CN111911778A - Camera support with self-protection function - Google Patents

Camera support with self-protection function Download PDF

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Publication number
CN111911778A
CN111911778A CN202010835263.XA CN202010835263A CN111911778A CN 111911778 A CN111911778 A CN 111911778A CN 202010835263 A CN202010835263 A CN 202010835263A CN 111911778 A CN111911778 A CN 111911778A
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CN
China
Prior art keywords
support
close
fixedly connected
self
worm
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
CN202010835263.XA
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Chinese (zh)
Inventor
方晓霞
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010835263.XA priority Critical patent/CN111911778A/en
Publication of CN111911778A publication Critical patent/CN111911778A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F16M11/32—Undercarriages for supports with three or more telescoping legs
    • F16M11/36—Members preventing slipping of the feet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories
    • G03B17/561—Support related camera accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/04—Balancing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/08—Foot or support base
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Accessories Of Cameras (AREA)

Abstract

The invention relates to the technical field of auxiliary photographing equipment, and discloses a photographing bracket with a self-protection function, which comprises an outer bracket, wherein the outer side of the outer bracket is movably connected with a fan, the inner side of the outer bracket, which is close to the fan, is movably connected with a bevel gear set, the bottom of the bevel gear set is fixedly connected with a worm, and the bottom of the worm, which is close to the right side of the worm, is meshed with a gear. This kind of photography support with oneself protect function, the rotation of fan through the outside of photography support outer support drives bevel gear group's rotation to the worm that makes to fix at bevel gear group bottom takes place to rotate, drives the rotation with the gear of worm meshing afterwards, because first rack and gear engagement, so the rotation of gear can drive the left removal of first rack, and first rack breaks away from the outer wall outer support of inner support afterwards and can slowly glide along the outer wall of inner support, has reduced photography support's focus, avoids photography support to take place to topple over.

