CN111668752B - Power transmission line is along preventing weighing down track lower tower buffer seat - Google Patents
Power transmission line is along preventing weighing down track lower tower buffer seat Download PDFInfo
- Publication number
- CN111668752B CN111668752B CN202010535946.3A CN202010535946A CN111668752B CN 111668752 B CN111668752 B CN 111668752B CN 202010535946 A CN202010535946 A CN 202010535946A CN 111668752 B CN111668752 B CN 111668752B
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- China
- Prior art keywords
- falling
- seat
- friction pad
- tower
- groove
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000005303 weighing Methods 0.000 title claims description 3
- 210000001015 abdomen Anatomy 0.000 claims description 3
- 230000009194 climbing Effects 0.000 abstract description 17
- 230000005484 gravity Effects 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
- B62D57/02—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
- B62D57/024—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members specially adapted for moving on inclined or vertical surfaces
Abstract
The invention discloses a transmission line anti-falling track lower tower buffer seat, which comprises a seat main body, face wheels, side wheels and a descending buffer device, wherein the face wheels are arranged on the seat main body; the seat main body comprises a top plate, bottom plates and side plates, the pair of bottom plates are connected below the top plate through the side plates, and one end of the top plate is provided with a mounting groove; the face wheel is connected to the outer end of the mounting groove, and the side wheel is assembled in the end part of the side plate; the descending buffering device comprises a friction pad, the descending buffering device is assembled at the inner end of the installation groove, and the friction pad can move relative to the surface of the anti-falling rail to adjust friction force. When the anti-falling device is used, the anti-falling device is clamped on the anti-falling rail, the adjusting friction pad is not in contact with the anti-falling rail, then the anti-falling device is carried to a tower by an external tower climbing robot, when the external tower climbing robot needs to be controlled to recover after operation is completed, the adjusting friction pad is in contact with the anti-falling rail, the friction force is adjusted by adjusting the contact tightness, the friction force is adjusted to offset the self gravity and the gravity of the tower climbing robot, then a downward initial speed is given to the seat main body, and the anti-falling device can descend at a constant speed without extra external tower descending power.
Description
Technical Field
The invention belongs to the field of power transmission line tower ascending and descending equipment, and particularly relates to a power transmission line anti-falling track tower descending buffer seat.
Background
The transmission line mainly comprises a lead, an insulator, a pole tower, a lightning conductor and a grounding device. The tower mainly plays a supporting role, the transmission line tower is divided into an iron tower and a concrete tower according to materials, the usage percentage of the iron tower on the transmission line is up to more than 80%, and particularly, the line of 500kV or more currently accounts for 100%.
In the line operation and maintenance, electric shock and high-altitude falling are two main factors which harm the personal safety. Along with the rapid development of electric wire netting construction, the tower is breathing high more and more high, and the average of extra-high voltage line is breathing high more than 70 meters, and climbing tower need consume a large amount of physical power and time when going up the tower operation, makes operation personnel physical power more and more be difficult to satisfy the operation demand, and how to solve the anti-falling problem when climbing tower and alleviate climbing tower intensity becomes the key problem that the line transportation overhauld.
And the iron tower generally divide into angle steel tower and steel pipe tower two kinds, and traditional mode of ascending a height leans on angle steel both sides design foot nail or installs the hand climbing on the cat ladder at the steel pipe tower, easily takes place the high altitude and falls, endangers operation personnel life safety. When the robot carries a person to go up the tower, the characteristics of different iron towers need to be found, the operation efficiency of the robot is improved, and the angle steel tower consists of a main material, an oblique material, a transverse material, a connecting bolt and a connecting plate. The common characteristics of the structures of different angle steel towers are difficult to find to be suitable for the motion planning of the robot, and the innovation difficulty is very high. And anti-falling rails are arranged on part of the iron towers, particularly the iron towers with high breathing height. The iron tower of the type can provide another alternative climbing mode for robot design and research, and can effectively improve the efficiency of the robot. However, the robots are difficult to realize unpowered uniform-speed tower descending along the anti-falling track.
Disclosure of Invention
The invention aims to provide a buffer seat for lowering a power transmission line to a tower along an anti-falling track, aiming at overcoming the defects in the prior art, and the buffer seat can realize unpowered uniform-speed lowering of the tower along the anti-falling track.
