阅读说明：本技术 一种脚手架搭设期间用生命线装置 (Use lifeline device during scaffold frame is set up ) 是由 姜洋 鹿松 王金海 秦锋 李来新 陈伟星 安文斌 陈诗瑶 于 2021-07-22 设计创作，主要内容包括：本发明提供一种脚手架搭设期间用生命线装置,属于安全防护装置技术领域。该生命线装置连接于脚手架杆上,包括主体板件、与主体板件连接的若干个防坠器、与主体板件连接并用以夹持固定在所述脚手架杆上的夹持组件,主体板件上连接有钢丝绳控制部。本发明设有防坠器,防坠器中设有主体齿轮和止动卡齿,通过止动卡齿使得主体齿轮只能朝一个方向单向转动,进而使得橡胶滚轮一只能朝一个方向单向转动,便于操作人员由下至上推动装置至安装位置处,防止高空作业带来的次生危险,不仅使得生命线起到防坠落功能,又能够简化安装生命线装置的操作。(The invention provides a life line device used during scaffold erection, and belongs to the technical field of safety protection devices. The life line device is connected to the scaffold rod and comprises a main body plate, a plurality of falling protectors connected with the main body plate and a clamping assembly connected with the main body plate and used for clamping and fixing the falling protectors on the scaffold rod, wherein a steel wire rope control part is connected to the main body plate. The safety hook is provided with the safety hook, the main gear and the stop latch are arranged in the safety hook, the main gear can only rotate in one direction through the stop latch, and then the rubber roller can only rotate in one direction, so that an operator can conveniently push the device to an installation position from bottom to top, secondary danger caused by high-altitude operation is prevented, the lifeline has a safety hook preventing function, and the operation of installing the lifeline device can be simplified.)

1. The utility model provides a use life line device during scaffold frame is set up, connects on scaffold frame pole (700), its characterized in that: the safety catch comprises a main body plate (500), a plurality of safety catches (100) connected with the main body plate (500), and a clamping assembly connected with the main body plate (500) and used for clamping and fixing the safety catch on the scaffold rod (700), wherein a steel wire rope control part (400) is connected to the main body plate (500);

the falling protector (100) comprises a falling prevention plate (110) fixed with the main body plate (500), a main body gear (120) rotatably connected with the falling prevention plate (110), a stop latch (130) rotatably connected with the falling prevention plate (110), a reset spring (140) with one end connected with the top of the stop latch (130) and the other end connected with the falling prevention plate (110), and a roller I (160) connected with the main body gear (120) through a rotating shaft (121) and used for supporting on the surface of the scaffold rod (700) when a clamping component is fixed on the scaffold rod (700), one end of the stopper latch (130) is located in the tooth groove of the body gear (120), the main body gear (120) can only rotate in one direction through the stop latch (130), and therefore the first roller (160) can only rotate in one direction.

2. A lifeline arrangement for use during scaffolding as claimed in claim 1, wherein: the top rigid coupling of locking latch (130) has telescopic link (150), telescopic link (150) keep away from the one end of locking latch (130) with prevent weighing down the board (110) articulated, reset spring (140) cover is located on the periphery of telescopic link (150).

3. A lifeline arrangement for use during scaffolding as claimed in claim 1, wherein: the clamping assembly comprises a left fixed arm piece (200) and a right fixed arm piece (300), wherein the left fixed arm piece (200) is connected with the right fixed arm piece (300) through a screw rod so as to clamp and fix the main body plate (500) on the scaffold rod (700).

4. A lifeline arrangement for use during scaffolding as claimed in claim 1, wherein: the steel wire rope control part (400) is provided with a connecting shaft (410) used for adjusting the length of the steel wire rope, and the connecting shaft (410) is rotatably connected with the main body plate (500).

5. A lifeline arrangement for use during scaffolding as claimed in claim 1, wherein: the main part plate (500) include with left fixed rod (210) articulated left fixed plate (510), with right fixed rod (310) articulated right fixed plate (520), be equipped with on left fixed plate (510) be used for with left fixed rod (210) articulated left otic placode (511), be equipped with on right fixed plate (520) be used for with right fixed rod (310) articulated right otic placode (521), the upper and lower both ends of left fixed plate (510) are equipped with connecting hole (512) of being connected with connecting axle (410), the middle part of left fixed plate (510) be equipped with right fixed plate (520) pass through cross plate (513) of screw connection.