Description

Camera support with self-protection function
Technical Field
The invention relates to the technical field of auxiliary photographing equipment, in particular to a photographing bracket with a self-protection function.
Background
With the rapid development of science and technology, video cameras and digital cameras are increasingly powerful in covering the ground, but in fact, the video cameras and digital cameras are often assisted by camera supports which are not left in the shooting process, the camera supports are not negligible for amateur users and professional users, the shooting supports are also called tripods and mainly play a role in stabilizing the cameras in shooting, but the softness of soil is different in the outdoor shooting process, the shooting is easily influenced by the external environment, and the shooting supports can topple over when meeting strong winds occasionally.
The existing photographic support lacks resistance to sudden weather changes, when strong wind happens, the bottom of the photographic support is partially inserted into soil, but the center of gravity of the photographic support is high when the photographic support is used, the photographic support can topple over when blown by wind, the stability of the photographic support is reduced, a camera fixed on the photographic support falls on the ground, the camera can be damaged, and losses can be caused to amateur users and professional users.
Therefore, we propose a camera stand with a self-protection function to solve the above problems.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purposes of improving the stability of the photographing bracket, reducing the gravity center of the photographing bracket, preventing the photographing bracket from toppling, preventing a camera fixed on the photographing bracket from falling onto the ground to cause damage of the camera, avoiding economic loss and prolonging the service life of the camera when a strong wind happens, the invention provides the following technical scheme: a photographic support with a self-protection function comprises an outer support, wherein a fan is movably connected to the outer side of the outer support, a bevel gear set is movably connected to the inner side of the outer support and close to the inner side of the fan, a worm is fixedly connected to the bottom of the bevel gear set, a gear is meshed to the bottom of the worm and close to the right side of the worm, and a first rack bar is meshed to the bottom of the gear;
a second rack bar is fixedly connected to the inner wall of the outer support and the right side close to the outer support, the inner wall of the outer support is movably connected with the inner support, a gear set is meshed to the left side of the second rack bar and the inner side close to the inner support, a closed coil is fixedly connected to the front side of the gear set, a first magnet is fixedly connected to the inner side of the inner support and the top close to the gear set, and a second magnet is fixedly connected to the inner side of the inner support and the bottom close to the gear set;
the inner side of the inner support is connected with a magnetic block in a sliding mode, the top of the magnetic block is fixedly connected with a first spring, the inner side of the inner support and the bottom of the inner support, which is close to the magnetic block, are connected with a limiting rod in a sliding mode, the inner side of the inner support and the outer side of the inner support, which is close to the limiting rod, are movably connected with a clamping block, the bottom of the clamping block and the inner side of the clamping block, which is close to the limiting rod, are fixedly connected with a second spring, the inner side of the limiting rod is fixedly connected with a.
Preferably, the first rack bar penetrates through the outer wall of the outer support and extends to the inner wall of the outer support, the first rack bar penetrates through the outer wall of the inner support, and the first rack bar plays a role in limiting.
Preferably, the length of the first rack is smaller than that of the second rack, the first rack and the second rack are both made of stainless steel, and the second rack plays a role in transmission.
Preferably, the first magnet and the closed coil are both in a cuboid structure, the opposite surfaces of the first magnet and the closed coil are opposite in magnetism, and the first magnet and the second magnet play a role in generating magnetic induction lines.
Preferably, the length of the first spring is greater than that of the return spring, the length of the return spring is greater than that of the second spring, and the first spring, the second spring and the return spring play roles of stretching and restoring.
Preferably, the limiting rods are symmetrically distributed on two sides of the inner support and are made of stainless steel, and the limiting rods play a role in improving stability.
Preferably, the magnetic block is close to the middle position of the inner support, the magnetic block is in a conical structure, and the magnetic block plays a role in extruding the limiting rod.
Preferably, the width of the outer support is larger than that of the inner support, the outer support and the inner support are made of the same material, and the outer support and the inner support play a supporting role.
(II) advantageous effects
Compared with the prior art, the invention provides a camera support with a self-protection function, which has the following beneficial effects:
1. this kind of photography support with oneself protect function, the rotation of fan through the outside of photography support outer support drives bevel gear group's rotation to the worm that makes to fix at bevel gear group bottom takes place to rotate, drives the rotation with the gear of worm meshing afterwards, because first rack and gear engagement, so the rotation of gear can drive the left removal of first rack, and first rack breaks away from the outer wall outer support of inner support afterwards and can slowly glide along the outer wall of inner support, has reduced photography support's focus, avoids photography support to take place to topple over.
2. This kind of photography support with oneself protect function, through and fixed connection can take place the transmission with the gear train at the outer support inboard and be close to the second rack bar that is close to the outer support right side, the rotation of gear train drives the rotation of closed coil, make the electro-magnet have magnetism, the magnetic path constantly moves down and drives the gag lever post and remove to the outside, after the gag lever post shifts out one section distance of inner support, the fixture block can pop out under the effect of second spring, block the card to the outer wall of inner support, make the gag lever post stretch out in soil, improve photography support's stability, prevent to fix the camera on photography support and drop to the ground, cause the damage of camera, avoid causing loss economic loss, improve the life of camera.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged partial view of portion A of FIG. 1;
FIG. 3 is a schematic structural view of the inner frame of the present invention;
FIG. 4 is an enlarged partial view of the portion B in FIG. 3 according to the present invention.
In the figure: 1. an outer support; 2. a fan; 3. a bevel gear set; 4. a worm; 5. a gear; 6. a first rack bar; 7. a second rack bar; 8. a first magnet; 9. closing the coil; 10. a gear set; 11. a second magnet; 12. a first spring; 13. a magnetic block; 14. a limiting rod; 15. a clamping block; 16. a second spring; 17. a return spring; 18. an electromagnet; 19. and (4) an inner support.
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. 1-4, a camera support with self-protection function comprises an outer support 1, a fan 2 is movably connected to the outer side of the outer support 1, a bevel gear set 3 is movably connected to the inner side of the outer support 1 and close to the fan 2, a worm 4 is fixedly connected to the bottom of the bevel gear set 3, a gear 5 is meshed to the bottom of the worm 4 and close to the right side of the worm 4, a first rack bar 6 is meshed to the bottom of the gear 5, the first rack bar 6 penetrates through the outer wall of the outer support 1 and extends to the inner wall of the outer support 1, and the first rack bar 6 penetrates through the outer wall of an inner support 19;
