CN108643945A - A kind of height-adjustable coal mine roadway suspension device - Google Patents
A kind of height-adjustable coal mine roadway suspension device Download PDFInfo
- Publication number
- CN108643945A CN108643945A CN201810454699.7A CN201810454699A CN108643945A CN 108643945 A CN108643945 A CN 108643945A CN 201810454699 A CN201810454699 A CN 201810454699A CN 108643945 A CN108643945 A CN 108643945A
- Authority
- CN
- China
- Prior art keywords
- height
- fixture block
- supporting rod
- coal mine
- mine roadway
- 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.)
- Withdrawn
Links
- 239000003245 coal Substances 0.000 title claims abstract description 42
- 239000000725 suspension Substances 0.000 title claims abstract description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 2
- 238000005553 drilling Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
- H02G3/32—Installations of cables or lines on walls, floors or ceilings using mounting clamps
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a kind of height-adjustable coal mine roadway suspension devices, including pedestal, it is bolted at the center of the upper surface of the pedestal and fixed disk is installed, it is fixedly welded with supporting rod at the center of the fixed disk, the supporting rod is hollow structure, the top of the supporting rod offers threaded hole, it is combined with threaded rod in the threaded hole, it is fixedly welded with lantern ring on the threaded rod, it is provided with handle on the lantern ring, the top of the threaded rod, which is bolted, is equipped with support plate, it is bolted on the supporting rod and holder is installed, it is provided with cable fixing mechanism on the holder, the cable fixing mechanism includes arc lower fixture block and upper arc fixture block, the arc lower fixture block is mounted by means of bolts on holder, the upper arc fixture block is mounted by means of bolts on arc lower fixture block.The conveniently adjusted height of the present invention, can support the tunnel of different height, can fix cable, effective protection cable.
Description
Technical field
The invention belongs to coal mine equipment technical fields, and in particular to a kind of height-adjustable coal mine roadway is filled with supporting
It sets.
Background technology
Coal is most important solid fuel, is one kind of kaustobilite.It is grown by certain geological epoch
Plant in great numbers is gradually accumulated into thick-layer in suitable geological environment, and is buried in water-bed or silt, by very long geology
The geochronic natural incoalation in age and formed.In the world in Various Geolcgical Ages, with the Carboniferous Period, the Permian Period, Jurassic Period and third
Producing coal is most in the stratum of discipline, is important coal-forming age.The phosphorus content of coal is generally 46~97%, brown to black, tool
Have dim to metallic luster.According to the difference of degree of coalification, coal can be divided into peat, four class of lignite, bituminous coal and anthracite.
Coal mine is the mankind in the region of the mining area exploitation coal resources rich in coal, is generally divided into underground mine and outdoor coal
Mine.When coal seam is remote from earth's surface, it is typically chosen to underground and digs drive digging coal, this is underground mine.When coal seam is away from earth's surface
Distance it is close when, be typically chosen directly stripping surface soil layer excavate coal, this is open coal mine.
China's overwhelming majority coal mine belongs to underground mine, needs to dig tunnel digging coal, tunnel is in earth's surface and ore body
Between the various accesses that go out of Drilling, for transporting mine, ventilation and drainage, pedestrian and newly digging for metallurgical equipment extracted ore each
Kind necessary preparation engineering etc..
Coal mine roadway is typically necessary suspension device and is supported, but existing coal mine roadway with suspension device mostly all
It is level altitude, it has not been convenient to its height be adjusted, and need the correlations such as mounted lamp or communication apparatus to set on coal mine roadway
It is standby, it needs to lay cable, drilling and proping is carried out when laying cable, it is cumbersome, it is very inconvenient.Therefore, Wo Menti
Go out a kind of height-adjustable coal mine roadway suspension device.
Invention content
The purpose of the present invention is to provide a kind of height-adjustable coal mine roadway suspension devices, to solve above-mentioned background
It is proposed that coal mine roadway suspension device is all level altitude mostly in the prior art in technology, it has not been convenient to its height is adjusted,
And the relevant devices such as mounted lamp or communication apparatus are needed on coal mine roadway, need lay cable, lay cable when need into
Row drilling and proping, cumbersome, very inconvenient problem.
