CN110820589B - Bridge construction safety anti-falling device - Google Patents
Bridge construction safety anti-falling device Download PDFInfo
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- CN110820589B CN110820589B CN201911208468.9A CN201911208468A CN110820589B CN 110820589 B CN110820589 B CN 110820589B CN 201911208468 A CN201911208468 A CN 201911208468A CN 110820589 B CN110820589 B CN 110820589B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bridge construction safety anti-falling device which comprises a base, wherein a crawling ladder is fixed on the upper side wall of the base, two connecting plates symmetrically arranged on the outer sides of the crawling ladder are further fixed on the upper side wall of the base, horizontal plates are fixed at the upper ends of the two connecting plates, sliding grooves are formed in the upper side wall of one end, opposite to the two horizontal plates, of each horizontal plate, a sliding plate slides in each sliding groove, obliquely arranged supporting rods are fixed on the upper side walls of the two sliding plates, cloth guide rollers are fixed at the end parts of the two supporting rods, first motors are fixed on the upper side walls of the two horizontal plates, and cloth winding rollers are fixed at the driving ends of the first motors. According to the invention, falling sundries are stored by arranging the protective belts, so that the personal safety of the lower side of the bridge is prevented from being threatened, the distances between the end parts of the protective belts are adjusted to adapt to different construction areas, the storable limit rods are arranged to limit the sliding rings, personnel are prevented from falling, and the safety of constructors is ensured.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a safe anti-falling device for bridge construction.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass.
The construction process of bridge generally needs to adopt auxiliary device such as scaffold frame to assist, and the scaffold frame is the work platform of setting up in order to guarantee that each work progress goes on smoothly, but the scaffold frame has following problem in the construction process of bridge: the scaffold is not provided with a protection mechanism, so that sundries falling in the bridge construction process are easy to fall down, and the personal safety of the lower side of the bridge is threatened; the protection mechanism is not arranged on the scaffold, so that the danger of slipping is easy to occur in the construction process, and the problem of slipping of construction personnel is further caused.
Therefore, the problems of sundry falling and personal safety in the bridge construction process are problems which need to be solved urgently.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a bridge construction safety anti-falling device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a bridge construction safety anti-falling device comprises a base, wherein a crawling ladder is fixed on the upper side wall of the base, two connecting plates symmetrically arranged on the outer side of the crawling ladder are further fixed on the upper side wall of the base, horizontal plates are fixed at the upper ends of the two connecting plates, sliding grooves are formed in the upper side wall of the opposite end of each horizontal plate, a sliding plate slides in each sliding groove, supporting rods arranged in an inclined mode are fixed on the upper side walls of the two sliding plates, cloth guide rollers are fixed at the end portions of the two supporting rods, a motor I is fixed on the upper side walls of the two horizontal plates, a cloth winding roller is fixed at the driving end of each motor I, a protective belt arranged around the two cloth guide rollers is wound on the two cloth winding rollers together, an adjusting mechanism is arranged between the two horizontal plates, a sliding ring slides on the connecting plates, and a connecting rope is fixed on the outer wall of the sliding ring, two all rotate on the relative lateral wall of connecting plate and be connected with a plurality of gag lever posts, every the cavity has all been seted up to the inside of connecting plate, it has the slide bar to slide in the cavity, the connecting plate is close to set up the opening with the cavity intercommunication on one side outer wall of gag lever post, install the wire wheel in the opening, every be fixed with the wire rope of walking around the wire wheel setting between the inner wall of gag lever post and the outer wall of slide bar, every the upper end of connecting plate is all fixed to be inlayed and is equipped with electric putter two, the vertical downwardly extending of drive end of electric putter two is in the cavity with the upper end fixed connection of slide bar, the gyro wheel is installed to the lower lateral wall of base, be provided.
Preferably, each limiting groove is formed in the inner walls of the two sides of the sliding groove, and limiting plates located in the limiting grooves and sliding in the limiting grooves are integrally formed on the outer walls of the two sides of the sliding plate.
Preferably, the adjusting mechanism comprises a fixing plate fixed on the upper side wall of the ladder stand, a second motor is fixed on the upper side wall of the fixing plate, a gear is fixed at the driving end of the second motor, two moving plates arranged in a Z shape are fixed on the opposite sides of the two sliding plates, the two moving plates are symmetrically distributed on the upper side and the lower side of the gear, and a rack meshed with the gear is arranged on one side of each moving plate close to the gear.