The invention provides a transmission line lower tower buffer seat along an anti-falling track, which comprises a seat main body, a face wheel, side wheels and a descending buffer device; the seat main body comprises a top plate, bottom plates and side plates, the pair of bottom plates are connected below the top plate through the side plates, and one end of the top plate is provided with a mounting groove; the face wheel is connected to the outer end of the mounting groove, and the side wheel is assembled in the end part of the side plate; the descending buffer device comprises a friction pad, the descending buffer device is assembled at the inner end of the mounting groove, and the friction pad can move relative to the surface of the anti-falling rail to adjust the friction force; the descending buffer device also comprises a fixed seat and a movable seat; the fixed seat is arranged at the mounting hole of the top plate; the movable seat is connected in the fixed seat, the bottom end of the movable seat is connected with the friction pad, and the movable seat can lift relative to the fixed seat; the fixed seat comprises a fixed plate and a guide sleeve; the fixed plate is a rectangular plate, the middle part of the fixed plate is provided with a boss matched with the friction pad, the boss is provided with a lifting groove, and two ends of the fixed plate are provided with mounting holes; the guide sleeves are cylindrical sleeves with openings at the bottom ends and closed top ends, through holes are formed in the positions of the axes of the closed ends of the guide sleeves, openings are formed in the side walls of the guide sleeves along the axial direction, and the two guide sleeves are oppositely arranged on the lug boss at the two ends of the lifting groove through the axial openings of the guide sleeves; the movable seat comprises a sliding block and lifting screw rods, and the pair of lifting screw rods are respectively arranged on two sides of the sliding block; the sliding block is arranged in the lifting groove, the lower end of the sliding block is connected with the friction pad, and the upper end of the lifting screw penetrates through the guide sleeve and is limited by the butterfly nut; the sliding block is a Chinese character 'shan' shaped integral piece and comprises a connecting plate, a flat square and a round platform; the flat square can be inserted into the lifting groove, the outer diameter of the circular truncated cone is not larger than the inner diameter of the guide sleeve, and the bottom end of the circular truncated cone is provided with an inner threaded hole; the flat square is fixedly connected to the middle part of the connecting plate in the length direction, the pair of round tables are symmetrically arranged at the two ends of the connecting plate, and the pair of lifting screw rods are respectively arranged on the round tables; two ends of the friction pad are provided with countersunk holes; the friction pad is screwed into the inner threaded hole through a bolt arranged in the counter bore and is connected with the movable seat.
The top plate is an I-shaped plate; the abdomen part of the anti-falling device is provided with a through groove, and the two sides of the through groove are provided with ear plates for connecting with an external anti-falling device.
The mounting groove is a U-shaped groove with an outward opening, and a pair of shaft holes are formed in the outer ends of the groove walls on the two sides of the mounting groove and used for mounting the face wheel.
And a pair of mounting holes for assembling the descending buffer device are formed in the top plate corresponding to the two sides of the blind end of the mounting groove.
When the anti-falling device is put into use, the seat main body is clamped on the anti-falling rail, the position of the friction pad is adjusted to be not in contact with the anti-falling rail, then the anti-falling device is carried to a tower by an external tower climbing robot, when the external tower climbing robot needs to be controlled to recover after the operation is finished, the position of the friction pad is adjusted to be in contact with the anti-falling rail, the friction force is adjusted by adjusting the contact tightness to counteract the self gravity and the gravity of the tower climbing robot, and then the seat main body is given a downward initial speed to enable the external tower climbing robot to be carried to descend at a constant speed together, so that equipment is prevented from being damaged due to the fact that the descending speed is too fast, accidents such as accidental falling and the like are avoided, and extra external tower descending power is not needed.
Drawings
Fig. 1 is a perspective view of a preferred embodiment of the present invention.
Fig. 2 is an enlarged schematic view of the seat body of fig. 1.
Fig. 3 is an exploded view of the descent buffering device in the preferred embodiment.
Sequence numbers of the drawings:
1-a main body of the seat,
11-top plate, 12-bottom plate, 13-side plate, 14-ear plate, 15-mounting groove and 16-shaft hole;
2-a dough wheel;
3-side wheel;
4-a descending buffer device which is arranged on the lower part of the frame,
41-a fixed seat, 411-a fixed plate, 412-a guide sleeve,
42-movable seat, 241-slide block, 422-lifting screw,
43-the friction pad,
44-wing nut.
Detailed Description
As shown in figure 1, the buffer seat for the lower tower of the power transmission line along the anti-falling track disclosed by the embodiment comprises a seat main body 1, face wheels 2, side wheels 3 and a descending buffer device 4.