To achieve the above object, present invention employs following technical solutions：
A kind of height-adjustable coal mine roadway suspension device, including pedestal, at the center of the upper surface of the pedestal
It is bolted and fixed disk is installed, supporting rod is fixedly welded at the center of the fixed disk, the supporting rod is hollow
The top of structure, the supporting rod offers threaded hole, and threaded rod is combined in the threaded hole, weldering is fixed on the threaded rod
It is connected to lantern ring, handle is provided on the lantern ring, the top of the threaded rod, which is bolted, is equipped with support plate, the branch
It is bolted on strut and holder is installed, cable fixing mechanism, the cable fixing mechanism packet are provided on the holder
Arc lower fixture block and upper arc fixture block are included, the arc lower fixture block is mounted by means of bolts on holder, the upper arc card
Block is mounted by means of bolts on arc lower fixture block.
Preferably, the pedestal is round plate body structure, and mounting hole is offered on the pedestal.
Preferably, it is welded with ribs between the fixed disk and the bottom end of supporting rod.
Preferably, reinforcing mechanisms are provided between the upper surface and supporting rod of the pedestal, the reinforcing mechanisms are about branch
Strut is symmetrically arranged at least two groups.
Preferably, the reinforcing mechanisms include hinged ear, clip and connecting rod, on the edge of the pedestal and clip
It is fixedly welded with hinged ear, the clip is fastened on supporting rod, and the connecting rod is hinged on by axis pin on pedestal and clip
Hinged ear between.
Preferably, holder structure triangular in shape, and holder is angularly provided at least two along the peripheral side of supporting rod
Group.
Preferably, equal secure attachment has rubber pad on the inner arc surface of the arc lower fixture block and upper arc fixture block.
Preferably, the handle is angularly provided with three groups along the peripheral side of lantern ring, and the length of the handle is 20-30
㎝。
Preferably, the arc-shaped structure in the upper surface of the support plate.
The technique effect and advantage of the present invention：A kind of height-adjustable coal mine roadway proposed by the present invention is filled with supporting
It sets, compared with prior art, has the following advantages：
1, lantern ring can be driven to rotate by handle, and then threaded rod is driven to be rotated in threaded hole, adjusted threaded rod and stretch into
Length in supporting rod can support the tunnel of different height to adjust the height of the device；
2, cable can be fixed by arc lower fixture block and upper arc fixture block, effective protection cable, and facilitates cable
Installation is fixed, it is not necessary to additionally set up cable support；
3, structure of the invention reasonable design, ribs and reinforcing mechanisms ensure that the bonding strength of the device, and supportive is good,
It is worthy to be popularized and popularizes.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the schematic cross-sectional view of the pedestal of the present invention；
Fig. 3 is the schematic cross-sectional view of the supporting rod of the present invention；
Fig. 4 is the structural schematic diagram of the cable fixing mechanism of the present invention.
In figure：1 pedestal, 2 fix disks, 3 supporting rods, 4 threaded holes, 5 threaded rods, 6 lantern rings, 7 handles, 8 support plates, 9 holders,
10 cable fixing mechanisms, 101 arc lower fixture blocks, arc fixture block, 11 mounting holes, 12 ribs, 13 reinforcing mechanisms, 131 hinges on 102
Lug, 132 clips, 133 connecting rods, 14 rubber pads.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
The present invention provides a kind of height-adjustable coal mine roadway suspension devices as shown in Figs 1-4, including pedestal
1, it is bolted at the center of the upper surface of the pedestal 1 and fixed disk 2 is installed, fixed at the center of the fixed disk 2
It is welded with supporting rod 3, the supporting rod 3 is hollow structure, and the top of the supporting rod 3 offers threaded hole 4, the threaded hole
Threaded rod 5 is combined in 4, the screw thread on screw thread and threaded rod 4 in threaded hole 4 is trapezoidal thread, and intensity is high, is not easy pine
Dynamic, bearing capacity is good, and lantern ring 6 is fixedly welded on the threaded rod 5, and handle 7 is provided on the lantern ring 6, the threaded rod 5
Top, which is bolted, is equipped with support plate 8, lantern ring 6 can be driven to rotate by handle 7, and then drive threaded rod 5 in screw thread
It is rotated in hole 4, adjusts threaded rod 5 and stretch into the length in supporting rod 3, to adjust the height of the device, pass through on the supporting rod 3
Bolt is installed with holder 9, cable fixing mechanism 10 is provided on the holder 9, under the cable fixing mechanism 10 includes
Arc fixture block 101 and upper arc fixture block 102, the arc lower fixture block 101 are mounted by means of bolts on holder 9, it is described on
Arc fixture block 102 is mounted by means of bolts on arc lower fixture block 101, between arc lower fixture block 101 and upper arc fixture block 102
Constitute for cable by gap, cable can be fixed by arc lower fixture block 101 and upper arc fixture block 102, effectively protect
Cable is protected, and the installation of cable is facilitated to fix.
