CN112227827A - Gravel foundation pit support structure - Google Patents
Gravel foundation pit support structure Download PDFInfo
- Publication number
- CN112227827A CN112227827A CN202010990442.0A CN202010990442A CN112227827A CN 112227827 A CN112227827 A CN 112227827A CN 202010990442 A CN202010990442 A CN 202010990442A CN 112227827 A CN112227827 A CN 112227827A
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- Prior art keywords
- layer
- enclosure
- fixed
- foundation pit
- parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a sandstone foundation pit retaining structure, wherein two lower-layer enclosing parts are rotationally connected through a hinge, liftable upper-layer enclosing parts are vertically and movably connected above the two lower-layer enclosing parts, a group of adjusting components corresponding to the upper-layer enclosing parts are respectively arranged on the two upper-layer enclosing parts, and the two groups of adjusting components are connected through a transmission structure; the two lower layer enclosure parts connected through the hinge can be overturned around the hinge, the adjusting assembly is utilized to drive the overturning assembly to act, so that the two lower layer enclosure parts can be mutually folded and unfolded, the folding, the transportation and the storage are convenient, when the lower layer enclosure parts are mutually unfolded, the adjusting assembly is used for driving the upper layer enclosure parts corresponding to the two lower layer enclosure parts to lift, when the two lower layer enclosure parts are unfolded, the upper layer enclosure parts are lifted, and the enclosure height is increased; the effective contact radius of the lower layer surrounding blocking piece and the ground can be adjusted by the movable base component movably arranged at the bottom, so that the supporting force can be adjusted.
Description
Technical Field
The invention relates to a building construction tool, in particular to a gravel foundation pit support structure.
Background
The enclosure means measures taken to isolate a construction site from the external environment and make the construction site a relatively closed space, and includes enclosures built by various masonry materials, maintenance bodies formed by various formed plates, and the like.
The fence civilized construction regulations of the construction site are that continuous and closed fences are arranged around the construction engineering site according to the regulations, and the materials used by the fence barriers are used for ensuring the stability, tidiness and attractiveness of the fences. Municipal works project building site can set up the rail according to the segmentation of engineering progress or use unified continuity guardrail facility according to the regulation. Construction units must not stack building materials, garbage and engineering dregs outside the fence of the construction site.
At the construction site, the grit of piling up temporarily should also adopt to maintain the structure and enclose the fender, and the fender structure that encloses that current adopts the panel of fixed shape to enclose mostly, does not have the contact each other between each baffle, need install one by one when enclosing the fender, and installation and dismantlement and transportation are stored all very inconveniently.
Disclosure of Invention
Based on the defects in the prior art mentioned in the background art, the invention provides the sandstone foundation pit support structure.
The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
a gravel foundation pit enclosure structure comprises two lower-layer enclosure parts, wherein the two lower-layer enclosure parts are rotatably connected through a hinge, and a liftable upper-layer enclosure part is vertically and movably connected above the two lower-layer enclosure parts;
the two upper-layer surrounding blocking pieces are respectively provided with a group of adjusting components corresponding to the upper-layer surrounding blocking pieces, the two groups of adjusting components are connected through a transmission structure, and an overturning component connected with one group of adjusting components is arranged between the two lower-layer surrounding blocking pieces;
the edge of one of the lower layer enclosing pieces is fixed with an I-shaped seat, and the edge of the other lower layer enclosing piece is movably connected with a connecting structure for adapting to the I-shaped seat; and the bottoms of the two lower surrounding blocking pieces are movably provided with movable base assemblies which are used for contacting the ground foundation to support the lower surrounding blocking pieces and the upper surrounding blocking pieces.
As a further scheme of the invention: the adjusting assembly comprises a solenoid which is vertically and rotatably arranged on the lower surrounding stopper, a second lead screw which is vertically and spirally connected to the upper part of the solenoid and is coaxial with the solenoid, and an adjusting wheel which is fixed on the solenoid and used for driving the solenoid to rotate;
the upper layer enclosure part is vertically and slidably arranged on the lower layer enclosure part, and the upper part of the second lead screw is fixed with the upper part of the upper layer enclosure part.
