing box, avoided dragging the in-process and bump with rear bumper and tail lamp mutually, the waist shape hole on it can be ensured that this hard is dragged the tractor that is applicable to the frame width difference.
(3) This be used for towed hard structure of dragging of trouble commodity circulation car is the rectilinear through both ends bolt structure when the assembly, and the pin inserts perpendicularly promptly, and whole structure is mainly the pin atress like this, rotates in a flexible way, uses bolted connection between two transmission shafts, can dismantle, conveniently places and transports, and the universal joint on transmission shaft both sides and bolt connected mode make to turn to in a flexible way, and it has fine practical value to produce the enterprise of managing the commodity circulation car and having a large amount of way examination tasks especially new forms of energy enterprise.
(4) This be used for towed hard structure of dragging of trouble commodity circulation car, through with by the tractor coupling part utilize the preceding drag hook of transformation, the tow hook hole site on the frame is screwed into to one end, and one end utilizes the pin to link to each other with the transmission shaft, and this structural strength is reliable, simple to operate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a front view of the structure of the present invention;
FIG. 4 is a cross-sectional view of the front structure of the coupling frame and rear frame of the towing vehicle of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 1;
fig. 6 is a partial enlarged view of the invention at B in fig. 1.
In the figure, 1 tractor rear frame, 2 trailer front frame, 3 connecting frame, 31 side steel groove, 32 horizontal steel groove, 33 waist-shaped hole, 34 frame connecting hole, 35 bolt structure bracket, 4 first bolt structure, 5 rear end universal joint, 6 first transmission shaft, 7 second transmission shaft, 8 front end universal joint, 9 second bolt structure, 10 front towing hook and 11 threaded hole.
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, an embodiment of the present invention provides a technical solution: a hard towing structure for a fault logistics vehicle comprises a towing vehicle rear frame 1 and a towed vehicle front frame 2, wherein two sides of the towing vehicle rear frame 1 are fixedly connected with a connecting frame 3 through fastening bolts, one side of the connecting frame 3 is fixedly connected with a rear end universal joint 5 through a first bolt structure 4, one side of the rear end universal joint 5, which is far away from the first bolt structure 4, is fixedly connected with a first transmission shaft 6, one end of the first transmission shaft 6, which is far away from the rear end universal joint 5, is fixedly connected with a second transmission shaft 7 through bolts, one end of the second transmission shaft 7, which is far away from the first transmission shaft 6, is fixedly connected with a front end universal joint 8, the two transmission shafts are connected through bolts and can be disassembled and conveniently placed and transported, the universal joints at two sides of the transmission shafts and the bolt connection mode enable the steering to be flexible, and one side of the front end universal joint 8 is fixedly connected with a front towing, one side of a trailer front frame 2 is provided with a threaded hole 11 matched with a front towing hook 10, the connecting part of the trailer front frame 2 and the trailer front frame 2 utilizes the modified front towing hook 10, one end of the trailer front frame is screwed into a towing hook hole on the frame, the other end of the trailer front frame is connected with a transmission shaft by a pin, the structure has reliable strength and convenient installation, the structure utilizes a waste transmission shaft and a pin connection mode, has sufficient strength, light weight, convenient installation during use and flexible steering during the towing process, can play a good buffer role during emergency braking of the front vehicle in danger, effectively solves the problems of high transportation cost of the wrecker and excessive danger caused by soft rope towing, a connecting frame 3 comprises two lateral steel grooves 31 and lateral steel grooves 32, both sides of the lateral steel grooves 32 are provided with waist-shaped holes 33, both sides of the lateral steel grooves 32 are fixedly connected with the two lateral steel grooves 31 by penetrating through the waist-shaped holes 33 through fastening bolts, one side of the two lateral steel grooves 31 are provided with frame connecting holes 34, two side steel grooves 31 are fixedly connected with a rear frame 1 of the tractor through a frame connecting hole 34 by fastening bolts, a bolt structure bracket 35 connected with a first bolt structure 4 is welded in the middle of a transverse steel groove 32, the width between the two side steel grooves 31 can be adjusted and installed by moving the fastening bolts in waist-shaped holes 33 on two sides of the transverse steel groove 32, a frame connected with the rear frame 1 of the tractor extends out of a container to avoid collision with a rear bumper and a tail lamp in the dragging process, the waist-shaped holes 33 on the transverse steel groove can ensure that the hard tractor is suitable for tractors with different frame widths, one end of a front towing hook 10 is screwed into a threaded hole 11 of a front frame 2 of the trailer, the other end of the front towing hook is welded with a bracket on one side of a second bolt structure 9, the other side of the second bolt structure 9 is connected with a bracket on a front end universal joint 8 by a pin, one side of the first bolt structure 4 is connected with a bracket on the rear end universal joint, the transmission shafts are connected into a whole through the support by the bolts, the supports on the universal joints at the two ends are respectively connected with the two parts above the support by the pins, so that the whole hard dragging structure is formed, the bolt structures at the two ends are vertical during assembly, namely, the pins are vertically inserted, and thus, the whole structure is mainly stressed by the pins and is flexible in rotation.