Preferably, the pedestal 1 is round plate body structure, mounting hole 11 is offered on the pedestal 1.
By using above-mentioned technical proposal, pedestal 1 is provided in round plate body structure, it is ensured that the stability of pedestal 1, peace
Dress hole 11, which can facilitate, is installed pedestal 1 on the ground using foundation bolt, more firm.
Preferably, being welded with ribs 12 between the fixed disk 2 and the bottom end of supporting rod 3.
By using above-mentioned technical proposal, ribs 12 can increase the bonding strength between fixed disk 2 and supporting rod 3, can
Increase the stability of supporting rod 3.
Preferably, being provided with reinforcing mechanisms 13, the reinforcing mechanisms 13 between the upper surface and supporting rod 3 of the pedestal 1
It is symmetrically arranged at least two groups about supporting rod 3.
By using above-mentioned technical proposal, reinforcing mechanisms 13 can enhance the bonding strength between pedestal 1 and supporting rod 3, into
One step increases the stability of supporting rod 3.
Preferably, the reinforcing mechanisms 13 include hinged ear 131, clip 132 and connecting rod 133, the edge of the pedestal 1
It is fixedly welded with hinged ear 131 on place and clip 132, the clip 132 is fastened on supporting rod 3, and the connecting rod 133 is logical
It crosses between the hinged ear 131 that axis pin is hinged on pedestal 1 and clip 132.
By using above-mentioned technical proposal, clip 132 can convenient card be set on supporting rod 3, connecting rod 133 passes through hinged ear
131 is easy to connect.
Preferably, 9 structure triangular in shape of the holder, and holder 9 is angularly provided at least along the peripheral side of supporting rod 3
Two groups.
By using above-mentioned technical proposal, holder 9 is set as triangular structure, it is ensured that the stability of holder 9.
Preferably, equal secure attachment has rubber pad on the inner arc surface of the arc lower fixture block 101 and upper arc fixture block 102
14。
By using above-mentioned technical proposal, rubber pad 14 can protect the outer layer of cable, avoid scratching, scratch the outer of cable
Layer.
Preferably, the handle 7 is angularly provided with three groups along the peripheral side of lantern ring 6, the length of the handle 7 is 20-
30㎝。
By using above-mentioned technical proposal, staff's rotational handle can be facilitated, at the same can avoid the long stretching of handle 7 and
Damage staff.
Preferably, the arc-shaped structure in the upper surface of the support plate 8.
By using above-mentioned technical proposal, the upper surface of support plate 8 is set as arcuate structure, it is made more to be bonded the top in tunnel
Face.