As a still further scheme of the invention: the transmission structure comprises a joint wheel which is rotatably arranged on one side of one of the lower surrounding blocking parts close to the hinge and a transmission part which is used for connecting the spiral pipes on the two groups of adjusting components; one side of the transmission part is in rolling connection with one of the spiral pipes, the other side of the transmission part is in rolling connection with the other spiral pipe, and the middle part of the transmission part is in rolling contact with the laminating wheel.
As a still further scheme of the invention: the upper and lower sides of the I-shaped seat are symmetrically provided with inserting pieces, through holes are formed in the two inserting pieces along the direction of a plumb, the through holes in the two inserting pieces are coaxial, and the connecting structure is matched with the inserting pieces and the through holes in the I-shaped seat.
As a still further scheme of the invention: the connecting structure comprises a guide piece vertically fixed on the side edge of the lower layer surrounding blocking piece, a moving piece arranged on the guide piece in a sliding mode, an insertion rod fixed on the moving piece and used for being inserted into the through hole, and an abutting sleeve fixed on the side edge of the lower layer surrounding blocking piece and used for being embedded with the two insertion pieces.
As a still further scheme of the invention: the overturning assembly comprises a first lead screw horizontally and rotatably mounted on one of the lower surrounding blocking pieces, a sleeve in threaded connection with the first lead screw, and an overturning push rod for connecting the sleeve with the other lower surrounding blocking piece;
the first screw rod is connected with the spiral tube on the lower surrounding stopper through a bevel gear set.
As a still further scheme of the invention: the bevel gear set comprises a second bevel gear fixed on the spiral pipe and a first bevel gear fixed on the first lead screw and meshed with the second bevel gear;
one end of the turnover push rod is rotatably connected with the sleeve, and the other end of the turnover push rod is rotatably connected with the lower surrounding blocking piece connected with the turnover push rod.
As a still further scheme of the invention: the movable base structure comprises a fixed sleeve vertically fixed at the lower part of the lower layer enclosure part, an expansion part arranged at the lower part of the fixed sleeve in a sliding manner, a supporting seat rotatably arranged at the bottom of the lower layer enclosure part, and a connecting rod used for connecting the supporting seat and the lower part of the expansion part;
the two ends of the connecting rod are respectively rotatably connected with the telescopic piece and the supporting seat, and the lower part of the fixed sleeve is in threaded connection with a fastening bolt used for fixing the telescopic piece and the fixed sleeve.
After adopting the structure, compared with the prior art, the invention has the following advantages: the two lower layer enclosure parts connected through the hinge can be overturned around the hinge, the adjusting assembly is utilized to drive the overturning assembly to act, so that the two lower layer enclosure parts can be mutually folded and unfolded, the folding, the transportation and the storage are convenient, when the lower layer enclosure parts are mutually unfolded, the adjusting assembly is used for driving the upper layer enclosure parts corresponding to the two lower layer enclosure parts to lift, when the two lower layer enclosure parts are unfolded, the upper layer enclosure parts are lifted, and the enclosure height is increased; the effective contact radius of the lower layer surrounding blocking piece and the ground can be adjusted by the movable base component movably arranged at the bottom, so that the supporting force can be adjusted.
Drawings
FIG. 1 is a schematic structural diagram of a sand foundation pit support structure.
FIG. 2 is a schematic structural diagram of an I-shaped seat and a through hole in the sand foundation pit support structure.
Fig. 3 is a schematic structural diagram of a movable part and an inserted rod in the sand foundation pit enclosure structure.
Fig. 4 is a right side view of a movable base structure in the sand foundation pit support structure.
