CN108706414A - The protective fence and its construction method that a kind of China Democratic National Construction Association house elevator shaft mouth is flipped up - Google Patents
The protective fence and its construction method that a kind of China Democratic National Construction Association house elevator shaft mouth is flipped up Download PDFInfo
- Publication number
- CN108706414A CN108706414A CN201810577031.1A CN201810577031A CN108706414A CN 108706414 A CN108706414 A CN 108706414A CN 201810577031 A CN201810577031 A CN 201810577031A CN 108706414 A CN108706414 A CN 108706414A
- Authority
- CN
- China
- Prior art keywords
- protective fence
- elevator shaft
- shaft mouth
- fixedly connected
- support frame
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Fencing (AREA)
Abstract
The protective fence and its construction method being flipped up the invention discloses a kind of China Democratic National Construction Association house elevator shaft mouth, including bottom support frame, the bottom of the bottom support frame is fixedly connected with riser, the top symmetric position of the bottom support frame is fixedly connected with track plates, track groove is offered at the top of the track plates, the top slide of the track plates is connected with movable plate, the bottom of the movable plate offers driving groove, it is fixedly connected with motor at the top of the inner wall of the driving groove, the present invention relates to protective fence technical fields.The protective fence and its construction method that China Democratic National Construction Association's house elevator shaft mouth is flipped up, the protective range of protective fence can be adjusted according to the flexible in size of elevator shaft mouth, meet the requirement of different size elevator shaft mouth protection, increase the stability of protective fence, the crank of protective fence is avoided to be easy mobile problem, protective fence can be avoided to bear excessive pressure simultaneously, improve the security performance of protective fence.
Description
Technical field
The present invention relates to protective fence technical field, specially a kind of protective fence that China Democratic National Construction Association house elevator shaft mouth is flipped up and
Its construction method.
Background technology
Guardrail net is to use（Band frame）Iron wire mesh sheet and column（Stake）It, can be extensive etc. fixing type iron silk screen wall made of constructing
Applied to highway, highway, railway, test site, warehouse, place, zoo, stadium, industrial place, System in Agricultural Developing Zone
Equal places.During elevator construction, in order to protect the safety of construction personnel, need that protective fence is arranged in elevator shaft mouth,
But existing protective fence cannot reach and protected completely elevator shaft mouth according to the size of the big minor adjustment protective fence of elevator shaft mouth
Purpose, the crank of protective fence is easy movement, while alarm cannot be provided when protective fence bears excessive pressure.
Invention content
（One）The technical issues of solution
In view of the deficiencies of the prior art, it the protective fence that is flipped up the present invention provides a kind of China Democratic National Construction Association house elevator shaft mouth and its applies
Work method, solving existing protective fence cannot reach according to the size of the big minor adjustment protective fence of elevator shaft mouth to elevator
The crank of the purpose that mouth protects completely, protective fence is easy movement, while cannot be provided when protective fence bears excessive pressure
The problem of alarm.
（Two）Technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of China Democratic National Construction Association house elevator shaft mouth is to turning over
The protective fence turned, including bottom support frame, the bottom of the bottom support frame are fixedly connected with riser, the bottom support frame
Top symmetric position is fixedly connected with track plates, and track groove is offered at the top of the track plates, and the top of the track plates is slided
Dynamic to be connected with movable plate, the bottom of the movable plate offers driving groove, electricity is fixedly connected at the top of the inner wall of the driving groove
The output end of machine, the motor is fixedly connected with gear, and the outside of the gear and the inner wall of track groove are sequentially connected, the shifting
The one end of the top of movable plate far from bottom support frame is rotatably connected to protective fence, and the top center position of the movable plate offers
The inner wall bottom of turning groove, the turning groove is rotatablely connected by cylinder and protective fence, and the top of the movable plate is far from protection
The one end on column is fixedly connected with electronic scale, and the top of the movable plate, which is located at below electronic scale, is equipped with control cabinet, the control
Pressure sensor is fixedly connected at the top of the inner wall of case processed, the top of the pressure sensor through control cabinet and extends to electricity
The bottom of sub- scale, the inner wall bottom of the control cabinet are from left to right fixedly connected sequentially and have power supply box and control module, the shifting
The top of movable plate is fixedly connected with alarm lamp, the pressure sensor, power supply box, control module close to one end of bottom support frame
It is electrically connected by conducting wire between alarm lamp.