Operation principle：In use, after the device is transported to the position for needing supporting in coal mine roadway, according to coal mine roadway
Height, by handle 7 drive lantern ring 6 rotate, and then drive threaded rod 5 rotated in threaded hole 4, adjust threaded rod 5 stretch into
The device is adjusted to suitable height, support plate 8 is made to play effectively the top surface of coal mine roadway by the length in supporting rod 3
Cable is placed on arc lower fixture block 101, and be mounted on down upper arc fixture block 102 by bolt by support when installing cable
On arc fixture block 101, cable is fixed.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (9)
1. a kind of height-adjustable coal mine roadway suspension device, including pedestal (1), it is characterised in that：The pedestal (1)
It is bolted at the center of upper surface and fixed disk (2) is installed, support is fixedly welded at the center of the fixed disk (2)
Bar (3), the supporting rod (3) are hollow structure, and the top of the supporting rod (3) offers threaded hole (4), the threaded hole
(4) it is combined with threaded rod (5) in, lantern ring (6) is fixedly welded on the threaded rod (5), handle is provided on the lantern ring (6)
(7), the top of the threaded rod (5), which is bolted, is equipped with support plate (8), solid by bolt on the supporting rod (3)
Dingan County is equipped with holder (9), is provided with cable fixing mechanism (10) on the holder (9), the cable fixing mechanism (10) includes
Arc lower fixture block (101) and upper arc fixture block (102), the arc lower fixture block (101) are mounted by means of bolts on holder (9)
On, the upper arc fixture block (102) is mounted by means of bolts on arc lower fixture block (101).
2. a kind of height-adjustable coal mine roadway suspension device according to claim 1, it is characterised in that：The bottom
Seat (1) is round plate body structure, and mounting hole (11) is offered on the pedestal (1).
3. a kind of height-adjustable coal mine roadway suspension device according to claim 1, it is characterised in that：It is described solid
Ribs (12) is welded between price fixing (2) and the bottom end of supporting rod (3).
4. a kind of height-adjustable coal mine roadway suspension device according to claim 1, it is characterised in that：The bottom
Reinforcing mechanisms (13) are provided between the upper surface and supporting rod (3) of seat (1), the reinforcing mechanisms (13) are about supporting rod (3)
It is symmetrically arranged at least two groups.
5. a kind of height-adjustable coal mine roadway suspension device according to claim 4, it is characterised in that：It is described to add
Strong mechanism (13) includes hinged ear (131), clip (132) and connecting rod (133), the edge of the pedestal (1) and clip
(132) hinged ear (131) is fixedly welded on, the clip (132) is fastened on supporting rod (3), the connecting rod (133)
It is hinged between the hinged ear (131) on pedestal (1) and clip (132) by axis pin.
6. a kind of height-adjustable coal mine roadway suspension device according to claim 1, it is characterised in that：The branch
Frame (9) structure triangular in shape, and holder (9) is angularly provided at least two groups along the peripheral side of supporting rod (3).
7. a kind of height-adjustable coal mine roadway suspension device according to claim 1, it is characterised in that：Under described
Equal secure attachment has rubber pad (14) on the inner arc surface of arc fixture block (101) and upper arc fixture block (102).
8. a kind of height-adjustable coal mine roadway suspension device according to claim 1, it is characterised in that：The hand
Handle (7) is angularly provided with three groups along the peripheral side of lantern ring (6), and the length of the handle (7) is 20-30 ㎝.
9. a kind of height-adjustable coal mine roadway suspension device according to claim 1, it is characterised in that：The branch
The arc-shaped structure in upper surface of fagging (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810454699.7A CN108643945A (en) | 2018-05-14 | 2018-05-14 | A kind of height-adjustable coal mine roadway suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810454699.7A CN108643945A (en) | 2018-05-14 | 2018-05-14 | A kind of height-adjustable coal mine roadway suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108643945A true CN108643945A (en) | 2018-10-12 |