6. A lifeline arrangement for use during scaffolding as claimed in claim 1, wherein: a first fixing table (170) is fixedly arranged on the anti-falling plate (110), and a rubber pad (171) used for buffering the extrusion force between the stop latch (130) and the first fixing table (170) is arranged on the upper surface of the first fixing table (170).

7. A lifeline arrangement for use during scaffolding as claimed in claim 6, wherein: and a second fixing table (180) is arranged on the anti-falling plate (110), and the second fixing table (180) is hinged with the telescopic rod (150) through a pin shaft.

8. A lifeline arrangement for use during scaffolding as claimed in claim 7, wherein: the anti-falling plate (110) is fixedly provided with a cover plate (190) used for protecting an internal structure, and the cover plate (190) is provided with a first fixing groove (191) for the first fixing table (170) to be clamped in and a second fixing groove (192) for the second fixing table (180) to be clamped in.

9. A lifeline arrangement for use during scaffolding as claimed in claim 8, wherein: the cover plate (190) is provided with a visual hole (193) for observing the use states of the telescopic rod (150) and the return spring (140).

10. A lifeline arrangement for use during scaffolding as claimed in claim 5, wherein: the bottom of the left fixing plate (510) and the bottom of the right fixing plate (520) are fixedly connected with a push plate (600).

Technical Field

The invention relates to the technical field of safety protection devices, in particular to a life line device used during scaffold erection.

Background

The scaffold is a working platform which is erected for ensuring that each construction process is smoothly carried out, and is used in a large amount in engineering construction processes of civil buildings, industrial buildings and the like. In order to ensure the personal safety of the initial working personnel, the anti-falling life line device is required to be arranged on the scaffold rod. Because the position height of lifeline fixed mounting is higher, the operation personnel need stand and set up at the high platform edge that has certain height, has increased operation personnel's danger.

For ensureing operation personnel life safety, chinese utility model patent CN210134661U provides a device for steel pipe scaffold life rope is fixed, including branch, the main rope body and gap bridge pendant, the outside surface mounting of branch has both ends fixing fastener, and both ends fixing fastener's left side is provided with the euphroe, settle in the left side of euphroe has safe string to buckle, and the below of hanging the knot safely is connected with the anticreep rope, the left side of the main rope body is fixed with middle node fastener, the right side of gap bridge pendant is connected with the fixture block, the inside of middle node fastener is provided with the constant head tank. The above patents have the following drawbacks: the device still needs the operation personnel to stand at the high platform edge with certain height and sets up, has increased operation personnel's danger.

Disclosure of Invention

The invention aims to provide a lifeline device which does not need to be installed high above the ground, prevents secondary danger caused by high-altitude operation, simplifies the operation of installing the lifeline device and enables the lifeline to play a role in preventing falling.

The invention provides a life line device used during scaffold erection, which is connected to a scaffold rod and comprises a main body plate, a plurality of falling protectors connected with the main body plate, and a clamping assembly connected with the main body plate and used for clamping and fixing the falling protectors on the scaffold rod, wherein a steel wire rope control part is connected to the main body plate;

the safety hook include with the fixed board of preventing weighing down of main part plate, with prevent weighing down the board and rotate the main part gear of connecting, rotate connect in prevent weighing down locking latch, one end on the board with the top of locking latch is connected and the other end with prevent weighing down the reset spring that the board is connected, with main part gear has through the rotation axis connection and is used for supporting when the centre gripping subassembly is fixed on scaffold pole one of surface gyro wheel, the one end of locking latch is located in the tooth's socket of main part gear, through the locking latch makes main part gear can only be towards one direction unidirectional rotation, and then makes a gyro wheel can only be towards one direction unidirectional rotation.

Furthermore, a telescopic rod is fixedly connected to the top of the locking latch, one end, far away from the locking latch, of the telescopic rod is hinged to the anti-falling plate, and the reset spring is sleeved on the circumferential surface of the telescopic rod.

