CN210134796U - Electric power cat ladder of automatic locking structure that falls in area - Google Patents
Electric power cat ladder of automatic locking structure that falls in area Download PDFInfo
- Publication number
- CN210134796U CN210134796U CN201920281888.9U CN201920281888U CN210134796U CN 210134796 U CN210134796 U CN 210134796U CN 201920281888 U CN201920281888 U CN 201920281888U CN 210134796 U CN210134796 U CN 210134796U
- Authority
- CN
- China
- Prior art keywords
- automatic locking
- pull rod
- sliding
- rotating part
- bolt
- 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.)
- Active
Links
Images
Landscapes
- Ladders (AREA)
Abstract
The utility model relates to an electric crawling ladder with an automatic locking structure, which comprises a crawling ladder body, a rotating part and an automatic locking mechanism, wherein one end of the crawling ladder body is rotatably connected with the lower end of the rotating part, and the upper end of the rotating part is fixedly connected with the automatic locking mechanism through threads; the utility model discloses structural design is simple, adopts automatic locking mechanism that falls, plays high-efficient, stable fixed action to the cat ladder, can guarantee staff's personal safety on the cat ladder simultaneously, improve maintenance efficiency.
Description
Technical Field
The utility model belongs to the technical field of power maintenance tool equipment technique and specifically relates to an electric power cat ladder of automatic locking structure that falls in area.
Background
In order to ensure the safety and stability of a power grid, ensure the normal operation of a power transmission line and improve the reliability of the power grid, hot-line work is generally adopted in the actual work, and the electric crawling ladder is one of important work tools for hot-line work and is widely applied to the electric work; one of them is: the electric crawling ladder is hung on the cross arm or the lead during maintenance, and the hanging method is to hang the electric crawling ladder on the cross arm or the lead through an insulating rope, so that the defects of complicated operation and low operation efficiency are overcome; the other is as follows: power line erects on the wire pole, electric power fortune is examined the department and is being overhauld power line, often need use the cat ladder, the cat ladder that uses at present is mostly the cat ladder of traditional formula, electric power overhaul personnel is using traditional formula cat ladder to overhaul power line's in-process, do not have good fixing device between cat ladder and the wire pole, cat ladder itself does not also have good fixing device simultaneously, thereby lead to electric power overhaul personnel to take place the landing accident when overhauing very easily, thereby cause the threat for electric power overhaul personnel's the security of the lives and property.
Disclosure of Invention
The utility model discloses an aim at is exactly the above-mentioned problem that the cat ladder that uses exists in traditional electric power operation, provides a structural design is simple, adopts automatic locking mechanism that falls, plays high-efficient, stable fixed action to the cat ladder, can guarantee on the cat ladder that staff personal safety, improvement maintenance efficiency's electric power cat ladder simultaneously.
The utility model has the following concrete scheme: the electric crawling ladder with the automatic falling lock structure is provided with a crawling ladder body, and further comprises a rotating part and an automatic falling lock mechanism, wherein one end of the crawling ladder body is rotatably connected with the lower end of the rotating part, and the upper end of the rotating part is fixedly connected with the automatic falling lock mechanism through threads.
The utility model discloses in the cat ladder body is including two standpipe and a plurality of violently pipes, all both ends of violently managing jointly with two standpipe fixed connection.
The utility model discloses in the standpipe top is equipped with the shrink mouth.
The utility model discloses in the rotating member is "shi" font, and rotating member upper end outside is equipped with the external screw thread, inside is equipped with the blind hole, and rotating member lower extreme outside is equipped with the round recess, inside is equipped with the through-hole, and this through-hole is opened the blind hole, the recess rotates with this body of cat ladder to be connected.
The utility model discloses in the quantity of rotating member and automatic mechanism of locking that falls is two respectively.
The utility model discloses in automatic locking mechanism that falls is including connecting piece, first bolt, waist type hole, couple, third bolt, lock piece, fourth bolt, first pull rod and second pull rod, the inside connecting thread that is equipped with of connecting piece lower extreme, connecting piece pass through connecting thread and rotating member top threaded connection, the upper end of connecting piece and the lower extreme sliding connection of couple, the couple lower extreme is equipped with waist type hole, first bolt runs through connecting piece and waist type hole setting in proper order, the outer wall of connecting piece and the one end of second pull rod are articulated, the other end and the first pull rod threaded connection of second pull rod, and first pull rod passes through fourth bolt and lock piece and rotates to be connected, and the lock piece passes through third bolt and couple and rotates to be connected.
The utility model discloses in the downthehole spring that is equipped with of waist type, the waist type downthehole portion setting is hugged closely to the spring lower extreme, the first bolt setting is hugged closely to the upper end.
