CN206337803U - A kind of external trigger-type anti-falling device - Google Patents

A kind of external trigger-type anti-falling device Download PDF

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Publication number
CN206337803U
CN206337803U CN201621378088.1U CN201621378088U CN206337803U CN 206337803 U CN206337803 U CN 206337803U CN 201621378088 U CN201621378088 U CN 201621378088U CN 206337803 U CN206337803 U CN 206337803U
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China
Prior art keywords
special
multijaw
rotor
shaped clamp
driving section
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CN201621378088.1U
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Chinese (zh)
Inventor
施志峰
高镜钦
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Xiamen Anke Technology Co Ltd
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Xiamen Anke Technology Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
    • E04G3/32Hoisting devices; Safety devices

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

The utility model discloses a kind of external trigger-type anti-falling device, with the matrix being oriented to fluctuating orbit, multijaw rotor and special-shaped clamp are rotatably mounted with by bearing pin in matrix, special-shaped clamp has driving section and the braking parts of L-shaped setting, driving section and braking parts link together close to one end of bearing pin and the other end distally extends respectively, the medial surface of driving section arches upward to form arched weight, the upper limit plate that the special-shaped clamp of lateral surface formation limitation of correspondence driving section turns upwards on matrix, the lateral spacing plane that the special-shaped clamp of lateral surface formation limitation of correspondence braking parts turns downwards on matrix, when multijaw rotor is rotated, the arching trajectory of its claw arcuately counterweight does the motion being slidably matched and promotes special-shaped clamp to deflect, when special-shaped clamp deflects to the lateral surface of driving section against upper limit plate, the lateral surface of braking parts leans with the claw of multijaw rotor and limits the rotation of multijaw rotor.The utility model is simple in construction, compact, and safety and reliability is high.

