CN114104969A - Tunnel frame canopy machine - Google Patents
Tunnel frame canopy machine Download PDFInfo
- Publication number
- CN114104969A CN114104969A CN202111338019.3A CN202111338019A CN114104969A CN 114104969 A CN114104969 A CN 114104969A CN 202111338019 A CN202111338019 A CN 202111338019A CN 114104969 A CN114104969 A CN 114104969A
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- China
- Prior art keywords
- jack
- arm
- fixed arm
- telescopic
- mounting disc
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- 230000007246 mechanism Effects 0.000 claims abstract description 95
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 230000007306 turnover Effects 0.000 claims abstract description 3
- 230000003028 elevating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 238000004873 anchoring Methods 0.000 description 16
- 230000009467 reduction Effects 0.000 description 5
- 238000005065 mining Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
- B66C11/06—Underhung trolleys running on monorails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a tunnel shed erecting machine, which belongs to the technical field of mine tunnel erection and comprises a hanging mechanism movably connected with a monorail crane, wherein the bottom end of the hanging mechanism is movably connected with a fixed arm, the middle part of the fixed arm is movably connected with a cross arm, a folding turnover mechanism is arranged between the cross arm and the fixed arm and used for folding and unfolding the cross arm and the fixed arm, a cavity is arranged inside the fixed arm, a sliding block is movably connected inside the cavity, and the middle part of the cross arm is fixedly connected with a rotating shaft. This tunnel ceiling machine through setting up the rotatable telescopic machanism of grabbing of multiunit, once can erect many shaped steel, makes many shaped steel can form one with the unanimous circular in tunnel, has improved the efficiency of erectting of canopy work, and the shaped steel that snatchs can make rotary motion, and the installation work that all connect the checkpost can be accomplished in a safe position only need be stood to workman's installation checkpost, and convenient operation has reduced intensity of labour, uses safelyr.
Description
Technical Field
The invention belongs to the technical field of mine roadway erection, and particularly relates to a roadway shed erecting machine.
Background
Mine roadways are a general term for various underground spaces that are cut in different directions, at different inclinations, and in different sections and lengths in different rocks, serving different areas, and serving different purposes. Mine roadways are divided into development roadways, mining preparation roadways and mining roadways according to service ranges. The development roadway is a roadway serving a whole well field or one or more first-stage division units, the stoping roadway is a roadway directly serving one or more stoping units, and the roadway between the two types of roadways is a mining standard roadway
The existing front tunneling roadway steel shed basically has no proper equipment, and most of the existing front tunneling roadway steel sheds adopt manual shed erecting. Current frame canopy equipment majority erects 1 shaped steel at every turn, erects efficiency lower, and artifical the participation is more, and frame canopy work is loaded down with trivial details, and workman intensity of labour is big, and the connecting clip between the workman installation shaped steel need remove a plurality of positions, especially upper portion connecting clip, and the installation difficulty just has great safety risk, and current equipment occupation tunnel space is big to it is unchangeable to remove, influences the rapid propulsion of tunnelling work.
Disclosure of Invention
The invention aims to provide a tunnel shed erecting machine, and aims to solve the problems of low erecting efficiency and inconvenient use of shed erecting equipment in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a tunnel rack machine, includes and hangs swing joint's the mechanism of hanging with the single track, the bottom swing joint who hangs the mechanism has the fixed arm, the middle part swing joint of fixed arm has the xarm, be provided with folding tilting mechanism between xarm and the fixed arm for fold and open xarm and fixed arm, the cavity has been seted up to the inside of fixed arm, the inside swing joint of cavity has the slider, the middle part fixedly connected with pivot of xarm, the pivot is rotated with the slider and is connected, the one end of xarm is provided with the mounting disc, the outside circumference of mounting disc is provided with grabs and lifts telescopic machanism, be provided with rotary mechanism between mounting disc and the xarm for to grab telescopic machanism rotatory appointed position, the bottom of fixed arm is provided with elevating system for change the level of xarm.
Preferably, the grabbing and lifting telescopic mechanism comprises a telescopic swing arm and a hydraulic cylinder, wherein the telescopic swing arm is movably connected with the mounting disc, one end of the telescopic swing arm is provided with a grabbing structure for grabbing the section steel, and one end of the hydraulic cylinder is movably connected with the telescopic swing arm.