When the device is used, when a fault vehicle needs to be pulled, prophase preparation work is done at a base as much as possible, the connecting frame 3 is firstly arranged on a tractor, the first transmission shaft 6 and the second transmission shaft 7 are connected together through a bolt, and finally, the support on the rear-end universal joint 5 and the front-end universal joint 8 is ensured to be in a fastening state, the modified front towing hook 10 is firstly screwed into a threaded hole 11 of the front frame 2 of the trailer after the vehicle arrives at a site, the support on the towing hook is ensured to be in a horizontal state, the pins are ensured to be vertically inserted, the towing hook can be screwed tightly by clamping through a movable wrench or passing through a round hole of the support by an iron rod, then, the positions of the two vehicles are adjusted, and finally, the two vehicles are connected through the transmission shafts by the two pins, so that the installation of the whole hard towing device is completed.
To sum up the above
The invention can well solve the problem that the existing method for hauling the wrecker is too high in cost, the flexible rope is used for traction, the flexible rope is very easy to be rolled into the bottom of the tractor to cause collision of two tractors when the wrecking or the front tractor is in danger and brakes, the problem that the flexible rope is too dangerous is solved, the installation is convenient when the wrecking or the front tractor is in danger, the strength is reliable, the flexible rope is steered by the tractor, the front tractor can play a good buffering role when in danger and brakes, the collision of the two tractors is avoided, the safety of a driver and the vehicle can be ensured to the maximum extent, the cost is saved, the width between the two side steel grooves 31 can be adjusted and installed by moving the fastening bolts in the waist-shaped holes 33 on the two sides of the transverse channel steel 32, the frame connected with the rear frame 1 of the tractor extends out of a container, the collision with the rear bumper and a tail lamp in the dragging process is avoided, the waist-shaped holes 33, the pin inserts perpendicularly promptly, overall structure is mainly the pin atress like this, it is nimble to rotate, use bolted connection between two transmission shafts, can dismantle, conveniently place and transport, and the universal joint on transmission shaft both sides and the bolt connected mode make to turn to in a flexible way, to the production and management logistics car and have the enterprise of a large amount of road test tasks especially new forms of energy enterprise have fine practical value, drag hook 10 before having utilized the transformation with by tractor coupling part, the tow hook hole site on the frame is twisted into to one end, the one end utilizes the pin to link to each other with the transmission shaft, this structural strength is reliable, simple to operate.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a hard structure of dragging for trouble commodity circulation car is towed, frame (1) and by preceding frame (2) of trailer behind the tractor, its characterized in that: the utility model discloses a tractor, including frame (1), rear end universal joint (5), one side fixedly connected with first bolt structure (4) rear end universal joint (6), and one end through bolt fixedly connected with second transmission shaft (7) of rear end universal joint (5) are kept away from to rear end universal joint (5), the one end fixedly connected with front end universal joint (8) of first transmission shaft (6) are kept away from to second transmission shaft (7), and one side of front end universal joint (8) is through before second bolt structure (9) fixedly connected with tow hook (10), set up screw hole (11) with preceding tow hook (10) looks adaptation by one side of frame (2) before the trailer.
2. The hard tow structure for towing of a malfunctioning logistics vehicular according to claim 1, wherein: the connecting frame (3) comprises two side steel grooves (31) and horizontal steel grooves (32), kidney-shaped holes (33) are formed in two sides of the horizontal steel grooves (32), and two sides of the horizontal steel grooves (32) penetrate through the kidney-shaped holes (33) through fastening bolts to be fixedly connected with the two side steel grooves (31).
3. The hard tow structure for towing of a malfunctioning logistics vehicular according to claim 2, wherein: frame connecting holes (34) are formed in one sides of the two side steel grooves (31), and the two side steel grooves (31) penetrate through the frame connecting holes (34) through fastening bolts to be fixedly connected with the rear frame (1) of the tractor.
4. The hard tow structure for towing of a malfunctioning logistics vehicular according to claim 2, wherein: and a bolt structure support (35) connected with the first bolt structure (4) is welded in the middle of the transverse steel tank (32).
5. The hard tow structure for towing of a malfunctioning logistics vehicular according to claim 2, wherein: the width between two side steel grooves (31) can be adjusted and installed by moving the fastening bolts in the waist-shaped holes (33) on two sides of the transverse channel steel (32).
6. The hard tow structure for towing of a malfunctioning logistics vehicular according to claim 1, wherein: one end of the front towing hook (10) is screwed into a threaded hole (11) of the front frame (2) of the trailer, the other end of the front towing hook is welded with a support on one side of the second bolt structure (9), and the other side of the second bolt structure (9) is connected with a support on the front-end universal joint (8) through a pin.
7. The hard tow structure for towing of a malfunctioning logistics vehicular according to claim 1, wherein: one side of the first bolt structure (4) is connected with a support on the rear end universal joint (5) through a pin.
8. The hard tow structure for towing of a malfunctioning logistics vehicle of any one of claims 1 to 7 wherein: the bolt structure at the two ends is vertical during assembly.
CN201911279845.8A 2019-12-13 2019-12-13 Hard dragging structure for traction of fault logistics vehicle Pending CN110978916A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911279845.8A CN110978916A (en) 2019-12-13 2019-12-13 Hard dragging structure for traction of fault logistics vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911279845.8A CN110978916A (en) 2019-12-13 2019-12-13 Hard dragging structure for traction of fault logistics vehicle