Preferably, the side of the protective fence is rotatably connected to secondary protective fence.
Preferably, the protective fence and secondary protective fence include outline border, and the inner wall of the outline border is fixed by protection network to be connected
It is connected to pressure display screen, is electrically connected by conducting wire between the pressure display screen and electronic scale.
Preferably, the both sides of the pressure display screen have been fixedly connected with armorplate glass.
Preferably, the bottom of the track plates is fixedly connected with disk, and side of the disk far from track plates passes through company
Extension bar is fixedly connected with bottom support frame.
Preferably, the one end of the track plates far from bottom support frame is fixedly connected with placing box.
Preferably, it is rotatablely connected by hinge between the protective fence and secondary protective fence.
Preferably, the lower rotation of the riser is connected with idler wheel.
Preferably, side of the placing box far from bottom support frame is rotatably connected to side door.
Preferably, the construction method for the protective fence that a kind of China Democratic National Construction Association house elevator shaft mouth is flipped up, including following step
Suddenly,
（1）Fixed bottom support frame, pushes placing box that device is moved to elevator shaft mouth, and riser enters elevator shaft mouth inside and will
Put with elevator shaft mouth roughly the same in device center；
（2）Movable plate is adjusted, when the width of bottom support frame is less than elevator shaft mouth, motor drives movable plate to be moved along track plates
It is dynamic, until movable plate is moved to the outside of elevator shaft mouth；
（3）Protective fence is adjusted, elevator shaft mouth is fully encased, weight is placed in placing box, works as protective fence by revolute pair protective fence
Surface bears protective fence when weight and presses down on electronic scale and pressure sensor, and pressure display screen shows the weight that protective fence is born
Power, when protective guard surface bear gravity it is excessively high when controller control alarm lamp alarm；
（4）Protective fence is turned over, cylinder pushes protective fence to turn over.
（Three）Advantageous effect
The protective fence and its construction method being flipped up the present invention provides a kind of China Democratic National Construction Association house elevator shaft mouth.Have following beneficial
Effect：
（1）, the protective fence that is flipped up of China Democratic National Construction Association's house elevator shaft mouth and its construction method, the top by bottom support frame it is right
Claim position to be fixedly connected with track plates, track groove, the top slide connection of the track plates are offered at the top of the track plates
There is movable plate, the bottom of the movable plate offers driving groove, motor is fixedly connected at the top of the inner wall of the driving groove, described
The output end of motor is fixedly connected with gear, and the outside of the gear and the inner wall of track groove are sequentially connected, the movable plate
The one end of top far from bottom support frame is rotatably connected to protective fence, and the side of protective fence is rotatably connected to secondary protective fence, works as bottom
When the width of portion's support frame is less than elevator shaft mouth, motor drives movable plate to be moved along track plates, until movable plate is moved to elevator
The outside of well head, revolute pair protective fence fully encase elevator shaft mouth, can be adjusted and be protected according to the flexible in size of elevator shaft mouth
The protective range on column meets the requirement of different size elevator shaft mouth protection.
（2）, the protective fence that is flipped up of China Democratic National Construction Association's house elevator shaft mouth and its construction method, by track plates far from bottom
One end of support frame is fixedly connected with placing box, and the stability that weight increases protective fence is placed inside placing box, avoids protecting
The crank on column is easy mobile problem.
（3）, the protective fence that is flipped up of China Democratic National Construction Association's house elevator shaft mouth and its construction method, pass through the top position of movable plate
Control cabinet is installed below electronic scale, pressure sensor, the pressure are fixedly connected at the top of the inner wall of the control cabinet
The top of sensor is through control cabinet and extends to the bottom of electronic scale, and the inner wall bottom of the control cabinet is from left to right successively
It is fixedly connected with power supply box and control module, the top of the movable plate is fixedly connected with alarm close to one end of bottom support frame
Lamp is electrically connected between the pressure sensor, power supply box, control module and alarm lamp by conducting wire, protective fence and secondary protection
Column includes outline border, and the inner wall of the outline border is fixedly connected with pressure display screen, the pressure display screen and electricity by protection network
It is electrically connected by conducting wire between sub- scale, the pressure that protective guard surface is born is checked on pressure display screen, works as protective guard surface
It bearing protective fence when weight and presses down on electronic scale and pressure sensor, pressure display screen shows the gravity that protective fence is born, when
Protective guard surface bear gravity it is excessively high when control module control alarm lamp alarm, protective fence can be avoided to bear excessive pressure, carried
The security performance of high protective fence.
