CN110259092B - Safe high-altitude operation cross sliding frame - Google Patents

Safe high-altitude operation cross sliding frame Download PDF

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Publication number
CN110259092B
CN110259092B CN201910357197.7A CN201910357197A CN110259092B CN 110259092 B CN110259092 B CN 110259092B CN 201910357197 A CN201910357197 A CN 201910357197A CN 110259092 B CN110259092 B CN 110259092B
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CN
China
Prior art keywords
wall
groove
plate
cavity
transverse moving
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CN201910357197.7A
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Chinese (zh)
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CN110259092A (en
Inventor
帅国玉
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Guangzhou Henglong Construction Engineering Co., Ltd
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Guangzhou Henglong Construction Engineering Co Ltd
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Priority to CN201910357197.7A priority Critical patent/CN110259092B/en
Publication of CN110259092A publication Critical patent/CN110259092A/en
Priority to GBGB1916860.8A priority patent/GB201916860D0/en
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Publication of CN110259092B publication Critical patent/CN110259092B/en
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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
    • 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
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • E04G21/3276—Arrangements on buildings for connecting safety-lines
    • 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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • 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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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Emergency Lowering Means (AREA)

Abstract

The invention discloses a safe aerial working transverse moving frame which comprises a cross beam, wherein a transverse moving groove with an upward opening and a backward opening is arranged in the cross beam, an electromagnetic slider and a transverse moving frame are slidably arranged in the transverse moving groove, a fixed rotating shaft is rotatably connected between the left inner wall and the right inner wall of the transverse moving groove, the fixed rotating shaft is connected to the transverse moving frame through a spline, a screw rod which is rotatably connected between the left inner wall and the right inner wall of the transverse moving groove is arranged on the front side of the fixed rotating shaft, a motor is fixedly arranged in the left inner wall of the transverse moving groove, and the left end of the screw rod is in power connection with the motor.

