CN111456132A - Multifunctional dredging ship for excavator - Google Patents

Multifunctional dredging ship for excavator Download PDF

Info

Publication number
CN111456132A
CN111456132A CN202010389207.8A CN202010389207A CN111456132A CN 111456132 A CN111456132 A CN 111456132A CN 202010389207 A CN202010389207 A CN 202010389207A CN 111456132 A CN111456132 A CN 111456132A
Authority
CN
China
Prior art keywords
dredger
deck
dredging
excavator according
power arm
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
CN202010389207.8A
Other languages
Chinese (zh)
Inventor
林小强
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.)
Fujian Junshun Equipment Technology Co ltd
Original Assignee
Fujian Junshun Equipment Technology 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 Fujian Junshun Equipment Technology Co ltd filed Critical Fujian Junshun Equipment Technology Co ltd
Priority to CN202010389207.8A priority Critical patent/CN111456132A/en
Publication of CN111456132A publication Critical patent/CN111456132A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/8833Floating installations
    • E02F3/885Floating installations self propelled, e.g. ship
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92Digging elements, e.g. suction heads
    • E02F3/9206Digging devices using blowing effect only, like jets or propellers
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F5/00Dredgers or soil-shifting machines for special purposes
    • E02F5/28Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
    • E02F5/282Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with rotating cutting or digging tools
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F5/00Dredgers or soil-shifting machines for special purposes
    • E02F5/30Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
    • E02F5/305Arrangements for breaking-up hard ground
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F7/00Equipment for conveying or separating excavated material
    • E02F7/06Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators

Abstract

The invention discloses a multifunctional dredger, which structurally comprises a power arm, a dredger body, a positioning rod, a crusher, an engine cover, a sludge discharge pipe, a floating body base, a dredger, a conveying belt, a feeding table, a filter plate and a control machine base, wherein the dredger is arranged at the lower end of the power arm, the dredger can freely arrange a suction pump, a jet pump or a bucket on the power arm head according to the working condition of river and lake sludge, so that a worker can select the corresponding dredger according to the working condition to carry out optional construction on the river and lake sludge, and the sludge and garbage on a hopper is timely crushed and separated into a storage bin through a crushing wheel and the filter plate, so that the garbage can be conveniently conveyed to a shore for further treatment in the later period, the work of dredging, transporting and discharging sand and the like can be finished at one time, the construction surface is more accurately controlled, the efficiency is higher, the working condition is simpler, the power can be any size according to the requirements of customers, can be suitable for various complex ground conditions, is simple and flexible to operate and can be operated by one person.