Furthermore, the clamping assembly comprises a left fixed arm piece and a right fixed arm piece, and the left fixed arm piece and the right fixed arm piece are connected through a screw rod and used for clamping and fixing the main body plate on the scaffold rod.

Furthermore, the steel wire rope control part is provided with a connecting shaft for adjusting the length of the steel wire rope, and the connecting shaft is rotatably connected with the main body plate.

Furthermore, state the main part plate include with left side dead lever articulated left fixed plate, with right side dead lever articulated right fixed plate, be equipped with on the left side fixed plate be used for with left side dead lever articulated left otic placode, be equipped with on the right side fixed plate be used for with right side dead lever articulated right otic placode, the upper and lower both ends of left side fixed plate are equipped with the connecting hole I with the connecting shaft, the middle part of left side fixed plate be equipped with right fixed plate passes through the diaphragm of screw connection.

Furthermore, a first fixing table is fixedly arranged on the anti-falling plate, and a rubber pad used for buffering the extrusion force between the locking latch and the first fixing table is arranged on the upper surface of the first fixing table.

Furthermore, the anti-falling plate is provided with a second fixing table, and the second fixing table is hinged with the telescopic rod through a pin shaft.

Furthermore, prevent weighing down and set firmly the apron that is used for protecting inner structure on the board, be equipped with the confession on the apron the fixed slot one that the fixed station one card was gone into and the confession the fixed slot two that the fixed station two card was gone into.

Furthermore, the cover plate is provided with a visual hole for observing the using states of the telescopic rod and the reset spring.

Furthermore, the bottom rigid coupling of left fixed plate and right fixed plate has the push pedal.

The lifeline device used during the scaffold erection period has the following beneficial effects:

1. the anti-falling device is provided with the anti-falling device, the main gear and the stop latch are arranged in the anti-falling device, when the device is subjected to an upward force, the roller rotates to drive the main gear to rotate clockwise, the stop latch is subjected to the thrust of the gear teeth of the main gear to rotate, the length of the telescopic rod is shortened, and the part, positioned in the gear tooth groove of the main gear, of the stop latch cannot block the clockwise rotation of the main gear; when the device receives decurrent power, the gyro wheel rotates, drive main part gear anticlockwise rotation, because the length of telescopic link can not extend, the telescopic link produces the pulling force to the locking latch, the locking latch receives the thrust of the teeth of a cogwheel of main part gear can not take place to rotate, the part that the locking latch is located main part gear tooth's socket can hinder main part gear clockwise rotation, make main part gear can only be towards one direction unidirectional rotation through the locking latch, and then make the gyro wheel one can only be towards one direction unidirectional rotation, be convenient for operating personnel by supreme thrust unit to mounted position department down, prevent the secondary danger that high altitude construction brought, not only make the lifeline play the function of preventing falling, can simplify the operation of installation lifeline device again.

2. The anti-falling device is provided with a left fixed arm piece and a right fixed arm piece, wherein the left fixed arm piece is provided with a second roller and a third roller, the right fixed arm piece is provided with a fourth roller, the anti-falling device is provided with the first roller, the four rollers are respectively positioned in the front, the back, the left and the right directions of a scaffold rod, the four rollers are abutted to the scaffold rod and roll on the outer surface of the scaffold rod, and the whole device can conveniently move upwards under the action of external force.

3. The steel wire rope adjusting device is provided with a steel wire rope control part, a rotating shaft and a limiting plate for limiting the rotation of a connecting shaft are arranged in the steel wire rope control part, a connecting column is fixedly connected to the outer circumference of a steel wire rope, the steel wire rope is wound on the connecting column, when the length of the steel wire rope needs to be adjusted, the steel wire rope is stretched, the rotating shaft rotates until the steel wire rope extends to a proper length, the limiting plate is pressed in a turnover mode and is tightly attached to a left fixing plate, the steel wire rope is stretched continuously due to the blocking of the left fixing plate, the rotating shaft cannot rotate continuously, and the purpose of adjusting the steel wire rope is achieved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of a lifeline device used during scaffold erection according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the falling protector according to the embodiment of the invention.

Fig. 3 is a schematic structural diagram of a left fixing arm according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a right fixing arm according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of a wire rope control unit according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a left fixing plate according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a right fixing plate according to an embodiment of the present invention.

