CN112160779A - Strengthen anti-collapse side auxiliary assembly of soil shear force - Google Patents
Strengthen anti-collapse side auxiliary assembly of soil shear force Download PDFInfo
- Publication number
- CN112160779A CN112160779A CN202011022146.8A CN202011022146A CN112160779A CN 112160779 A CN112160779 A CN 112160779A CN 202011022146 A CN202011022146 A CN 202011022146A CN 112160779 A CN112160779 A CN 112160779A
- Authority
- CN
- China
- Prior art keywords
- fastening
- gear
- movably connected
- early warning
- transmission
- 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- Withdrawn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
- 239000002689 soil Substances 0.000 title claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 238000003860 storage Methods 0.000 claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 238000010008 shearing Methods 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000009412 basement excavation Methods 0.000 abstract description 4
- 230000002337 anti-port Effects 0.000 description 9
- 239000000701 coagulant Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 5
- 241000238631 Hexapoda Species 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002917 insecticide Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 244000045947 parasite Species 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000507 anthelmentic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/12—Scaring or repelling devices, e.g. bird-scaring apparatus using odoriferous substances, e.g. aromas, pheromones or chemical agents
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M9/00—Special adaptations or arrangements of powder-spraying apparatus for purposes covered by this subclass
- A01M9/0053—Mechanical dusters
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0093—Accessories
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
- E21F17/185—Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Pest Control & Pesticides (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Birds (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to the technical field of anti-collapse in the process of tunnel excavation, and discloses an anti-collapse auxiliary device for reinforcing soil shearing force, which comprises a movable hole, the middle of the movable hole is movably connected with an early warning spring, the top of the safety rod is movably connected with a transmission screw rod, the bottom of the transmission screw rod is fixedly connected with a transmission gear, the right side of the transmission gear is movably connected with a fastening gear, the top of the fastening gear is fixedly connected with a fastening screw rod, the transmission gear rotates to drive the fastening gear to rotate, the fastening screw rod is driven to rotate by the rotation of the fastening gear, the fastening screw rod rotates to drive the fastening block to move upwards to compress the fastening spring, further the pneumatic box is pushed to compress the liquid storage box, the fastening needle is completely extruded out of the liquid storage box, as the slender fastening needle can play a role similar to a tree root after being extruded to reinforce the soil around, the effect of simulating the tree root to reinforce the soil and prevent landslide is achieved.
Description
Technical Field
The invention relates to the technical field of anti-collapse in a tunnel excavation process, in particular to anti-collapse auxiliary equipment for reinforcing soil shearing force.
Background
Along with the rapid development of science and technology and the scarcity of land resources, more and more buildings and facilities are selected to be built at the ground bottom, so that the pressure for using ground land can be effectively relieved, a tunnel at the ground bottom is required to be excavated for operation during the construction of the buildings, and a movable support is generally adopted to prevent the tunnel from collapsing for protection in the tunnel excavation process.
The common movable support method has high input cost, tunnel collapse caused by the movement of animals in soil, soil loosening caused by soil immersion moisture and the like can occur in the tunnel excavation process, the safety of constructors and the property of construction units are damaged, and no effective alarm facility exists at the collapse occurrence position.
Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and an anti-collapse auxiliary device for enhancing the shearing force of soil is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the collapse prevention auxiliary equipment for strengthening the shearing force of the soil, which has the advantages of simulating the roots to reinforce the soil to prevent collapse, automatically injecting the soil coagulant mixed with the insecticide to strengthen the strength of the soil, expelling insects and giving an alarm when collapsing, and solves the problems that the collapse is caused by the fact that the soil is loosened and no effective quotation facility is available in the traditional movable support method.