Description

Safe high-altitude operation cross sliding frame
Technical Field
The invention relates to the field of labor protection articles, in particular to a safe aerial work transverse moving frame.
Background
Workers in a construction site can perform overhead operation sometimes and walk on the support in a moving mode, safety is guaranteed only by tying a safety belt to the waist, high potential safety hazards exist, safety guarantee is low, the workers can walk along the support intelligently, the working range is limited, and at present, no overhead operation device with high safety exists.
Disclosure of Invention
The invention aims to provide a safe aerial work transverse moving frame, which can solve the problems in the prior art.
The invention is realized by the following technical scheme: the invention relates to a safe aerial working transverse moving frame, which comprises a cross beam, wherein a transverse moving groove with an upward opening and a backward opening is arranged in the cross beam, an electromagnetic slider and a transverse moving frame are slidably arranged in the transverse moving groove, a fixed rotating shaft is rotatably connected between the left inner wall and the right inner wall of the transverse moving groove, the fixed rotating shaft is connected to the transverse moving frame through a spline, a screw rod which is rotatably connected between the left inner wall and the right inner wall of the transverse moving groove is arranged on the front side of the fixed rotating shaft, a motor is fixedly arranged in the left inner wall of the transverse moving groove, the left end of the screw rod is connected to the motor in a power mode, an upper thread groove which is communicated from left to right and has a downward opening is arranged in the transverse moving frame, a lower thread groove which is communicated from left to right and has an upward opening is arranged in the electromagnetic slider, the screw rod is connected to the upper thread groove and the, a supporting device is connected between the transverse moving frame and the cross beam, the supporting device comprises a connecting groove with a downward opening and arranged in the transverse moving frame, a piston rod is hinged on the inner wall of the upper side of the connecting groove, a groove is arranged in the inner wall of the lower side of the transverse moving frame in a communicating manner, a rotating plate is rotatably connected between the left inner wall and the right inner wall of the groove, a sealing cavity is arranged in the rotating plate, the lower end of the piston rod extends into the sealing cavity, the transverse moving frame drives the piston rod to slide in the sealing cavity when rotating, so that the air pressure in the sealing cavity is reduced, the transverse moving frame is prevented from rotating too fast, a handrail is fixedly connected to the upper end of the transverse moving frame, a safety device is arranged in the handrail, the safety device comprises a sliding cavity which is arranged in the handrail in a bilaterally symmetrical manner and has an upward opening, and an electromagnetic switch is fixedly arranged, a button sliding block is arranged on the upper side of the electromagnetic switch in a sliding way, the button sliding block is manually pressed down and is in contact with the electromagnetic switch to control the device to operate, the upper end of the transverse moving frame is fixedly connected with two pairs of fixed plates which are symmetrical left and right, each pair of fixed plates is symmetrical front and back, a clamping device is connected between the front fixed plate and the back fixed plate, the clamping device comprises a rear telescopic cavity which is arranged in the fixed plate at the rear side with a forward opening, a rear clamping plate is arranged in the rear telescopic cavity in a sliding manner, a rear clamping groove with a forward opening is arranged in the rear clamping plate, a front clamping plate is arranged in the fixing plate at the front side in a sliding manner, a front clamping groove with a backward opening is arranged in the front clamping plate, a shoe bottom plate is slidably arranged between the front clamping groove and the rear clamping groove, the upper end of the shoe bottom plate is fixedly connected with a special shoe, and a worker wears the special shoe, the sole plate and the special shoe can be fixed through the front clamping groove and the rear clamping groove.
Further technical scheme, both ends about the rotor plate with link firmly the electromagnetism torsional spring between the inner wall about the recess, electromagnetism torsional spring electric connection in electromagnetic switch, when arbitrary one side the button slider with during the electromagnetic switch contact, it is right simultaneously the electromagnetism torsional spring circular telegram and with its locking, and then the electromagnetism torsional spring can prevent the rotor plate continues to rotate, and then prevents the sideslip frame continues to rotate the slope, when both sides the button slider simultaneously with during the electromagnetic switch contact, the electromagnetism torsional spring reversal drives the sideslip frame reversal.
In a further technical scheme, the safety device also comprises a reset cavity which is communicated and arranged in the inner walls of the left side and the right side of the sliding cavity, a reset sliding block is arranged in the reset cavity in a sliding way, a reset spring is fixedly connected between the lower end of the reset sliding block and the inner wall of the lower side of the reset cavity, the reset cavity is fixedly connected with the button sliding block, when the button sliding block is released by hand, the reset cavity is driven to slide under the action of the elastic force of the reset spring, so as to drive the button slide block to be separated from the contact with the electromagnetic switch, a containing cavity with a forward opening is arranged between the slide cavities at the two sides, a torsion shaft is rotatably connected between the left inner wall and the right inner wall of the containing cavity, a safety belt is wound on the torsion shaft, and a tightening torsion spring is fixedly connected between the circumferential surface of the torsion shaft and the inner walls of the left side and the right side of the containing cavity, and a worker can tie the safety belt between the waist.