Description

Multifunctional dredging ship for excavator
Technical Field
The invention relates to the technical field of mechanical equipment used in the fields of engineering machinery used in dredging engineering, wetland landscape, river and lake treatment and the like, in particular to a multifunctional dredger.
Background
The traditional dredging boat equipment is not of a cutter suction type, a trailing suction type, a bucket wheel type, a jet suction type, a chain bucket type or a shovel bucket type, the trailing suction type is self-propelled and self-loaded and self-unloaded under the general condition, and the equipment is only suitable for loose soil operation and soil operation with the hardness lower than that of clay; the chain bucket type is provided with a chain bucket excavating mechanism, and a chain drives the chain bucket to continuously operate, so that the chain bucket type is strong in soil adaptability, but more auxiliary ships such as anchor throwing ships, tugboats and barges are needed to barge, the noise is high, and the chain bucket type occupies a large construction water area; the bucket type excavator is provided with a full-rotation excavator, and the bucket is extended to the water bottom to excavate hard soil, broken stones and pebbles except hard stones by utilizing the operation of a bucket rod through a hydraulic oil cylinder; the cutter-suction dredger is wide large-scale dredging equipment used in the industries at present, a cutter-suction frame extends out of a dredger bow, a cutter head is hoisted on the cutter-suction frame by a cable, the other end of the cutter head is connected with a dredger body by a movable pin, the cutter head is driven by a motor on the cutter-suction frame to lift, the cutter head is driven by a motor or a hydraulic mechanism, silt materials are conveyed through a mud suction pipe by virtue of pump force, the cutter head and a construction surface of the cutter-suction are hung down only by the self-weight of the cutter head, the cutter head cannot be twisted and jump when meeting a harder stratum or a pebble layer, the cutter head moves left and right, the movable cutter-suction can be realized only by matching an anchor and a positioning pile of the whole dredger body, the throwing anchor and the anchor are also responsible for more than one working dredger is required, the pump is required to be filled and emptied firstly, and the cutter head is lifted to the horizontal height of the dredger when the pump is filled, when the pump body is filled with water, the reamer can fall into the water body quickly and the operating switch of the pump is turned on, and the operation can be repeated sometimes when the pump body is not matched well, so that the equipment is very heavy and complex to operate.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a multifunctional dredger.
In order to achieve the purpose, the invention is realized by the following technical scheme: a multifunctional dredger for excavator is composed of power arm, machine body with sand sucking tube, locating rod, crusher, engine cover, mud discharging tube, float base, dredger, conveying belt, feeding table, filter plate, control machine seat, dredger installed to lower end of power arm, power arm with right side connected to one side of machine body, machine body connected to said base through control machine seat, locating rod passing through said base, crusher installed to upper end of float base, engine cover with lower end connected to said base and mud discharging tube, conveying belt installed under one side of feeding table, filter plate on feeding table, crusher inserted in feeding table, conveying belt and feeding table on said base, front, middle and back cabins, mud pump and engine, the middle cabin also comprises a bin and a connecting pipe, the connecting pipe is distributed into the bin, the crusher, the conveying belt and the feeding table are respectively arranged at the upper end of the middle cabin, and the upper end of the rear cabin is provided with an engine cover.
Preferably, the middle cabin is divided into three independent cabins, the deck of the middle cabin adopts a non-closed structure, the decks of the left cabin and the right cabin adopt closed structures, and the electro-hydraulic control valves are respectively arranged in the decks of the left cabin and the right cabin.
Preferably, the crusher further comprises a hopper and a crushing wheel, and the crushing wheel is arranged at the lower end of the hopper.
Preferably, the sand suction pipe is connected with the mud pump through a connecting pipe.
Preferably, the positioning rod is hydraulically driven.
Preferably, the silt remover is a jet suction pump, one end of the silt remover is connected with the sand suction pipe, and the other end of the silt remover is provided with a hydraulic suction pump.
Preferably, the dredger is a bucket, and the dredger is in transmission connection with the power arm through a hydraulic rod.
Preferably, the filter plate can be divided into a slide screen or a rolling grid, and the rolling grid is arranged on a driving wheel.
Preferably, a hydraulic winch is arranged on the deck of the front cabin.
Preferably, the two sides of the conveying belt are flush with the edges of the floating body base, and the height of the conveying belt at the edges is higher than that of the conveying belt at the middle section.
Due to the adoption of the technical scheme, the invention has the remarkable technical effects that: this excavator desilting ship can be through the operating mode according to river lake silt with the cutter suction pump, penetrate suction pump or scraper bowl and freely install to the power arm aircraft nose, make the staff can select the desilter that corresponds according to the operating mode to carry out optional construction to river lake silt, and in the timely broken separation of silt rubbish on with the hopper through broken wheel and filter plate, cause the later stage of being more convenient for to send rubbish to the bank further processing, thereby once only accomplish work such as dredging sand, transport sand, unload work such as sand and then construction face control more accurate, the efficiency is higher, the operating mode is more succinct, power can all can along with the arbitrary size of customer's demand, can be suitable for various complicated ground conditions, and the operation is simple, and is very nimble, can operate alone.
