CN106948655B - Engineering fence - Google Patents
Engineering fence Download PDFInfo
- Publication number
- CN106948655B CN106948655B CN201710179324.XA CN201710179324A CN106948655B CN 106948655 B CN106948655 B CN 106948655B CN 201710179324 A CN201710179324 A CN 201710179324A CN 106948655 B CN106948655 B CN 106948655B
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- CN
- China
- Prior art keywords
- column
- slot
- gear
- engineering fence
- position limited
- 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.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 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 description 11
- 239000003381 stabilizer Substances 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 4
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 23
- 239000010959 steel Substances 0.000 description 23
- 238000009434 installation Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fencing (AREA)
Abstract
The invention discloses a kind of engineering fences, its key points of the technical solution are that including hollow pillar stand, protective plate and clamping device, the top and bottom of column offer sliding slot, clamping device includes sliding connection and the upper card slot that Open Side Down with the upper end of the column sliding slot, the lower bayonet slot of connection and opening upwards is slid with column lower end sliding slot, it is vertically arranged at the upper rack of column inner upper end, it is vertically arranged at the lower rack gear of column interior lower end, the transmission gear of upper rack and lower rack gear is engaged simultaneously, one end penetrates column and is connected to the shaft of transmission gear, it is set to the position limited gear of one end that shaft is pierced by outside column, limit assembly for the actuator of drive shaft rotation and for limiting position limited gear rotation.It is unsafe that the present invention solves the problems, such as that existing engineering fence uses.
Description
Technical field
The present invention relates to construction protection equipment, in particular to a kind of engineering fence.
Background technique
When building building, first have to excavate room and build foundation pit, room build excavation of foundation pit it is good after pedestrian and vehicle are fallen in order to prevent
Enter, builds to enclose around foundation pit in room and set engineering fence.
Existing engineering fence is mainly made of column and color steel plate, and column is first intervally arranged by when installation builds foundation pit in room
Around, then one piece of color steel plate is set between every two column, the lower end of column enters ground or to pass through expansion by buried
It is bolted on ground, the two sides of color steel plate are penetrated by steel wire and bound on corresponding column, final all color steel plates
It is that foundation pit is built in room by basis to enclose with column.
Existing engineering fence installation is more convenient, but there is also an issue in actual use, and color steel plate is to pass through
In steel wire lashing to column, staff is during installing color steel plate often because carelessness is so that the end of steel wire is stretched
Color steel plate is excessive out, eventually leads to passer-by and is easy hanging breaking clothes.
Summary of the invention
The purpose of the present invention is to provide a kind of engineering fences, it has the characteristics that using safer.
Above-mentioned purpose of the invention have the technical scheme that the hollow pillar stand including being intervally arranged with
And it is set to the protective plate between two columns, the engineering fence further includes the clamping device for clip protective plate, described
The top and bottom of column offer the sliding slot with clamping device cooperation, and the clamping device includes sliding with the upper end of the column sliding slot
Connection and the upper card slot that Open Side Down, connected with the sliding of column lower end sliding slot and the lower bayonet slot of opening upwards, be vertically arranged at it is vertical
The upper rack of column inner upper end, the lower rack gear for being vertically arranged at column interior lower end while the biography for engaging upper rack and lower rack gear
The limiting tooth that moving gear, one end penetrate column and be connected to the shaft of transmission gear, be set to one end that shaft is pierced by outside column
Wheel, the limit assembly for the actuator of drive shaft rotation and for limiting position limited gear rotation, the part of upper card slot is prolonged
It extends in sliding slot and is fixedly connected with upper rack upper end, lower bayonet slot extending partially into sliding slot and fixing with the lower end of lower rack gear
Connection, the upper and lower side of the protective plate are arranged in card slot, in lower bayonet slot respectively
By using above-mentioned technical proposal, when rotating transmission gear by actuator, transmission gear drives upper limit tooth
Wheel and the relative motion of lower limit gear perhaps back movement and then drive upper card slot and lower bayonet slot relative motion or mutually unlucky
It is dynamic.When installing engineering fence, first hollow pillar stand is intervally arranged and is built around foundation pit in room, one piece is arranged between every two column and prevents
Backplate.When protective plate is installed, first the lower end of protective plate is embedded in two neighboring lower bayonet slot, then by protective plate righting, is used
Actuator makes position limited gear relative motion, and card slot is finally made to be caught in the upper edge of protective plate, lower card two neighboring in this way
Slot cooperates two upper card slots that can play fixed function to one piece of protective plate, and is finally completed the installation of all protective plates, completes
The enclosing of foundation pit is built to room.Compared to existing engineering fence, newly-designed engineering fence is fixed without using steel wire, does not also deposit
In apparent projection, and then it is not easy the clothes of hanging breaking pedestrian, use is safer.