In the utility model, the upper end of the hook is in an inverted U shape, a pulley is arranged in the hook, and the pulley is arranged at the upper end of the hook through a second bolt; the couple passes through the lock piece and forms the enclosure space, can also design into double pulley and install when in actual use.
The utility model discloses well two automatic locking mechanisms that fall still are equipped with brake equipment between, brake equipment includes cross arm, arresting gear and starting drive, the cross arm both ends respectively with two automatic locking mechanism top fixed connection that fall, the cross arm downside is equipped with two sets of arresting gear, is equipped with starting drive between two arresting gear, starts arresting gear through starting drive and hinders the sliding motion of cat ladder on the cable, reaches the braking action.
The braking device comprises a suspension rod, a slide ring, an inclined plane and a rubber brake block, wherein the lower side of the cross arm is fixedly connected with the suspension rod, the suspension rod is fixedly connected with the slide ring, the slide rod runs through the two slide rings and is connected with the slide ring in a sliding way, the inner end of the slide rod is provided with the inclined plane, the outer end of the slide rod is fixedly connected with the rubber brake block, and the slide ring far away from the automatic locking mechanism is connected with the slide rod through a tension spring; the starting device comprises a brake structure, a pull rod and a handle ring, wherein the upper end of the pull rod penetrates through the cross arm and is in sliding connection with the cross arm, the lower end of the pull rod is fixedly connected with the handle ring, the pull rod is provided with the brake structure, and the brake structure is positioned above an inclined plane arranged at the inner end of the slide rod.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. this electric power cat ladder simple structure, convenient operation, long service life is favorable to improving maintenance efficiency.
2. This electric power cat ladder is when using, with automatic locking mechanism hook that falls on the wire, realizes the auto-lock through the lock piece on the couple, arranges the wire in the enclosure space on couple upper portion to firmly hang this electric power cat ladder on waiting to overhaul the wire, compare in traditional with ordinary insulating ladder through the electric power cat ladder of insulating rope hoist and mount on cross arm or wire, improved electric power maintenance efficiency greatly.
3. The electric crawling ladder is provided with the rotating part at the top part of the crawling ladder, and the automatic locking mechanism is arranged at the top part of the rotating part, so that the electric crawling ladder can be applied to high-voltage wire maintenance; when the automatic locking mechanism is screwed out of the top of the rotating part, the rest ladder stand and the rotating part combination part can be used as a common ladder stand, and the practicability is improved.
4. Through first pull rod and second pull rod threaded connection, be convenient for adjust the joint gap between couple and the lock piece, guarantee couple and wire connection's stability, no landing phenomenon, the security is high.
5. The electric crawling ladder can freely move and stop on the wire by means of the arrangement of the brake device, and the use safety of the electric crawling ladder is improved.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a left side view of the idle state of the present invention;
FIG. 3 is a left side view of the working state of the present invention;
FIG. 4 is an assembly view of a ladder and a rotator according to the present invention;
FIG. 5 is an assembled cross-sectional view of a ladder and a rotator of the present invention;
FIG. 6 is a schematic structural view of the automatic lock-down mechanism of the present invention;
FIG. 7 is a schematic view of the structure of the present invention with brake;
FIG. 8 is a partial schematic view of the brake configuration of FIG. 7;
fig. 9 is an enlarged view of a structure shown in fig. 8.
In the figure: the ladder stand comprises a ladder stand body, a riser 1-1, a transverse pipe 1-2, a contraction opening 1-3, a rotating piece 2-1, an external thread 2-2, a blind hole 2-3, a groove 2-4, a through hole 3-an automatic lock-falling mechanism 4-a connecting piece 5-a first bolt, a kidney-shaped hole 6-7, a hook 8-a pulley 9-a second bolt 10-a third bolt 11-a locking piece 12-a fourth bolt 13-a first pull rod 14-a second pull rod 15-a brake device 16-a cross arm 17-a brake structure 18-a suspension rod 19-a slide rod 20-a slip ring 21-a tension spring 22-an inclined plane 23-a pull rod 24-a pull ring and a rubber brake pad 25.
Detailed Description
Referring to fig. 1-9, the utility model relates to an electric power cat ladder with automatic locking structure that falls in area has cat ladder body 1, still including rotating member 2 and automatic locking mechanism 3 that falls, cat ladder body one end and rotating member lower extreme rotate to be connected, rotating member upper end and automatic locking mechanism screw thread fixed connection that falls.
In this embodiment, the ladder body comprises two vertical pipes 1-1 and a plurality of transverse pipes 1-2, and both ends of all the transverse pipes are fixedly connected with the two vertical pipes.
In this embodiment, the top of the vertical tube is provided with a contraction opening 1-3.