(II) technical scheme
In order to realize the purposes of reinforcing soil by the simulated tree roots to prevent collapse, automatically injecting a soil coagulant mixed with an insecticide to strengthen the soil strength, expelling insects and giving an alarm when collapsing, the invention provides the following technical scheme: an anti-collapse auxiliary device for strengthening soil shearing force comprises a shell, wherein a safety rod is movably connected to the bottom of the inner wall of the shell, a movable hole is formed in the middle of the safety rod, an early warning spring is movably connected to the middle of the movable hole, a transmission screw rod is movably connected to the top of the safety rod, a transmission gear is fixedly connected to the bottom of the transmission screw rod, a fastening gear is movably connected to the right side of the transmission gear, a fastening screw rod is fixedly connected to the top of the fastening gear, a fastening block is movably connected to the top of the fastening screw rod, a fastening spring is fixedly connected to the top of the fastening block, a pneumatic box is fixedly connected to the top of the fastening spring, a liquid storage box is movably connected to the top of the pneumatic box, a fastening needle is fixedly connected to the inner wall of the liquid storage, the early warning device is characterized in that a rotating groove is formed in the inner wall of the reverse gear, an early warning shaft is movably connected inside the reverse gear, clamping blocks are movably connected to the left side and the right side of the early warning shaft, a knocking rod is fixedly connected to the bottom of the early warning shaft, and a sound transmission rod is movably connected to the right side of the knocking rod.
Preferably, the central axis of the reverse gear is in the same straight line with the central axis of the early warning shaft and the central axis of the knocking rod, and the reverse gear is meshed with the early warning gear.
Preferably, the specification size of the clamping block is consistent with that of the rotating groove, and the bottom of the clamping block is fixedly connected with a spring.
Preferably, the specification size of the movable hole is consistent with that of the transmission screw rod, and the horizontal distance from the movable hole to the transmission screw rod is equal to the right distance from the bumper to the inner wall of the shell.
Preferably, the safety lever is slidably connected with the bottom of the inner wall of the shell.
Preferably, the fastening needle is made of a retractable metal needle cylinder, and the top of the fastening needle is made of rubber.
Preferably, a sound amplification device is arranged in the sound transmission rod.
Preferably, the insect repelling powder is placed in the pneumatic box, and the pneumatic box is made of rubber.
Preferably, the liquid in the liquid storage box is a soil coagulant, and the top of the inner wall of the liquid storage box is fixedly connected with a needle.
(III) advantageous effects
Compared with the prior art, the invention provides the collapse-prevention auxiliary equipment for reinforcing the soil shear force, which has the following beneficial effects:
1. the collapse-prevention auxiliary equipment for strengthening the soil shearing force can slide rightwards through the safety rod until the safety rod touches the inner wall of the shell and stops, the movable hole is positioned under the transmission screw rod, the top of the transmission screw rod and the liquid storage box is inserted into soil, the transmission screw rod moves downwards at the moment to further drive the transmission gear to rotate, the transmission gear rotates to drive the fastening gear to rotate, the fastening gear rotates to drive the fastening screw rod to rotate, the fastening screw rod rotates to drive the fastening block to move upwards to compress the fastening spring, and the pneumatic box is pushed to compress the liquid storage box, at the moment, because the liquid storage box is inserted into the soil, the soil provides a directional acting force for the liquid storage box, when the acting force is large enough, the liquid storage box is prevented from advancing, the pressure in the liquid storage box continues to pressurize the fastening needle until the fastening needle is completely extruded out of the liquid storage box, and because the fastening needle can play a role similar to roots after, thereby reached the simulation root and consolidated the effect that prevents the collapse to soil, after the liquid storage box was extruded completely, fastening spring continued to impel pneumatic box, liquid storage box internal pressure continued to increase, finally in the soil coagulant in the liquid storage box hit the needle mouth of fastening needle and pour into the soil in, pneumatic box was punctured to the syringe needle in the liquid storage box simultaneously, the pneumatic box was punctured to the pneumatic box of expelling parasite powder in it after being punctured through the liquid storage box blowout to the effect of expelling parasite when automatic injection soil coagulant, drive powder strengthened soil intensity has been reached.