The present invention is further arranged to: the limit assembly includes the bottom plate being fixedly connected on column outer wall, is opened in
Slideway on bottom plate, two pressing plates being arranged at intervals on slideway, sliding connect that the mandril of the slideway, to be set to mandril close
The positioning pin of position limited gear one end and it is sheathed on spring on mandril and between positioning pin and pressing plate, the both ends of mandril are equal
Extend bottom plate, supports and be set on position limited gear between adjacent two tooth under spring pressure effect close to one end of position limited gear.
By using above-mentioned technical proposal, mandril is limited in slideway by two pressing plate cooperations, and permission mandril is along slideway
Sliding.Spring between pressing plate and positioning pin and is in compressive state simultaneously, and spring will push mandril and support set on position limited gear
Between upper adjacent two tooth.At this moment mandril can prevent the rotation of position limited gear, and then position limited gear can prevent the rotation of shaft, shaft
The rotation of transmission gear can be prevented, and then the relative position of upper card slot and lower bayonet slot is no longer changed, kept to protective plate
Clamping.
When needing to adjust the position of upper card slot and lower bayonet slot, manpower pulls mandril to overcome the elastic force of spring, so that pushing up
The end of bar is detached from position limited gear, and at this moment staff can adjust the position of upper card slot and lower bayonet slot by actuator.It adjusts
Mandril is unclamped after the completion, and mandril is moved to the direction close to position limited gear under the action of the spring, and its end can be supported again
On current position limited gear between corresponding two tooth, the limit to position limited gear is completed.
The present invention is further arranged to: the slideway is in rectangle, and the mandril is in rectangle and it is close to the one of position limited gear
Hold wedge shaped, the pressing plate is in " C " font and inner ring is in rectangle.
By using above-mentioned technical proposal, rectangle sliding slot, the rectangular shape of rectangle mandril and tapered end, " C " font pressure
The setting of plate is for accurate and effective the supporting of mandril energy and is set on position limited gear between adjacent two tooth, finally makes limiting tooth
Wheel quickly and effectively limits.
The present invention is further arranged to: the lower end of the column is connected with pedestal, and the pedestal is in " ten " font, pedestal
A mounting hole up and down is offered on four angle points respectively.
By using above-mentioned technical proposal, column can be directly placed on ground, can also be buried in ground, may be used also
To be connected on ground by expansion bolt, install more convenient.
The present invention is further arranged to: if the engineering fence further includes the dry-pressing for being fitted in protective plate the upper side and lower side
Item, the length of the press strip and the length of protective plate are identical, and the upper card slot and the lower bayonet slot are opened in the side away from column
Equipped with threaded hole, the compressing member for being pressed in press strip on opposite side cell wall is combined in threaded hole.
By using above-mentioned technical proposal, in existing engineering fence, steel wire is equivalent to blunt mouth for color steel plate and cuts
Cutter, when in color steel plate plate face by certain pressure, steel wire can gradually cut color steel plate, pressure is larger or pressure more
When lasting, steel wire is eventually deviate from from color steel plate, so that color steel plate and column are detached from, brings security risk.