Preferably, every the installing port has all been seted up with the junction of connecting plate to the gag lever post, be fixed with the pivot between the inner wall of installing port both sides, the gag lever post cover is established on the outer wall of pivot, the cover is equipped with the torque spring of both ends respectively with gag lever post and pivot outer wall fixed connection on the outer wall of pivot.
Preferably, a plurality of baffles positioned at the lower side of each limiting rod are integrally formed on the outer wall of one side of the connecting plate, which is close to the limiting rods.
Preferably, each baffle is arranged obliquely, and the baffle gradually rises from the outside to the inside end.
Preferably, the antiskid mechanism includes two and the base under the lateral wall rotate the connection support the board, two fixedly connected with reset spring between the board, it is the push rod that the U type set up to insert on the base, the both ends of push rod contact with the last lateral wall of the board that supports that corresponds respectively, the last lateral wall of base is fixed with electric putter one, the vertical upwards and push rod fixed connection of drive end of electric putter one.
Preferably, the two abutting plates are wear-resistant rubber plates, and the lower side walls of the two abutting plates are provided with a plurality of anti-skid sawteeth.
Compared with the prior art, this bridge construction safety prevents falling device's advantage lies in:
1. after the device is moved to a construction position through rotation of the roller, the first electric push rod is started to drive the first push rod to move downwards, two ends of the first push rod are in contact with the upper side wall of the abutting plate to extrude the abutting plate to rotate downwards to be in contact with the ground, friction force between the first push rod and the ground is increased, the device is prevented from sliding, and stability of the device in construction work is guaranteed;
2. the distance between the two sliding plates is adjusted according to the area of a bridge construction place, the second starting motor drives the gear to rotate, the moving plate moves leftwards and rightwards through meshing of the gear and the moving plate, the distance between the two sliding plates is changed, the protection belt is unfolded or wound in combination with rotation of the first motor, the distance between two ends of the protection belt is further changed to adapt to the construction area, falling sundries at the construction place are accommodated through the protection belt, and personal threats on the lower side caused by falling are avoided;
3. the slip ring and the limiting rod are arranged, a constructor is connected with the slip ring through a connecting rope, after climbing the crawling ladder, the slip ring is located on the upper side of the limiting rod, the limiting rod limits the slip ring to prevent the slip ring from moving downwards, and the constructor is protected to prevent the slip ring from falling;
4. the sliding rod is arranged, the electric push rod II is started to drive the sliding rod to move downwards, the limiting rod is pulled by the steel wire rope to rotate towards the inner side to be in contact with the outer wall of the connecting plate, the limiting of the sliding ring is released, the sliding of the sliding ring can be realized, the limiting rod is convenient to store, and convenience is brought to the downward movement of constructors;
in conclusion, the protective belt is arranged to store fallen sundries, personal safety of the lower side of the bridge is prevented from being threatened, the distance between the end parts of the protective belt is adjusted to adapt to different construction areas, the storable limiting rods are arranged to limit the sliding rings, personnel are prevented from falling, and safety of construction personnel is guaranteed.
Drawings
FIG. 1 is a schematic structural view of a bridge construction safety anti-drop device according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a side view of a horizontal plate in the bridge construction safety anti-drop device according to the present invention;
fig. 4 is a top view of a joint between a connecting plate and a limiting rod in the bridge construction safety anti-falling device provided by the invention.