a second rack bar 7 is fixedly connected to the inner wall of the outer support 1 and close to the right side of the outer support 1, the length of the first rack bar 6 is smaller than that of the second rack bar 7, the first rack bar 6 and the second rack bar 7 are made of stainless steel materials, the inner wall of the outer support 1 is movably connected with an inner support 19, the width of the outer support 1 is larger than that of the inner support 19, the outer support 1 and the inner support 19 are made of the same materials, a gear set 10 is meshed to the left side of the second rack bar 7 and close to the inner side of the inner support 19, a closed coil 9 is fixedly connected to the front side of the gear set 10, a first magnet 8 is fixedly connected to the inner side of the inner support 19 and close to the top of the gear set 10, the first magnet 8 and the closed coil 9 are of cuboid structures, opposite surfaces of the first magnet 8 and the closed coil 9 are opposite in magnetism, and a second magnet 11 is;
the inner side of the inner support 19 is connected with a magnetic block 13 in a sliding mode, the magnetic block 13 is close to the middle position of the inner support 19, the magnetic block 13 is of a conical structure, the top of the magnetic block 13 is fixedly connected with a first spring 12, the inner side of the inner support 19 is connected with a limiting rod 14 in a sliding mode and is close to the bottom of the magnetic block 13, the limiting rod 14 is symmetrically distributed on two sides of the inner support 19, the limiting rod 14 is made of stainless steel, the inner side of the inner support 19 is movably connected with a clamping block 15 close to the outer side of the limiting rod 14, the bottom of the clamping block 15 is fixedly connected with a second spring 16 close to the inner side of the limiting rod 14, the inner side of the limiting rod 14 is fixedly connected with a return spring 17, the length of the first spring 12 is larger than that of the return spring 17, the length of the return spring 17.
The working principle is as follows: when the photographic support is used outdoors, the photographic support is supported and arranged on the ground, the bottom part of the support is inserted into soil to be fixed on the ground, then a camera is fixed on the photographic support to shoot, when the weather influence and the weather meet strong wind, the fan 2 at the outer side of the outer support 1 of the photographic support rotates to drive the bevel gear set 3 to rotate, so that the worm 4 fixed at the bottom end of the bevel gear set 3 rotates, then the gear 5 meshed with the worm 4 rotates, and the rotation of the gear 5 drives the first rack 6 to move leftwards as the first rack 6 is meshed with the gear 5, and then the first rack 6 is separated from the outer wall of the inner support 19.
Under the action of middle gravity, the outer support 1 can slowly slide downwards along the outer wall of the inner support 19, the second gear rod 7 which is fixedly connected to the inner side of the outer support 1 and close to the right side of the outer support 1 can be in transmission with the gear set 10, the gear set 10 rotates to drive the closing coil 9 to rotate, the closing coil 9 rotates to cut a magnetic induction line between the first magnet 8 and the second magnet 11, the electromagnet 18 which is fixedly connected to the bottom of the inner support 19 is made to be magnetic and can adsorb the magnetic block 13 to move downwards, the magnetic block 13 continuously moves downwards to drive the limiting rod 14 to move outwards, after the limiting rod 14 moves out of the inner support 19 for a distance, the clamping block 15 can pop up under the action of the second spring 16, the clamping block 15 is clamped on the outer wall of the inner support 19, the limiting rod 14 extends out of soil, the gravity center of the photographic support is reduced, and the stability of the photographic.
After the strong wind is over, the outer support 1 is lifted upwards, the outer support 1 can slide to the top along the outer wall of the inner support 19, the first toothed bar 6 penetrates through the outer wall of the outer support 1 to the outer wall of the inner support 19, then the electromagnet 18 is demagnetized, the magnetic block 13 is restored under the action of the first spring 12, the photographing support is lifted from soil, soil on the outer side of the limiting rod 14 is removed, the clamping block 15 is pressed, the limiting rod 14 can be contracted to the inner side of the inner support 19 under the action of the reset spring 17, and the photographing support can be prevented in the same manner.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A camera support with self-protection function, includes outer support (1), its characterized in that: the fan (2) is movably connected to the outer side of the outer support (1), the bevel gear set (3) is movably connected to the inner side of the outer support (1) and the inner side close to the fan (2), a worm (4) is fixedly connected to the bottom of the bevel gear set (3), a gear (5) is meshed to the bottom of the worm (4) and the right side close to the worm (4), and a first rack bar (6) is meshed to the bottom of the gear (5);
a second rack bar (7) is fixedly connected to the inner wall of the outer support (1) and the right side close to the outer support (1), an inner support (19) is movably connected to the inner wall of the outer support (1), a gear set (10) is meshed to the left side of the second rack bar (7) and the inner side close to the inner support (19), a closed coil (9) is fixedly connected to the front of the gear set (10), a first magnet (8) is fixedly connected to the inner side of the inner support (19) and the top close to the gear set (10), and a second magnet (11) is fixedly connected to the inner side of the inner support (19) and the bottom close to the gear set (10);
the inner side of the inner support (19) is connected with a magnetic block (13) in a sliding mode, the top of the magnetic block (13) is fixedly connected with a first spring (12), the inner side of the inner support (19) and the bottom close to the magnetic block (13) are connected with a limiting rod (14) in a sliding mode, the inner side of the inner support (19) and the outer side close to the limiting rod (14) are movably connected with a clamping block (15), the bottom of the clamping block (15) and the inner side close to the limiting rod (14) are fixedly connected with a second spring (16), the inner side of the limiting rod (14) is fixedly connected with a return spring (17), and the inner wall of the inner support (19) and the bottom close to the limiting rod (14) are fixedly connected with an.
2. A camera stand with self-protection according to claim 1, further comprising: the first rack bar (6) penetrates through the outer wall of the outer support (1) and extends to the inner wall of the outer support (1), and the first rack bar (6) penetrates through the outer wall of the inner support (19).
3. A camera stand with self-protection according to claim 1, further comprising: the length of the first toothed bar (6) is smaller than that of the second toothed bar (7), and the first toothed bar (6) and the second toothed bar (7) are both made of stainless steel.
4. A camera stand with self-protection according to claim 1, further comprising: the shape of the first magnet (8) and the shape of the closing coil (9) are both cuboid structures, and the opposite surfaces of the first magnet (8) and the closing coil (9) are opposite in magnetism.
5. A camera stand with self-protection according to claim 1, further comprising: the length of the first spring (12) is greater than that of the return spring (17), and the length of the return spring (17) is greater than that of the second spring (16).
6. A camera stand with self-protection according to claim 1, further comprising: the limiting rods (14) are symmetrically distributed on two sides of the inner support (19), and the limiting rods (14) are made of stainless steel.
7. A camera stand with self-protection according to claim 1, further comprising: the magnetic block (13) is close to the middle position of the inner support (19), and the magnetic block (13) is in a conical structure.
8. A camera stand with self-protection according to claim 1, further comprising: the width of the outer support (1) is larger than that of the inner support (19), and the outer support (1) and the inner support (19) are made of the same material.
CN202010835263.XA 2020-08-19 2020-08-19 Camera support with self-protection function Pending CN111911778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010835263.XA CN111911778A (en) 2020-08-19 2020-08-19 Camera support with self-protection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010835263.XA CN111911778A (en) 2020-08-19 2020-08-19 Camera support with self-protection function