Further technical scheme, clamping device still includes that the opening is preceding locate the front side manual chamber in the fixed plate, it is connected with the fulcrum axle to rotate between the inner wall about the manual chamber, manual board has been linked firmly on the fulcrum axle, manual board lower extreme articulate in preceding grip block, manual board rear end with strong spring has been linked firmly between the manual chamber rear side inner wall, back grip block rear end with back centre gripping spring has been linked firmly between the flexible chamber rear side inner wall in back.
Further technical scheme, be equipped with the locating hole that the opening is decurrent in the sole board, just in the sideslip frame to the locating hole is equipped with the ascending spring chamber of opening, spring chamber slidable is equipped with the locating lever, the locating lever lower extreme with link firmly expanding spring between the spring chamber downside inner wall, locating lever upper end slidable goes into fix a position in the locating hole, guarantees both ends can stretch into around the sole board preceding centre gripping groove and in the back centre gripping inslot.
The invention has the beneficial effects that: the invention has simple structure and convenient operation, and workers can wear specially-made shoes to fixedly stand on the transverse moving frame, thereby improving the safety, manually controlling the moving direction and the inclination angle of the transverse moving frame and enlarging the working range.
Drawings
FIG. 1 is a schematic view of the internal structure of a safe aerial work traversing carriage according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" in FIG. 1;
FIG. 3 is an enlarged schematic view of "B" in FIG. 1;
FIG. 4 is an enlarged schematic view of "C" in FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "D-D" in FIG. 2;
FIG. 6 is a schematic view of the structure in the direction "E-E" in FIG. 3;
FIG. 7 is a schematic view of the structure in the direction "F-F" in FIG. 4.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, for convenience of description, the following orientations will now be defined: the up-down, front-back, left-right directions described below correspond to the up-down, front-back, left-right directions in the projection relation of fig. 1 itself.
Referring to fig. 1-7, the safe aerial work traverse frame according to the present invention comprises a cross beam 13, a traverse groove 16 with an upward opening and a backward opening is arranged in the cross beam 13, an electromagnetic slider 14 and a traverse frame 15 are slidably arranged in the traverse groove 16, a fixed rotating shaft 17 is rotatably connected between left and right inner walls of the traverse groove 16, the fixed rotating shaft 17 is splined to the traverse frame 15, a screw 12 rotatably connected between left and right inner walls of the traverse groove 16 is arranged at the front side of the fixed rotating shaft 17, a motor 11 is fixedly arranged in the left inner wall of the traverse groove 16, the left end of the screw 12 is dynamically connected to the motor 11, an upper thread groove 19 with a downward opening is arranged in the traverse frame 15, a lower thread groove 20 with a upward opening is arranged in the electromagnetic slider 14, the screw 12 is in threaded connection with the upper thread groove 19 and the lower thread groove 20, when the electromagnetic sliding block 14 is powered on, the transverse moving frame 15 can be adsorbed, the transverse moving frame 15 is prevented from rotating around the fixed rotating shaft 17, the supporting device 100 is connected between the transverse moving frame 15 and the cross beam 13, the supporting device 100 comprises a connecting groove 25 with a downward opening and arranged in the transverse moving frame 15, a piston rod 23 is hinged on the inner wall of the upper side of the connecting groove 25, a groove 22 is formed in the inner wall of the lower side of the transverse moving groove 16 in a communicating manner, a rotating plate 21 is rotatably connected between the left inner wall and the right inner wall of the groove 22, a sealing cavity 24 is arranged in the rotating plate 21, the lower end of the piston rod 23 extends into the sealing cavity 24, the transverse moving frame 15 drives the piston rod 23 to slide in the sealing cavity 24 when rotating, so that the air pressure in the sealing cavity 24 is reduced, the transverse moving frame 15 is prevented from rotating too fast, the upper end of the transverse moving frame 15 is fixedly connected with a hand lever 18, a safety device 102 is arranged in the handrail 18, the safety device 102 comprises a sliding cavity 53 which is arranged in the handrail 18 and has a bilateral symmetry and an upward opening, an electromagnetic switch 33 is fixedly arranged in the inner wall of the lower side of the sliding cavity 53, a button slider 36 is slidably arranged on the upper side of the electromagnetic switch 33, the device operation is controlled by manually pressing the button slider 36 and contacting the electromagnetic switch 33, the upper end of the traversing frame 15 is fixedly connected with two pairs of fixed plates 26 which are bilateral symmetry, each pair of fixed plates 26 is front-back symmetrical, a clamping device 101 is connected between the front fixed plate 26 and the rear fixed plate 26, the clamping device 101 comprises a rear telescopic cavity 39 which is arranged in the fixed plate 26 and has a forward opening, a rear clamping plate 27 is slidably arranged in the rear telescopic cavity 39, a rear clamping groove 28 which has a forward opening is arranged in the rear clamping plate 27, and a front clamping plate 48 is slidably arranged in the fixed plate 26 at the front side, a front clamping groove 47 with a backward opening is formed in the front clamping plate 48, a sole plate 45 is slidably arranged between the front clamping groove 47 and the rear clamping groove 28, a special shoe 46 is fixedly connected to the upper end of the sole plate 45, a worker wears the special shoe 46, and the sole plate 45 and the special shoe 46 can be fixed through the front clamping groove 47 and the rear clamping groove 28.