Preferably, the gripping and lifting telescopic mechanisms comprise six groups.
Preferably, the folding and overturning mechanism comprises a folding jack and an overturning jack, the top end of the folding jack is movably connected with the hanging mechanism, the bottom end of the folding jack is movably connected with the fixed arm, one end of the overturning jack is movably connected with the cross arm, and the other end of the overturning jack is movably connected with the fixed arm.
Preferably, the rotating mechanism includes a reduction motor and a gear mechanism, and the reduction motor controls the mounting plate through the gear mechanism.
Preferably, the rotating mechanism includes a hydraulic motor and a gear mechanism, and the hydraulic motor controls the mounting plate through the gear mechanism.
Preferably, a telescopic advancing mechanism is arranged on one side of the mounting plate and used for adjusting the position of the mounting plate, the telescopic advancing mechanism comprises a telescopic jack and a first guide mechanism, one end of the telescopic jack is connected with the cross arm, the first guide mechanism is sleeved inside two sides of the cross arm, one end of the first guide mechanism is connected with the mounting plate, and one end of the telescopic jack, which is far away from the cross arm, is connected with the mounting plate.
Preferably, the lifting mechanism comprises a lifting jack and a second guide mechanism, the top end of the lifting jack is connected with the bottom of the sliding block, and the bottom end of the lifting jack is fixedly connected with the fixed arm.
Preferably, the left side and the right side of the fixed arm are provided with anchoring mechanisms, each anchoring mechanism comprises an anchoring jack fixed to the top and the bottom of the fixed arm, one end of each anchoring jack is fixedly connected with a mandril, and one end of each mandril is fixedly connected with an anchoring seat.
Compared with the prior art, the invention has the beneficial effects that:
1. this tunnel ceiling machine through setting up the rotatable telescopic machanism of grabbing of multiunit, once can erect many shaped steel, makes many shaped steel can form one with the unanimous circular in tunnel, has improved the efficiency of erectting of canopy work, and the shaped steel that snatchs can make rotary motion, and the installation work that all connect the checkpost can be accomplished in a safe position only need be stood to workman's installation checkpost, and convenient operation has reduced intensity of labour, uses safelyr.
2. This tunnel rack canopy machine through setting up beta structure, makes equipment fold together after work is accomplished to rise to the highest position and hang on the single track hangs, the space area occupied in tunnel is little, reduces the influence to the produced construction on next step, and it is more convenient to use.
3. This tunnel rack machine, the monorail that utilizes tunnel upper portion to set up hangs and removes it, full play the effect that the monorail hung, can not influence the normal use that the monorail hung moreover, be favorable to using widely.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic diagram of the right view structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a front view of the folded state of the present invention;
FIG. 5 is a schematic view of the internal structure at D in the present invention.
In the figure: 1. a grabbing and lifting telescopic mechanism; 2. a rotation mechanism; 3. a telescopic advancing mechanism; 4. a lifting mechanism; 5. an anchoring mechanism; 6. a folding turnover mechanism; 7. a hanging mechanism; 8. a cavity; 9. a slider; 10. a rotating shaft; 11. a telescoping swing arm; 12. a gripper structure; 13. a hydraulic cylinder; 21. a reduction motor; 22. a gear mechanism; 31. a telescopic jack; 32. a first guide mechanism; 41. lifting jacks; 42. a second guide mechanism; 51. a top rod; 52. an anchoring seat; 53. anchoring a jack; 61. folding the jack; 62. turning over the jack; A. a cross arm; B. mounting a disc; C. a fixed arm.
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.
Examples
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a tunnel rack machine, include and hang swing joint's the mechanism 7 of hanging with the single track, the bottom swing joint who hangs mechanism 7 has fixed arm C, fixed arm C's middle part swing joint has xarm A, be provided with folding tilting mechanism 6 between xarm A and the fixed arm C, be used for folding and open xarm A and fixed arm C, cavity 8 has been seted up to fixed arm C's inside, cavity 8's inside swing joint has slider 9, xarm A's middle part fixedly connected with pivot 10, pivot 10 rotates with slider 9 to be connected, xarm A's one end is provided with mounting disc B, mounting disc B's outside circumference is provided with grabs and lifts telescopic machanism 1, be provided with rotary mechanism 2 between mounting disc B and the xarm A, be used for will snatch telescopic machanism 1 and rotate to appointed position, fixed arm C's bottom is provided with elevating system 4, a horizontal height for changing xarm A.
