CN113952645A

CN113952645A - Safety belt hanging device for high-altitude cable line maintenance

Info

Publication number: CN113952645A
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: 2022-01-21
Anticipated expiration: 2041-10-26
Also published as: CN113952645B

Abstract

The utility model 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 utility model 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 maintenance personal to tie the safety belt and go on in the air, so maintenance personal need hang the safety belt on the cable in order to prevent the danger that falls, but does not have buffer function on the current safety belt, cause the safety belt when the maintenance personal that the rescue was fallen, realize through rigid 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 transformer overhauls and uses safety belt linkage is disclosed through retrieving utility model patent that application number is 202020529569.8, 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 other end at connecting device is installed to the one end of another connecting rod and buffer gear is connected, the other end, fixing device is all installed at connecting device's both ends. The buffer mechanism has a buffer effect, reduces the damage to maintenance personnel, ensures the safety of the maintenance personnel, can ensure that the maintenance personnel hang the safety belt on different cables in the process of maintaining the different cables by arranging the two fixing devices, and ensures that at least one fixing device is fixed on the cables, thereby greatly ensuring the safety of the maintenance personnel; 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 utility model 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 utility model 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 axis of rotation set casing 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 limiting part further comprises a limiting rod and a second spring, a strip-shaped through hole is formed in the side wall of the first groove of the fixing plate, a fixing groove is formed in the other side wall of the first groove, one end of the limiting rod penetrates through the strip-shaped through hole and extends into the fixing groove in the other side wall of the first groove and is rotatably installed in the fixing groove, the limiting rods are provided with two limiting rods, the two limiting rods are symmetrically arranged about the central line of the first groove, the two ends of the second spring are respectively installed on the two limiting rods, a chute is formed in the middle of the limiting rod, the limiting plate is of a groove structure, a second groove is formed in the side wall of the limiting plate, a stop rod is installed at the bottom of the second groove, the end part of the stop rod is arranged in an inclined plane and is matched with the chute on the limiting rod, the limiting part is used for limiting the up-and-down movement of the cable, and the cable is guaranteed to be always clamped on the moving wheel, the purpose of fixing the cable is achieved, the safety of the device in working is guaranteed, and the safety of workers is guaranteed.

Preferably, 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 in the protective shell, the internal gear is arranged above the fixing ring and fixedly mounted on the fixing ring, the second gear is arranged in 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, the other end of the pushing rod extends to the outer side of the fixing shell, and the rotating assembly can drive the buffering assembly to rotate as required, guarantee 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 utility model 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 rotating 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 a of fig. 7.

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 case; 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 seat; 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 relative to 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 part of the blocking rod 2018 is arranged in an inclined plane and is matched with the chute on the limiting rod 2016, and the limiting part 203 is used for limiting the up-down movement of the cable, guarantee that the cable conductor blocks on removing wheel 204 all the time, realize the purpose fixed to the cable conductor, guaranteed the device safety at the during operation, guaranteed staff's safety.

The locating part 203 is matched with the moving wheel 204, the cable is pressed on the moving wheel 204, the cable is prevented from shaking up and down, and the safety of the device is guaranteed.

When the device is required to be taken down, the worker only needs to press the limiting plate 209 downwards, the two limiting rods 2016 move towards the middle in the process of pressing the limiting plate 209 downwards under the mutual matching of the inclined plane at the end part of the stop lever and the inclined slots on the limiting rods 2016 under the mutual matching of the inclined planes at the end parts of the stop levers and the inclined slots on the limiting rods 2016, when the limiting plate 209 is pressed downwards, the two limiting rods 2016 move towards the middle, when the limiting rods 2016 are positioned above the stop levers, the limiting rods 2016 can move towards two sides under the action of the second springs 2014, the limiting rods 2016 are matched with the stop levers to limit the limiting plates 209, and the limiting plates 209 are prevented from moving upwards under the action of the first springs 2015, the moving wheel 204 is then removed from the cable.