Beneficially, the electromagnetic torsion spring 38 is fixedly connected between the left end and the right end of the rotating plate 21 and the left inner wall and the right end of the groove 22, the electromagnetic torsion spring 38 is electrically connected to the electromagnetic switch 33, when the button sliding blocks 36 on any side are in contact with the electromagnetic switch 33, the electromagnetic torsion spring 38 is electrified and locked, and then the electromagnetic torsion spring 38 can prevent the rotating plate 21 from continuing to rotate, so as to prevent the transverse moving frame 15 from continuing to rotate and incline, and when the button sliding blocks 36 on both sides are in contact with the electromagnetic switch 33, the electromagnetic torsion spring 38 rotates reversely and drives the transverse moving frame 15 to rotate reversely.
Beneficially, the safety device 102 further includes a reset cavity 35 disposed in the inner walls of the left and right sides of the sliding cavity 53 and communicated with each other, a reset slider 37 is slidably disposed in the reset cavity 35, a reset spring 34 is fixedly connected between the lower end of the reset slider 37 and the inner wall of the lower side of the reset cavity 35, the reset cavity 35 is fixedly connected to the button slider 36, when the button slider 36 is released by hand, the reset cavity 35 is driven to slide under the elastic force of the reset spring 34, thereby driving the button slider 36 to be separated from the contact with the electromagnetic switch 33, a receiving cavity 29 with a forward opening is disposed between the sliding cavities 53 on both sides, a torsion shaft 32 is rotatably connected between the left and right inner walls of the receiving cavity 29, a safety belt 31 is wound on the torsion shaft 32, and a tightening torsion spring 30 is fixedly connected between the peripheral surface of the torsion shaft 32 and the inner walls on both sides of the receiving cavity 29, the worker can fasten the harness 31 to the waist.
Beneficially, clamping device 101 still includes the preceding manual chamber 52 of locating in fixed plate 26 of front side of opening, it is connected with fulcrum shaft 49 to rotate between the inner wall about manual chamber 52, manual board 50 has been linked firmly on fulcrum shaft 49, manual board 50 lower extreme articulates in preceding grip block 48, manual board 50 rear end with link firmly strong spring 51 between the inner wall of manual chamber 52 rear side, link firmly back grip spring 40 between back grip block 27 rear end and the back flexible chamber 39 rear side inner wall.
Beneficially, a positioning hole 44 with a downward opening is formed in the sole plate 45, a spring cavity 43 with an upward opening is formed in the cross sliding frame 15 opposite to the positioning hole 44, a positioning rod 41 is slidably arranged in the spring cavity 43, a telescopic spring 42 is fixedly connected between the lower end of the positioning rod 41 and the inner wall of the lower side of the spring cavity 43, the upper end of the positioning rod 41 can slide into the positioning hole 44 for positioning, and it is ensured that the front end and the rear end of the sole plate 45 can extend into the front clamping groove 47 and the rear clamping groove 28.
When the shoe is used, the cross beam 13 is erected between supports in the air, a worker wears a special shoe 46, a sole plate 45 extends into a space between the rear clamping groove 28 and the front clamping groove 47, the positioning hole 44 is aligned with the positioning rod 41 and pushes the positioning rod 41 to slide downwards to compress the telescopic spring 42, meanwhile, the rear end of the sole plate 45 is clamped through the rear clamping plate 27 under the elastic force of the rear clamping spring 40, the hand moving plate 50 is pushed to rotate under the elastic force of the strong spring 51, the front clamping plate 48 is dragged to slide and clamp the front end of the sole plate 45, meanwhile, the worker ties the safety belt 31 between the waist, holds the hand supporting rod 18, the motor 11 is started and the electromagnetic slider 14 is electrified, the electromagnetic slider 14 is driven to slide with the transverse moving frame 15 through the screw 12, the worker can be driven to transversely move the worker, when the transverse moving frame 15 needs to be inclined, the motor 11 is stopped, the electromagnetic slider 14 is powered off, and the worker can tilt backwards and drive the transverse moving frame 15 to rotate, the button sliders 36 on any side are pressed down and are in contact with the electromagnetic switch 33, the electromagnetic torsion spring 38 is electrified and locked, the electromagnetic torsion spring 38 can prevent the rotating plate 21 from continuously rotating and further prevent the transverse moving frame 15 from continuously rotating and inclining, when the button sliders 36 on the two sides are in contact with the electromagnetic switch 33 at the same time, the electromagnetic torsion spring 38 rotates reversely and drives the transverse moving frame 15 to rotate reversely, when the sole plate 45 needs to be separated from the clamping device 101, the manual plate 50 is manually pushed, the front clamping plate 48 is driven to slide, the front end of the sole plate 45 is separated from the front clamping groove 47, and the sole plate 45 and the special shoe 46 can be taken out.
The beneficial effects are that: the invention has simple structure and convenient operation, and workers can wear specially-made shoes to fixedly stand on the transverse moving frame, thereby improving the safety, manually controlling the moving direction and the inclination angle of the transverse moving frame and enlarging the working range.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims (4)