2. This strengthen soil shear force prevent collapse auxiliary assembly, kick-back through the early warning spring, make the transmission lead screw rise, thereby make early warning gear antiport, early warning gear antiport drives the reverse gear antiport, reverse gear antiport makes the fixture block card rotate the inslot, and then drive the early warning axle and rotate, the early warning axle rotates and drives and strikes the pole and rotate, thereby strike the sound production pole, sound spreads out after the sound is enlargied through the sound transmission pole, strive for the time of fleing for the constructor early warning, thereby the effect of sending out alarm sound when collapsing has been reached.
Drawings
FIG. 1 is a schematic view of a gear structure according to the present invention;
FIG. 2 is a schematic view of the structure of the driving screw rod of the present invention;
FIG. 3 is a schematic view of a rotary slot structure according to the present invention;
FIG. 4 is a schematic view of the fastening pin structure of the present invention being compressed;
fig. 5 is a schematic view of the knocking rod of the present invention.
In the figure: 1. a housing; 2. fastening the needle; 3. a liquid storage box; 4. a knock bar; 5. an early warning shaft; 6. a bumper; 7. an early warning gear; 8. a reverse gear; 9. a pneumatic cartridge; 10. a fastening spring; 11. a fastening block; 12. fastening a screw rod; 13. a sound transmission rod; 14. fastening the gear; 15. a transmission gear; 16. a transmission screw rod; 17. a movable hole; 18. a pre-warning spring; 19. a rotating groove; 20. and (7) clamping blocks.
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. 1-5, an anti-collapse auxiliary device for reinforcing soil shearing force comprises a housing 1, a bumper 6 is movably connected to the bottom of the inner wall of the housing 1, the bumper 6 is slidably connected to the bottom of the inner wall of the housing 1, a movable hole 17 is formed in the middle of the bumper 6, an early warning spring 18 is movably connected to the middle of the movable hole 17, a transmission screw 16 is movably connected to the top of the bumper 6, the size of the movable hole 17 is consistent with that of the transmission screw 16, the horizontal distance from the movable hole 17 to the transmission screw 16 is equal to the right distance from the bumper 6 to the inner wall of the housing 1, a transmission gear 15 is fixedly connected to the bottom of the transmission screw 16, a fastening gear 14 is movably connected to the right side of the transmission gear 15, a fastening screw 12 is fixedly connected to the top of the fastening screw 14, a fastening block 11 is movably connected to the top, the top of a fastening spring 10 is fixedly connected with a pneumatic box 9, the top of the pneumatic box 9 is movably connected with a liquid storage box 3, the inner wall of the liquid storage box 3 is fixedly connected with a fastening needle 2, the fastening needle 2 is telescopic needle cylinder-shaped metal, the top of the fastening needle 2 is made of rubber, the top of a transmission screw 16 is fixedly connected with an early warning gear 7, the right side of the early warning gear 7 is movably connected with a reverse gear 8, the central axis of the reverse gear 8 is in the same straight line with the early warning shaft 5 and the central axis of a knocking rod 4, the reverse gear 8 is meshed with the early warning gear 7, the inner wall of the reverse gear 8 is provided with a rotating groove 19, the interior of the reverse gear 8 is movably connected with an early warning shaft 5, the left side and the right side of the early warning shaft 5 are movably connected with clamping blocks 20, the specification size of the clamping blocks 20, the right side of the knocking rod 4 is movably connected with a sound transmission rod 13.