Fig. 8 is an assembly view of a lifeline assembly and a scaffolding rod during scaffolding according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a push rod according to an embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a cover plate according to an embodiment of the present invention.

In the figure, 100, a safety catch; 110. an anti-falling plate; 120. a main body gear; 121. a rotating shaft; 130. a stop latch; 140. a return spring; 150. a telescopic rod; 160. a first roller; 170. a first fixed table; 171. a rubber pad; 180. a second fixed table; 190. a cover plate; 191. a first fixing groove; 192. a second fixing groove; 193. a visual aperture; 194. a first boss; 195. a second boss; 200. a left fixed arm; 210. a left fixed link; 220. a second roller; 230. a third roller; 240. a first connecting block; 241. a first fixing hole; 250. a pressure lever; 251. connecting a hole III; 300. a right fixed arm; 310. a right fixing rod; 311. mounting grooves; 312. a fourth connecting hole; 320. a fourth roller; 400. a wire rope control section; 410. a connecting shaft; 420. connecting columns; 430. locking; 440. a limiting plate; 441. fastening a nut; 500. a body panel; 510. a left fixing plate; 511. a left ear panel; 512. a first connecting hole; 513. a transverse plate; 514. a second connecting block; 515. a second fixing hole; 520. a right fixing plate; 521. a right ear plate; 522. connecting holes are formed; 523. connecting blocks III; 524. a third fixing hole; 600. pushing the plate; 700. a scaffold rod; 800. a push rod; 810. and a support plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The first embodiment is as follows: as shown in fig. 1 to 10, which are only one embodiment of the present invention, a lifeline device for use during scaffold erection includes a main body plate 500, a plurality of safety guards 100 connected to the main body plate 500, and a clamping assembly connected to the main body plate 500 and used for clamping and fixing the safety guards on the scaffold rod 700, wherein a wire rope control part 400 is connected to the main body plate 500; the anti-falling device 100 comprises an anti-falling plate 110 fixed with a main body plate 500, a main body gear 120 rotationally connected with the anti-falling plate 110, a stop latch 130 rotationally connected to the anti-falling plate 110, a return spring 140 with one end connected with the top of the stop latch 130 and the other end connected with the anti-falling plate 110, and a first roller 160 connected with the main body gear 120 through a rotating shaft 121, wherein one end of the stop latch 130 is located in a tooth groove of the main body gear 120, the main body gear 120 can only rotate in one direction through the stop latch 130, and then the first roller 160 can only rotate in one direction.

In the invention, the top of the stopping latch 130 is fixedly connected with a telescopic rod 150, one end of the telescopic rod 150 far away from the stopping latch 130 is hinged with the anti-falling plate 110, and the reset spring 140 is sleeved on the circumferential surface of the telescopic rod 150. The falling protector 100 is provided with a main gear 120 and a stop latch 130, and a first roller 160 is connected with a rotating shaft 121 through a positioning pin. Referring to fig. 2, when the device is forced upward, the roller rotates clockwise to drive the main gear 120 to rotate clockwise, the stopping latch 130 rotates under the thrust of the teeth of the main gear 120, the length of the telescopic rod 150 is shortened, then the return spring 140 returns rapidly, the stopping latch 130 returns to the original position under the action of the telescopic rod 150 and the return spring 140, and then rotates under the thrust of the teeth of the main gear 120, and so on, the part of the stopping latch 130 in the tooth grooves of the main gear 120 does not block the clockwise rotation of the main gear 120; when the device receives a downward force, the roller rotates anticlockwise to drive the main gear 120 to rotate anticlockwise, because the length of the telescopic rod 150 cannot be extended, the telescopic rod 150 generates a pulling force on the locking latch 130, the locking latch 130 cannot rotate due to the pushing force of the gear teeth of the main gear 120, the part, located in the gear teeth grooves of the main gear 120, of the locking latch 130 can block the main gear 120 to rotate clockwise, the main gear 120 can only rotate in one direction through the locking latch 130, the roller 160 can only rotate in one direction, and therefore the device is convenient for an operator to push the device to the installation position from bottom to top, secondary danger caused by high-altitude operation is prevented, the lifeline has a falling prevention function, and the operation of installing the lifeline device can be simplified.