In the figure: the device comprises a base 1, a ladder 2, a connecting plate 3, a horizontal plate 4, a sliding plate 5, a supporting rod 6, a cloth guide roller 7, a cloth winding roller 8, a protective belt 9, a fixing plate 10, a gear 11, a moving plate 12, a limiting rod 13, a sliding ring 14, a baffle plate 15, a connecting rope 16, a wire guide wheel 17, a steel wire rope 18, a sliding rod 19, a roller 20, a resisting plate 21, a push rod 22, a reset spring 23, a first electric push rod 24, a second electric push rod 25, a limiting plate 26, a torque spring 27 and a lighting device 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a bridge construction safety anti-falling device, including base 1, base 1's last lateral wall is fixed with cat ladder 2, cat ladder 2 is the climbing equipment of current adoption reinforcing bar preparation, base 1's last lateral wall still is fixed with two symmetries and sets up the connecting plate 3 in the cat ladder 2 outside, the upper end of two connecting plates 3 all is fixed with horizontal plate 4, the spout has all been seted up to the lateral wall on the one end that two horizontal plates 4 are relative, all slide 5 has slided in every spout, the spacing groove has all been seted up on the both sides inner wall of every spout, integrated into one piece has the limiting plate 26 that is located the gliding of spacing groove on slide 5's the both sides outer wall, slide 5 slides when carrying out the regulation of distance between slide 5 in the spout, slide 5 spacing through limiting plate 26 and slide in the spacing groove.
The side wall all is fixed with the branch 6 that the slope set up on two slides 5, the tip of two branches 6 all is fixed with fabric guide roller 7, set up fabric guide roller 7 and carry out the direction of protecting band 9, guarantee the expansion of protecting band 9, the side wall all is fixed with motor one on two horizontal plates 4, the drive end of every motor one all is fixed with around cloth roller 8, two twine jointly on cloth roller 8 and have the protecting band 9 of walking around two fabric guide roller 7 settings, the rotation of going on around cloth roller 8 through motor one is in order to realize the expansion of protecting band 9 or accomodate. The horizontal plate 4 is provided with an illumination device 28.
An adjusting mechanism is arranged between the two horizontal plates 4, the adjusting mechanism comprises a fixed plate 10 fixed on the upper side wall of the ladder stand 2, a second motor is fixed on the upper side wall of the fixed plate 10, a gear 11 is fixed at the driving end of the second motor, a movable plate 12 arranged in a Z shape is fixed on one opposite side of each of the two sliding plates 5, the two movable plates 12 are symmetrically distributed on the upper side and the lower side of the gear 11, a rack meshed with the gear 11 is arranged on one side of the movable plate 12 close to the gear 11, the distance between the two sliding plates 5 is adjusted through the movement of the movable plate 12, when the bridge construction is carried out, the distance between the two ends of the protective belt 9 is adjusted according to the area of the bridge construction site, the second motor is started to drive the gear 11 to rotate, when the gear 11 is positively transmitted, the two sliding plates 5 are driven to move towards the inner side, the distance between the two ends of the protective belt, make the distance increase between 9 both ends of protecting band, furtherly, when slide 5 is close to, carry out the rolling of protecting band 9 around the rotation of cloth roller 8 through the drive of motor one, when two slides 5 were kept away from, rotate around cloth roller 8 through the drive of motor one and carry out the expansion of protecting band 9, guarantee that protecting band 9 adapts to the distance change between two slides 5, realize adjusting the distance between 9 both ends of protecting band according to the area size of bridge construction department, avoided cutting out the shearing to protecting band 9, the waste of protecting band 9 has been avoided.
A slip ring 14 is arranged on the connecting plate 3 in a sliding manner, a connecting rope 16 is fixed on the outer wall of the slip ring 14, a plurality of limiting rods 13 are rotatably connected on the side wall of one side of each of the two opposite connecting plates 3, a mounting opening is formed at the joint of each limiting rod 13 and the connecting plate 3, a rotating shaft is fixed between the inner walls of the two sides of the mounting opening, the limiting rods 13 are sleeved on the outer wall of the rotating shaft, a torque spring 27 with two ends respectively fixedly connected with the limiting rods 13 and the outer wall of the rotating shaft is sleeved on the outer wall of the rotating shaft, the limiting rods 13 rotate on the outer wall of the rotating shaft, when the torque spring 27 is completely unfolded, the end parts of the limiting rods 13 are far away from the connecting plate 3, a plurality of baffle plates 15 positioned on the lower side of each limiting rod 13 are integrally formed on the outer wall of one side of the connecting plate 3 close to the limiting rods, carry out through connecting rope 16 and be connected fixedly with the human body, when personnel climbed up, drive sliding ring 14 and up move, contact extrusion gag lever post 13 through sliding ring 14 and gag lever post 13 is toward inboard rotation, carry out torsion of torque spring 27, when sliding ring 14 removed to gag lever post 13's upside, gag lever post 13 is toward the outside rotation under torque spring 27's reverse elasticity, sliding ring 14 is located gag lever post 13's inboard this moment, carry out spacing prevention gliding to sliding ring 14, guarantee that constructor can not take place the problem that drops in the work progress, self safety has been ensured.