It can by the upper card slot of protective plate being extruded in tightly and lower bayonet slot, reduce that protective plate and column be detached from using compressing member
Energy property, while press strip can play protective action to the upper side and lower side of protective plate, be equivalent to and enhance the resistance to compression energy of protective plate
Power, so that the security performance of engineering fence is more preferable.
The present invention is further arranged to: the compressing member include screw rod and be connected to screw rod deviate from column one end rotation
Button, knob is made of plastic and thermoplastic is on screw rod.
By using above-mentioned technical proposal, staff can it is more light, comfortably turn compressing member.
The present invention is further arranged to: the auxiliary support bar being obliquely installed, Auxiliary support are hinged in the middle part of the column
Bar is connected with the stabilizer blade of perpendicular setting away from one end of hinge joint.
By using above-mentioned technical proposal, the ground around foundation pit is built in room may be more soft or not smooth enough, leads to
Auxiliary support can be played the role of to engineering fence by crossing auxiliary support bar and stabilizer blade, so that the stability of engineering fence is more preferable.
The present invention is further arranged to: the lower end of the sliding slot below the upper end of the sliding slot above the column and the column
It is connected with " C " shape clip respectively, " C " shape clip is for closing sliding slot
By using above-mentioned technical proposal, " C " shape clip can prevent people in the case where maloperation, upper card slot and lower card
Slot is detached from from sliding slot.
The present invention is further arranged to: the actuator is handwheel.
By using above-mentioned technical proposal, the rotation of user's power drive transmission gear is more convenient.
The present invention is further arranged to: the column is in rectangle.
By using above-mentioned technical proposal, the shape of column is convenient for the installation of clamping device.
In conclusion the invention has the following advantages: first hollow pillar stand is intervally arranged when installing engineering fence
Room is built around foundation pit, then the lower end of protective plate is embedded in two neighboring lower bayonet slot, then by protective plate righting, uses actuator
So that position limited gear relative motion, finally makes card slot be caught in the upper edge of protective plate, lower bayonet slot cooperation two neighboring in this way
Two upper card slots can play fixed function to one piece of protective plate, can finally complete the installation of all protective plates, complete to room
Build the enclosing of foundation pit.Compared to existing engineering fence, newly-designed engineering fence is fixed without using steel wire, and also there is no bright
Aobvious projection, and then it is not easy the clothes of hanging breaking pedestrian, use is safer.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of engineering fence；
Fig. 2 is to show view that the structure of upper card slot and gliding groove is done；
Fig. 3 is to show view that clamping device is done；
Fig. 4 is the enlarged drawing in the portion A of Fig. 3；
Fig. 5 is the structural schematic diagram of limit assembly.
In figure, 1, column；2, protective plate；3, pedestal；4, mounting hole；5, auxiliary support bar；6, stabilizer blade；7, clamping device；
70, upper card slot；71, lower bayonet slot；72, upper rack；73, lower rack gear；74, transmission gear；75, shaft；76, position limited gear；77, it drives
Moving part；78, limit assembly；780, bottom plate；781, slideway；782, pressing plate；783, mandril；784, positioning pin；785, spring；8, sliding
Slot；9, clip；10, press strip；11, compressing member.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1: a kind of engineering fence, referring to Fig.1, including the hollow pillar stand 1 being intervally arranged and be set to two it is vertical
Protective plate 2 between column 1.Here by taking two root posts 1 and one piece of protective plate 2 as an example.Column 1 is in rectangle, and lower end is connected with
Pedestal 3, pedestal 3 are in " ten " font, are welded by steel plate, offer about one respectively on four angle points of pedestal 3 and pass through
Logical mounting hole 4, mounting hole 4 is used for and expansion bolt cooperation.The middle part of column 1 is hinged with the Auxiliary support being obliquely installed
Bar 5, auxiliary support bar 5 are connected with the stabilizer blade 6 of perpendicular setting away from one end of hinge joint.Auxiliary support bar 5 and stabilizer blade 6 make
It is manufactured with steel pipe, both plays the role of Auxiliary support to engineering fence, suitable for out-of-flatness or more soft ground
On.Auxiliary support bar 5 and stabilizer blade 6 are generally located on away from the side of pedestrian simultaneously, have both been not take up road in this way or can have been resisted one
The part pedestrian pressure protective plate 2 that perhaps vehicle is applied on protective plate 2 is typically chosen as rubber and plastic boards or color steel plate.