1. A safe aerial working traverse frame comprises a cross beam, a traverse groove with an upward opening and a backward opening is arranged in the cross beam, an electromagnetic slider and a traverse frame are slidably arranged in the traverse groove, a fixed rotating shaft is rotatably connected between the left inner wall and the right inner wall of the traverse groove, the fixed rotating shaft is connected to the traverse frame through splines, a screw rotatably connected between the inner walls of the left side and the right side of the traverse groove is arranged on the front side of the fixed rotating shaft, a motor is fixedly arranged in the inner wall of the left side of the traverse groove, the left end of the screw is connected to the motor in a power mode, an upper thread groove which is communicated with the left side and the right side and has a downward opening is arranged in the traverse frame, a lower thread groove which is communicated with the left side and the right side and has an upward opening is arranged in the electromagnetic slider, the screw is connected to the upper thread groove and the lower thread groove in a threaded mode, a supporting, a piston rod is hinged on the inner wall of the upper side of the connecting groove, grooves are arranged in the inner wall of the lower side of the transverse moving groove in a communicated manner, a rotating plate is rotatably connected between the left inner wall and the right inner wall of each groove, a sealing cavity is arranged in the rotating plate, the lower end of the piston rod extends into the sealing cavity, a handrail is fixedly connected to the upper end of the transverse moving frame, a safety device is arranged in the handrail, the safety device comprises sliding cavities which are arranged in the handrail in a bilateral symmetry manner and have upward openings, an electromagnetic switch is fixedly arranged in the inner wall of the lower side of the sliding cavity, a button sliding block is slidably arranged on the upper side of the electromagnetic switch, two pairs of fixing plates which are in bilateral symmetry are fixedly connected to the upper end of the transverse moving frame, each pair of the fixing plates are in front-back symmetry, a clamping device is, a rear clamping plate is slidably arranged in the rear telescopic cavity, a rear clamping groove with a forward opening is formed in the rear clamping plate, a front clamping plate is slidably arranged in the fixed plate on the front side, a front clamping groove with a backward opening is formed in the front clamping plate, a shoe sole plate is slidably arranged between the front clamping groove and the rear clamping groove, and a specially-made shoe is fixedly connected to the upper end of the shoe sole plate;
and electromagnetic torsion springs are fixedly connected between the left end and the right end of the rotating plate and the left inner wall and the right inner wall of the groove and are electrically connected with the electromagnetic switch.
2. A safe aerial work traversing carriage as defined in claim 1, wherein: safety device is still including being linked together locate the chamber that resets in the chamber left and right sides inner wall slides, the intracavity slidable that resets is equipped with the slider that resets, reset the slider lower extreme with reset and link firmly reset spring between the chamber downside inner wall, the chamber that resets link firmly in button slider, both sides be equipped with the forward chamber of accomodating of opening between the sliding chamber, it is connected with the torsion shaft to rotate between the chamber left and right sides inner wall to accomodate, it has the safety belt to coil on the torsion shaft, the torsion shaft global with accomodate and link firmly between the chamber left and right sides inner wall and tighten up the torsional spring.
3. A safe aerial work traversing carriage as defined in claim 1, wherein: the clamping device further comprises a manual cavity arranged on the front side with a forward opening and in the fixed plate, a fulcrum shaft is rotatably connected between the left inner wall and the right inner wall of the manual cavity, a manual plate is fixedly connected onto the fulcrum shaft, the lower end of the manual plate is hinged to the front clamping plate, a strong spring is fixedly connected between the rear end of the manual plate and the inner wall of the rear side of the manual cavity, and a rear clamping spring is fixedly connected between the rear end of the rear clamping plate and the inner wall of the rear side of the rear telescopic cavity.
4. A safe aerial work traversing carriage as defined in claim 1, wherein: the sole plate is internally provided with a positioning hole with a downward opening, the transverse moving frame is internally provided with a spring cavity with an upward opening opposite to the positioning hole, a positioning rod is slidably arranged in the spring cavity, and a telescopic spring is fixedly connected between the lower end of the positioning rod and the inner wall of the lower side of the spring cavity.
CN201910357197.7A 2019-04-29 2019-04-29 Safe high-altitude operation cross sliding frame Active CN110259092B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910357197.7A CN110259092B (en) 2019-04-29 2019-04-29 Safe high-altitude operation cross sliding frame
GBGB1916860.8A GB201916860D0 (en) 2019-04-29 2019-11-20 A safe aerial work traverse frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910357197.7A CN110259092B (en) 2019-04-29 2019-04-29 Safe high-altitude operation cross sliding frame