Drawings
FIG. 1 is a schematic structural view of a dredging vessel of a multifunctional excavator according to the present invention;
FIG. 2 is a schematic front view of a cross-sectional structure according to a first embodiment of the present invention;
FIG. 3 is a schematic front view of a cross-sectional structure according to a second embodiment of the present invention;
FIG. 4 is a schematic view of the internal structure of the crusher of the present invention;
FIG. 5 is a schematic front view of the rolling grid of the present invention;
FIG. 6 is a schematic structural view of a slide screen of the present invention;
fig. 7 is a schematic structural diagram of the rolling grid of the present invention.
The names of the parts indicated by the numerical references in the drawings are as follows: the device comprises a power arm-1, a machine body-2, a positioning rod-3, a crusher-4, an engine cover-5, a sludge discharge pipe-6, a floating body base-7, a sludge cleaner-8, a conveying belt-9, a feeding table-10, a filter plate-11, a driving wheel-12, a hydraulic suction pump-13, a sand suction pipe-14, a control machine base-15, a front cabin-16, a middle cabin-17, a rear cabin-18, a hopper-19, a crushing wheel-20, a slurry pump-21, an engine-22, a storage bin-23, a connecting pipe-24 and an electro-hydraulic control valve-25.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-7, the invention provides a multifunctional dredger for excavator, comprising a power arm 1, a machine body 2, a positioning rod 3, a crusher 4, an engine cover 5, a sludge discharge pipe 6, a floating body base 7, a dredger 8, a conveyer belt 9, a feeding table 10, a filter plate 11 and a control machine base 15, wherein the lower end of the power arm 1 is provided with the dredger 8, the right side of the power arm 1 is connected with one side of the machine body 2, the machine body 2 is connected with the floating body base 7 through the control machine base 15, the lower end of the positioning rod 3 penetrates through the floating body base 7, the crusher 4 is arranged at the upper end of the floating body base 7, the lower end of the engine cover 5 is connected with the floating body base 7, one side of the crusher is connected with the sludge discharge pipe 6, the conveyer belt 9 is arranged below one side of the feeding table 10, the filter plate 11 is arranged on the feeding table 10, one side of the feeding table, the floating body base 7 is divided into a front cabin 16, a middle cabin 17 and a rear cabin 18, the front cabin 16 is provided with a sand suction pipe 14, the rear cabin 18 also comprises a mud pump 21 and an engine 22, the mud pump 21 is in transmission connection with the engine 22, the middle cabin 17 also comprises a storage bin 23 and a connecting pipe 24, the connecting pipe 24 is arranged in the storage bin 23, a crusher 4, a conveyer belt 9 and a feeding platform 10 are respectively arranged at the upper end of the middle cabin 17, the upper end of the rear cabin 18 is provided with an engine cover 5, the middle cabin 17 is divided into three independent cabins (not shown in the figure), the middle cabin deck adopts a non-closed structure, the decks of the left cabin and the right cabin adopt a closed structure and are respectively provided with an electric hydraulic control valve 25 inside, the crusher 4 also comprises a hopper 19 and a crushing wheel 20, the crushing wheel 20 is arranged at the lower end of the hopper 19, the sand suction pipe 14 is connected with the mud pump, one end of the desilting device 8 is connected with a sand suction pipe 14, the other end is provided with a hydraulic suction pump 13, the desilting device 8 is a bucket, the desilting device 8 is in transmission connection with the power arm 1 through a hydraulic rod, the filter plate 11 can be divided into a slide screen or a rolling grid, the rolling grid is arranged on a driving wheel 12, a hydraulic winch (not shown in the figure) is arranged on a deck of the front cabin 16 and has the functions of breaking down and anchoring, two sides of the conveying belt 9 are flush with the edge of the floating body base 7, the height of the conveying belt 9 at the edge is higher than that of the conveying belt 9 at the middle section, the higher conveying belt 9 is close to the ship edge and has the function of facilitating the loading of the barge with materials, three positioning rods 3 are arranged, two of the two floating bodies are arranged in the second compartment of the floating body on the floating body base 7, the other one is arranged at the tail part of the floating body base 7, and the silt remover 8 can also be divided into a suction pump, a chuck vibration hammer, a crushing head or a grass mower and the like.
The first embodiment is as follows:
when the dredger is used, the jetting and sucking pump or the suction and sucking pump is installed on the power arm 1 according to the working condition of sludge in rivers and lakes, when the sediment of hard stones or pebbles needs to be treated, the dredging ship is controlled by the machine body 2 to run into the rivers and lakes, the positioning rod 3 is inserted into the rivers and lakes, meanwhile, the hydraulic winch performs anchoring work, the hydraulic winch and the dredging ship body perform positioning treatment on the ship body, the adhesion force to the ground and the stability are increased, then the machine body 2 controls the power arm 1 through the hydraulic rod to enable the jetting and sucking pump or the suction and sucking pump to extend into the rivers and lakes to pump sediment, the hydraulic sucking pump 13 is driven to be switched on and off, the mud pump 21 of the rear cabin 18 performs pumping work, when the mud pump 21 can be started to work under the induction indication, a driver drives the mud pump 21 to start drainage work, then the driver operates the movable arm and the jetting and sucking head of the excavator, the collected sediment and sediment are excessively transferred to the mud pump connecting pipe 24 through the sediment sucking, And carrying and unloading sand and the like.
Example two:
