CN113952645B

CN113952645B - Safety belt hanging device for high-altitude cable line maintenance

Info

Publication number: CN113952645B
Application number: CN202111247104.9A
Authority: CN
Inventors: 张峥; 赵玉茹; 徐若驰
Original assignee: Pingyin Power Supply Co Of State Grid Shandong Electric Power Co; State Grid Corp of China SGCC
Current assignee: Pingyin Power Supply Co Of State Grid Shandong Electric Power Co; State Grid Corp of China SGCC
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-10-18
Anticipated expiration: 2041-10-26
Also published as: CN113952645A

Abstract

The invention discloses a safety belt hanging device for high-altitude cable line maintenance, which comprises a moving assembly, wherein the moving assembly comprises a fixed shell, a first gear, a rotating shaft and a supporting rod, the first gear is installed in the fixed shell through the rotating shaft, the top of the rotating shaft penetrates through the fixed shell and extends to the top of the fixed shell, the supporting rod is installed on one side of the first gear in the fixed shell, a rack is installed on the supporting rod and is matched with the first gear, a rotating assembly is installed at the bottom of the moving assembly, a buffering assembly is installed at the bottom of the rotating assembly, and a safety rope is arranged at the bottom of the buffering assembly. The moving assembly can fix the device on the support frame, and meanwhile, the device can be suitable for two cables at different distances through the mutual matching of the first gear and the support rod, and the buffering assembly can play a role in buffering, so that the safety of workers during falling is ensured.

Description

Safety belt hanging device for high-altitude cable line maintenance

Technical Field

The invention belongs to the technical field of electric power overhaul, and particularly relates to a safety belt hanging device for high-altitude cable line overhaul.

Background

At present, electric energy enters thousands of households and is an indispensable important component of life of people, however, the electric energy is transmitted through cables, and the cables have a certain service life, so that the electric energy needs to be periodically overhauled. But when overhauing the transformer, need the maintenance personal to be fastened the safety belt and go on aloft, so the maintenance personal need hang the safety belt on the cable in order to prevent the danger that falls, but do not have buffer function on the current safety belt, cause the safety belt when the maintenance personal that the rescue was fallen, realize through hard pulling force, also can cause certain injury to maintenance personal's health simultaneously, at the in-process of overhauing, maintenance personal can overhaul on the cable of difference, need hang the safety belt on the cable of difference.

The utility model discloses a through retrieval application number 202020529569.8's utility model discloses a transformer overhauls and uses safety belt linkage, including buffer gear and connecting device, two connecting rods are installed to buffer gear's one end, and the one end of one of them connecting rod is connected with buffer gear, the one end at connecting device is installed to the other end, and the one end of another connecting rod is connected with buffer gear, the other end at connecting device is installed to the other end, fixing device is all installed at connecting device's both ends. The utility model discloses buffer gear can play the buffering effect, reduces the injury to the maintenance personal, has guaranteed maintenance personal's safety, and the setting of two fixing device can guarantee that maintenance personal hangs the safety belt in the process of different cables when carrying out different cable overhauls, has at least one fixing device to fix on the cable, has guaranteed maintenance personal's safety greatly; however, the length of the connecting device in the device is not changed, and the requirement of being suitable for different distances between two cables cannot be met.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a safety belt hanging device for high-altitude cable line maintenance.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a high altitude cable conductor overhauls uses safety belt linkage, is including removing the subassembly, it includes set casing, first gear, axis of rotation, bracing piece to remove the subassembly, first gear passes through the axis of rotation and installs in the set casing, and the top of axis of rotation runs through the top that the set casing extends to the set casing, the bracing piece is installed in one side of first gear in the set casing, and installs the rack on the bracing piece, the rack cooperatees with first gear, remove the bottom of subassembly and install the runner assembly, install the buffering subassembly in the bottom of runner assembly, the bottom of buffering subassembly is equipped with safety rope.

Preferably, the removal subassembly still includes locating part, support, removal wheel, handle, the outside at the set casing in the axis of rotation is installed to the handle, the bracing piece is equipped with two, and two spinal branch vaulting pole symmetries are established in the both sides of first gear, and one of them gag lever post runs through the one end that the set casing extends to the set casing, and another gag lever post runs through the other end that the set casing extends to the set casing, locating part and bracing piece one-to-one, locating part fixed mounting are in the one end of bracing piece, the support mounting is on the locating part, remove the wheel and install on the support and cooperate with the locating part.