Referring to Fig. 2, Fig. 3, engineering fence further includes the clamping device 7 for clip protective plate 2.The upper end of column 1 is under
End offers the sliding slot 8 cooperated with clamping device 7.Clamping device 7 include with 1 upper end sliding slot 8 of column slide connection and be open to
Under upper card slot 70, with 1 lower end sliding slot 8 of column sliding connection and opening upwards lower bayonet slot 71.In conjunction with Fig. 3, Fig. 4, clip dress
Set 7 further include the upper rack 72 for being vertically arranged at 1 inner upper end of column, the lower rack gear 73 for being vertically arranged at 1 interior lower end of column,
Engage the transmission gear 74 of upper rack 72 and lower rack gear 73 simultaneously, one end penetrates column 1 and is connected to the shaft of transmission gear 74
75, be set to one end that shaft 75 is pierced by outside column 1 position limited gear 76, for drive shaft 75 rotate actuator 77 and
It is fixedly connected on column 1 and is extended partially into sliding slot 8 for limiting the limit assembly 78 of the rotation of position limited gear 76, upper card slot 70
And be fixedly connected with 72 upper end of upper rack, extending partially into sliding slot 8 and fixing with the lower end of lower rack gear 73 for lower bayonet slot 71 connects
It connects.The lower end of the sliding slot 8 of 1 lower section of upper end and column of the sliding slot 8 of 1 top of column is connected with " C " shape clip 9, " C " shape card respectively
Folder 9 can prevent people in the case where maloperation, upper card slot 70 and lower bayonet slot 71 are detached from from sliding slot 8 for closing sliding slot 8.
Referring to Fig. 4, Fig. 5, actuator 77 is selected as handwheel.Limit assembly 78 includes the bottom being fixedly connected on 1 outer wall of column
Plate 780, the rectangle slideway 781 being opened on bottom plate 780, two pressing plates 782 being arranged at intervals on rectangle slideway 781, sliding
Connect rectangle slideway 781 rectangle mandril 783, be set to rectangle mandril 783 close to 76 one end of position limited gear positioning pin 784 with
And it is sheathed on the spring 785 on rectangle mandril 783 and between positioning pin 784 and pressing plate 782, the both ends of rectangle mandril 783
Extend bottom plate 780, it is wedge shaped close to one end of position limited gear 76 and 785 pressure of spring effect under support be set to limiting tooth
On wheel 76 between adjacent two tooth.Pressing plate 782 is in rectangle, the rectangle shape of rectangle sliding slot 8, rectangle mandril 783 in " C " font and inner ring
The setting of shape and tapered end, " C " font pressing plate 782 is for accurate and effective the supporting of 783 energy of mandril and is set to position limited gear 76
Between upper adjacent two tooth.Bottom plate 780 can be welded with column 1, can also be connect by bolt with column 1.
Referring to Fig.1, engineering fence further includes two press strips 10 for being fitted in 2 the upper side and lower side of protective plate, the length of press strip 10
Spend identical with the length of protective plate 2, upper card slot 70 and lower bayonet slot 71 offer threaded hole, threaded hole in the side for deviating from column 1
In be combined with compressing member 11 for being pressed in press strip 10 on opposite side cell wall.Compressing member 11 is including screw rod and is connected to spiral shell
Bar deviates from the knob of 1 one end of column, and knob is made of plastic and thermoplastic is on screw rod.