The working principle is as follows: the collapse-prevention auxiliary equipment for strengthening the soil shearing force is characterized in that when the collapse-prevention auxiliary equipment is used, one side, extending out of a safety rod 6, is inserted into soil firstly, when the safety rod 6 is inserted into the soil, the safety rod 6 slides rightwards due to the reaction force of the soil until the safety rod stops touching the inner wall of a shell 1, at the moment, a movable hole 17 is positioned under a transmission screw rod 16, at the moment, the equipment is pressed upwards, the transmission screw rod 16 and the top of a liquid storage box 3 are inserted into the soil, at the moment, the transmission screw rod 16 moves downwards due to the reaction force of the soil and the unsupported bottom, a transmission gear 15 is driven to rotate, the transmission gear 15 rotates to drive a fastening gear 14 to rotate, the fastening gear 14 rotates to drive a fastening screw rod 12 to rotate, the fastening screw rod 12 rotates to drive a fastening block 11 to move upwards to compress a fastening spring 10, and then the liquid storage box 3, so that the soil provides an acting force to the liquid storage box 3 in one direction, when the acting force is large enough, the liquid storage box 3 is prevented from advancing, the pressure in the liquid storage box 3 continuously pressurizes the fastening needle 2 until the fastening needle 2 is completely extruded out of the liquid storage box 3, because the fastening needle 2 can play a role of similar to a tree root after being extruded to reinforce the surrounding soil, thereby achieving the effect of reinforcing the soil by simulating the tree roots to prevent collapse, when the liquid storage box 3 is completely extruded, the fastening spring 10 continues to push the pneumatic box 9, the pressure in the liquid storage box 3 continues to increase, finally, the soil coagulant in the liquid storage box 3 is injected into the soil after breaking the needle opening of the fastening needle 2, meanwhile, the needle head in the liquid storage box 3 punctures the pneumatic box 9, the anthelmintic powder in the punctured pneumatic box 9 is sprayed out through the liquid storage box 3, thereby achieving the effect of automatically injecting the soil coagulant, driving the medicinal powder to strengthen the soil strength and expelling the insects at the same time.
This strengthen anti-collapse auxiliary assembly of soil shear force, if cause the collapse because of other human factors after accomplishing soil stabilization, the pressure of collapse emergence in-process soil to transmission lead screw 16 continuously reduces, early warning spring 18 kick-backs this moment, make transmission lead screw 16 rise, thereby make early warning gear 7 antiport, early warning gear 7 antiport drives 8 antiport, 8 antiport of antiport makes fixture block 20 block in the rotation groove 19, and then drive early warning axle 5 and rotate, early warning axle 5 rotates and drives and strike pole 4 and rotate, thereby strike and pass sound pole 13 and produce the sound, sound is spread out after passing sound pole 13 amplification, carry out the early warning to constructor and strive for the time of escaping, thereby reached the effect of sending out the alarm sound when collapsing.
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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (6)
1. An anti-collapse auxiliary device for reinforcing soil shearing force, which comprises a shell (1), and is characterized in that: the bottom of the inner wall of the shell (1) is movably connected with a safety rod (6), a movable hole (17) is formed in the middle of the safety rod (6), an early warning spring (18) is movably connected in the middle of the movable hole (17), a transmission lead screw (16) is movably connected at the top of the safety rod (6), a transmission gear (15) is fixedly connected at the bottom of the transmission lead screw (16), a fastening gear (14) is movably connected at the right side of the transmission gear (15), a fastening lead screw (12) is fixedly connected at the top of the fastening gear (14), a fastening block (11) is movably connected at the top of the fastening lead screw (12), a fastening spring (10) is fixedly connected at the top of the fastening block (11), a pneumatic box (9) is fixedly connected at the top of the fastening spring (10), a liquid storage box (3) is movably connected at the top of the pneumatic box (9), and a fastening, the early warning device is characterized in that an early warning gear (7) is fixedly connected to the top of the transmission screw rod (16), a reverse gear (8) is movably connected to the right side of the early warning gear (7), a rotating groove (19) is formed in the inner wall of the reverse gear (8), an early warning shaft (5) is movably connected to the inner portion of the reverse gear (8), clamping blocks (20) are movably connected to the left side and the right side of the early warning shaft (5), a knocking rod (4) is fixedly connected to the bottom of the early warning shaft (5), and a sound transmission rod (13) is movably connected to the right side of the.
2. The anti-collapse assisting apparatus for reinforcing soil shear according to claim 1, wherein: the central axis of the reverse gear (8) is in the same straight line with the central axes of the early warning shaft (5) and the knocking rod (4), and the reverse gear (8) is meshed with the early warning gear (7).