When moving upwards, the sliding ring 14 contacts with the lower side inclined plane of the baffle 15, the sliding ring 14 is prevented from being clamped through the guiding effect of the inclined plane, and the sliding ring 14 is ensured to slide upwards smoothly.
A cavity is arranged inside each connecting plate 3, a sliding rod 19 slides in the cavity, an opening communicated with the cavity is arranged on the outer wall of one side of each connecting plate 3 close to the limiting rod 13, a wire guide wheel 17 is arranged in the opening, a steel wire rope 18 arranged around the wire guide wheel 17 is fixed between the inner wall of each limiting rod 13 and the outer wall of the sliding rod 19, an electric push rod II 25 is fixedly embedded at the upper end of each connecting plate 3, the driving end of the electric push rod II 25 vertically extends downwards into the cavity and is fixedly connected with the upper end of the sliding rod 19, after the work is finished, the electric push rod II 25 is started to drive the sliding rod 19 to move downwards, the end part of the steel wire rope 18 is pulled by the sliding rod 19 to move inwards, the limiting rod 13 is pulled by the other end of the steel wire rope 18 to rotate inwards to be contacted with the outer wall of the connecting plate, the slip ring 14 can slide down.
The lower side wall of the base 1 is provided with a roller 20, the movement of the device is carried out by the rotation of the roller 20, furthermore, the roller 20 can adopt a lockable wheel, the rotation of the wheel is avoided by locking after the movement, the stability of the device is ensured to a certain extent, the base 1 is provided with an antiskid mechanism, the antiskid mechanism comprises two abutting plates 21 which are rotatably connected with the lower side wall of the base 1, a reset spring 23 is fixedly connected between the two abutting plates 21, when the reset spring 23 is completely unfolded, the two abutting plates 21 are in an unfolded state, the end parts of the two abutting plates are far away from the ground, the base 1 is inserted with a push rod 22 which is arranged in a U shape, two ends of the push rod 22 are respectively contacted with the upper side wall of the corresponding abutting plates 21, the upper side wall of the base 1 is fixedly provided with an electric push rod 24, the driving end of the electric push rod 24 is vertically upwards fixedly connected with the push rod 22, the two abutting plates 21 are wear-resistant rubber, after the device moves to the lower side of a construction part, the electric push rod I24 is started, the driving end of the electric push rod I24 is retracted to drive the push rod 22 to move downwards, two ends of the push rod 22 are in contact with the upper side wall of the abutting plate 21 to extrude the abutting plate 21 to rotate downwards to be in contact with the ground, friction force between the two ends of the push rod 22 and the ground is increased, and the device is prevented from sliding.
The operating principle of the present invention is now explained as follows:
when the bridge construction is carried out, the device is moved to the lower side of a construction position, the electric push rod I24 is started, the driving end of the electric push rod I24 is retracted to drive the push rod 22 to move downwards, two ends of the push rod 22 are in contact with the upper side wall of the abutting plate 21 to extrude the abutting plate 21 to rotate downwards to be in contact with the ground, the friction force between the two ends of the push rod 22 and the ground is increased, and the device is prevented from sliding;
the distance between two ends of a protective belt 9 is adjusted according to the area of a bridge construction place, a second starting motor drives a gear 11 to rotate, when the gear 11 forwards transmits, two sliding plates 5 are driven to move towards the inner side, the distance between two ends of the protective belt 9 is reduced, when the gear 11 reversely rotates, the two sliding plates 5 are driven to move towards the outer side, the distance between two ends of the protective belt 9 is increased, further, when the sliding plates 5 are close to each other, the protective belt 9 is wound by driving a cloth winding roller 8 to rotate through a first motor, when the two sliding plates 5 are far away from each other, the protective belt 9 is unfolded by driving the cloth winding roller 8 to rotate through the first motor, the protective belt 9 is ensured to adapt to the distance change between the two sliding plates 5, meanwhile, the protective belt 9 is ensured to be pulled open, and certain bearing force is;