Preferably, the locating part includes the fixed plate, and it has first recess to open at the middle part of fixed plate, the inside of first recess is equipped with first spring and limiting plate, the limiting plate is established in first recess, the one end of first spring is installed in first recess, and the bottom at the limiting plate is installed to the other end.

Preferably, the locating part still includes gag lever post, second spring, open the lateral wall of the first recess of fixed plate has the bar through-hole, and it has the fixed slot to open on another lateral wall of first recess, the one end of gag lever post runs through in the fixed slot that the bar through-hole extended to on another lateral wall of first recess and rotates and install in the fixed slot, the gag lever post is equipped with two, and two gag lever posts set up about the central line symmetry of first recess, the both ends of second spring are installed respectively on two gag lever posts, and open at the middle part of gag lever post has the chute, the limiting plate is the cell type structure, and it has the second recess to open on the lateral wall of limiting plate, the shelves pole is installed to the bottom of second recess, the tip of shelves pole adopts the inclined plane setting and cooperatees with the chute on the gag lever post, and the locating part is used for limiting cable conductor's up-and-down motion guarantees that the cable conductor blocks on the travelling wheel all the time, realizes the fixed purpose to the cable conductor, has guaranteed the device safety of during operation, has guaranteed staff's safety.

Preferably, the runner assembly includes backup pad, protective housing, solid fixed ring, internal gear, second gear, swivel becket, fixed axle, catch bar, the top fixed mounting of protective housing is in the bottom of set casing, gu fixed ring fixed mounting is in the inside of protective housing, the internal gear sets up solid fixed ring's top and fixed mounting is on solid fixed ring, the second gear is established in the inside of internal gear and is meshed with the internal gear, the swivel becket is established in solid fixed ring's below, and swivel becket fixed mounting is in the backup pad, the one end of fixed axle is rotated and is installed in the backup pad, and other end fixed mounting is on the set casing, and the swivel becket rotation is installed on the fixed axle, the second gear rotates and installs on the swivel becket, the one end of catch bar is rotated and is installed in the edge of second gear, and the other end extends to the outside of set casing, and the runner assembly can drive the buffering subassembly as required and rotate, guarantees that the buffering subassembly can play the cushioning effect all the time.

Preferably, still install categorised collecting box, baffle in the backup pad, still opened the spacing groove in the backup pad, the edge in the bottom spacing groove of backup pad is installed to the baffle, categorised collecting box includes the box and installs the couple in box one side, the couple with the spacing groove cooperatees, and the baffle cooperatees with the couple, and categorised collecting box can temporarily save staff's instrument and the spare part that the maintenance needs, has guaranteed the safety of instrument, has lightened staff's heavy burden, has guaranteed staff's safety and has improved work efficiency, and the baffle can prevent that categorised collecting box from appearing the slope, causes instrument or spare part to drop and influences normal work.

Preferably, the buffering subassembly includes spout, mount pad, buffer board and rotates and install at buffer board both sides connecting rod, is equipped with slider and reset spring in the spout, the one end of buffer board is rotated and is installed on the slider, and it has the fixed orifices of being convenient for the rope installation to open on the other end of buffer board, reset spring's one end is installed on the inner wall of spout, and the other end is installed on the slider, one side of spout in the backup pad is installed to the mount pad, the one end of connecting rod is rotated and is installed on the mount pad, and the other end of connecting rod is rotated and is installed on the lateral wall of buffer board, and the buffering subassembly can play the effect of buffering, prevents that the safety rope from realizing when the staff tenesmus hard stopping and causing bodily injury to the staff to staff's safety has been guaranteed.

Preferably, the connecting rod is of an L-shaped structure, the number of the sliding grooves is two, and the two sliding grooves are symmetrically arranged on two sides of the buffer plate and are symmetrical about the central line of the buffer plate.

The invention has the beneficial effects that:

1) This device removes subassembly not only can fix the device on the support frame, can also pass through mutually supporting of first gear and bracing piece simultaneously for the device can be applicable to the cable conductor of two different distances, and the buffering subassembly can play the effect of buffering, guarantees the safety of staff when tenesmus.