Description

A kind of external trigger-type anti-falling device
Technical field
The utility model is related to a kind of external trigger-type anti-falling device, it is adaptable to attachment type raise scaffold.
Background technology
Attachment type raise scaffold is the scaffold set up along building structure outer surface, is beginning of this century fast development New type scaffold technology, high-rise working is changed into lower operation by it, hanging operation is changed into support body inside processing, with notable Low-carbon, high-tech content and it is more economical, safer, more convenient the features such as.The elevating function of raise scaffold, it is big generous Construction and fitting-out work construction operation.Raise scaffold also has anti-tilt device and falling proof device.Wherein, prevent Drop device is able to ensure that raise scaffold is in a safe condition all the time, effectively anti-fall, is the key of safe construction.
In the prior art, falling proof device has three kinds:
One is steel derrick type catching device, and this device is vulnerable to installation influence, and the abrasion of steel suspension rod, causes anti-fall apart from mistake Greatly, in addition failure;
Two be that back-moving spring is provided with star wheel type catching device, this device, easily by live cement, the erosion of mortar and bullet The influence of spring itself fatigue strength, and potential safety hazard is produced, or even failure;
Three be planetary jam catching device, is coordinated using star-wheel and eccentric centering block, when raise scaffold drastically declines, Eccentric centering block is set not restore in time because star-wheel rotating speed is too fast, eccentric centering block is blocked by jam pin and blocks star downwards upwards Wheel, further prevents raise scaffold from continuing to decline, plays a part of fall arrest;But, there is many defects in this device: (1)Need specially to set jam pin, component increase, processing and the cost increase installed, structure is not compact, installs inconvenient; (2)Eccentric centering block be " eight words " shape eccentric wheel, completely by self-weight reset, the position after reset is difficult to be consistent, easily because Live cement, mortar adhere to and produce centre-of gravity shift, influence the normal work of device;(3)Eccentric centering block motion process amplitude of fluctuation Degree is big, and swings also indefinite, further makes structure design not compact;(4)Fall operating mode, only the gear teeth and eccentric centering block by star-wheel The point face formed between the lower end on one side contacts and blocks star-wheel, and reliability is low, easily because live cement, mortar are adhered to and are produced Centre-of gravity shift, causes a face loose contact not contact even so that failure of apparatus.
In view of this, the present inventor adheres to enrich of the relevant industries for many years and designed and developed and actual fabrication experience, for Existing missing, the defect of particularly planetary jam catching device, being studied improvement, there is provided a kind of external trigger-type fall arrest Thus device, this case produces.
Utility model content
The purpose of this utility model is to provide a kind of external trigger-type anti-falling device, makes structure simpler, compact, is improved Safety and reliability.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of external trigger-type anti-falling device, it is rotatable by bearing pin in matrix with the matrix being oriented to fluctuating orbit Ground is provided with multijaw rotor and special-shaped clamp, and special-shaped clamp has driving section and the braking parts of L-shaped setting, driving section and braking Portion is linked together close to one end of bearing pin and the other end distally extends respectively, and the medial surface of driving section, which arches upward, to be formed arc and match somebody with somebody Correspondence braking parts on the upper limit plate that the special-shaped clamp of lateral surface formation limitation of correspondence driving section turns upwards on weight, matrix, matrix The special-shaped clamp of the lateral surface formation limitation lateral spacing plane that turns downwards, when multijaw rotor is rotated, its claw arcuately counterweight Arching trajectory does the motion being slidably matched and promotes special-shaped clamp to deflect, when special-shaped clamp deflect to the lateral surface of driving section against During upper limit plate, the lateral surface of braking parts leans with the claw of multijaw rotor and limits the rotation of multijaw rotor.
Angle between the center line of both the driving section and braking parts is 90o~95o.
The lateral surface of the braking parts blocks away from arc-shaped transitional surface and jam face, arc-shaped transitional surface is formed at bearing pin in abnormal shape Coordinate when son resets with the lateral spacing plane of matrix, jam face deflects to the lateral surface of driving section against upper limit plate in special-shaped clamp When leant with the claw of multijaw rotor and limit the rotation of multijaw rotor, between being kept between the medial surface and multijaw rotor of braking parts Gap coordinates.
The lateral surface of the driving section is that plane coordinates with upper limit plate.
The multijaw rotor has 4~6 claws uniformly laid.
The position relationship of the special-shaped clamp and multijaw rotor is:Using the axle center of multijaw rotor as vertical coordinate X-axis and Y-axis Crosspoint, the axle center of special-shaped clamp is located at the line and water of fourth quadrant, the axle center of special-shaped clamp and the axle center of multijaw rotor The angle of flat axis is 60o, and the fluctuating orbit of matrix is located at first quartile.
After such scheme, the utility model has advantages below:
(1)Jam pin need not be specially set, directly realize what special-shaped clamp turned upwards using the upper limit plate of matrix It is spacing, component is reduced, processing and the cost installed is reduced, structure design is more compact, installs more convenient;