The installation method of engineering fence is, referring to Fig.1, when installing engineering fence, first hollow pillar stand 1 is intervally arranged in room
It builds around foundation pit, then the lower end of protective plate 2 is embedded in two neighboring lower bayonet slot 71, then by 2 righting of protective plate, manpower is pulled
Mandril 783 overcomes the elastic force of spring 785, so that the end of mandril 783 is detached from position limited gear 76, at this moment staff can lead to
Part 77 of overdriving makes 76 relative motion of position limited gear, so that upper card slot 70 is caught in the upper edge of protective plate 2, at this moment can will push up
Bar 783 unclamps, and mandril 783 moves under the action of spring 785 to close to the direction of position limited gear 76, and its end can be again
To being set on current position limited gear 76 between corresponding two tooth, the limit to position limited gear 76 is completed.
Two neighboring lower bayonet slot 71 cooperates two upper card slots 70 to play fixed function to one piece of protective plate 2.Next respectively
Press strip 10 is placed in two neighboring lower bayonet slot 71 and two neighboring upper card slot 70, turns compressing member 11, so that compressing 11 will pressure
Being extruded on protective plate 2 tightly of item 10, so by press strip 10 by protective plate 2 tightly be extruded in upper card slot 70 and lower bayonet slot
In 71, reduce a possibility that protective plate 2 is detached from column 1, while press strip 10 plays protection to the upper side and lower side of protective plate 2 and makees
With enhancing the anti-pressure ability of protective plate 2.Auxiliary support bar 5 and stabilizer blade 6 are unfolded when necessary, engineering fence is carried out into one
The support of step.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of engineering fence, including the hollow pillar stand (1) being intervally arranged and the protective plate being set between two columns (1)
(2), it is characterised in that: the engineering fence further includes the clamping device (7) for clip protective plate (2), the column (1)
Top and bottom offer the sliding slot (8) with clamping device (7) cooperation, and the clamping device (7) includes sliding with column (1) upper end
Slot (8) sliding connection and the upper card slot (70) that Open Side Down, with column (1) lower end sliding slot (8) sliding connection and opening upwards
Lower bayonet slot (71), is vertically arranged at column (1) interior lower end at the upper rack (72) for being vertically arranged at column (1) inner upper end
Lower rack gear (73) engages upper rack (72) simultaneously and the transmission gear (74) of lower rack gear (73), one end penetrate column (1) and connection
In transmission gear (74) shaft (75), be set to shaft (75) and be pierced by the position limited gear (76) of the one end of column (1) outside, be used for
The actuator (77) of drive shaft (75) rotation and the limit assembly (78) rotated for limiting position limited gear (76), upper card slot
(70) extending partially into sliding slot (8) and being fixedly connected with upper rack (72) upper end, lower bayonet slot (71) extends partially into cunning
It is fixedly connected in slot (8) and with the lower end of lower rack gear (73), the upper and lower side of the protective plate (2) is arranged in card slot respectively
(70), in lower bayonet slot (71).
2. engineering fence according to claim 1, it is characterised in that: the limit assembly (78) is vertical including being fixedly connected on
Bottom plate (780) on column (1) outer wall, the slideway (781) being opened on bottom plate (780), be arranged at intervals on slideway (781) two
A pressing plate (782), sliding connect the mandril (783) of the slideway (781), are set to mandril (783) close to position limited gear (76)
The positioning pin (784) of one end and it is sheathed on spring on mandril (783) and between positioning pin (784) and pressing plate (782)
(785), bottom plate (780) are extended at the both ends of mandril (783), press close to one end of position limited gear (76) in spring (785)
Lower support of power effect is set between position limited gear (76) upper adjacent two tooth.
3. engineering fence according to claim 2, it is characterised in that: the slideway (781) is in rectangle, the mandril
(783) in rectangle and it is wedge shaped close to one end of position limited gear (76), the pressing plate (782) is in square in " C " font and inner ring
Shape.