2) This device locating part is used for restricting the up-and-down motion of cable conductor, guarantees that the cable conductor card is taken turns in the removal all the time, realizes the fixed purpose of cable conductor, has guaranteed the device safety at the during operation, has guaranteed staff's safety.

3) This device runner assembly can drive the buffering subassembly as required and rotate, guarantees that the buffering subassembly can play the cushioning effect all the time.

4) Categorised collecting box can temporarily save staff's instrument and the spare part that the maintenance needs, has guaranteed the safety of instrument, has alleviateed staff's heavy burden, has guaranteed staff's safety and has improved work efficiency, and the baffle can prevent that categorised collecting box from appearing the slope, causes instrument or spare part to drop and influences normal work

5) This device buffering subassembly can play the effect of buffering, prevents that the safety rope from realizing that rigid stop causes bodily injury to the staff when the staff tenesmus to staff's safety has been guaranteed.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the bottom structure of the present invention.

Fig. 3 is a schematic view of the structure of the rotating unit of the present invention.

Fig. 4 is a schematic view of the bottom structure of the rotating unit of the present invention.

Fig. 5 is a schematic structural view of a support plate in the present invention.

Fig. 6 is a schematic structural view of a moving assembly according to the present invention.

Fig. 7 is an exploded view of a limiter of the present invention.

Fig. 8 is an enlarged view of fig. 7 at a.

FIG. 9 is a schematic view of the structure of the sorting and collecting box of the present invention.

Fig. 10 is a schematic view of the structure of the damper mechanism of the present invention.

FIG. 11 is a schematic view of the installation structure of the baffle plate of the present invention.

Fig. 12 is a schematic diagram of the operation of the present invention.

In the figure: 1. a rotating assembly; 101. an internal gear; 102. a protective shell; 103. a fixing ring; 104. a fixed shaft; 105. a second gear; 106. a push rod; 107. a rotating ring; 108. a support plate; 109. a limiting groove; 2. a moving assembly; 201. a stationary housing; 202. a first gear; 203. a limiting member; 204. a moving wheel; 205. a support; 206. a rack; 207. a handle; 208. a support bar; 209. a limiting plate; 2010. a first groove; 2011. a fixing plate; 2012. fixing grooves; 2013. a strip-shaped through hole; 2014. a second spring; 2015. a first spring; 2016. a limiting rod; 2017. a second groove; 2018. a gear lever; 3. a classification collecting box; 301. a box body; 302. hooking; 4. a buffer assembly; 401. a mounting base; 402. a connecting rod; 403. a return spring; 404. a chute; 405. a slider; 406. a buffer plate; 407. a fixing hole; 5. a safety rope; 6. and a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 12, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The utility model provides a high altitude cable line overhauls uses safety belt linkage, is including removing subassembly 2, remove subassembly 2 including set casing 201, first gear 202, axis of rotation, bracing piece 208, first gear 202 passes through the axis of rotation and installs in set casing 201, and the top of axis of rotation runs through the top that set casing 201 extended to set casing 201, bracing piece 208 installs the one side of first gear 202 in set casing 201, and installs rack 206 on bracing piece 208, rack 206 cooperatees with first gear 202, runner assembly 1 is installed to the bottom of removing subassembly 2, installs buffering subassembly 4 in runner assembly 1's bottom, the bottom of buffering subassembly 4 is equipped with safety rope 5.

The moving assembly 2 further comprises a limiting piece 203, a support 205, a moving wheel 204 and a handle 207, the handle 207 is installed on the outer side of the fixed casing 201 on the rotating shaft, the supporting rod 208 is provided with two supporting rods 208, the two supporting rods 208 are symmetrically arranged on two sides of the first gear 202, one of the limiting rods 2016 penetrates through one end of the fixed casing 201 extending to the fixed casing 201, the other limiting rod 2016 penetrates through the other end of the fixed casing 201 extending to the fixed casing 201, the limiting piece 203 corresponds to the supporting rods 208 one by one, the limiting piece 203 is fixedly installed at one end of the supporting rod 208, the support 205 is installed on the limiting piece 203, and the moving wheel 204 is installed on the support 205 and matched with the limiting piece 203.