In the specific embodiment of the invention, in the using process, the equipment is connected with a monorail crane by using a hanging mechanism 7, a plurality of section steels are grabbed by using a grabbing and lifting telescopic mechanism 1, a rotating mechanism 2 drives a mounting disc B to rotate, so that the section steels grabbed by the grabbing and lifting telescopic mechanism 1 are rotated to a specified position, a worker can conveniently mount a clamp, a lifting mechanism 4 is used for driving a cross arm A to move along a fixed arm C, a sliding block 9 generates relative movement in a cavity 8, the height of the grabbing and lifting telescopic mechanism 1 is changed, the equipment can move upwards after the work is finished, the space occupation is reduced, when the equipment is folded, the cross arm A and the fixed arm C are driven by a folding and overturning mechanism 6 to move, the cross arm A and the fixed arm C can move relatively and be folded by matching the sliding block 9, a rotating shaft 10 and the cavity 8, and the occupation of the space area of a roadway is reduced, the influence on the next construction is reduced, and the use is more convenient.
Specifically, the grabbing and lifting telescopic mechanism 1 comprises a telescopic swing arm 11 and a hydraulic cylinder 13 which are movably connected with the mounting disc B, a grabbing structure 12 is arranged at one end of the telescopic swing arm 11 and used for grabbing section steel, and one end of the hydraulic cylinder 13 is movably connected with the telescopic swing arm 11.
In this embodiment: the telescopic swing arm 11 can be adjusted in length through the telescopic hydraulic cylinder arranged inside, so that the section steel can be grabbed, and the hydraulic cylinder 13 is used for driving one end of the telescopic swing arm 11 to move, so that the telescopic swing arm can swing downwards for 90 degrees along the horizontal direction, and the telescopic swing arm can be extended and folded.
Specifically, the gripping and lifting telescopic mechanism 1 has six groups.
In this embodiment: through setting up six groups and grabbing lifting telescopic machanism 1, can once erect six shaped steel, just can accomplish the work of snatching of a set of shaped steel, make many shaped steel can form a circular shape unanimous with the tunnel, improve work efficiency.
Specifically, folding tilting mechanism 6 includes folding jack 61 and upset jack 62, folding jack 61's top and hang mechanism 7 swing joint, folding jack 61's bottom and fixed arm C swing joint, and the one end and the xarm A swing joint of upset jack 62, the other end and the fixed arm C swing joint of upset jack 62.
In this embodiment: by the action of the folding jack 61 and the overturning jack 62, the fixed arm C and the cross arm A can be folded together after the work is finished, and the space occupation of the equipment is reduced.
Specifically, the rotating mechanism 2 includes a reduction motor 21 and a gear mechanism 22, and the reduction motor 21 controls the mounting plate B through the gear mechanism 22.
Specifically, the rotating mechanism 2 includes a hydraulic motor and a gear mechanism 22, and the hydraulic motor controls the mounting plate B through the gear mechanism 22
In this embodiment: utilize gear motor 21 or hydraulic motor drive gear mechanism 22, make gear mechanism 22 drive mounting disc B rotate to make mounting disc B drive and grab and lift telescopic machanism 1 and rotate, the rotary motion can be done to six shaped steel that snatch, and workman's installation connection checkpost only need stand and can accomplish the installation work of all connection checkposts in a safe position.
Specifically, one side of mounting disc B is provided with flexible mechanism 3 that gos forward for the position of adjustment mounting disc B, and flexible mechanism 3 that gos forward includes telescopic jack 31 and first guiding mechanism 32, and telescopic jack 31's one end is connected with xarm a, and first guiding mechanism 32 cup joints inside xarm a's both sides, and first guiding mechanism 32's one end is connected with mounting disc B, and telescopic jack 31 keeps away from xarm a's one end and is connected with mounting disc B.
In this embodiment: the output end of the telescopic jack 31 is used for driving the mounting disc B to move, and the first guide mechanism 32 is used for guiding the movement of the mounting disc B, so that the work of the mounting disc B is more stable, and the requirement for erecting multi-row section steel in one working cycle can be met.