The clamping assembly includes a left fixed arm 200 and a right fixed arm 300, and referring to fig. 3, the left fixed arm 200 includes a left fixed lever 210 hinged to a main body plate 500, a second roller 220 rotatably connected to the left fixed lever 210, and a third roller 230 rotatably connected to the left fixed lever 210. Two mounting holes for mounting the second roller 220 and the third roller 230 are formed in the left fixing rod 210, and the second roller 220 and the third roller 230 are connected with the hole walls of the mounting holes through pin shafts. The first connecting block 240 is fixedly connected to the wall of the left fixing rod 210 close to the third roller 230, and a first fixing hole 241 for connecting with a steel wire rope is formed in the first connecting block 240. One end of the left fixing rod 210 is provided with a pressing rod 250, the pressing rod 250 is provided with a connecting hole III 251 connected with the right fixing rod 310, and the pressing rod 250 is connected with the right fixing rod 310 through a screw rod.

Referring to fig. 4, the right fixed arm 300 includes a right fixed arm 310 having one end hinged to the body plate 500 and the other end hinged to the left fixed arm 200, and a roller four 320 rotatably connected to the right fixed arm 310. The right fixing rod 310 is provided with a mounting hole for mounting the fourth roller 320, and the fourth roller 320 is connected with the hole wall of the mounting hole through a pin shaft. One end of the right fixing rod 310 is provided with a mounting groove 311 for the pressure rod 250 to pass through, and two side walls of the mounting groove 311 are provided with four connecting holes 312. The first roller 160, the second roller 220, the third roller 230 and the fourth roller 320 are all provided with grooves matched with the outer circumferential surface of the scaffold rod 700.

Referring to fig. 5, the wire rope control part 400 includes a connection shaft 410 rotatably connected to the body plate 500, a connection column 420 fixedly connected to an outer circumference of the connection shaft 410 and used for winding the wire rope, a limit plate 440 is hinged to an upper end of the connection shaft 410, and a latch 430 is provided at a starting end of the wire rope. The limiting plate 440 is connected with the connecting shaft 410 through a screw, and the position of the limiting plate 440 is locked by the fastening nut 441, so that the limiting plate 440 is tightly attached to the left fixing plate 510, and the connecting shaft 410 cannot rotate due to the blocking of the left fixing plate 510. When the length of the steel wire rope needs to be adjusted, the fastening nut 441 is unscrewed, the limiting plate 440 is overturned and lifted, the steel wire rope is stretched, the rotating shaft 121 rotates until the steel wire rope extends to a proper length, the lock catch 430 of the steel wire rope penetrates through the first fixing hole 241 and is locked with the first connecting block 240, finally, the limiting plate 440 is overturned and pressed and is tightly attached to the left fixing plate 510, the fastening nut 441 is screwed, and the rotating shaft 121 is limited to rotate. One end of the steel wire rope extending out of the connecting column 420 is a starting end of the steel wire rope, a lock catch 430 is arranged at the starting end of the steel wire rope, a U-shaped hole used for being connected with the first connecting block 240 is formed in the lock catch 430, and a locking rod is hinged to the lock catch 430. The operator opens the locking rod on the lock catch 430, an opening for the first connecting block 240 to enter the U-shaped hole is formed in the lock catch 430, and after the first connecting block 240 is connected with the lock catch 430, the locking rod and the lock catch body are positioned and locked through the screw and the nut. The locking rod and the lock catch body can be positioned and locked through clamping.