In the figure: 1-lower layer enclosing barrier; 2-a hinge; 3-an upper surrounding stopper; 4-turning over the push rod; 5-a sleeve; 6-a first lead screw; 7-a first bevel gear; 8-a second bevel gear; 9-a coil; 10-dispensing wheel; 11-second lead screw; 12-a transmission member; 13-a laminating wheel; 14-a tool seat; 15-butting sleeve; 16-a plunger; 17-a movable member; 18-a guide; 19-through hole; 20-fixing the sleeve; 21-a telescopic member; 22-a connecting rod; 23-support seat.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in the embodiment of the invention, a gravel foundation pit enclosure structure comprises two lower-layer enclosure parts 1, the two lower-layer enclosure parts 1 are rotatably connected through a hinge 2, and a liftable upper-layer enclosure part 3 is vertically and movably connected above the two lower-layer enclosure parts 1; a group of adjusting components of the upper-layer enclosure parts 3 corresponding to the two upper-layer enclosure parts 3 are respectively arranged on the two upper-layer enclosure parts 3, the two groups of adjusting components are connected through a transmission structure, a turning component connected with one group of adjusting components is arranged between the two lower-layer enclosure parts 1, and the turning component drives the two lower-layer enclosure parts 1 to open and close when the adjusting components act; a I-shaped seat 14 is fixed on the edge of one of the lower layer enclosing pieces 1, and a connecting structure matched with the I-shaped seat 14 is movably connected on the edge of the other lower layer enclosing piece 1; the bottoms of the two lower surrounding blocking pieces 1 are movably provided with movable base assemblies which are used for contacting the ground foundation and supporting the lower surrounding blocking pieces 1 and the upper surrounding blocking pieces 3.
The two lower-layer enclosure blocking pieces 1 connected through the hinge 2 can be turned around the hinge 2, and the adjusting assembly is used for driving the turning assembly to act, so that the two lower-layer enclosure blocking pieces 1 can be folded and unfolded mutually, folding, transporting and storing are facilitated, when the lower-layer enclosure blocking pieces 1 are unfolded mutually, the adjusting assembly is used for driving the upper-layer enclosure blocking pieces 3 corresponding to the two lower-layer enclosure blocking pieces 1 to lift, so that the upper-layer enclosure blocking pieces 3 are lifted when the two lower-layer enclosure blocking pieces are unfolded, and the enclosure height is increased; the effective contact radius of the lower layer surrounding barrier part 1 and the ground can be adjusted by the movable base component movably arranged at the bottom, so that the supporting force can be adjusted.
In one embodiment of the invention, the adjusting assembly comprises a screw tube 9 vertically and rotatably arranged on the lower surrounding stopper 1, a second lead screw 11 vertically and threadedly connected to the upper part of the screw tube 9 and coaxial with the screw tube 9, and an adjusting wheel 10 fixed on the screw tube 9 for driving the screw tube 9 to rotate;
the upper layer enclosure part 3 is vertically and slidably arranged on the lower layer enclosure part 1, and the upper part of a second lead screw 11 is fixed with the upper part of the upper layer enclosure part 3;
utilize regulating wheel 10 to drive solenoid 9 and rotate, because No. two lead screws 11 are fixed on enclosing fender piece 3 on the upper strata, consequently No. two lead screws 11 can not rotate, and only can go up and down, so pivoted solenoid 9 can drive No. two lead screws 11 vertical lift, drive the upper strata of being connected with it when No. two lead screws 11 vertical lift and enclose fender piece 3 and follow synchronous lift.
In another embodiment of the present invention, said transmission structure comprises an engaging wheel 13 rotatably mounted on one side of one of said lower enclosure members 1 close to the hinge 2 and a transmission member 12 for connecting the screw tubes 9 of the two sets of said adjusting members; one side of the transmission part 12 is in rolling connection with one of the spiral pipes 9, the other side of the transmission part is in rolling connection with the other spiral pipe 9, and the middle part of the transmission part 12 is in rolling contact with the attaching wheel 13;
utilize laminating wheel 13 to make driving medium 12 can enclose to keep off 1 and turn over when turning over at two lower floors and still drive two solenoid 9, drive another solenoid 9 through driving medium 12 and follow synchronous rotation when one of them solenoid 9 rotates to realize two sets of adjusting part synchronization actions, finally make two upper strata enclose and keep off 3 synchronous lifting.