Publications (1)

Publication Number Publication Date
CN110978916A true CN110978916A (en) 2020-04-10

Family

ID=70093285

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911279845.8A Pending CN110978916A (en) 2019-12-13 2019-12-13 Hard dragging structure for traction of fault logistics vehicle

Country Status (1)

Country Link
CN (1) CN110978916A (en)

Similar Documents

Publication Publication Date Title
US7232138B2 (en) Wheel-Dolly for vehicle towing and recovery
US20120235381A1 (en) Roll coupling trailer hitch assembly
US8047758B2 (en) Universal folding boom trailer
US6101953A (en) Apparatus to facilitate rail transit by motor vehicles
US6663131B2 (en) Dolly for towing disabled trailers
CN204452644U (en) High-mobility, multipurpose, wheeled vehicle central axle flat truck
CN108545116A (en) A kind of breast board can increase railing panel semi-trailer
CN201646913U (en) Semi-suspending type raw wood carrying vehicle
CN205345045U (en) Multiaxis can turn to scalable jiayouche
US3841506A (en) Tow trailer for vehicles
RU114656U1 (en) CAR TRAILER FOR TOWING BY THE PARTIAL LOADING METHOD
US7290782B2 (en) Trailer dolly
CN202593349U (en) Trailer carrier vehicle for small-sized milling machines
CN212446998U (en) Hard dragging structure for traction of fault logistics vehicle
CN110978916A (en) Hard dragging structure for traction of fault logistics vehicle
CN102152754A (en) Semi-trailer log transporter
US5016899A (en) No-slack restricted-drum stabilizer for commercial multitrailer combinations
US4335898A (en) Load shifter assembly for trailers
US8251394B2 (en) Low rider saddle mount
CN206569158U (en) A kind of novel semi-trailer
CN203819381U (en) Panel full trailer for multiple terrains
RU175339U1 (en) Partial loading car trailer
RU168306U1 (en) SEMITRAILER
RU211886U1 (en) WHEEL EVACUATION TRACTOR HEAVY KET-T
CN204659822U (en) For the low chassis lightweight vehicle frame of rear-guard electrically propelled traction vehicle

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