4. engineering fence according to claim 1 or 2 or 3, it is characterised in that: the lower end of the column (1) is connected with bottom
Seat (3), the pedestal (3) are in " ten " font, offer a mounting hole up and down respectively on four angle points of pedestal (3)
(4)。
5. engineering fence according to claim 1 or 2 or 3, it is characterised in that: the engineering fence further include be fitted in it is anti-
The length of several press strips (10) of backplate (2) the upper side and lower side, the press strip (10) is identical as the length of protective plate (2), described
Upper card slot (70) and the lower bayonet slot (71) offer threaded hole in the side away from column (1), are combined with and are used in threaded hole
The compressing member (11) press strip (10) being pressed on opposite side cell wall.
6. engineering fence according to claim 5, it is characterised in that: the compressing member (11) includes screw rod and is connected to
Screw rod deviates from the knob of column (1) one end, and knob is made of plastic and thermoplastic is on screw rod.
7. engineering fence according to claim 1 or 2 or 3, it is characterised in that: be hinged with and incline in the middle part of the column (1)
The auxiliary support bar (5) being tiltedly arranged, auxiliary support bar (5) are connected with the stabilizer blade of perpendicular setting away from one end of hinge joint
(6)。
8. engineering fence according to claim 1 or 2 or 3, it is characterised in that: sliding slot (8) above the column (1)
The lower end of sliding slot (8) below upper end and the column (1) is connected with " C " shape clip (9) respectively, and " C " shape clip (9) is for sealing
Close sliding slot (8).
9. engineering fence according to claim 1, it is characterised in that: the actuator (77) is handwheel.
10. engineering fence according to claim 1, it is characterised in that: the column (1) is in rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710179324.XA CN106948655B (en) | 2017-03-23 | 2017-03-23 | Engineering fence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710179324.XA CN106948655B (en) | 2017-03-23 | 2017-03-23 | Engineering fence |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106948655A CN106948655A (en) | 2017-07-14 |
| CN106948655B true CN106948655B (en) | 2019-02-01 |
Family
ID=59473031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710179324.XA Expired - Fee Related CN106948655B (en) | 2017-03-23 | 2017-03-23 | Engineering fence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106948655B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795193A (en) * | 2017-11-11 | 2018-03-13 | 李仲来 | A kind of environment-friendly type road bridge construction guard rail |
| CN111075261A (en) * | 2019-12-27 | 2020-04-28 | 中国二冶集团有限公司 | Protective fence |
| CN111515407B (en) * | 2020-05-23 | 2023-06-02 | 苏州鲁信新材料科技有限公司 | Continuous feeding device and aerosolization pulverizing system |
| CN112727237B (en) * | 2020-12-25 | 2022-03-08 | 郑州航空工业管理学院 | Safety management system for construction engineering site construction |
| CN112942197B (en) * | 2021-02-02 | 2022-08-02 | 浙江泰阳建设集团有限公司 | Guardrail for municipal construction |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090321697A1 (en) * | 2008-06-25 | 2009-12-31 | Glen Robinson | Viewer fence |
| CN105518237A (en) * | 2013-06-25 | 2016-04-20 | 德拉加娜·皮耐里 | Temporary Fence Improvements |
| CN204754444U (en) * | 2015-04-13 | 2015-11-11 | 张家港固耐特围栏系统有限公司 | Clamp plate of protection rail stand |
| CN108590331A (en) * | 2016-06-28 | 2018-09-28 | 蒋爱君 | A kind of method that wall upper railings sand-proof is adjusted in electromagnetic type |
| CN106121361B (en) * | 2016-06-28 | 2018-07-03 | 衢州市优德工业设计有限公司 | A kind of fence |
-
2017
- 2017-03-23 CN CN201710179324.XA patent/CN106948655B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106948655A (en) | 2017-07-14 |
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