Description of the drawings
Fig. 1 is apparatus of the present invention structural schematic diagram；
Fig. 2 is support frame present invention looks up structural representation in bottom of the present invention；
Fig. 3 is the mobile plate structure schematic diagram of the present invention；
Fig. 4 is warning device structural schematic diagram of the present invention.
In figure：The bottoms 1- support frame, 2- risers, 3- track plates, 4- track grooves, 5- movable plates, 6- driving grooves, 7- motors,
8- gears, 9- protective fences, 10- turning grooves, 11- cylinders, 12- electronic scales, 13- control cabinets, 14- pressure sensors, 15- power supplys
Case, 16- control modules, 17- alarm lamps, 18- pairs protective fence, 19- outline borders, 20- protection networks, 21- pressure display screen, 22- tempering
Glass plate, 23- disks, 24- connecting rods, 25- placing boxes, 26- hinges, 27- idler wheels, 28- side doors.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：The protection that a kind of China Democratic National Construction Association house elevator shaft mouth is flipped up
The bottom on column, including bottom support frame 1, bottom support frame 1 is fixedly connected with riser 2, the top symmetric position of bottom support frame 1
Track plates 3 are fixedly connected with, the top of track plates 3 offers track groove 4, and the top slide of track plates 3 is connected with movable plate 5,
The bottom of movable plate 5 offers driving groove 6, is fixedly connected with motor 7 at the top of the inner wall of driving groove 6, the output end of motor 7 is fixed
It is connected with gear 8, the outside of gear 8 is sequentially connected with the inner wall of track groove 4, and the top of movable plate 5 is far from bottom support frame 1
One end is rotatably connected to protective fence 9, and when the width of bottom support frame 1 is less than elevator shaft mouth, motor 7 drives movable plate 5 along rail
Guidance tape 3 moves, until movable plate 5 is moved to the outside of elevator shaft mouth, revolute pair protective fence 18 fully encases elevator shaft mouth, energy
Enough protective ranges that protective fence is adjusted according to the flexible in size of elevator shaft mouth meet the requirement of different size elevator shaft mouth protection,
The top center position of movable plate 5 offers turning groove 10, and the inner wall bottom of turning groove 10 is rotated by cylinder 11 and protective fence 9
Connection, the top of movable plate 5 are fixedly connected with electronic scale 12 far from one end of protective fence 9, and the top of movable plate 5 is located at electronic scale
12 lower section is equipped with control cabinet 13, and pressure sensor 14, pressure sensor 14 are fixedly connected at the top of the inner wall of control cabinet 13
Top through control cabinet 13 and extend to the bottom of electronic scale 12, the inner wall bottom of control cabinet 13 is from left to right fixed successively
It is connected with power supply box 15 and control module 16, the top of movable plate 5 is fixedly connected with alarm lamp close to one end of bottom support frame 1
17, it is electrically connected by conducting wire between pressure sensor 14, power supply box 15, control module 16 and alarm lamp 17, when 9 table of protective fence
Face bears when weight protective fence 9 and presses down on electronic scale 12 and pressure sensor 14, when 9 surface of protective fence bear gravity it is excessively high when
Control module 16 controls alarm lamp 17 and alarms, and protective fence 9 can be avoided to bear excessive pressure, improves the security performance of protective fence 9.
The side of protective fence 9 is rotatably connected to secondary protective fence 18.
Protective fence 9 and secondary protective fence 18 include outline border 19, and the inner wall of outline border 19 is fixedly connected with pressure by protection network 20
Power display screen 21 checks that the pressure that 9 surface of protective fence is born, pressure display screen 21 show protective fence 9 on pressure display screen 21
The gravity born is electrically connected between pressure display screen 21 and electronic scale 12 by conducting wire.
The both sides of pressure display screen 21 have been fixedly connected with armorplate glass 22.
The bottom of track plates 3 is fixedly connected with disk 23, and side of the disk 23 far from track plates 3 passes through connecting rod 24 and bottom
Portion's support frame 1 is fixedly connected.