(2)The arched weight of special-shaped clamp is added, is always deflected when resetting special-shaped clamp to braking parts, increases matrix On lateral spacing plane, make special-shaped clamp not only by self-weight reset, while rotating into row downwards to special-shaped clamp by lateral spacing plane Spacing, the position after reset is always consistent, it is ensured that special-shaped clamp and multijaw rotor reliable fit during work, it is ensured that device Normal work;
(3)The arching trajectory motion design of claw when being rotated to the ingehious design of special-shaped clamp structures, and multijaw rotor, Coordinate the lateral spacing plane design of matrix, make special-shaped clamp motion process amplitude of fluctuation small, and swing positioning soon, structure design is tighter Gather;
(4)Fall operating mode, plane-plane contact is formed between the lateral surface of the braking parts of special-shaped clamp and the claw of multijaw rotor And lean, limitation multijaw rotor is rotated, and reliability is high, and intensity is big;
(5)Global design is compact, it is ensured that coordinate the distance between the support body installed and construction wall with fluctuating orbit It is smaller, make the gap adjusting range between support body and wall bigger, the stress condition of support body is more preferably, cost-effective, improve safety Property and reliability;
(6)Using the structure formation upper limit plate and lateral spacing plane of matrix in itself, dust-proof and protection device component is played Effect, it is to avoid live cement and mortar adhere to and produces centre-of gravity shift and the stuck failure case of device.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is installation outside drawing of the present utility model;
Fig. 3 is installation sectional view of the present utility model;
Fig. 4 is lifting operating mode schematic diagram of the present utility model;
Fig. 5~8 are lifting operating mode of the present utility model, multijaw rotor motion process schematic;
Fig. 9 is decline operating mode schematic diagram of the present utility model;
Figure 10~13 are decline operating mode of the present utility model, multijaw rotor motion process schematic;
Figure 14 is the operating mode schematic diagram of the present utility model that falls;
Figure 15~18 are operating mode of the present utility model of falling, multijaw rotor motion process schematic;
Figure 19 is special-shaped clamp structures enlarged drawing of the present utility model.
Label declaration
Matrix 10, fluctuating orbit 11, upper limit plate 12, lateral spacing plane 13;
Multijaw rotor 20, bearing pin 21, claw 22;
Special-shaped clamp 30, bearing pin 31, driving section 32, braking parts 33, arched weight 34, arc-shaped transitional surface 35, jam face 36, Medial surface 37;
Wall 40, bolt 41, wall-attached frame 42;
Support body 50, horizontal driving lever 51.
Embodiment
Refer to shown in Fig. 1 to Figure 19, a kind of external trigger-type anti-falling device that the utility model is disclosed, with band lifting The matrix 10 that track 11 is oriented to.
Multijaw rotor 20 is installed in rotation in matrix 10 by bearing pin 21.So-called multijaw rotor 20 can have uniform 4~6 claws 22 laid.
Special-shaped clamp 30 is installed in rotation in matrix 10 by bearing pin 31.Special-shaped clamp 30 has L-shaped setting Driving section 32 and braking parts 33, driving section 32 and braking parts 33 link together close to one end of bearing pin 31, and the other end is distinguished Distally extend, the medial surface of driving section 32 arches upward to form arched weight 34.Correspondingly, the outer of driving section 32 is corresponded on matrix 10 Side, which forms upper limit plate 12, to be used to limit upward turn of special-shaped clamp 30, the lateral surface formation side of correspondence braking parts 33 on matrix 10 Confined planes 13 are used to limit downward turn of special-shaped clamp 30.
Preferred configuration of the present utility model is that the angle between both driving section 32 and braking parts 33 center lines is 90o~95 º;The position relationship of special-shaped clamp 30 and multijaw rotor 20 is:Using the axle center of multijaw rotor 20 as the friendship of vertical coordinate X-axis and Y-axis Crunode(O points), the axle center of special-shaped clamp 30 is located at the company of fourth quadrant, the axle center of special-shaped clamp 30 and the axle center of multijaw rotor 20 The angle of line and horizontal axis is 60o, and the fluctuating orbit 11 of matrix 10 is located at first quartile.So, make to swing smaller during motion, Mechanism overall structure is more compact.
In addition, the lateral surface of the utility model driving section 32 is designed as plane and the upper limit plate 12 of matrix 10 coordinates, can So that special-shaped clamp 30 turn upwards it is spacing more steady;The lateral surface of braking parts 33 to form arc-shaped transitional surface away from being designed at bearing pin 35 and jam face 36, the lateral spacing plane 13 when arc-shaped transitional surface 35 resets for special-shaped clamp 30 with matrix 10 coordinates, jam face 36 For operating mode of falling(Special-shaped clamp 30 deflects to the lateral surface of driving section 32 against upper limit plate 12)When with the pawl of multijaw rotor 20 Sub 22 plane-plane contacts coordinate, and form jam effect, in this way it can be ensured that the double action of the spacing and jam of braking parts 33, system Gap is kept to coordinate between the medial surface 37 and multijaw rotor 20 in dynamic portion 33.
When the utility model is installed, as shown in Figure 1 to Figure 3, matrix 10 is fixedly mounted on by bolt 41 and wall-attached frame 42 On wall 40, the horizontal driving lever 51 of a row is installed in the side of support body 50 of raise scaffold, and the side that support body 50 installs horizontal driving lever 51 is worn It is inserted in fluctuating orbit 11, multijaw rotor 20 and the horizontal engaged transmission of driving lever 51.