when the constructor climbs ladder 2, carry out through connecting rope 16 and be connected fixedly with the human body, when the personnel climbed up, drive sliding ring 14 and move up, contact extrusion gag lever post 13 through sliding ring 14 and gag lever post 13 rotates towards the inboard, carry out torsion of torque spring 27, when sliding ring 14 removes the upside to gag lever post 13, gag lever post 13 rotates towards the outside under torque spring's 27 reverse elasticity, sliding ring 14 is located the inboard of gag lever post 13 this moment, carry out spacing the preventing gliding to sliding ring 14, after work is finished, start electric putter two 25, drive slide bar 19 and move down, through wire rope 18 pulling gag lever post 13 and rotate towards the inboard and contact with the outer wall of connecting plate 3, remove the spacing to sliding ring 14, can realize the gliding of sliding ring 14.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The safe anti-falling device for bridge construction comprises a base (1) and is characterized in that a ladder (2) is fixed on the upper side wall of the base (1), two connecting plates (3) symmetrically arranged on the outer side of the ladder (2) are further fixed on the upper side wall of the base (1), horizontal plates (4) are fixed at the upper ends of the two connecting plates (3), chutes are formed in the opposite end upper side walls of the two horizontal plates (4), sliding plates (5) are respectively arranged in each chute in a sliding manner, obliquely arranged supporting rods (6) are respectively fixed on the upper side walls of the two sliding plates (5), cloth guide rollers (7) are respectively fixed at the end parts of the two supporting rods (6), first motors are respectively fixed on the upper side walls of the two horizontal plates (4), cloth winding rollers (8) are respectively fixed at the driving ends of the first motors, protective belts (9) arranged on the two cloth winding rollers (8) and used for winding the two cloth guide rollers (7), an adjusting mechanism is arranged between the two horizontal plates (4); a slip ring (14) is arranged on the connecting plates (3) in a sliding manner, a connecting rope (16) is fixed on the outer wall of the slip ring (14), a plurality of limiting rods (13) are rotatably connected on the side walls of the two opposite sides of the connecting plates (3), a cavity is arranged in each connecting plate (3), a sliding rod (19) slides in the cavity, an opening communicated with the cavity is arranged on the outer wall of one side of the connecting plate (3) close to the limiting rod (13), a wire guide wheel (17) is arranged in the opening, a steel wire rope (18) which is arranged around the wire guide wheel (17) is fixed between the inner wall of each limiting rod (13) and the outer wall of each sliding rod (19), an electric push rod II (25) is fixedly embedded at the upper end of each connecting plate (3), the driving end of the electric push rod II (25) vertically extends downwards into the cavity and is fixedly connected with the upper end of the slide rod (19).
2. The bridge construction safety anti-falling device according to claim 1, wherein the inner walls of both sides of each sliding groove are provided with a limiting groove, and the outer walls of both sides of the sliding plate (5) are integrally formed with a limiting plate (26) sliding in the limiting groove.
3. The bridge construction safety falling prevention device is characterized in that the adjusting mechanism comprises a fixed plate (10) fixed on the upper side wall of the ladder (2), a second motor is fixed on the upper side wall of the fixed plate (10), a gear (11) is fixed at the driving end of the second motor, moving plates (12) arranged in a Z shape are fixed on the opposite sides of the two sliding plates (5), the two moving plates (12) are symmetrically distributed on the upper side and the lower side of the gear (11), and a rack meshed with the gear (11) is arranged on one side of the moving plates (12) close to the gear (11).
4. The bridge construction safety falling prevention device according to claim 2, wherein a mounting opening is formed at the joint of each limiting rod (13) and the connecting plate (3), a rotating shaft is fixed between the inner walls of two sides of the mounting opening, the limiting rod (13) is sleeved on the outer wall of the rotating shaft, and a torque spring (27) with two ends respectively fixedly connected with the limiting rod (13) and the outer wall of the rotating shaft is sleeved on the outer wall of the rotating shaft.
5. The bridge construction safety falling prevention device according to claim 2, wherein a plurality of baffles (15) are integrally formed on the outer wall of the connecting plate (3) on the side close to the limiting rods (13) and positioned on the lower side of each limiting rod (13).
6. The bridge construction safety falling prevention device according to claim 5, wherein each baffle (15) is arranged obliquely, and the baffles (15) are gradually raised from the outside to the inside end.