In another embodiment of the present invention, the upper and lower sides of the tooling seat 14 are symmetrically provided with insertion pieces, two insertion pieces are respectively provided with a through hole 19 along the direction of the plumb, the through holes 19 on the two insertion pieces are coaxial, and the connecting structure is matched with the insertion pieces and the through holes 19 on the tooling seat 14;
the two inserting pieces are matched with the connecting structure to prevent other building enclosures connected with the building enclosures from moving vertically, and the through holes 19 are matched with the connecting structure to prevent the connected building enclosures from moving transversely, so that the stability between two building enclosures connected in pairs is ensured.
In another embodiment of the present invention, the connecting structure includes a guiding element 18 vertically fixed on the side of the lower enclosure member 1, a movable element 17 slidably disposed on the guiding element 18, an inserting rod 16 fixed on the movable element 17 for inserting into the through hole 19, and a docking sleeve 15 fixed on the side of the lower enclosure member 1 for engaging with two inserting pieces;
the butt joint sleeve 15 and the two inserting pieces are matched to restrain the longitudinal freedom degrees of the two connected enclosure structures, after the butt joint sleeve 15 is seated between the two inserting pieces, the inserting rod 16 slides downwards along the guide piece 18 under the action of the moving piece 17, so that the inserting rod 16 penetrates through the through hole 19 in the inserting piece to be rotatably connected with the I-shaped seat 14, and the transverse freedom degrees of the two connected enclosure structures are restrained.
In another embodiment of the present invention, the turning assembly comprises a first lead screw 6 horizontally and rotatably mounted on one of the lower enclosing stoppers 1, a sleeve 5 in threaded connection with the first lead screw 6, and a turning push rod 4 for connecting the sleeve 5 with the other lower enclosing stopper 1;
the first screw 6 is connected with the screw tube 9 on the lower surrounding stopper 1 through a bevel gear set;
when the screw tube 9 rotates, the first lead screw 6 is driven to rotate through the bevel gear set, the first lead screw 6 drives the sleeve 5 to move horizontally, and the sleeve 5 moving horizontally drives the other lower surrounding blocking piece 1 to turn over around the hinge 2 through the turning push rod 4.
In another embodiment of the present invention, the bevel gear set comprises a second bevel gear 8 fixed on the screw tube 9 and a first bevel gear 7 fixed on the first lead screw 6 and meshed with a second bevel gear 8;
one end of the turning push rod 4 is rotationally connected with the sleeve 5, and the other end of the turning push rod is rotationally connected with the lower surrounding blocking part 1 connected with the turning push rod;
when the screw tube 9 rotates, the second-number bevel gear 8 is driven to rotate, the first-number bevel gear 7 and the first lead screw 6 are driven to rotate by the second-number bevel gear 8, and the first lead screw 6 drives the overturning push rod 4 to drive the other lower-layer enclosure part 1 to overturn and fold by the aid of the sleeve 5.