Wherein, the middle part of the moving wheel 204 is provided with an annular groove which is used for clamping the cable, thus ensuring the safety of the cable.

The staff rotates handle 207 as required and drives first gear 202 and rotates, first gear 202 rotates and drives two bracing pieces 208 and inwards or outside motion simultaneously, realize adjusting the distance between the removal wheel 204 of symmetry, the device can be applicable to the cable conductor of two different distances, not only can guarantee staff's safety, the staff of still being convenient for simultaneously takes and deposits the instrument, spare part, then will remove wheel 204 and place the top at the cable conductor, make the cable conductor card in removing wheel 204, open locating part 203 at last and make locating part 203 sticis the cable conductor on removing wheel 204, the realization is to the restriction of cable conductor, prevent that the cable conductor from rocking the safety that influences the device from top to bottom.

The limiting member 203 comprises a fixing plate 2011, a first groove 2010 is formed in the middle of the fixing plate 2011, a first spring 2015 and a limiting plate 209 are arranged inside the first groove 2010, the limiting plate 209 is arranged in the first groove 2010, one end of the first spring 2015 is arranged in the first groove 2010, and the other end of the first spring 2015 is arranged at the bottom of the limiting plate 209.

The limiting part 203 further comprises a limiting rod 2016 and a second spring 2014, a strip-shaped through hole 2013 is formed in the side wall of the first groove 2010 of the fixing plate 2011, a fixing groove 2012 is formed in the other side wall of the first groove 2010, one end of the limiting rod 2016 penetrates through the strip-shaped through hole 2013 and extends into the fixing groove 2012 in the other side wall of the first groove 2010 and is rotatably installed in the fixing groove 2012, the two limiting rods 2016 are symmetrically arranged on the center line of the first groove 2010, the two ends of the second spring 2014 are respectively installed on the two limiting rods 2016, a chute is formed in the middle of the limiting rods 2016, the limiting plate 209 is of a groove-shaped structure, the second groove 2017 is formed in the side wall of the limiting plate 209, the rod 2018 is installed at the bottom of the second groove 2017, the end portion of the rod 2018 is arranged on an inclined plane and matched with the chute in the limiting rod 2016, the limiting part 203 is used for limiting the up-and down movement of a cable, and is guaranteed to be always clamped on the moving wheel 204, the purpose of fixing the cable is achieved, the safety of the cable wire during working.

The locating part 203 cooperatees with removing wheel 204, presses the cable conductor on removing wheel 204, prevents that the phenomenon of rocking from top to bottom from appearing in the cable conductor, has guaranteed the device's safety.

The during operation, the staff presses the one end of gag lever post 2016 to the centre, make two gag lever posts 2016 remove to the intermediate position, under the effect of second spring 2014, limiting plate 209 has upward movement's elasticity, when gag lever post 2016 is located between two shelves pole 2018, limiting plate 209 upward movement, thereby press the cable conductor on removing the wheel 204, when needs take off the device, only need the staff to press limiting plate 209 downwards, under mutually supporting of chute on pin tip inclined plane and gag lever post 2016, in-process pressing limiting plate 209 downwards, two gag lever posts 2016 move to the centre, when gag lever post 2016 is located the pin top, gag lever post 2016 can be moved to both sides under the effect of second spring 2014, the effect of gag lever post 2016 cooperation pin, realize the restriction to limiting plate 209, prevent limiting plate 209 upward movement under the effect of first spring 2015, then remove the wheel 204 from the cable conductor and take off can.

Rotating assembly 1 includes backup pad 108, protective housing 102, solid fixed ring 103, internal gear 101, second gear 105, swivel ring 107, fixed axle 104, catch bar 106, the top fixed mounting of protective housing 102 is in the bottom of solid fixed ring 201, gu fixed ring 103 fixed mounting is in the inside of protective housing 102, internal gear 101 sets up solid fixed ring 103's top and fixed mounting on solid fixed ring 103, second gear 105 establishes in the inside of internal gear 101 and meshes with internal gear 101 mutually, swivel ring 107 establishes in the below of solid fixed ring 103, and swivel ring 107 fixed mounting is on backup pad 108, the one end of fixed axle 104 is rotated and is installed on backup pad 108, other end fixed mounting is on solid fixed ring 201, and swivel ring 107 rotates and installs on fixed axle 104, second gear 105 rotates and installs on swivel ring 107, the one end of catch bar 106 is rotated and is installed in second gear 105's edge, and the other end extends to the outside of solid fixed ring 201, and rotating assembly 1 can drive buffer assembly 4 as required and rotate, guarantees that buffer assembly 4 can play the cushioning effect all the time.