When the support body 50 of raise scaffold is lifting operating mode(Speed is slow), as shown in Fig. 4 to Fig. 8, the horizontal band of driving lever 51 When dynamic multijaw rotor 20 is rotated counterclockwise, the arching trajectory of its claw 22 arcuately counterweight 34 is slidably matched fortune from right to left It is dynamic.Fig. 5 is that multijaw rotor 20 rotates counterclockwise about 20o in the position that multijaw rotor 20 and special-shaped clamp 30 are initially contacted, Fig. 6, Multijaw rotor 20 is rotated further about counterclockwise during the special-shaped clamp 30 of promotion rotates clockwise about 21o, Fig. 7 under arching trajectory guiding 20o, and special-shaped clamp 30 rotates counterclockwise the inverse time of multijaw rotor 20 in about 10o, Fig. 8 under arching trajectory guiding and Gravitative Loads Pin is rotated further disengaging arching trajectory, and special-shaped clamp 30 is returned to initial bit under Gravitative Loads with the cooperation of lateral spacing plane 13 Put, continue next circulation.And so on, support body 50 is lifted at a slow speed, and multijaw rotor 20 and special-shaped clamp 30 will not be blocked mutually, I.e. anti-falling device will not block support body 50, and support body 50 can be risen with continuous slow.
When the support body 50 of raise scaffold is declining operating mode(Speed is slow), as shown in Fig. 9 to Figure 13, the horizontal band of driving lever 51 When dynamic multijaw rotor 20 is rotated clockwise, arcuately match somebody with somebody after the medial surface 37 of braking parts 33 that its claw 22 passes through special-shaped clamp 30 The arching trajectory for weighing 34 is from left to right slidably matched motion.Figure 10 is multijaw rotor 20 and the special-shaped discontiguous position of clamp 30 Put, Figure 11 is that multijaw rotor 20 rotates clockwise about 20 in the position that multijaw rotor 20 and special-shaped clamp 30 are initially contacted, Figure 12 O, promotes special-shaped clamp 30 to rotate counterclockwise multijaw rotor 20 in about 10o, Figure 13 under arching trajectory guiding and continues to turn counterclockwise Dynamic about 20o, and special-shaped clamp 30 rotates clockwise about 21o, special-shaped clamp 30 and side under arching trajectory guiding and Gravitative Loads Confined planes 13, which coordinate, is returned to initial position, continues next circulation.And so on, the descending at slow speed of support body 50, multijaw rotor 20 Will not mutually it be blocked with special-shaped clamp 30, i.e., anti-falling device will not block support body 50, support body 50 can be declined with continuous slow.
When the support body 50 of raise scaffold is falling operating mode(Rapidly), as shown in Figure 14 to Figure 18, the horizontal band of driving lever 51 When dynamic multijaw rotor 20 is rotated clockwise, the arching trajectory of its claw 22 arcuately counterweight 34 is from left to right quickly moved.Figure 15 It is multijaw rotor 20 and the special-shaped discontiguous position of clamp 30, Figure 16 is the position that multijaw rotor 20 and special-shaped clamp 30 are initially contacted Put, multijaw rotor 20 is quickly rotated clockwise in Figure 17, the previous claw 22 of multijaw rotor 20 collides special-shaped clamp 30, promote Special-shaped clamp 30 is quickly rotated counterclockwise, and special-shaped clamp 30 has little time to reset, and is just blocked by next claw 22 of multijaw rotor 20 Firmly, multijaw rotor 20 continues quickly to rotate clockwise in Figure 18, promotes special-shaped clamp 30 to continue quickly to rotate counterclockwise, makes abnormal shape The upper limit plate 12 of the lateral surface and matrix 10 of the driving section 32 of clamp 30 coordinates, and special-shaped clamp 30 is rotated up spacing, abnormal shape card The face 36 of sub 30 braking parts 33 and the plane-plane contact of next claw 22 of multijaw rotor 20, special-shaped clamp 30 block multijaw securely Rotor 20.Thus, the rapid decrease of support body 50, special-shaped clamp 30 and multijaw rotor 20 are mutually blocked, i.e., anti-falling device blocks support body 50, prevent support body 50 from continuing descending at slow speed, reach anti-falling function.
In a word, directly to realize that special-shaped clamp 30 turns upwards using the upper limit plate 12 of matrix 10 spacing for the utility model, " jam pin " this component is reduced, processing and the cost installed is reduced, structure design is more compact, installs more convenient;This Utility model adds the arched weight 34 of special-shaped clamp 30, is always deflected when resetting special-shaped clamp 30 to braking parts 33, together When, increase the lateral spacing plane 13 on matrix 10, make special-shaped clamp 30 not only by self-weight reset, also by lateral spacing plane 13 to different Type clamp 30 rotates into downwards that row is spacing, and the position after order resets is always consistent, it is ensured that special-shaped clamp 30 and multijaw during work The reliable contacts of rotor 20, it is ensured that the normal work of device;The utility model is to the ingehious design of the special-shaped structure of clamp 30, Yi Jiduo The arching trajectory motion design of claw 22 when pawl rotor 20 is rotated, coordinates the lateral spacing plane 13 of matrix 10 to design, makes special-shaped clamp 30 motion process amplitudes of fluctuation are small, and swing positioning soon, and structure design is more compact;The utility model is in operating mode of falling, abnormal shape card Plane-plane contact is formed between the face 36 in the outside of braking parts 33 of son 30 and the claw 22 of multijaw rotor 20, limitation multijaw rotor turns Dynamic, reliability is high, and intensity is big;The utility model global design is compact, it is ensured that coordinate the support body installed with fluctuating orbit 11 20 is smaller with the distance between construction wall 40, makes the distance between support body 50 and wall 40 adjusting range bigger, support body 50 Stress condition is more preferably, cost-effective, improves safety and reliability;The He of upper limit plate 12 on the utility model increase matrix 10 Lateral spacing plane 13, can play a part of dust-proof and protection device component, it is to avoid live cement and mortar adhere to and produces center of gravity Skew and the stuck failure case of device.
Have in the structure pattern of foregoing embodiment or schema and non-limiting the utility model, any art The appropriate change of usual skill is modified, and all should be regarded as not departing from the patent category of the utility model.