Referring to fig. 6 and 7, the body panel 500 includes a left fixing plate 510 hinged to the left fixing rod 210, and a right fixing plate 520 hinged to the right fixing rod 310. The left fixing plate 510 is provided with a left ear plate 511 hinged to the left fixing rod 210, the left fixing plate 510 is connected with the left fixing rod 210 through a screw, the right fixing plate 520 is provided with a right ear plate 521 hinged to the right fixing rod 310, and the right fixing plate 520 is connected with the right fixing rod 310 through a screw. The left fixing plate 510 has a first connecting hole 512 formed at upper and lower ends thereof to connect with the connecting shaft 410. The middle of the left fixing plate 510 is provided with a horizontal plate 513 which is connected with the right fixing plate 520 through a screw, and the right fixing plate 520 is provided with a connecting hole five 522 for mounting the rotating shaft 121. The first roller 160 is located between the left fixing plate 510 and the right fixing plate 520. The left fixing plate 510 and the right fixing plate 520 are respectively provided with a second connecting block 514 and a third connecting block 523, and the second connecting block 514 and the third connecting block 523 are provided with a second fixing hole 515 and a third fixing hole 524 which are used for being connected with a steel wire rope. The steel wire rope on the adjacent life device can be connected with the first fixing hole 241 on the left fixing rod 210, and can also be connected with the second fixing hole 515 or the third fixing hole 524, so that a plurality of connection points are arranged for the steel wire rope, and the problem that the connection strength between the steel wire rope and the steel wire rope is influenced due to abrasion of the hole wall of the first fixing hole 241 caused by long-term use is avoided.

It should be noted that the bottom of the left fixing plate 510 and the right fixing plate 520 are fixedly connected with a push plate 600, and a push rod 800 for pushing the lifeline device is provided to facilitate the operator to push the lifeline device from bottom to top. Referring to fig. 9, the top end of the push rod 800 is provided with a support plate 810, and the shape of the support plate 810 is similar to that of the push plate 600.

The first fixing table 170 is arranged on the anti-falling plate 110, and a rubber pad 171 is arranged on the upper surface of the first fixing table 170. In the process that the stopping latch 130 rotates, the stopping latch 130 generates extrusion force on the upper surface of the first fixing table 170, and in order to buffer the extrusion force between the stopping latch 130 and the first fixing table 170 and avoid the abrasion of the stopping latch 130 and the first fixing table 170 due to hard contact and influence on the service life of the device, a rubber pad 171 is arranged on the upper surface of the first fixing table 170. The anti-falling plate 110 is provided with a second fixing table 180, the second fixing table 180 is provided with a second connecting hole, and the pin shaft is inserted into the second connecting hole, so that the telescopic rod 150 is connected with the second fixing table 180 through the pin shaft.

Referring to fig. 10, a cover plate 190 for protecting an internal structure is fixedly arranged on the anti-falling plate 110, a first boss 194 and a second boss 195 are arranged on the cover plate 190, a first fixing groove 191 for clamping the first fixing table 170 is arranged in the first boss 194, a second fixing groove 192 for clamping the second fixing table 180 is arranged on the second boss 195, the first fixing table 170 and the second fixing table 180 are respectively supported by the first boss 194 and the second boss 195, the supporting strength of the first fixing table 170 and the second fixing table 180 is further increased, a clamping point is provided for mounting the cover plate 190, and the threaded hole of the cover plate 190 and the threaded hole of the anti-falling plate 110 are conveniently aligned and assembled. The cover plate 190 is provided with a visual hole 193 for observing the using states of the telescopic rod 150 and the return spring 140.

An operation process with lifeline installation during scaffolding set-up: firstly, aligning the groove surface of the first roller 160 with the outer circumferential surface of the scaffold rod 700, turning and pressing the left and right fixing rods 310, aligning the groove surfaces of the second roller 220, the third roller 230 and the fourth roller 320 with the outer circumferential surface of the scaffold rod 700, connecting the pressure lever 250 in the left fixing rod 210 with the right fixing rod 310 through a screw rod, and locking the pressure lever with a fastening nut 441; then, the fastening nut 441 is unscrewed, the limiting plate 440 is overturned and lifted, the steel wire rope is stretched and connected to the first fixing hole 241 of another adjacent lifeline device, the steel wire rope is tightened to a proper length by rotating the connecting shaft 410, the limiting plate 440 is overturned and pressed and is tightly attached to the left fixing plate 510, and the fastening nut 441 is screwed; finally, the push plate 600 at the bottom of the device is pushed using the push rod 800 until the device reaches the proper position. The lifeline device and the operation process thereof avoid secondary danger caused by high-altitude operation, can simplify the operation of installing the lifeline device, and enable the lifeline to play a role in falling prevention.

The above-described aspects may be implemented individually or in various combinations, and such variations are within the scope of the present invention.

It should be noted that, in the description of the present application, it should be noted that the terms "upper end", "lower end" and "bottom end" indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of the application is usually placed in when the product of the application is used, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.