In another embodiment of the present invention, said movable base structure comprises a fixed sleeve 20 vertically fixed on the lower portion of said lower enclosure member 1, an expansion member 21 slidably disposed on the lower portion of said fixed sleeve 20, a support base 23 rotatably mounted on the bottom of said lower enclosure member 1, and a connecting rod 22 for connecting said support base 23 and the lower portion of said expansion member 21;
two ends of the connecting rod 22 are respectively rotatably connected with the telescopic piece 21 and the supporting seat 23, and the lower part of the fixed sleeve 20 is in threaded connection with a fastening bolt for fixing the telescopic piece 21 and the fixed sleeve 20;
slide extensible member 21 along fixed cover 20 to drive connecting rod 22 drive supporting seat 23 swing, supporting seat 23 can swing to enclose to keep off the base of keeping off piece 1 with the lower floor and be perpendicular, thereby make things convenient for and firmly contact with ground foundation, simultaneously, supporting seat 23 also can swing to enclose to keep off piece 1 laminating with the lower floor, conveniently fold transportation and store.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (8)
1. A gravel foundation pit support structure comprises two lower-layer surrounding blocking pieces (1), wherein the two lower-layer surrounding blocking pieces (1) are rotatably connected through a hinge (2), and the gravel foundation pit support structure is characterized in that a liftable upper-layer surrounding blocking piece (3) is vertically and movably connected above the two lower-layer surrounding blocking pieces (1);
a group of adjusting components corresponding to the upper-layer enclosure stoppers (3) are respectively arranged on the two upper-layer enclosure stoppers (3), the two groups of adjusting components are connected through a transmission structure, a turning component connected with one group of adjusting components is arranged between the two lower-layer enclosure stoppers (1), and the turning component drives the two lower-layer enclosure stoppers (1) to be opened and closed when the adjusting components act;
a I-shaped seat (14) is fixed on the edge of one of the lower layer enclosing pieces (1), and a connecting structure matched with the I-shaped seat (14) is movably connected on the edge of the other lower layer enclosing piece (1); the bottoms of the two lower surrounding blocking pieces (1) are movably provided with movable base assemblies which are used for contacting with the ground foundation and supporting the lower surrounding blocking pieces (1) and the upper surrounding blocking pieces (3).
2. A gravel foundation pit support structure according to claim 1, wherein the adjusting component comprises a screw tube (9) vertically and rotatably arranged on the lower layer surrounding stopper (1), a second lead screw (11) vertically and threadedly connected to the upper part of the screw tube (9) and coaxial with the screw tube (9), and an adjusting wheel (10) fixed on the screw tube (9) and used for driving the screw tube (9) to rotate;
the upper-layer surrounding blocking piece (3) is vertically and slidably arranged on the lower-layer surrounding blocking piece (1), and the upper part of the second lead screw (11) is fixed with the upper part of the upper-layer surrounding blocking piece (3).
3. A sand foundation pit support structure according to claim 2, wherein said transmission structure comprises an engaging wheel (13) rotatably mounted on one side of one of said lower enclosure members (1) adjacent to the hinge (2) and a transmission member (12) for connecting the screw pipes (9) of the two sets of said adjustment members; one side of the transmission part (12) is in rolling connection with one of the spiral pipes (9), the other side of the transmission part is in rolling connection with the other spiral pipe (9), and the middle part of the transmission part (12) is in rolling contact with the attaching wheel (13).
4. The sand foundation pit support structure according to claim 1, wherein the upper and lower sides of the I-shaped base (14) are symmetrically provided with inserts, a through hole (19) is formed in each of the two inserts along the direction of the plumb, the through holes (19) in the two inserts are coaxial, and the connecting structure is matched with the inserts and the through holes (19) in the I-shaped base (14).
5. A gravel foundation pit enclosure structure according to claim 4, wherein the connecting structure comprises a guide member (18) vertically fixed on the side of the lower enclosure member (1), a moving member (17) slidably arranged on the guide member (18), an insertion rod (16) fixed on the moving member (17) and used for being inserted into the through hole (19), and an abutting sleeve (15) fixed on the side of the lower enclosure member (1) and used for being embedded with the two insertion rods.
6. A gravel foundation pit support structure according to claim 2, wherein the turning assembly comprises a first lead screw (6) horizontally and rotatably mounted on one of the lower surrounding stoppers (1), a sleeve (5) in threaded connection with the first lead screw (6), and a turning push rod (4) for connecting the sleeve (5) with the other lower surrounding stopper (1);
the first screw rod (6) is connected with a screw tube (9) on the lower surrounding stopper (1) through a bevel gear set.