Claims (6)

1. a kind of external trigger-type anti-falling device, it is characterised in that:With the matrix being oriented to fluctuating orbit, pin is passed through in matrix Axle is rotatably mounted with multijaw rotor and special-shaped clamp, and special-shaped clamp has driving section and the braking parts of L-shaped setting, is driven Portion and braking parts link together close to one end of bearing pin and the other end distally extends respectively, and the medial surface of driving section arches upward shape It is right on the upper limit plate that the special-shaped clamp of lateral surface formation limitation of correspondence driving section turns upwards on camber counterweight, matrix, matrix The lateral spacing plane for answering the special-shaped clamp of lateral surface formation limitation of braking parts to turn downwards, when multijaw rotor is rotated, its claw is along arc The arching trajectory of shape counterweight does the motion being slidably matched and promotes special-shaped clamp to deflect, when special-shaped clamp deflects to the outer of driving section When side is against upper limit plate, the lateral surface of braking parts leans with the claw of multijaw rotor and limits the rotation of multijaw rotor.
2. a kind of external trigger-type anti-falling device as claimed in claim 1, it is characterised in that:The driving section and braking parts two Angle between person's center line is 90o~95o.
3. a kind of external trigger-type anti-falling device as claimed in claim 1, it is characterised in that:The lateral surface of the braking parts is remote From forming arc-shaped transitional surface and jam face at bearing pin, arc-shaped transitional surface is matched somebody with somebody when special-shaped clamp resets with the lateral spacing plane of matrix Close, jam face leant when special-shaped clamp deflects to the lateral surface of driving section against upper limit plate with the claw of multijaw rotor and Limit multijaw rotor to rotate, keep gap to coordinate between the medial surface and multijaw rotor of braking parts.
4. a kind of external trigger-type anti-falling device as claimed in claim 1, it is characterised in that:The lateral surface of the driving section is Plane coordinates with upper limit plate.
5. a kind of external trigger-type anti-falling device as claimed in claim 1, it is characterised in that:The multijaw rotor has uniform 4~6 claws laid.
6. a kind of external trigger-type anti-falling device as claimed in claim 1, it is characterised in that:The special-shaped clamp and multijaw turn Son position relationship be:Using the axle center of multijaw rotor as the crosspoint of vertical coordinate X-axis and Y-axis, the axle center of special-shaped clamp is located at Fourth quadrant, the axle center of special-shaped clamp and the line in axle center of multijaw rotor and the angle of horizontal axis are 60o, the lifting of matrix Track is located at first quartile.
CN201621378088.1U 2016-10-25 2016-12-15 A kind of external trigger-type anti-falling device Active CN206337803U (en)