The rotating assembly 1 comprises a supporting plate 108, a protective shell 102, a fixing ring 103, an internal gear 101, a second gear 105, a rotating ring 107, a fixing shaft 104 and a push rod 106, wherein the top of the protective shell 102 is fixedly arranged at the bottom of the fixing shell 201, the fixing ring 103 is fixedly arranged inside the protective shell 102, the internal gear 101 is arranged above the fixing ring 103 and is fixedly arranged on the fixing ring 103, the second gear 105 is arranged inside the internal gear 101 and is meshed with the internal gear 101, the rotating ring 107 is arranged below the fixing ring 103, the rotating ring 107 is fixedly arranged on the supporting plate 108, one end of the fixing shaft 104 is rotatably arranged on the supporting plate 108, the other end of the fixing shaft is fixedly arranged on the fixing shell 201, the rotating ring 107 is rotatably arranged on the fixing shaft 104, the second gear 105 is rotatably arranged on the rotating ring 107, and one end of the push rod 106 is rotatably arranged at the edge of the second gear 105, the other end extends to the outside of set casing 201, and rotating assembly 1 can drive buffering subassembly 4 as required and rotate, guarantees that buffering subassembly 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 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 of 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.

The buffer assembly 4 comprises a sliding chute 404, a mounting seat 401, a buffer plate 406 and a connecting rod 402 rotatably mounted at two sides of the buffer plate 406, a sliding block 405 and a return spring 403 are arranged in the sliding groove 404, one end of the buffer plate 406 is rotatably arranged on the sliding block 405, a fixing hole 407 for facilitating the installation of the rope is opened on the other end of the buffer plate 406, one end of the return spring 403 is installed on the inner wall of the sliding chute 404, the other end is installed on the sliding block 405, the one side at chute 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 that rigid stop causes bodily injury to the staff when the staff tenesmus 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 exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.

Claims

1. The utility model provides a high altitude cable conductor overhauls uses safety belt linkage, includes and removes the subassembly, its characterized in that, 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.

2. The safety belt hanging device for overhauling of the overhead cable according to claim 1, wherein the moving assembly further comprises a limiting part, a support, two moving wheels and a handle, the handle is installed at the outer side of the fixing shell on the rotating shaft, the two supporting rods are arranged at two sides of the first gear symmetrically, one limiting rod penetrates through the fixing shell and extends to one end of the fixing shell, the other limiting rod penetrates through the fixing shell and extends to the other end of the fixing shell, the limiting part corresponds to the supporting rods one to one, the limiting part is fixedly installed at the outer side of the fixing shell at one end of the supporting rods, the support is installed on the limiting part, and the moving wheels are installed on the support and matched with the limiting part.

3. The safety belt hanging device for high-altitude cable line maintenance as claimed in claim 2, wherein the limiting member 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 arranged in the first groove, and the other end of the first spring is arranged at the bottom of the limiting plate.

4. The safety belt hanging device for high altitude cable line maintenance according to claim 3, the limiting piece also comprises a limiting rod and a second spring, the side wall of the first groove of the fixing plate is provided with a strip-shaped through hole, the other side wall of the first groove is provided with a fixed groove, one end of the limiting rod penetrates through the strip-shaped through hole, extends into the fixed groove on the other side wall of the first groove and is rotatably arranged in the fixed groove, the two limiting rods are symmetrically arranged around the central line of the first groove, two ends of the second spring are respectively arranged on the two limiting rods, the middle part of each limiting rod is provided with an inclined groove, the limiting plates are of a groove-shaped structure, a second groove is formed in the side wall of the limiting plate, a blocking rod is installed at the bottom of the second groove, and the end portion of the blocking rod is arranged in an inclined plane and matched with the inclined groove in the limiting rod.

5. The safety belt hanging device for high altitude cable line maintenance according to claim 1, wherein the rotating assembly comprises a support plate, a protective casing, a fixed ring, an internal gear, a second gear, a rotating ring, a fixed shaft and a pushing rod, the top of the protective casing is fixedly installed at the bottom of the fixed casing, the fixed ring is fixedly installed inside the protective casing, the internal gear is arranged above the fixed ring and is fixedly installed on the fixed ring, the second gear is arranged inside the internal gear and is engaged with the internal gear, the rotating ring is arranged below the fixed ring and is fixedly installed on the support plate, one end of the fixed shaft is rotatably installed on the support plate, the other end of the fixed shaft is fixedly installed on the fixed casing, the rotating ring is rotatably installed on the fixed shaft, the second gear is rotatably installed on the rotating ring, one end of the pushing rod is rotatably installed at the edge of the second gear, the other end extends to the outside of the stationary case.

6. The safety belt hanging device for overhead cable line maintenance as claimed in claim 5, 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.

7. The safety belt hanging device for overhead cable line maintenance as claimed in claim 6, 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.

8. The safety belt hanging device for high altitude cable line maintenance of claim 7, wherein the connecting rod is of an L-shaped structure, the sliding groove is provided with two sliding grooves, the two sliding grooves are symmetrically arranged at two sides of the buffer plate and are symmetrical about the center line of the buffer plate.