7. A gravel foundation pit envelope structure as claimed in claim 6, wherein said bevel gear set comprises a second bevel gear (8) fixed on said solenoid (9) and a first bevel gear (7) fixed on said first lead screw (6) and engaged with second bevel gear (8);
one end of the turnover push rod (4) is rotatably connected with the sleeve (5), and the other end of the turnover push rod is rotatably connected with the lower surrounding blocking piece (1) connected with the turnover push rod.
8. A gravel foundation pit support structure according to any one of claims 1-7, wherein the movable base structure comprises a fixed sleeve (20) vertically fixed on the lower part of the lower layer enclosure (1), a telescopic member (21) slidably arranged on the lower part of the fixed sleeve (20), a support seat (23) rotatably arranged on the bottom of the lower layer enclosure (1), and a connecting rod (22) for connecting the support seat (23) and the lower part of the telescopic member (21);
two ends of the connecting rod (22) are respectively rotatably connected with the telescopic piece (21) and the supporting seat (23), and the lower part of the fixed sleeve (20) is in threaded connection with a fastening bolt used for fixing the telescopic piece (21) and the fixed sleeve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990442.0A CN112227827B (en) | 2020-09-19 | 2020-09-19 | Gravel foundation pit support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990442.0A CN112227827B (en) | 2020-09-19 | 2020-09-19 | Gravel foundation pit support structure |
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| Publication Number | Publication Date |
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| CN112227827A true CN112227827A (en) | 2021-01-15 |
| CN112227827B CN112227827B (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010990442.0A Active CN112227827B (en) | 2020-09-19 | 2020-09-19 | Gravel foundation pit support structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20020080784A (en) * | 2001-04-17 | 2002-10-26 | 해천에너지 주식회사 | Security fence for balcony |
| GB201109727D0 (en) * | 2011-06-10 | 2011-07-27 | Atzori Antonello | A foldable fence panel |
| CN205370114U (en) * | 2016-01-29 | 2016-07-06 | 马艳芳 | Construction project construction is with enclosing fender |
| CN207686413U (en) * | 2017-12-26 | 2018-08-03 | 湖南工学院 | A kind of outer enclosing of civil engineering site operation |
| CN207739746U (en) * | 2018-01-17 | 2018-08-17 | 范李男 | A kind of enclosing of municipal construction |
| CN208219526U (en) * | 2018-05-12 | 2018-12-11 | 扬州尼尔液压科技有限公司 | A kind of fluid pressure drive device cleaned for guardrail |
| CN209469093U (en) * | 2019-01-30 | 2019-10-08 | 青岛德泰建设工程有限公司 | A kind of novel combination type building safety enclosing |
| CN211448053U (en) * | 2019-12-26 | 2020-09-08 | 青海省环境地质勘查局 | A rig encloses fender device for geotechnical engineering reconnaissance |
-
2020
- 2020-09-19 CN CN202010990442.0A patent/CN112227827B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020080784A (en) * | 2001-04-17 | 2002-10-26 | 해천에너지 주식회사 | Security fence for balcony |
| GB201109727D0 (en) * | 2011-06-10 | 2011-07-27 | Atzori Antonello | A foldable fence panel |
| CN205370114U (en) * | 2016-01-29 | 2016-07-06 | 马艳芳 | Construction project construction is with enclosing fender |
| CN207686413U (en) * | 2017-12-26 | 2018-08-03 | 湖南工学院 | A kind of outer enclosing of civil engineering site operation |
| CN207739746U (en) * | 2018-01-17 | 2018-08-17 | 范李男 | A kind of enclosing of municipal construction |
| CN208219526U (en) * | 2018-05-12 | 2018-12-11 | 扬州尼尔液压科技有限公司 | A kind of fluid pressure drive device cleaned for guardrail |
| CN209469093U (en) * | 2019-01-30 | 2019-10-08 | 青岛德泰建设工程有限公司 | A kind of novel combination type building safety enclosing |
| CN211448053U (en) * | 2019-12-26 | 2020-09-08 | 青海省环境地质勘查局 | A rig encloses fender device for geotechnical engineering reconnaissance |
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| CN112227827B (en) | 2021-09-28 |
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