As shown in fig. 1 and 2, the seat main body 1 includes a top plate 11, a bottom plate 12, and side plates 13. A pair of bottom plates 12 are connected below the top plate by side plates, and a gap is reserved between the two bottom plates and used for preventing the web of the anti-falling rail from penetrating through. The gap between the side plates is used for preventing the flange of the anti-falling rail from passing through. The top plate 11 is an I-shaped plate; a through groove is arranged on the abdomen part of the anti-falling device, and ear plates 14 are arranged on two sides of the through groove and are used for being connected with an external anti-falling device; one end of the wheel is provided with a mounting groove 15 which is a U-shaped groove with an outward opening, and the outer ends of the groove walls on the two sides are provided with a pair of shaft holes 16 for mounting the wheel 2. The top plate is provided with a round hole corresponding to the area outside the mounting hole for assembling the side wheel 3. And a pair of mounting holes are formed in the top plate corresponding to the two sides of the blind end of the mounting groove and used for assembling the descending buffer device 4.
As shown in fig. 3, the descent buffering device 4 includes a fixed seat 41, a movable seat 42, and a friction pad 43.
The fixing base 41 comprises a fixing plate 411 and a guide sleeve 412; the fixed plate is a rectangular plate, the middle part of the fixed plate is provided with a boss matched with the friction pad, the boss is provided with a lifting groove, and two ends of the fixed plate are provided with mounting holes; the guide sleeves are cylindrical sleeves with openings at the bottom ends and closed top ends, through holes are formed in the positions of the axes of the closed ends of the guide sleeves, openings are formed in the side walls of the guide sleeves in the axial direction, and the two guide sleeves are oppositely arranged at the two ends of the lifting groove on the boss through the axial openings of the guide sleeves.
The movable seat 42 includes a slider 421 and a lifting screw 422. The slide block 421 is a chevron-shaped integral piece, and comprises a connecting plate, a flat square and a round table; the flat square can be inserted into the lifting groove, the outer diameter of the circular truncated cone is not larger than the inner diameter of the guide sleeve, and the bottom end of the circular truncated cone is provided with an inner threaded hole; the flat square is fixedly connected to the middle of the connecting plate in the length direction, the pair of round tables are symmetrically arranged at the two ends of the connecting plate, and the pair of lifting screws 422 are respectively arranged on the round tables at the two sides of the sliding block.
The friction pad 43 is a rectangular friction pad that can enter the boss, and both ends thereof are provided with counter bores. During assembly, the friction pad is screwed into the internal thread hole through the bolt arranged in the countersunk hole to be connected with the movable seat to form an assembly body, then the assembly body is arranged in the fixed seat from bottom to top, the friction pad is arranged in the boss, the middle part of the sliding block is positioned in the lifting groove, the lifting screws at two ends are positioned in the guide sleeve, the top of the lifting screw is positioned in the outer area of the guide sleeve and is in threaded connection with the butterfly nut 44, the lifting screw can be controlled to drive the friction pad to lift by rotating the butterfly nut, and the friction force of the anti-falling track can be adjusted.
When the anti-falling rail seat is put into use, the seat main body is clamped on the anti-falling rail, the face wheels are in contact with the surface of the anti-falling rail, and the side wheels are in contact with the web plate of the anti-falling rail; the friction pad is adjusted to be not in contact with the anti-falling rail when climbing the tower, then the anti-falling rail is carried to the tower by an external tower climbing robot, when the external tower climbing robot needs to be controlled to recover after operation is finished, the position of the friction pad is adjusted to be in contact with the anti-falling rail, the friction force is adjusted by adjusting the contact tightness, the friction force is adjusted to counteract the self gravity and the gravity of the tower climbing robot, and then a downward initial speed is given to the seat main body, so that the external tower climbing robot carried by the invention can descend at a constant speed together, the equipment is prevented from being damaged due to the over-high descending speed, accidents such as accidental falling caused by the over-high descending speed are avoided, and additional external tower descending power is not needed.