Publications (1)

Publication Number Publication Date
CN111911778A true CN111911778A (en) 2020-11-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112908219A (en) * 2021-01-28 2021-06-04 宋国全 Prevent pounding outdoor propaganda device for advertising media that prevents empting

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JPH11304410A (en) * 1998-04-22 1999-11-05 Nihon Samicon Kk Sensor for detecting loose anchor, and fitting structure thereof
CN201634327U (en) * 2009-09-23 2010-11-17 南通润邦重机有限公司 Magnetic sensitive control and anchoring device for gantry crane
CN202320783U (en) * 2011-10-08 2012-07-11 天津职业技术师范大学 Paper honeycomb buffer landing device of air drop robot
CN104499761A (en) * 2014-12-16 2015-04-08 左常亮 Wire pole fixing pier
KR20170013723A (en) * 2015-07-28 2017-02-07 삼성중공업 주식회사 Suction pile anchor
CN107675674A (en) * 2017-09-05 2018-02-09 华北水利水电大学 The flexible earth anchor gabion positioner of crevasse quick blocking
CN207553706U (en) * 2017-09-20 2018-06-29 张纯昊 A kind of building site container trailer typhoon protection device
CN109881672A (en) * 2019-03-25 2019-06-14 厦门市金海明工贸有限公司 A kind of reamer type expansion body earth anchor
CN210238485U (en) * 2019-05-10 2020-04-03 济南长兴建设集团有限公司 Prevent precast pile for building of come-up
CN111481000A (en) * 2020-04-20 2020-08-04 湖州永威家居科技有限公司 Gear-limited table supporting device capable of always keeping horizontal

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11304410A (en) * 1998-04-22 1999-11-05 Nihon Samicon Kk Sensor for detecting loose anchor, and fitting structure thereof
CN201634327U (en) * 2009-09-23 2010-11-17 南通润邦重机有限公司 Magnetic sensitive control and anchoring device for gantry crane
CN202320783U (en) * 2011-10-08 2012-07-11 天津职业技术师范大学 Paper honeycomb buffer landing device of air drop robot
CN104499761A (en) * 2014-12-16 2015-04-08 左常亮 Wire pole fixing pier
KR20170013723A (en) * 2015-07-28 2017-02-07 삼성중공업 주식회사 Suction pile anchor
CN107675674A (en) * 2017-09-05 2018-02-09 华北水利水电大学 The flexible earth anchor gabion positioner of crevasse quick blocking
CN207553706U (en) * 2017-09-20 2018-06-29 张纯昊 A kind of building site container trailer typhoon protection device
CN109881672A (en) * 2019-03-25 2019-06-14 厦门市金海明工贸有限公司 A kind of reamer type expansion body earth anchor
CN210238485U (en) * 2019-05-10 2020-04-03 济南长兴建设集团有限公司 Prevent precast pile for building of come-up
CN111481000A (en) * 2020-04-20 2020-08-04 湖州永威家居科技有限公司 Gear-limited table supporting device capable of always keeping horizontal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112908219A (en) * 2021-01-28 2021-06-04 宋国全 Prevent pounding outdoor propaganda device for advertising media that prevents empting
CN112908219B (en) * 2021-01-28 2022-11-08 湖南高速广告经营有限公司 Prevent pounding outdoor propaganda device for advertising media that prevents empting

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