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CN2016211629242 2016-10-25
CN201621162924 2016-10-25

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CN201611160357.1A Pending CN106677514A (en) 2016-10-25 2016-12-15 External-installed triggering type anti-sink device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108590156A (en) * 2018-08-02 2018-09-28 四川省第六建筑有限公司 A kind of constriction for catching device and the catching device that structure stress can be optimized
CN110259099A (en) * 2017-09-20 2019-09-20 烟台知兴知识产权咨询服务有限公司 A kind of falling proof device of construction attachment type raise scaffold

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108979118B (en) * 2017-06-05 2020-12-04 深圳市特辰科技股份有限公司 Rotary wheel type positioning anti-falling device
CN108661305B (en) * 2018-08-02 2023-06-23 华西工程科技(深圳)股份有限公司 Anti-falling device with reliable anti-falling performance
CN108643549B (en) * 2018-08-02 2023-09-22 华西工程科技(深圳)股份有限公司 Falling protector for attached lifting scaffold
CN108590157B (en) * 2018-08-02 2023-05-05 华西工程科技(深圳)股份有限公司 Falling protector without influencing lifting of scaffold

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Publication number Priority date Publication date Assignee Title
CA2638490C (en) * 2008-07-31 2015-10-06 9020-4983 Quebec Inc. Scaffolding safety device
CN202273398U (en) * 2011-08-26 2012-06-13 黄立根 Multifunctional wall-attached support of lift scaffold
CN103771306A (en) * 2014-01-24 2014-05-07 江苏普腾停车设备有限公司 Mechanical type dynamic anti-falling device and lifting platform assembled with same
CN104060811B (en) * 2014-06-27 2016-03-30 成都嘉泽正达科技有限公司 Attaching multifunctional guide seat
CN104863346A (en) * 2015-04-30 2015-08-26 北京韬盛科技发展有限公司 Planetary blocking anti-falling device
CN205400015U (en) * 2016-02-06 2016-07-27 湖北汉安龙兴科技有限公司 A anti -falling device for climbing frame

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110259099A (en) * 2017-09-20 2019-09-20 烟台知兴知识产权咨询服务有限公司 A kind of falling proof device of construction attachment type raise scaffold
CN108590156A (en) * 2018-08-02 2018-09-28 四川省第六建筑有限公司 A kind of constriction for catching device and the catching device that structure stress can be optimized

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Address after: 361000 702, Hengyi building, No.1-3, Zhongling Road, Huli District, Xiamen City, Fujian Province

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Address before: 361000 702, Hengyi building, No.1-3, Zhongling Road, Huli District, Xiamen City, Fujian Province

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