Claims (4)
1. The utility model provides a power transmission line is along preventing weighing down tower buffer seat under track which characterized in that: it comprises a seat main body, a face wheel, a side wheel and a descending buffer device;
the seat main body comprises a top plate, bottom plates and side plates, the pair of bottom plates are connected below the top plate through the side plates, and one end of the top plate is provided with a mounting groove;
the face wheel is connected to the outer end of the mounting groove, and the side wheel is assembled in the end part of the side plate;
the descending buffer device comprises a friction pad, the descending buffer device is assembled at the inner end of the mounting groove, and the friction pad can move relative to the surface of the anti-falling rail to adjust the friction force;
the descending buffer device also comprises a fixed seat and a movable seat; the fixed seat is arranged at the mounting hole of the top plate; the movable seat is connected in the fixed seat, the bottom end of the movable seat is connected with the friction pad, and the movable seat can lift relative to the fixed seat;
the fixed seat comprises a fixed plate and a guide sleeve; the fixed plate is a rectangular plate, the middle part of the fixed plate is provided with a boss matched with the friction pad, the boss is provided with a lifting groove, and two ends of the fixed plate are provided with mounting holes; the guide sleeves are cylindrical sleeves with openings at the bottom ends and closed top ends, through holes are formed in the positions of the axes of the closed ends of the guide sleeves, openings are formed in the side walls of the guide sleeves along the axial direction, and the two guide sleeves are oppositely arranged on the lug boss at the two ends of the lifting groove through the axial openings of the guide sleeves;
the movable seat comprises a sliding block and lifting screw rods, and the pair of lifting screw rods are respectively arranged on two sides of the sliding block; the sliding block is arranged in the lifting groove, the lower end of the sliding block is connected with the friction pad, and the upper end of the lifting screw penetrates through the guide sleeve and is limited by the butterfly nut;
the sliding block is a Chinese character 'shan' shaped integral piece and comprises a connecting plate, a flat square and a round platform; the flat square can be inserted into the lifting groove, the outer diameter of the circular truncated cone is not larger than the inner diameter of the guide sleeve, and the bottom end of the circular truncated cone is provided with an inner threaded hole; the flat square is fixedly connected to the middle part of the connecting plate in the length direction, the pair of round tables are symmetrically arranged at the two ends of the connecting plate, and the pair of lifting screw rods are respectively arranged on the round tables;
two ends of the friction pad are provided with countersunk holes; the friction pad is screwed into the inner threaded hole through a bolt arranged in the counter bore and is connected with the movable seat.
2. The power transmission line down-tower buffer seat along an anti-falling track of claim 1, characterized in that: the top plate is an I-shaped plate; the abdomen part of the anti-falling device is provided with a through groove, and the two sides of the through groove are provided with ear plates for connecting with an external anti-falling device.
3. The power transmission line down-tower buffer seat along an anti-falling track of claim 1, characterized in that: the mounting groove is a U-shaped groove with an outward opening, and a pair of shaft holes are formed in the outer ends of the groove walls on the two sides of the mounting groove and used for mounting the face wheel.
4. The power transmission line down-tower buffer seat along an anti-falling track of claim 1, characterized in that: and a pair of mounting holes for assembling the descending buffer device are formed in the top plate corresponding to the two sides of the blind end of the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010535946.3A CN111668752B (en) | 2020-06-12 | 2020-06-12 | Power transmission line is along preventing weighing down track lower tower buffer seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010535946.3A CN111668752B (en) | 2020-06-12 | 2020-06-12 | Power transmission line is along preventing weighing down track lower tower buffer seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111668752A CN111668752A (en) | 2020-09-15 |
| CN111668752B true CN111668752B (en) | 2021-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010535946.3A Active CN111668752B (en) | 2020-06-12 | 2020-06-12 | Power transmission line is along preventing weighing down track lower tower buffer seat |
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| Country | Link |
|---|---|
| CN (1) | CN111668752B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201862169U (en) * | 2010-11-19 | 2011-06-15 | 西安电力机械厂检修安装分厂 | T-track type follow-up anti-falling device |
| CN104276530A (en) * | 2014-10-27 | 2015-01-14 | 中际联合（北京）科技股份有限公司 | Hoisting device and method for overhead work |
| CN106730474A (en) * | 2016-12-19 | 2017-05-31 | 山东特瑞电力器材有限公司 | A kind of high voltage transmission line tower operation falling prevention device |
| CN210361075U (en) * | 2019-07-17 | 2020-04-21 | 福建金桥门业有限公司 | Strutting arrangement is used in equipment of tempering door |
-
2020
- 2020-06-12 CN CN202010535946.3A patent/CN111668752B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201862169U (en) * | 2010-11-19 | 2011-06-15 | 西安电力机械厂检修安装分厂 | T-track type follow-up anti-falling device |
| CN104276530A (en) * | 2014-10-27 | 2015-01-14 | 中际联合（北京）科技股份有限公司 | Hoisting device and method for overhead work |
| CN106730474A (en) * | 2016-12-19 | 2017-05-31 | 山东特瑞电力器材有限公司 | A kind of high voltage transmission line tower operation falling prevention device |
| CN210361075U (en) * | 2019-07-17 | 2020-04-21 | 福建金桥门业有限公司 | Strutting arrangement is used in equipment of tempering door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111668752A (en) | 2020-09-15 |
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