7. The bridge construction safety falling prevention device according to claim 1, wherein an anti-slip mechanism is arranged on the base (1), the anti-slip mechanism comprises two abutting plates (21) rotatably connected with the lower side wall of the base (1), a return spring (23) is fixedly connected between the two abutting plates (21), a push rod (22) arranged in a U shape is inserted into the base (1), two ends of the push rod (22) are respectively contacted with the upper side wall of the corresponding abutting plates (21), an electric push rod I (24) is fixed on the upper side wall of the base (1), and the vertical driving end of the electric push rod I (24) is upwards fixedly connected with the push rod (22).
8. The bridge construction safety anti-falling device according to claim 7, wherein the two abutting plates (21) are wear-resistant rubber plates, and the lower side walls of the two abutting plates (21) are provided with a plurality of anti-slip saw teeth.
9. The bridge construction safety falling prevention device according to claim 1, wherein rollers (20) are installed at the lower side wall of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208468.9A CN110820589B (en) | 2019-11-30 | 2019-11-30 | Bridge construction safety anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208468.9A CN110820589B (en) | 2019-11-30 | 2019-11-30 | Bridge construction safety anti-falling device |
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| CN110820589A CN110820589A (en) | 2020-02-21 |
| CN110820589B true CN110820589B (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911208468.9A Active CN110820589B (en) | 2019-11-30 | 2019-11-30 | Bridge construction safety anti-falling device |
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| CN115095176B (en) * | 2022-02-22 | 2023-09-15 | 山东高速工程建设集团有限公司 | Mountain area complex environment cross-line bridge construction safety device |
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| JP2008301872A (en) * | 2007-06-05 | 2008-12-18 | East Japan Railway Co | Safety implement for high-place work |
| JP2012016519A (en) * | 2010-07-09 | 2012-01-26 | Chugoku Electric Power Co Inc:The | Fall-preventing safety device |
| CN206448173U (en) * | 2017-01-18 | 2017-08-29 | 侯彦赫 | Bridge construction anti-drop device |
| CN206607833U (en) * | 2017-03-28 | 2017-11-03 | 周轶 | A kind of adjustable operating desk |
| CN206768624U (en) * | 2017-06-06 | 2017-12-19 | 滨州学院 | A kind of movable type bridge, which is built, uses protective platform |
| CN207296564U (en) * | 2017-06-09 | 2018-05-01 | 国动网络通信集团江西有限公司 | A kind of fall arrest and the high intelligent angle steel tower of safety coefficient |
| CN207144801U (en) * | 2017-06-27 | 2018-03-27 | 国网河南鄢陵县供电公司 | A kind of anti-fall device of maintenance ladder |
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| CN108118880B (en) * | 2017-12-29 | 2019-11-15 | 上海建工集团股份有限公司 | Townhouse formula rack gear anti-fall device and its application method |
| CN108316631A (en) * | 2017-12-30 | 2018-07-24 | 中交二航局第四工程有限公司安徽分公司 | Interim climbing scaffold system |
| CN108505754A (en) * | 2018-03-19 | 2018-09-07 | 柳伟军 | A kind of bridge construction anti-drop device |
| CN108222476A (en) * | 2018-03-26 | 2018-06-29 | 唐水生 | A kind of assembled architecture safe construction platform |
| CN208473698U (en) * | 2018-05-14 | 2019-02-05 | 广东电网有限责任公司 | Safety ladder for preventing falling |
| CN109235888B (en) * | 2018-09-06 | 2020-12-08 | 杭州育锦科技有限公司 | Building site is with template installation device of nailing of can autotomatically drilling |
| CN208885001U (en) * | 2018-10-16 | 2019-05-21 | 刘淞源 | Building engineering shuttering fixes device |
| CN109469345A (en) * | 2018-11-12 | 2019-03-15 | 安徽家思特涂料有限责任公司 | Exterior wall engineering net protection unit |
| CN209413843U (en) * | 2018-11-30 | 2019-09-20 | 天津市喜峰科技有限公司 | A kind of high-altitude ladder stand safety protection device |
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- 2019-11-30 CN CN201911208468.9A patent/CN110820589B/en active Active
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| CN110820589A (en) | 2020-02-21 |
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