Still install categorised collecting box 3, baffle 6 on backup pad 108, still opened spacing groove 109 in backup pad 108, baffle 6 installs the edge at the bottom spacing groove 109 of backup pad 108, categorised collecting box 3 includes box 301 and installs the couple 302 in box 301 one side, couple 302 with spacing groove 109 cooperatees, and baffle 6 cooperatees with couple 302, and categorised collecting box 3 can temporarily save staff's instrument and the spare part that the maintenance needs, has guaranteed the safety of instrument, has lightened staff's heavy burden, has guaranteed staff's safety and has improved work efficiency, and baffle 6 can prevent that categorised collecting box 3 from appearing the slope, causes instrument or spare part to drop and influences normal work.

The rotating assembly 1 converts linear motion into circular motion, so that workers can rotate the supporting plate 108 and the classification collecting boxes 3 arranged on two sides of the supporting plate 108 conveniently, the workers can take and store tools and parts conveniently, and the working efficiency is improved.

During operation, the staff promotes catch bar 106 and drives second gear 105 and rotate along internal gear 101, because the fixed second gear 105 of internal gear 101 rotates and installs on swivel 107, when second gear 105 rotated along internal gear 101, swivel 107 then followed internal gear 101 and rotated, realized driving backup pad 108 pivoted purpose, made things convenient for the staff to deposit and take instrument, spare part.

Buffer unit 4 includes spout 404, mount pad 401, buffer board 406 and rotates and installs at buffer board 406 both sides connecting rod 402, is equipped with slider 405 and reset spring 403 in spout 404, the one end of buffer board 406 is rotated and is installed on slider 405, it has the fixed orifices 407 of being convenient for the rope installation to open on the other end of buffer board 406, reset spring 403's one end is installed on the inner wall of spout 404, and the other end is installed on slider 405, one side of spout 404 is installed on backup pad 108 to mount pad 401, the one end of connecting rod 402 is rotated and is installed on mount pad 401, and the other end of connecting rod 402 is rotated and is installed on the lateral wall of buffer board 406, and buffer unit 4 can play the effect of buffering, prevents that safety rope 5 from realizing hard stopping when the staff tenesmus and causing the personal injury to the staff to staff's safety has been guaranteed.

The connecting rod 402 has an L-shaped structure, and two sliding grooves 404 are provided, and the two sliding grooves 404 are symmetrically provided at two sides of the buffer plate 406 and are symmetrical with respect to a center line of the buffer plate 406.

The return spring 403 is a strong spring, and the mounting seats 401 correspond to the connecting rods 402 one to one.

The during operation, when the safety rope 5 stimulates the fixed orifices 407 of buffer board 406 one end, the one end downstream that has fixed orifices 407 is opened on the buffer board 406, thereby it moves along spout 404 to drive the other end of buffer board 406 around slider 405 pivoted while slider 405, and compression reset spring 403, the one end of connecting rod 402 rotates around mount pad 401, and can play the effect of support to buffer board 406, guarantee that buffer board 406 can rotate around the one end of connecting rod 402, guarantee the normal work of buffer board 406, realize the purpose of buffering in the time of compression reset spring 403, after waiting to work to accomplish, drive buffer board 406 under reset spring 403's effect and reset.