Family
ID=63755119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810454699.7A Withdrawn CN108643945A (en) | 2018-05-14 | 2018-05-14 | A kind of height-adjustable coal mine roadway suspension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108643945A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022091A (en) * | 2019-12-05 | 2020-04-17 | 中铁隧道集团三处有限公司 | Multi-angle supporting rod for tunnel preliminary bracing |
| CN111101984A (en) * | 2020-01-17 | 2020-05-05 | 淮阴工学院 | Tunnel supporting mechanism |
| CN111706764A (en) * | 2020-06-22 | 2020-09-25 | 武汉虹信技术服务有限责任公司 | Auxiliary device suitable for 3D building modeling compares |
| CN115355051A (en) * | 2022-07-21 | 2022-11-18 | 中勘资源勘探科技股份有限公司 | Temporary auxiliary supporting device for underground resource exploration |
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| JPS62201222U (en) * | 1986-06-13 | 1987-12-22 | ||
| JPH11220829A (en) * | 1998-01-30 | 1999-08-10 | Asahi Electric Works Ltd | Supporting hardware for cable |
| CN201486574U (en) * | 2009-06-08 | 2010-05-26 | 徐旺斌 | Light hand-operated hydraulic supporting frame |
| CN102628525A (en) * | 2012-03-28 | 2012-08-08 | 上海市电力公司 | High strength composite material combination power cable support |
| CN202493278U (en) * | 2012-04-05 | 2012-10-17 | 湖南时代矿山机械制造有限责任公司 | Portable spiral brace |
| CN204615300U (en) * | 2015-05-18 | 2015-09-02 | 湖南湘贤科技有限公司 | Cable snake shaped laying fixedly uses fixture |
| CN206562937U (en) * | 2017-03-15 | 2017-10-17 | 刘体军 | A kind of colliery driving suspension device with regulatory function |
| CN206595667U (en) * | 2017-02-28 | 2017-10-27 | 山东省田庄煤矿 | New Coal Mine underground cable testing bridge |
| CN207229134U (en) * | 2017-10-10 | 2018-04-13 | 湖南工学院 | A kind of safety of coal mines protection support device |
-
2018
- 2018-05-14 CN CN201810454699.7A patent/CN108643945A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62201222U (en) * | 1986-06-13 | 1987-12-22 | ||
| JPH11220829A (en) * | 1998-01-30 | 1999-08-10 | Asahi Electric Works Ltd | Supporting hardware for cable |
| CN201486574U (en) * | 2009-06-08 | 2010-05-26 | 徐旺斌 | Light hand-operated hydraulic supporting frame |
| CN102628525A (en) * | 2012-03-28 | 2012-08-08 | 上海市电力公司 | High strength composite material combination power cable support |
| CN202493278U (en) * | 2012-04-05 | 2012-10-17 | 湖南时代矿山机械制造有限责任公司 | Portable spiral brace |
| CN204615300U (en) * | 2015-05-18 | 2015-09-02 | 湖南湘贤科技有限公司 | Cable snake shaped laying fixedly uses fixture |
| CN206595667U (en) * | 2017-02-28 | 2017-10-27 | 山东省田庄煤矿 | New Coal Mine underground cable testing bridge |
| CN206562937U (en) * | 2017-03-15 | 2017-10-17 | 刘体军 | A kind of colliery driving suspension device with regulatory function |
| CN207229134U (en) * | 2017-10-10 | 2018-04-13 | 湖南工学院 | A kind of safety of coal mines protection support device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022091A (en) * | 2019-12-05 | 2020-04-17 | 中铁隧道集团三处有限公司 | Multi-angle supporting rod for tunnel preliminary bracing |
| CN111101984A (en) * | 2020-01-17 | 2020-05-05 | 淮阴工学院 | Tunnel supporting mechanism |
| CN111706764A (en) * | 2020-06-22 | 2020-09-25 | 武汉虹信技术服务有限责任公司 | Auxiliary device suitable for 3D building modeling compares |
| CN115355051A (en) * | 2022-07-21 | 2022-11-18 | 中勘资源勘探科技股份有限公司 | Temporary auxiliary supporting device for underground resource exploration |
| CN115355051B (en) * | 2022-07-21 | 2023-12-05 | 中勘资源勘探科技股份有限公司 | Temporary auxiliary supporting device for underground resource exploration |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190530 Address after: 730700 Yuankuan Society No. 114, Yuankuan Village, Liujiazhaizi Township, Huining County, Baiyin City, Gansu Province Applicant after: Cheng Weiqiang Address before: 610000 Sichuan City Vocational College, 351 Donghonghe Avenue Middle Road, Longquanyi District, Chengdu City, Sichuan Province Applicant before: Chen Yuling |
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| TA01 | Transfer of patent application right | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181012 |
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| WW01 | Invention patent application withdrawn after publication |