3. The anti-collapse assisting apparatus for reinforcing soil shear according to claim 1, wherein: the specification size of the fixture block (20) is consistent with that of the rotating groove (19), and the bottom of the fixture block (20) is fixedly connected with a spring.
4. The anti-collapse assisting apparatus for reinforcing soil shear according to claim 1, wherein: the specification size of the movable hole (17) is consistent with that of the transmission screw rod (16), and the horizontal distance from the movable hole (17) to the transmission screw rod (16) is equal to the right distance from the safety rod (6) to the inner wall of the shell (1).
5. The anti-collapse assisting apparatus for reinforcing soil shear according to claim 1, wherein: the safety rod (6) is connected with the bottom of the inner wall of the shell (1) in a sliding mode.
6. The anti-collapse assisting apparatus for reinforcing soil shear according to claim 1, wherein: the fastening needle (2) is made of telescopic needle-shaped metal, and the top of the fastening needle (2) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022146.8A CN112160779A (en) | 2020-09-25 | 2020-09-25 | Strengthen anti-collapse side auxiliary assembly of soil shear force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022146.8A CN112160779A (en) | 2020-09-25 | 2020-09-25 | Strengthen anti-collapse side auxiliary assembly of soil shear force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112160779A true CN112160779A (en) | 2021-01-01 |
Family
ID=73862969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011022146.8A Withdrawn CN112160779A (en) | 2020-09-25 | 2020-09-25 | Strengthen anti-collapse side auxiliary assembly of soil shear force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112160779A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942965A (en) * | 2021-01-23 | 2021-06-11 | 徐刚 | Auxiliary assembly for reinforcing soil solidification force and improving stability of camping tent |
-
2020
- 2020-09-25 CN CN202011022146.8A patent/CN112160779A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942965A (en) * | 2021-01-23 | 2021-06-11 | 徐刚 | Auxiliary assembly for reinforcing soil solidification force and improving stability of camping tent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3533995C2 (en) | ||
| CN112160779A (en) | Strengthen anti-collapse side auxiliary assembly of soil shear force | |
| CN106688408A (en) | Self-propelled variable-depth variable-position variable-amount fertilizer applicator for orchard | |
| CN108668526A (en) | A kind of pneumatic soil subsoiling head and its working method | |
| DE2854922C3 (en) | Planting arrangement | |
| CN204929772U (en) | Trunk injection integrated device | |
| CN112006009B (en) | A animal of holing administers device for farmland protection | |
| CN202958264U (en) | Trunk punching medicine-injecting device | |
| CN211721096U (en) | Forestry is fertilizer injection unit for deep-rooted tree species | |
| CN215935646U (en) | Forestry sick worm prevention and cure is with annotating medicine integrated device that punches | |
| CN109295988B (en) | Protection device for prevention landslide | |
| CN203988479U (en) | A kind of Standard syringe that flies | |
| CN205883918U (en) | Earth boring machine is planted to agricultural fruit tree | |
| GB1026094A (en) | Method and apparatus for forming piles and buried continuous walls | |
| CN207322235U (en) | The fertilizer apparatus of one planting fruit-trees rhizome | |
| DE923601C (en) | Method for consolidating boreholes in loose rock | |
| CN105214895B (en) | A kind of low-pressure injection method of reinforcing steel bar corrosion inhibitor | |
| CN207172221U (en) | Cutter device is peeped in a kind of PE pipes | |
| CN220490419U (en) | Timber sampler with phosphogypsum filling structure | |
| CN206629825U (en) | A kind of trees look into worm deinsectization device | |
| CN212652130U (en) | Powder coating is with preventing hopper of building bridge | |
| LU103059B1 (en) | Intelligent and amount-variable fertilizing apparatus for large-particle fertilizers | |
| CN212932111U (en) | Integral type geotechnique hits real device | |
| CN220712344U (en) | Water injection device for edible fungus stick | |
| CN214502972U (en) | Termite prevention and cure scientific research is with soil sampling device who is convenient for get material |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210101 |