The one end of track plates 3 far from bottom support frame 1 is fixedly connected with placing box 25, and weight is placed inside placing box 25
The stability for increasing protective fence avoids the crank of protective fence from being easy mobile problem.
It is rotatablely connected by hinge 26 between protective fence 9 and secondary protective fence 18.
The lower rotation of riser 2 is connected with idler wheel 27.
Side of the placing box 25 far from bottom support frame 1 is rotatably connected to side door 28.
The construction method for the protective fence that a kind of China Democratic National Construction Association house elevator shaft mouth is flipped up, includes the following steps,
（1）Fixed bottom support frame, pushes placing box that device is moved to elevator shaft mouth, and riser enters elevator shaft mouth inside and will
Put with elevator shaft mouth roughly the same in device center；
（2）Movable plate is adjusted, when the width of bottom support frame is less than elevator shaft mouth, motor drives movable plate to be moved along track plates
It is dynamic, until movable plate is moved to the outside of elevator shaft mouth；
（3）Protective fence is adjusted, elevator shaft mouth is fully encased, weight is placed in placing box, works as protective fence by revolute pair protective fence
Surface bears protective fence when weight and presses down on electronic scale and pressure sensor, and pressure display screen shows the weight that protective fence is born
Power, when protective guard surface bear gravity it is excessively high when controller control alarm lamp alarm；
（4）Protective fence is turned over, cylinder pushes protective fence to turn over.
When work, push placing box 25 that device is moved to elevator shaft mouth, riser 2 enters inside elevator shaft mouth and by device
Center put with elevator shaft mouth it is roughly the same, when the width of bottom support frame 1 be less than elevator shaft mouth when, motor 7 drive movable plate 5
It is moved along track plates 3, until movable plate 5 is moved to the outside of elevator shaft mouth, revolute pair protective fence 18 encloses elevator shaft mouth completely
Firmly, weight is placed in placing box 25, protective fence 9 presses down on electronic scale 12 and pressure when weight is born on 9 surface of protective fence
Sensor 14, pressure display screen 21 shows the gravity that protective fence 9 is born, when the excessively high time control molding of gravity is born on 9 surface of protective fence
Block 16 controls alarm lamp 17 and alarms, and cylinder 11 pushes protective fence 9 to turn over.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " including one ... the element limited, it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. the protective fence that a kind of China Democratic National Construction Association house elevator shaft mouth is flipped up, including bottom support frame（1）, it is characterised in that：It is described
Bottom support frame（1）Bottom be fixedly connected with riser（2）, the bottom support frame（1）Top symmetric position be fixedly connected
There are track plates（3）, the track plates（3）Top offer track groove（4）, the track plates（3）Top slide be connected with
Movable plate（5）, the movable plate（5）Bottom offer driving groove（6）, the driving groove（6）Inner wall at the top of be fixedly connected
There is motor（7）, the motor（7）Output end be fixedly connected with gear（8）, the gear（8）Outside and track groove（4）'s
Inner wall is sequentially connected, the movable plate（5）Top far from bottom support frame（1）One end be rotatably connected to protective fence（9）, institute
State movable plate（5）Top center position offer turning groove（10）, the turning groove（10）Inner wall bottom pass through cylinder
（11）With protective fence（9）Rotation connection, the movable plate（5）Top far from protective fence（9）One end be fixedly connected with electronics
Scale（12）, the movable plate（5）Top be located at electronic scale（12）Lower section control cabinet is installed（13）, the control cabinet（13）
Inner wall at the top of be fixedly connected with pressure sensor（14）, the pressure sensor（14）Top run through control cabinet（13）And
Extend to electronic scale（12）Bottom, the control cabinet（13）Inner wall bottom be from left to right fixedly connected sequentially and have power supply box
（15）And control module（16）, the movable plate（5）Top close to bottom support frame（1）One end be fixedly connected with alarm lamp
（17）, the pressure sensor（14）, power supply box（15）, control module（16）And alarm lamp（17）Between electrically connected by conducting wire
It connects.
2. the protective fence that a kind of China Democratic National Construction Association house elevator shaft mouth according to claim 1 is flipped up, it is characterised in that：It is described
Protective fence（9）Side be rotatably connected to secondary protective fence（18）.