The foregoing is merely illustrative and explanatory of the present invention and various modifications, additions or substitutions may be made to the specific embodiments described by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A safety belt hanging device for high-altitude cable line maintenance comprises a moving assembly and is characterized in that the moving assembly comprises a fixed shell, a first gear, a rotating shaft and a supporting rod, the first gear is installed in the fixed shell through the rotating shaft, the top of the rotating shaft penetrates through the fixed shell and extends to the top of the fixed shell, the supporting rod is installed on one side of the first gear in the fixed shell, a rack is installed on the supporting rod and is matched with the first gear, a rotating assembly is installed at the bottom of the moving assembly, a buffering assembly is installed at the bottom of the rotating assembly, and a safety rope is arranged at the bottom of the buffering assembly;

the movable assembly further comprises a limiting piece, a support, a movable wheel and a handle, the handle is installed on the outer side of the fixed shell on the rotating shaft, the two supporting rods are symmetrically arranged on two sides of the first gear, one limiting rod penetrates through the fixed shell and extends to one end of the fixed shell, the other limiting rod penetrates through the fixed shell and extends to the other end of the fixed shell, the limiting piece corresponds to the supporting rods in a one-to-one mode, the limiting piece is fixedly installed on the outer side of the fixed shell at one end of the supporting rod, the support is installed on the limiting piece, and the movable wheel is installed on the support and matched with the limiting piece;

the limiting piece comprises a fixed plate, a first groove is formed in the middle of the fixed plate, a first spring and a limiting plate are arranged inside the first groove, the limiting plate is arranged in the first groove, one end of the first spring is installed in the first groove, and the other end of the first spring is installed at the bottom of the limiting plate;

the locating part still includes gag lever post, second spring, open the lateral wall of the first recess of fixed plate has the bar through-hole, and it has the fixed slot to open on another lateral wall of first recess, the one end of gag lever post runs through in the fixed slot that the bar through-hole extended to on another lateral wall of first recess and rotate and install in the fixed slot, the gag lever post is equipped with two, and two gag lever posts set up about the central line symmetry of first recess, install respectively on two gag lever posts at the both ends of second spring, and open at the middle part of gag lever post has the chute, the limiting plate is the cell type structure, and it has the second recess to open on the lateral wall of limiting plate, shelves pole is installed to the bottom of second recess, the tip of shelves pole adopt the inclined plane setting and cooperate with the chute on the gag lever post.

2. The safety belt hanging device for high-altitude cable line maintenance as claimed in claim 1, wherein the rotating assembly comprises a supporting plate, a protective shell, a fixing ring, an internal gear, a second gear, a rotating ring, a fixing shaft and a pushing rod, the top of the protective shell is fixedly mounted at the bottom of the fixing shell, the fixing ring is fixedly mounted inside the protective shell, the internal gear is arranged above the fixing ring and fixedly mounted on the fixing ring, the second gear is arranged inside the internal gear and meshed with the internal gear, the rotating ring is arranged below the fixing ring and fixedly mounted on the supporting plate, one end of the fixing shaft is rotatably mounted on the supporting plate, the other end of the fixing shaft is fixedly mounted on the fixing shell, the rotating ring is rotatably mounted on the fixing shaft, the second gear is rotatably mounted on the rotating ring, one end of the pushing rod is rotatably mounted at the edge of the second gear, and the other end of the pushing rod extends to the outer side of the fixing shell.

3. The safety belt hanging device for overhead cable line maintenance as claimed in claim 2, wherein a classification collecting box and a baffle are further mounted on the support plate, a limit groove is further formed on the support plate, the baffle is mounted at the edge of the limit groove at the bottom of the support plate, the classification collecting box comprises a box body and a hook mounted on one side of the box body, the hook is matched with the limit groove, and the baffle is matched with the hook.

4. The safety belt hanging device for overhead cable line maintenance according to claim 3, wherein the buffer assembly comprises a sliding groove, a mounting seat, a buffer plate and a connecting rod rotatably mounted on two sides of the buffer plate, a sliding block and a return spring are arranged in the sliding groove, one end of the buffer plate is rotatably mounted on the sliding block, a fixing hole convenient for rope installation is formed in the other end of the buffer plate, one end of the return spring is mounted on the inner wall of the sliding groove, the other end of the return spring is mounted on the sliding block, the mounting seat is mounted on one side of the sliding groove in the supporting plate, one end of the connecting rod is rotatably mounted on the mounting seat, and the other end of the connecting rod is rotatably mounted on the side wall of the buffer plate.

5. The safety belt hanging device for high altitude cable line maintenance of claim 4, wherein the connecting rod is of an L-shaped structure, the sliding grooves are provided in two numbers, and the two sliding grooves are symmetrically provided on two sides of the buffer plate and are symmetrical about the center line of the buffer plate.