Specifically, the lifting mechanism 4 includes a lifting jack 41 and a second guide mechanism 42, the top end of the lifting jack 41 is connected with the bottom of the slider 9, and the bottom end of the lifting jack 41 is connected with the fixed arm C.
In this embodiment: the lifting jack 41 drives the sliding block 9 to move, the sliding block 9 drives the rotating shaft 10 to enable the cross arm A to move, so that the height of the cross arm A, the mounting disc B and the grabbing and lifting telescopic mechanism 1 is changed, and the cross arm A is lifted to the highest position after the work is finished, so that the occupied space of the whole equipment is the minimum after the folding and overturning mechanism is folded.
Specifically, the left side and the right side of the fixed arm C are both provided with the anchoring mechanisms 5, each anchoring mechanism 5 comprises an anchoring jack 53 fixed at the top and the bottom of the fixed arm C, one end of each anchoring jack 53 is fixedly connected with a mandril 51, and one end of each mandril 51 is fixedly connected with an anchoring seat 52.
In this embodiment: the ejector rod 51 is driven to move by the anchoring jack 53, and the ejector rod 51 drives the anchoring seat 52 to move, so that the anchoring seat is supported at the top and the bottom of the roadway, the equipment is supported and fixed, and the work of the equipment is more stable and reliable.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a tunnel rack machine, includes with single track hang swing joint hang mechanism (7), its characterized in that: the bottom end of the hanging mechanism (7) is movably connected with a fixed arm (C), the middle of the fixed arm (C) is movably connected with a cross arm (A), a folding turnover mechanism (6) is arranged between the cross arm (A) and the fixed arm (C) and used for folding and opening the cross arm (A) and the fixed arm (C), a cavity (8) is formed in the fixed arm (C), a sliding block (9) is movably connected in the cavity (8), a rotating shaft (10) is fixedly connected in the middle of the cross arm (A), the rotating shaft (10) is rotatably connected with the sliding block (9), a mounting disc (B) is arranged at one end of the cross arm (A), a grabbing and lifting telescopic mechanism (1) is circumferentially arranged on the outer side of the mounting disc (B), a rotating mechanism (2) is arranged between the mounting disc (B) and the cross arm (A) and used for rotating the grabbing and lifting telescopic mechanism (1) to a designated position, and the bottom of the fixed arm (C) is provided with a lifting mechanism (4) for changing the horizontal height of the cross arm (A).
2. The roadway timbering machine of claim 1, wherein: grab and lift telescopic machanism (1) including with mounting disc (B) swing joint's scalable swing arm (11) and pneumatic cylinder (13), the one end of scalable swing arm (11) is provided with tongs structure (12) for snatch shaped steel, the one end and scalable swing arm (11) swing joint of pneumatic cylinder (13).
3. The roadway timbering machine of claim 2, wherein: six groups of grabbing and lifting telescopic mechanisms (1) are provided.
4. The roadway timbering machine of claim 1, wherein: folding tilting mechanism (6) are including folding jack (61) and upset jack (62), the top of folding jack (61) with hang mechanism (7) swing joint, the bottom and fixed arm (C) swing joint of folding jack (61), the one end and xarm (A) swing joint of upset jack (62), the other end and fixed arm (C) swing joint of upset jack (62).
5. A tunnel timbering machine according to any one of claims 1 to 4, characterised in that: the rotating mechanism (2) comprises a speed reducing motor (21) and a gear mechanism (22), and the speed reducing motor (21) controls the mounting disc (B) through the gear mechanism (22).
6. A tunnel timbering machine according to any one of claims 1 to 4, characterised in that: the rotating mechanism (2) comprises a hydraulic motor and a gear mechanism (22), and the hydraulic motor controls the mounting disc (B) through the gear mechanism (22).
7. The roadway timbering machine of claim 1, wherein: one side of the mounting disc (B) is provided with a telescopic advancing mechanism (3) for adjusting the position of the mounting disc (B), the telescopic advancing mechanism (3) comprises a telescopic jack (31) and a first guide mechanism (32), one end of the telescopic jack (31) is connected with the cross arm (A), the first guide mechanism (32) is sleeved inside two sides of the cross arm (A), one end of the first guide mechanism (32) is connected with the mounting disc (B), and one end, away from the cross arm (A), of the telescopic jack (31) is connected with the mounting disc (B).