3. the protective fence that a kind of China Democratic National Construction Association house elevator shaft mouth according to claim 2 is flipped up, it is characterised in that：It is described
Protective fence（9）With secondary protective fence（18）It include outline border（19）, the outline border（19）Inner wall pass through protection network（20）It is fixed to connect
It is connected to pressure display screen（21）, the pressure display screen（21）With electronic scale（12）Between be electrically connected by conducting wire.
4. the protective fence that a kind of China Democratic National Construction Association house elevator shaft mouth according to claim 3 is flipped up, it is characterised in that：It is described
Pressure display screen（21）Both sides be fixedly connected with armorplate glass（22）.
5. the protective fence that a kind of China Democratic National Construction Association house elevator shaft mouth according to claim 1 is flipped up, it is characterised in that：It is described
Track plates（3）Bottom be fixedly connected with disk（23）, the disk（23）Far from track plates（3）Side pass through connecting rod
（24）With bottom support frame（1）It is fixedly connected.
6. the protective fence that a kind of China Democratic National Construction Association house elevator shaft mouth according to claim 4 is flipped up, it is characterised in that：It is described
Track plates（3）Far from bottom support frame（1）One end be fixedly connected with placing box（25）.
7. the protective fence that a kind of China Democratic National Construction Association house elevator shaft mouth according to claim 2 is flipped up, it is characterised in that：It is described
Protective fence（9）With secondary protective fence（18）Between pass through hinge（26）Rotation connection.
8. the protective fence that a kind of China Democratic National Construction Association house elevator shaft mouth according to claim 1 is flipped up, it is characterised in that：It is described
Riser（2）Lower rotation be connected with idler wheel（27）.
9. the protective fence that a kind of China Democratic National Construction Association house elevator shaft mouth according to claim 6 is flipped up, it is characterised in that：It is described
Placing box（25）Far from bottom support frame（1）Side be rotatably connected to side door（28）.
10. the construction method for the protective fence that a kind of China Democratic National Construction Association house elevator shaft mouth according to claim 9 is flipped up, special
Sign is, includes the following steps,
（1）Fixed bottom support frame, pushes placing box that device is moved to elevator shaft mouth, and riser enters elevator shaft mouth inside and will
Put with elevator shaft mouth roughly the same in device center；
（2）Movable plate is adjusted, when the width of bottom support frame is less than elevator shaft mouth, motor drives movable plate to be moved along track plates
It is dynamic, until movable plate is moved to the outside of elevator shaft mouth；
（3）Protective fence is adjusted, elevator shaft mouth is fully encased, weight is placed in placing box, works as protective fence by revolute pair protective fence
Surface bears protective fence when weight and presses down on electronic scale and pressure sensor, and pressure display screen shows the weight that protective fence is born
Power, when protective guard surface bear gravity it is excessively high when controller control alarm lamp alarm；
（4）Protective fence is turned over, cylinder pushes protective fence to turn over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810577031.1A CN108706414B (en) | 2018-06-07 | 2018-06-07 | Protective guard for upward turnover of elevator well mouth of civil building and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810577031.1A CN108706414B (en) | 2018-06-07 | 2018-06-07 | Protective guard for upward turnover of elevator well mouth of civil building and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108706414A true CN108706414A (en) | 2018-10-26 |
| CN108706414B CN108706414B (en) | 2021-06-15 |
Family
ID=63871306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810577031.1A Active CN108706414B (en) | 2018-06-07 | 2018-06-07 | Protective guard for upward turnover of elevator well mouth of civil building and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108706414B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191112289A (en) * | 1911-05-22 | 1911-08-17 | Ferdinand Huth | Safety Brake for Elevators, Hoists and Lifts. |
| CN204850396U (en) * | 2015-07-02 | 2015-12-09 | 重庆骏成机械配件有限公司 | Foldable elevartor shaft construction support |