when the crusher 4 is required to work, the feeding table 10 is provided with the filter plate 11, the filter plate 11 is of a sliding sieve structure, the conveyer belt 9 stops working, the machine body 2 controls the power arm 1 to dig the bucket into the lake bottom through the hydraulic rod, then the dug garbage is poured on the sliding sieve, the sliding sieve separates hard stones and silt in the garbage, the silt is directly filtered into the material bin 23, the hard stones flow into the hopper 19 and are also led into the material bin 23 after being crushed by the crushing wheel 20, in the leading-in process, the electro-hydraulic valves 25 on the two sides of the middle cabin 17 are opened to enable water to naturally flow into the middle cabin 17 for replenishment, and the fallen silt and the water are discharged by the mud pump 21 and are conveyed to the barge to be conveyed to the wharf for further treatment, so that the complex silt is excavated, sieved, crushed and conveyed continuously at one time.
Example three:
when the dredger is used, the bucket is installed on the power arm 1 according to the working condition of sludge in rivers and lakes, the connecting pipe 24 of the middle cabin 17 is removed, when the dredger is required to treat the sludge containing hard layers, pebbles and the like, the dredger is controlled by the machine body 2 to run into the rivers and lakes, the positioning rod 3 is inserted into the rivers and lakes, meanwhile, the hydraulic winch performs anchoring work, the hydraulic winch positions and treats the ship body, the adhesion force to the ground and the stability are increased, when the conveying belt 9 is required to work, the feeding table 10 is provided with the filter plate 11, the filter plate 11 is of a rolling grid structure, the crusher 4 stops working, the machine body 2 controls the power arm 1 through the hydraulic rod to dig the bucket into the bottom of the lake, then the garbage dug up is poured on the rolling grid, the rolling grid conveys the dug garbage to the conveying belt 9 under the rotating action of the driving wheels 12, then the conveying belt 9 conveys the garbage to the barge of the floating body 7 to the wharf for further treatment, thus, the complex silt is excavated, sieved, crushed and transported continuously at one time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The utility model provides a multi-functional excavator desilting ship which characterized in that: the structure of the sludge dredger comprises a power arm (1), a machine body (2), a positioning rod (3), a crusher (4), an engine cover (5), a sludge discharge pipe (6), a floating body base (7), a sludge cleaner (8), a conveying belt (9), a feeding table (10), a filter plate (11) and a control machine base (15), wherein the sludge cleaner (8) is installed at the lower end of the power arm (1), the right side of the power arm (1) is connected to one side of the machine body (2), the machine body (2) is connected with the floating body base (7) through the control machine base (15), the lower end of the positioning rod (3) penetrates through the floating body base (7), the crusher (4) is installed at the upper end of the floating body base (7), the lower end of the engine cover (5) is connected with the floating body base (7), one side of the engine cover is connected with the sludge discharge pipe (6), the conveying belt (9) is, feeding platform (10) one side is inserted in breaker (4), conveyer belt (9) and feeding platform (10) set up respectively on body base (7), body base (7) divide into front deck (16), middle deck (17), after deck (18), sand suction pipe (14) have been joined in marriage in front deck (16), after deck (18) still include slush pump (21), engine (22), slush pump (21) are connected with engine (22) transmission, middle deck (17) still include feed bin (23), connecting pipe (24), in feed bin (23) are joined in marriage in connecting pipe (24), breaker (4), conveyer belt (9), feeding platform (10) are installed respectively in middle deck (17) upper end, engine cover (5) have been installed to after deck (18) upper end.
2. The dredging ship of the multifunctional excavator according to claim 1, wherein: the middle cabin (17) is divided into three independent cabins, the deck of the middle cabin adopts a non-closed structure, the decks of the left cabin and the right cabin adopt closed structures, and electro-hydraulic control valves (25) are respectively arranged in the decks.
3. The dredging ship of the multifunctional excavator according to claim 1, wherein: the crusher (4) also comprises a hopper (19) and a crushing wheel (20), wherein the crushing wheel (20) is arranged at the lower end of the hopper (19).
4. The dredging ship of the multifunctional excavator according to claim 1, wherein: the sand suction pipe (14) is connected with a slurry pump (21) through a connecting pipe (24).
5. The dredging ship of the multifunctional excavator according to claim 1, wherein: the positioning rod (3) adopts a hydraulic driving structure.
6. The dredging ship of the multifunctional excavator according to claim 1, wherein: the dredging device (8) is a jet suction pump, one end of the dredging device (8) is connected with a sand suction pipe (14), and the other end is provided with a hydraulic suction pump (13).
7. The dredging ship of the multifunctional excavator according to claim 1, wherein: the dredging device (8) is a bucket, and the dredging device (8) is in transmission connection with the power arm (1) through a hydraulic rod.
8. The dredging ship of the multifunctional excavator according to claim 1, wherein: the filter plate (11) can be divided into a slide screen or a rolling grid, and the rolling grid is arranged on the driving wheel (12).
9. The dredging ship of the multifunctional excavator according to claim 1, wherein: a hydraulic winch is arranged on the deck of the front cabin (16).
10. The dredging ship of the multifunctional excavator according to claim 1, wherein: both sides of the conveying belt (9) are flush with the edge of the floating body base (7), and the height of the conveying belt (9) at the edge is higher than that of the conveying belt (9) at the middle section.
CN202010389207.8A 2020-05-10 2020-05-10 Multifunctional dredging ship for excavator Pending CN111456132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010389207.8A CN111456132A (en) 2020-05-10 2020-05-10 Multifunctional dredging ship for excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010389207.8A CN111456132A (en) 2020-05-10 2020-05-10 Multifunctional dredging ship for excavator