8. The roadway timbering machine of claim 1, wherein: elevating system (4) are including lifting jack (41) and second guiding mechanism (42), the top of lifting jack (41) is connected with the bottom of slider (9), the bottom and the fixed arm (C) of lifting jack (41) are connected.
9. A tunnel timbering machine according to any one of claims 1, 2, 3, 4, 7 and 8, characterized in that: the anchor mechanism (5) are arranged on the left side and the right side of the fixed arm (C), the anchor mechanism (5) comprises an anchor jack (53) fixed to the top and the bottom of the fixed arm (C), one end of the anchor jack (53) is fixedly connected with a mandril (51), and one end of the mandril (51) is fixedly connected with an anchor seat (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111338019.3A CN114104969A (en) | 2021-11-12 | 2021-11-12 | Tunnel frame canopy machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111338019.3A CN114104969A (en) | 2021-11-12 | 2021-11-12 | Tunnel frame canopy machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114104969A true CN114104969A (en) | 2022-03-01 |
Family
ID=80378835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111338019.3A Pending CN114104969A (en) | 2021-11-12 | 2021-11-12 | Tunnel frame canopy machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114104969A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2263370A1 (en) * | 1974-03-04 | 1975-10-03 | Bennes Marrel | Mine gallery roof support - has top member connected to swinging boom by cylinder operated intermediate arm |
| SU1121452A1 (en) * | 1982-12-06 | 1984-10-30 | Государственный проектно-конструкторский и экспериментальный институт угольного машиностроения | Arrangement for supporting the breast of a working-face |
| CN2078805U (en) * | 1990-12-22 | 1991-06-12 | 山东省煤炭科学研究所 | Cap-setting machine |
| CN102123821A (en) * | 2008-08-21 | 2011-07-13 | 依赛彼公司 | Device for welding |
| CN103240591A (en) * | 2012-02-03 | 2013-08-14 | 佳能株式会社 | Assembly equipment and assembly method |
| CN205187710U (en) * | 2015-10-21 | 2016-04-27 | 无锡港盛重型装备有限公司 | Roll over arm hoist equipment |
| CN109899095A (en) * | 2019-03-04 | 2019-06-18 | 湖南生物机电职业技术学院 | A kind of multi-platform arching vehicle |
| CN213651635U (en) * | 2020-09-28 | 2021-07-09 | 徐州立人单轨运输装备有限公司 | Monorail crane shed-erecting machine |
-
2021
- 2021-11-12 CN CN202111338019.3A patent/CN114104969A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2263370A1 (en) * | 1974-03-04 | 1975-10-03 | Bennes Marrel | Mine gallery roof support - has top member connected to swinging boom by cylinder operated intermediate arm |
| SU1121452A1 (en) * | 1982-12-06 | 1984-10-30 | Государственный проектно-конструкторский и экспериментальный институт угольного машиностроения | Arrangement for supporting the breast of a working-face |
| CN2078805U (en) * | 1990-12-22 | 1991-06-12 | 山东省煤炭科学研究所 | Cap-setting machine |
| CN102123821A (en) * | 2008-08-21 | 2011-07-13 | 依赛彼公司 | Device for welding |
| CN103240591A (en) * | 2012-02-03 | 2013-08-14 | 佳能株式会社 | Assembly equipment and assembly method |
| CN205187710U (en) * | 2015-10-21 | 2016-04-27 | 无锡港盛重型装备有限公司 | Roll over arm hoist equipment |
| CN109899095A (en) * | 2019-03-04 | 2019-06-18 | 湖南生物机电职业技术学院 | A kind of multi-platform arching vehicle |
| CN213651635U (en) * | 2020-09-28 | 2021-07-09 | 徐州立人单轨运输装备有限公司 | Monorail crane shed-erecting machine |
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Effective date of registration: 20220908 Address after: No. 02, Southeast corner of the intersection of Chemical Road and Yunshan Road, High-tech Zone, Zhengzhou City, Henan Province, 450000 Applicant after: Henan Guoxin Intelligent Technology Research Institute Co.,Ltd. Address before: 450001 room 3a08, building 1, incubator, science and Technology Park, Henan University, No. 11, Changchun Road, high tech Industrial Development Zone, Zhongyuan District, Zhengzhou City, Henan Province Applicant before: Zhengzhou Hexin Intelligent Equipment Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220301 |