Publications (2)

Publication Number Publication Date
CN110259092A CN110259092A (en) 2019-09-20
CN110259092B true CN110259092B (en) 2020-05-22

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CN201910357197.7A Active CN110259092B (en) 2019-04-29 2019-04-29 Safe high-altitude operation cross sliding frame

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GB (1) GB201916860D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111550026B (en) * 2020-05-14 2021-09-28 沈鹤鸣 Housing construction sliding bracket with good safety performance

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7406574A (en) * 1973-05-16 1974-11-19
JPS61140037U (en) * 1985-02-19 1986-08-30
CN104989094A (en) * 2015-07-06 2015-10-21 上海中建八局装饰有限责任公司 Walking hanging basket and installing method of walking hanging basket
CN107724659A (en) * 2017-10-19 2018-02-23 孙启成 One kind can transverse shifting stable type building hanging basket
CN108442680A (en) * 2018-04-17 2018-08-24 佘峰 A kind of construction guardrail

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7406574A (en) * 1973-05-16 1974-11-19
JPS61140037U (en) * 1985-02-19 1986-08-30
CN104989094A (en) * 2015-07-06 2015-10-21 上海中建八局装饰有限责任公司 Walking hanging basket and installing method of walking hanging basket
CN107724659A (en) * 2017-10-19 2018-02-23 孙启成 One kind can transverse shifting stable type building hanging basket
CN108442680A (en) * 2018-04-17 2018-08-24 佘峰 A kind of construction guardrail

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Publication number Publication date
CN110259092A (en) 2019-09-20
GB201916860D0 (en) 2020-01-01

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