Publications (1)

Publication Number Publication Date
CN111456132A true CN111456132A (en) 2020-07-28

Family

ID=71677979

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010389207.8A Pending CN111456132A (en) 2020-05-10 2020-05-10 Multifunctional dredging ship for excavator

Country Status (1)

Country Link
CN (1) CN111456132A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113250264A (en) * 2021-06-09 2021-08-13 辽宁工程技术大学 Water sump cleaning device and use method thereof
CN113250267A (en) * 2021-05-11 2021-08-13 中交广州航道局有限公司 Special rake head for eliminating furrows and construction process thereof
CN116927274A (en) * 2023-09-15 2023-10-24 中国科学院东北地理与农业生态研究所 Air cushion type excavating operation machine for repairing wetland

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113250267A (en) * 2021-05-11 2021-08-13 中交广州航道局有限公司 Special rake head for eliminating furrows and construction process thereof
CN113250267B (en) * 2021-05-11 2022-08-23 中交广州航道局有限公司 Special drag head for eliminating furrow and construction process thereof
CN113250264A (en) * 2021-06-09 2021-08-13 辽宁工程技术大学 Water sump cleaning device and use method thereof
CN116927274A (en) * 2023-09-15 2023-10-24 中国科学院东北地理与农业生态研究所 Air cushion type excavating operation machine for repairing wetland
CN116927274B (en) * 2023-09-15 2023-11-21 中国科学院东北地理与农业生态研究所 Air cushion type excavating operation machine for repairing wetland

Similar Documents

Publication Publication Date Title
CN111456132A (en) Multifunctional dredging ship for excavator
CN105672390B (en) A kind of river chain-bucket dredger and its Dredging Construction method
KR100729864B1 (en) Dredger
CN207211233U (en) A kind of multi-functional dredger
CN102828537A (en) Gantry type grab dredger
CN111038652A (en) Multifunctional engineering ship
EP2232004B1 (en) A collecting device and a method of using same
CN212405291U (en) Multifunctional dredging ship for excavator
CN102124164B (en) Method for delivering large quantities of under water soil to a reclamation area
CN110593344A (en) Underwater obstacle removing vehicle
JPH04228730A (en) Disposal of solid dredged substance and dredging method
KR101400017B1 (en) the dredging vessel with gantry crane in which the spoil transfer using the compressed air
CN211642530U (en) Multifunctional engineering ship
US3761132A (en) Apparatus and method for repositioning earthen material
CN211646530U (en) Underwater obstacle removing vehicle
US10519625B2 (en) Dredger actuated from land
CN111576517A (en) Integrated high-pressure anti-blocking suction excavation dredging equipment
KR100997373B1 (en) Dredging plant equipment
Basson et al. Dealing with Reservoir Sedimentation: Dredging
CN211898616U (en) Shipborne multifunctional sand taking island-building excavator
CN1081733A (en) River course dry type desilting (excavation) method and equipment
DE3129228A1 (en) Underwater suction scraper-dozer
CN117461510B (en) Ecological restoration habitat construction method for mangrove forest
CN110230332A (en) Multi-functional dredger
KR20100136027A (en) Dredger transferring a dredging substance using booster boat

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