| CN205527243U (en) * | 2016-04-07 | 2016-08-31 | 中国建筑第二工程局有限公司 | External application construction elevator business turn over major structure turn over board access structure |
| CN106592992A (en) * | 2017-02-17 | 2017-04-26 | 中国五冶集团有限公司 | Flat-opening temporary rotating guardrail at elevator shaft entrance of civil building |
| CN206245769U (en) * | 2016-11-28 | 2017-06-13 | 张京卫 | A kind of floor opening safety device |
| CN106836835A (en) * | 2017-02-17 | 2017-06-13 | 中国五冶集团有限公司 | A kind of guard rail being flipped up for China Democratic National Construction Association's house elevator shaft mouth and its construction method |
| CN206318599U (en) * | 2016-12-07 | 2017-07-11 | 山东华邦建设集团有限公司 | A kind of power supply for construction stair shaft mouthful protective door device |
| CN207194492U (en) * | 2017-09-17 | 2018-04-06 | 王彦朝 | A kind of construction guardrail |
| CN210685458U (en) * | 2019-07-04 | 2020-06-05 | 中建四局建设发展有限公司 | Turnover type elevator shaft protection barrier device |
-
2018
- 2018-06-07 CN CN201810577031.1A patent/CN108706414B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191112289A (en) * | 1911-05-22 | 1911-08-17 | Ferdinand Huth | Safety Brake for Elevators, Hoists and Lifts. |
| CN204850396U (en) * | 2015-07-02 | 2015-12-09 | 重庆骏成机械配件有限公司 | Foldable elevartor shaft construction support |
| CN205527243U (en) * | 2016-04-07 | 2016-08-31 | 中国建筑第二工程局有限公司 | External application construction elevator business turn over major structure turn over board access structure |
| CN206245769U (en) * | 2016-11-28 | 2017-06-13 | 张京卫 | A kind of floor opening safety device |
| CN206318599U (en) * | 2016-12-07 | 2017-07-11 | 山东华邦建设集团有限公司 | A kind of power supply for construction stair shaft mouthful protective door device |
| CN106592992A (en) * | 2017-02-17 | 2017-04-26 | 中国五冶集团有限公司 | Flat-opening temporary rotating guardrail at elevator shaft entrance of civil building |
| CN106836835A (en) * | 2017-02-17 | 2017-06-13 | 中国五冶集团有限公司 | A kind of guard rail being flipped up for China Democratic National Construction Association's house elevator shaft mouth and its construction method |
| CN207194492U (en) * | 2017-09-17 | 2018-04-06 | 王彦朝 | A kind of construction guardrail |
| CN210685458U (en) * | 2019-07-04 | 2020-06-05 | 中建四局建设发展有限公司 | Turnover type elevator shaft protection barrier device |
Non-Patent Citations (1)
| Title |
|---|
| 韩雪豹: "浅谈电梯施工电梯井安全管理", 《建筑工人》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108706414B (en) | 2021-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1749132B (en) | Automatic stereo storehouse for plate | |
| CN108706414A (en) | The protective fence and its construction method that a kind of China Democratic National Construction Association house elevator shaft mouth is flipped up | |
| CN107957041A (en) | A kind of municipal administration LED light of angle adjustable | |
| CN214232537U (en) | Intelligence development type infant software climbing device that security performance is high | |
| CN212518121U (en) | Lifting electrical cabinet | |
| CN206757942U (en) | Ideological and political education Map-hanging set | |
| CN209161059U (en) | A kind of electrode foil coiling device | |
| CN211342070U (en) | Building site construction safety device | |
| CN212363072U (en) | Almag panel roughness detection device for surface treatment | |
| CN207484313U (en) | A kind of railing portable mounting seat | |
| CN208119916U (en) | A kind of rice production storage facilities | |
| CN208592478U (en) | A kind of electrolytic machine tool shield | |
| CN219473206U (en) | Infrared scanning device for security guard | |
| CN217102968U (en) | Lifting maintenance device for traffic engineering | |
| CN210440834U (en) | Epitaxial furnace hydrogen alarm system | |
| CN206542080U (en) | A kind of electric control cabinet | |
| CN219893577U (en) | Protective device for building electrical construction | |
| CN213009416U (en) | Safety protection device for warehouse management | |
| CN211500042U (en) | Protective fence for protecting outdoor electrical equipment | |
| CN211554345U (en) | Security door | |
| CN215060832U (en) | Intelligent entrance guard machine with prevent tearing open theftproof function | |
| CN218599336U (en) | Electron class tablet face identification entrance guard's equipment convenient to installation | |
| CN215000763U (en) | Teaching equipment is with supplementary mobile device | |
| CN107777620A (en) | A kind of communication equipment installation servicing unit | |
| CN213844245U (en) | A passageway formula perception door for security protection management and control |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |