CN110711365A - Pole-climbing device suitable for electric power overhaul and use method - Google Patents
Pole-climbing device suitable for electric power overhaul and use method Download PDFInfo
- Publication number
- CN110711365A CN110711365A CN201910988506.0A CN201910988506A CN110711365A CN 110711365 A CN110711365 A CN 110711365A CN 201910988506 A CN201910988506 A CN 201910988506A CN 110711365 A CN110711365 A CN 110711365A
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- clamping arm
- pole
- electric power
- driving cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B27/00—Apparatus for climbing poles, trees, or the like
- A63B27/02—Climbing devices for round poles or trees attachable to the feet
Abstract
The utility model discloses a pole-climbing device suitable for electric power overhauls, the connecting plate comprises a connecting plate, a supporting plate, first arm lock, the second arm lock, first actuating cylinder that drives, the second drives actuating cylinder, ball and driving motor, first arm lock and second arm lock are connected with the one end of connecting plate, first cylinder body that drives actuating cylinder is connected with the connecting plate, first piston rod that drives actuating cylinder is connected with first arm lock, the second drives actuating cylinder's cylinder body and is connected with the connecting plate, the second drives actuating cylinder's piston rod and is connected with the second arm lock, maintainer can stand and go up and down in the backup pad, this in-process, can guarantee to have at least two sets of first arm lock and second arm lock to press from both sides tight wire pole, the tight security of clamp has been guaranteed.
Description
Technical Field
The disclosure relates to a pole-climbing device suitable for electric power overhaul and a using method thereof.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the process of electric power overhaul, workers often need to climb to the high position of a telegraph pole to carry out maintenance work, and the pole climbing tool which is conventionally used at present is a pole climber. The climber is an arc iron tool for sleeving an electric wire climbing rod on a shoe, and has the advantages of light weight, high strength and good toughness; the adjustability is good, and the device is portable and flexible; safe and reliable, convenient to carry, etc., and is an ideal tool for electricians to climb cement poles or wood poles of different specifications. However, the use of the climbers has several problems: (1) when the foot buckle is formally used, professional training must be carried out on pole climbing personnel; the safety can be ensured only by the conversion balance of the alignment force of the user, and the vertical conversion of the left foot and the right foot of the climber realizes the climbing by the balance of the alignment force of the operator; (2) whether the pole can be fastened by the climbers or not is completely mastered by an operator, and is judged by personal experience, so that the safety and reliability are low; (3) the pole climbing mode of the climbers has high labor intensity, short standing time and large physical consumption, and is easy to cause fatigue. For the reasons, the worker who ascends the height feels heavy during operation, is panic in mind, and is easy to cause the lack of concentration of operation energy, so that accidents occur.
Therefore, the operating personnel hope to design an automatic pole-climbing device, and simple structure is reliable, can adapt to the wire pole of various differences, provides auxiliary power through the machine and helps the staff to climb the pole, practices thrift physical power, reduces intensity of labour and physical demands for the staff can go on main physical power and the operation that the vigor was used for after ascending a height, thereby improves the efficiency and the reliability of shaft tower operation of ascending a height.
Disclosure of Invention
In order to solve the problems, the disclosure provides a pole climbing device suitable for electric power overhaul and a using method thereof.
The first purpose of this disclosure is to provide a climbing rod device suitable for electric power overhauls, can help the maintainer to climb the pole.
The second purpose of this disclosure is to provide a climbing rod device's application method suitable for electric power overhauls, with the help of above-mentioned climbing rod device for the maintainer can not consume physical power and climb the pole, conveniently overhauls.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
a climbing rod device suitable for electric power overhaul comprises a connecting plate, a supporting plate, a first clamping arm, a second clamping arm, a first driving cylinder, a second driving cylinder, a ball screw and a driving motor, wherein the connecting plate at least comprises a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate and the second connecting plate are respectively rotatably connected with the ball screw, the third connecting plate is in threaded connection with the ball screw, the driving motor is connected with the ball screw, the first clamping arm and the second clamping arm at least comprise three groups which are respectively connected with the first connecting plate, the second connecting plate and the supporting plate, the first driving cylinder and the second driving cylinder at least comprise three groups, the cylinder body of the first driving cylinder is connected with the connecting plate, the piston rod of the first driving cylinder is connected with the first clamping arm, the cylinder body of the second driving cylinder is connected with the connecting plate, and the piston rod of the second driving cylinder is connected with the second clamping arm, one end, far away from the first clamping arm and the second clamping arm, of the third connecting plate is connected with the supporting plate, and one surface, far away from the foot fixing sleeve, of the supporting plate is fixedly connected with the motor.
Furthermore, the surfaces of the first clamping arm and the second clamping arm are provided with anti-skid layers.
Furthermore, the second connecting plate and the third connecting plate are respectively provided with a safety belt.
Furthermore, the cylinder body of the first driving cylinder is hinged to the connecting plate, and the piston rod of the first driving cylinder is hinged to the first clamping arm.
Furthermore, the cylinder body of the second driving cylinder is hinged to the connecting plate, and the piston rod of the second driving cylinder is hinged to the second clamping arm.
Furthermore, the supporting plate is provided with an anti-skid pad.
Furthermore, the first clamping arm and the second clamping arm are arranged into a plurality of sections.
A pole-climbing device applicable to electric power overhaul is used, a first clamping arm and a second clamping arm clamp a telegraph pole, after a driving motor is started, a ball screw rotates, the first clamping arm and the second clamping arm on a third connecting plate are opened, the third connecting plate drives a supporting plate to ascend, after the position of a second connecting plate is reached, the first clamping arm and the second clamping arm on the third connecting plate clamp the telegraph pole, the first clamping arm and the second clamping arm on the second connecting plate are opened, the second connecting plate ascends to the position of a first connecting plate, the first clamping arm and the second clamping arm on the second connecting plate clamp the telegraph pole, the first clamping arm and the second clamping arm on the first connecting plate are opened, the first connecting plate ascends to the top point of the ball screw, the processes are repeated, the telegraph pole is always reached to an appointed overhaul position, and therefore the telegraph pole is.
Compared with the prior art, the beneficial effect of this disclosure is:
1. the utility model discloses can reach the maintenance position of wire pole through climbing without the maintainer, only need the maintainer directly stand on the backup pad, turn on driving motor, can reach the maintenance position of wire pole through the promotion of ball;
2. according to the pole climbing device, at least two groups of first clamping arms and second clamping arms are always kept to clamp a telegraph pole in the working process through the three groups of first clamping arms and second clamping arms, so that the bearing capacity of the pole climbing device can be guaranteed;
3. this disclosure still is equipped with skid resistant course isotructure, can prevent to slide, realizes climbing the stability of pole device at the in-process that climbs, and the safety belt can fix maintainer for maintainer remains stable at the in-process of overhauing.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a side view of the present disclosure;
FIG. 2 is a top view of the support plate orientation of the present disclosure;
FIG. 3 is a top view of the web orientation of the present disclosure;
wherein: 1. first arm lock, 2, first connecting plate, 3, first actuating cylinder that drives, 4, ball, 5, second connecting plate, 6, third connecting plate, 7, driving motor, 8, backup pad, 9, the fixed cover of foot, 10, safety belt, 11, second arm lock, 12, the second actuating cylinder that drives.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
Example 1
The utility model provides a climbing rod device suitable for electric power overhaul, as shown in figures 1-3, comprising a connecting plate, a support plate 8, a first clamping arm 1, a second clamping arm 11, a first driving cylinder 3, a second driving cylinder 12, a ball screw 4 and a driving motor 7, wherein the connecting plate is divided into a first connecting plate 2, a second connecting plate 5 and a third connecting plate 6, the first clamping arm 1 and the second clamping arm 11 have three groups, the first connecting plate 2 is connected with the first group of the first clamping arm 1 and the second clamping arm 11, the second connecting plate 5 is connected with the second group of the first clamping arm 1 and the second clamping arm 11, the third connecting plate 6 is connected with the third group of the first clamping arm 1 and the second clamping arm 11, the first driving cylinder 3 and the second driving cylinder 12 have three groups, a piston rod of the first driving cylinder 3 is hinged with the first clamping arm 1, a cylinder body of the first driving cylinder 3 is hinged with the first connecting plate 2, the piston rod of the second driving cylinder 12 is hinged to the second clamping arm 11, the cylinder body of the second driving cylinder 12 is hinged to the first connecting plate 2, and the three groups of first driving cylinders 3 and the second driving cylinders 12 are correspondingly connected with the three groups of first clamping arms 1 and the second clamping arm 11.
Third connecting plate 6 and backup pad 8 fixed connection are equipped with the fixed cover 9 of two feet in backup pad 8, and wherein the fixed cover 9 of foot is axisymmetric with the central line of backup pad 8, and maintainer can fix both feet in backup pad 8 through the fixed cover 9 of foot.
The one end that first arm lock 1 and second arm lock 11 were kept away from to first connecting plate 2 and second connecting plate 5 is equipped with safety belt 10, and at the in-process of overhauing, the staff can utilize safety belt 10 to fix oneself on climbing the pole device, when the protection oneself, can be relieved do motion by a wide margin, guarantees the safety of maintenance process.
First connecting plate 2, second connecting plate 5 and ball 4 rotatable coupling, third connecting plate 6 and ball 4 spiro union, driving motor 7 is connected with ball 4, when first arm lock 1 and second arm lock 11 press from both sides tight wire pole, realize idle running with ball 4's junction on the connecting plate, when first arm lock 1 and second arm lock 11 loosen, the connecting plate is with ball 4 junction in close contact with, ball 4 rotates this moment and can drive the connecting plate and rise or descend.
The motion of first arm lock 1 is through first actuating cylinder 3 control that drives, when the first piston rod that drives actuating cylinder 3 extends, first arm lock 1 contracts to the wire pole, realize the clamp tight to the wire pole at last, when the first piston rod that drives actuating cylinder 3 contracts, first arm lock 1 realizes opening to the direction of keeping away from the wire pole, at this moment, the motor drives ball 4 and rotates, realize the promotion or the decline of connecting plate, the motion of second arm lock 11 drives actuating cylinder 12 control through the second, the motion condition the same with first arm lock 1.
Be equipped with the skid resistant course on first arm lock 1 and second arm lock 11's surface, can make first arm lock 1 and second arm lock 11 play skid-proof effect at the in-process that presss from both sides tight wire pole, guarantee the stability that the pole climbing device climbed.
In order to adapt to telegraph poles with different diameters, the first clamping arm 1 and the second clamping arm 11 can be provided with multiple sections, and the clamping of the first clamping arm 1 and the second clamping arm 11 in the process of clamping the telegraph pole is tighter by adjusting the diameter of the telegraph pole.
In order to prevent the maintainer from skidding when standing on the supporting plate 8 in the maintenance process, the anti-skidding pads are laid on the surface of the supporting plate 8, so that the maintenance work of the staff is facilitated, and the safety of the staff is guaranteed.
A method for using a pole-climbing device suitable for electric power overhaul comprises the steps of clamping a telegraph pole by a first clamping arm 1 and a second clamping arm 11, rotating a ball screw 4 after a driving motor 7 is started, opening the first clamping arm 1 and the second clamping arm 11 on a third connecting plate 6, lifting a support plate 8 by the third connecting plate 6, clamping the telegraph pole by the first clamping arm 1 and the second clamping arm 11 on the third connecting plate 6 after the driving motor 7 reaches the position of a second connecting plate 5, opening the first clamping arm 1 and the second clamping arm 11 on the second connecting plate 5, lifting the second connecting plate 5 to the position of a first connecting plate 2, clamping the telegraph pole by the first clamping arm 1 and the second clamping arm 11 on the second connecting plate 5, opening the first clamping arm 1 and the second clamping arm 11 on the first connecting plate 2, lifting the first connecting plate 2 to the top point of the ball screw 4, realizing a lifting period, and repeating the lifting period, the climbing of the telegraph pole is realized until reaching the specified position for maintenance.
The descending process is just opposite to the ascending process, the rotating direction of the driving motor 7 is opposite to the rotating direction in the ascending process, the first clamping arm 1 and the second clamping arm 11 clamp the telegraph pole, after the driving motor 7 is opened, the ball screw 4 rotates, the first clamping arm 1 and the second clamping arm 11 of the first connecting plate are loosened, the first connecting plate 2 is tightly contacted with the ball screw 4, the joint of the second connecting plate 5 and the third connecting plate 6 and the ball screw 4 is idle, the first connecting plate 2 descends to reach the second connecting plate 5, the first clamping arm 1 and the second clamping arm 11 at the first connecting plate 2 clamp the telegraph pole, then the first clamping arm 1 and the second clamping arm 11 at the second connecting plate 5 are loosened, the second connecting plate 5 descends to reach the first connecting plate 2, then, the first clamping arm 1 and the second clamping arm 11 on the second connecting plate 5 are clamped, the first clamping arm 1 and the second clamping arm 11 at the third connecting plate 6 are loosened, the third link plate 6 drives the screw shaft to descend so that the apex of the ball screw 4 is in contact with the first link plate 2, thus completing a descent period, and then repeating the above process to lower the climbing pole device to the ground.
Just so utilize this disclosed pole climbing device suitable for electric power overhauls to climb and descend the wire pole, the maintainer can stand and go up and down on backup pad 8, and this in-process can guarantee that at least two sets of first arm lock 1 and second arm lock 11 press from both sides tight wire pole, has guaranteed the security of pressing from both sides tightly.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (9)
1. The utility model provides a pole-climbing device suitable for electric power overhauls, characterized by: the clamping device comprises a connecting plate, a supporting plate, a first clamping arm, a second clamping arm, a first driving cylinder, a second driving cylinder, a ball screw and a driving motor, wherein the connecting plate at least comprises a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate and the second connecting plate are respectively rotatably connected with the ball screw, the third connecting plate is in threaded connection with the ball screw, the driving motor is connected with the ball screw, the first clamping arm and the second clamping arm at least comprise three groups which are respectively connected with the first connecting plate, the second connecting plate and the third connecting plate, the first driving cylinder and the second driving cylinder at least comprise three groups, the cylinder body of the first driving cylinder is connected with the connecting plate, the piston rod of the first driving cylinder is connected with the first clamping arm, the cylinder body of the second driving cylinder is connected with the connecting plate, and the piston rod of the second driving cylinder is connected with the second clamping arm, and one end of the third connecting plate, which is far away from the first clamping arm and the second clamping arm, is connected with a supporting plate, and the supporting plate is fixedly connected with the motor.
2. A pole-climbing device suitable for electric power overhaul as claimed in claim 1, wherein: the surfaces of the first clamping arm and the second clamping arm are provided with anti-slip layers.
3. A pole-climbing device suitable for electric power overhaul as claimed in claim 1, wherein: the second connecting plate and the third connecting plate are respectively provided with a safety belt.
4. A pole-climbing device suitable for electric power overhaul as claimed in claim 1, wherein: the cylinder body of the first driving cylinder is hinged to the connecting plate, and the piston rod of the first driving cylinder is hinged to the first clamping arm.
5. A pole-climbing device suitable for electric power overhaul as claimed in claim 1, wherein: the cylinder body of the second driving cylinder is hinged to the connecting plate, and the piston rod of the second driving cylinder is hinged to the second clamping arm.
6. A pole-climbing device suitable for electric power overhaul as claimed in claim 1, wherein: and the supporting plate is provided with an anti-skid pad.
7. A pole-climbing device suitable for electric power overhaul as claimed in claim 1, wherein: the first clamping arm and the second clamping arm are arranged into a plurality of sections.
8. A pole-climbing device suitable for electric power overhaul as claimed in claim 1, wherein: two foot fixing sleeves are arranged on the supporting plate.
9. The utility model provides a climbing pole device's application method suitable for electric power overhauls, characterized by: use of a pole-climbing device suitable for electric power overhaul according to any one of claims 1 to 8, in particular comprising:
the first clamping arm and the second clamping arm are used for clamping a telegraph pole, after the driving motor is started, the ball screw rotates, the first clamping arm and the second clamping arm on the third connecting plate are opened, the third connecting plate drives the supporting plate to ascend, the telegraph pole is clamped by the first clamping arm and the second clamping arm on the third connecting plate after the supporting plate reaches the position of the second connecting plate, the first clamping arm and the second clamping arm on the second connecting plate are opened, the second connecting plate ascends to the position of the first connecting plate, the telegraph pole is clamped by the first clamping arm and the second clamping arm on the second connecting plate, the first clamping arm and the second clamping arm on the first connecting plate are opened, the first connecting plate ascends to the vertex of the ball screw, then the processes are repeated, the telegraph pole reaches the specified position for maintenance all the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910988506.0A CN110711365A (en) | 2019-10-17 | 2019-10-17 | Pole-climbing device suitable for electric power overhaul and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910988506.0A CN110711365A (en) | 2019-10-17 | 2019-10-17 | Pole-climbing device suitable for electric power overhaul and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110711365A true CN110711365A (en) | 2020-01-21 |
Family
ID=69211809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910988506.0A Pending CN110711365A (en) | 2019-10-17 | 2019-10-17 | Pole-climbing device suitable for electric power overhaul and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110711365A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111285301A (en) * | 2020-02-21 | 2020-06-16 | 晁志兵 | Bear formula power maintenance climbing device |
| CN111686422A (en) * | 2020-06-01 | 2020-09-22 | 屈克礼 | Telegraph pole climbing device for power engineering |
| CN113856169A (en) * | 2021-09-07 | 2021-12-31 | 南京信息职业技术学院 | Automatic pole climbing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2424771B1 (en) * | 2009-05-02 | 2013-06-19 | ThyssenKrupp System Engineering GmbH | Installation for mounting body parts |
| CN204395351U (en) * | 2015-01-23 | 2015-06-17 | 国家电网公司 | Electric power pole-climbing inspection device |
| CN204472948U (en) * | 2015-03-20 | 2015-07-15 | 湖北工业大学 | A kind of screw mandrel moveable type climbing level robot |
| CN108434685A (en) * | 2016-07-25 | 2018-08-24 | 国网江苏省电力公司常州供电公司 | A kind of concrete bar climbing inspection platform |
| CN108454721A (en) * | 2018-02-06 | 2018-08-28 | 成都明杰科技有限公司 | A kind of transmission pole climbing detection robot |
| CN109760760A (en) * | 2019-03-18 | 2019-05-17 | 巢湖学院 | A kind of pylon climbing device |
-
2019
- 2019-10-17 CN CN201910988506.0A patent/CN110711365A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2424771B1 (en) * | 2009-05-02 | 2013-06-19 | ThyssenKrupp System Engineering GmbH | Installation for mounting body parts |
| CN204395351U (en) * | 2015-01-23 | 2015-06-17 | 国家电网公司 | Electric power pole-climbing inspection device |
| CN204472948U (en) * | 2015-03-20 | 2015-07-15 | 湖北工业大学 | A kind of screw mandrel moveable type climbing level robot |
| CN108434685A (en) * | 2016-07-25 | 2018-08-24 | 国网江苏省电力公司常州供电公司 | A kind of concrete bar climbing inspection platform |
| CN108454721A (en) * | 2018-02-06 | 2018-08-28 | 成都明杰科技有限公司 | A kind of transmission pole climbing detection robot |
| CN109760760A (en) * | 2019-03-18 | 2019-05-17 | 巢湖学院 | A kind of pylon climbing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111285301A (en) * | 2020-02-21 | 2020-06-16 | 晁志兵 | Bear formula power maintenance climbing device |
| CN111285301B (en) * | 2020-02-21 | 2021-05-28 | 山东同其信息科技有限公司 | Bear formula power maintenance climbing device |
| CN111686422A (en) * | 2020-06-01 | 2020-09-22 | 屈克礼 | Telegraph pole climbing device for power engineering |
| CN113856169A (en) * | 2021-09-07 | 2021-12-31 | 南京信息职业技术学院 | Automatic pole climbing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110711365A (en) | Pole-climbing device suitable for electric power overhaul and use method | |
| CN106241679B (en) | A kind of mechanical platform being mostly used extensible automatic control lifting | |
| CN205063301U (en) | Electric power overhauls work platform | |
| CN207055847U (en) | A kind of climbing device when being used for electric pole operation | |
| CN110001812A (en) | A kind of climbing level robot | |
| CN107934862B (en) | A kind of electric power apparatus for examination and repair | |
| CN211301973U (en) | Pole climbing pedal capable of pushing safety belt | |
| CN112062065A (en) | Transformer substation overhauls operation platform | |
| CN210003199U (en) | general type steelframe cat ladder climbing equipment | |
| CN206976942U (en) | A kind of power construction wire-sending device | |
| CN201791323U (en) | Pole climbing device | |
| CN206762170U (en) | Antifatigue climber for climbing | |
| CN205672469U (en) | A kind of electric power first-aid electric pole climbing device | |
| CN208684331U (en) | A kind of Portable power transmission line cable outdoor terminal maintenance hoistable platform | |
| CN212715822U (en) | Lifting frame | |
| CN111994844A (en) | Transformer substation is with overhauing platform | |
| CN211692275U (en) | Transmission line overhauls uses extension ladder | |
| CN108421228A (en) | A kind of concrete bar climbing workbench and its climbing device | |
| CN206595631U (en) | A kind of transmission line of electricity servicing unit | |
| CN201196037Y (en) | Balance beam type oil pumping machine hair plait suspension device | |
| CN208785698U (en) | A kind of automatic-lifting type rod rising device | |
| CN205994975U (en) | A kind of electronic climbing device | |
| US7232009B1 (en) | Ascension/descension apparatus and method | |
| CN209814143U (en) | Pole-climbing robot | |
| CN214364802U (en) | New forms of energy lighting apparatus is with installation auxiliary device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200121 |