In the embodiment, the rotating part is shaped like a Chinese character 'ji', the outer part of the upper end of the rotating part is provided with an external thread 2-1, the inner part of the upper end of the rotating part is provided with a blind hole 2-2, the outer part of the lower end of the rotating part is provided with a circle of grooves 2-3, the inner part of the lower end of the rotating part is provided with a through hole 2-4, the through hole is communicated with the blind hole, and.
In this embodiment, the number of the rotating member and the number of the automatic lock-down mechanisms are two.
In this embodiment, the automatic locking mechanism that falls includes connecting piece 4, first bolt 5, waist type hole 6, couple 7, third bolt 10, locking piece 11, fourth bolt 12, first pull rod 13 and second pull rod 14, the inside connecting thread that is equipped with of connecting piece lower extreme, connecting piece pass through connecting thread and rotating member top threaded connection, the upper end of connecting piece and the lower extreme sliding connection of couple, the couple lower extreme is equipped with waist type hole, first bolt runs through connecting piece and waist type hole setting in proper order, the outer wall of connecting piece is articulated with the one end of second pull rod, the other end and the first pull rod threaded connection of second pull rod, and first pull rod rotates through fourth bolt and locking piece to be connected, and the locking piece rotates through third bolt and couple to be connected.
In the embodiment, a spring is arranged in the waist-shaped hole, the lower end of the spring is arranged to be clung to the bottom of the waist-shaped hole, and the upper end of the spring is arranged to be clung to the first bolt.
In the embodiment, the upper end of the hook is in an inverted U shape, a pulley 8 is arranged in the hook, and the pulley is arranged at the upper end of the hook through a second bolt 9; the couple passes through the lock piece and forms the enclosure space, can also design into double pulley and install when in actual use.
In this embodiment, a brake device 15 is further arranged between the two automatic locking mechanisms, the brake device includes a cross arm 16, a brake device and a start device, two ends of the cross arm are respectively fixedly connected with the tops of the two automatic locking mechanisms 3, two sets of brake devices are arranged on the lower side of the cross arm, the start device is arranged between the two brake devices, and the start device is used for starting the brake devices to prevent the ladder from sliding on the cable, so that a braking effect is achieved.
The braking device in the embodiment comprises a suspension rod 18, a sliding rod 19, a sliding ring 20, an inclined surface 11 and a rubber brake pad 25, wherein the suspension rod is fixedly connected to the lower side of the cross arm, the suspension rod is fixedly connected with the sliding ring, the sliding rod penetrates through the two sliding rings and is in sliding connection with the sliding rings, the inclined surface is arranged at the inner end of the sliding rod, the outer end of the sliding rod is fixedly connected with the rubber brake pad, and the sliding ring far away from the automatic locking mechanism is connected with the sliding rod through a; the starting device comprises a brake structure 17, a pull rod 23 and a handle ring 24, wherein the upper end of the pull rod penetrates through the cross arm and is in sliding connection with the cross arm, the lower end of the pull rod is fixedly connected with the handle ring, the brake structure is arranged on the pull rod, and the brake structure is positioned above an inclined plane arranged at the inner end of the slide rod.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. this electric power cat ladder simple structure, convenient operation, long service life is favorable to improving maintenance efficiency.
2. This electric power cat ladder is when using, with automatic locking mechanism hook that falls on the wire, realizes the auto-lock through the lock piece on the couple, arranges the wire in the enclosure space on couple upper portion to firmly hang this electric power cat ladder on waiting to overhaul the wire, compare in traditional with ordinary insulating ladder through the electric power cat ladder of insulating rope hoist and mount on cross arm or wire, improved electric power maintenance efficiency greatly.
3. The electric crawling ladder is provided with the rotating part at the top part of the crawling ladder, and the automatic locking mechanism is arranged at the top part of the rotating part, so that the electric crawling ladder can be applied to high-voltage wire maintenance; when the automatic locking mechanism is screwed out of the top of the rotating part, the rest ladder stand and the rotating part combination part can be used as a common ladder stand, and the practicability is improved.
4. Through first pull rod and second pull rod threaded connection, be convenient for adjust the joint gap between couple and the lock piece, guarantee couple and wire connection's stability, no landing phenomenon, the security is high.
5. The electric crawling ladder can freely move and stop on the wire by means of the arrangement of the brake device, and the use safety of the electric crawling ladder is improved.
It should be noted that, the utility model relates to an electric power cat ladder of automatic locking structure that falls in area, there are two kinds of user state, a user state is used for high voltage circuit's maintenance, rotating member 2 with cat ladder body 1 top passes through external screw thread 2-1 and automatic locking hook 3 threaded connection that falls before the use, when carrying out high-voltage line maintenance, only need hang automatic locking mechanism 3 on the wire, because cat ladder 1 self gravity, can pull down connecting piece 4, connecting piece 4 stimulates locking piece 11 right-hand member indirectly through first pull rod 13 and second pull rod 14, make this electric power cat ladder become operating condition (as shown in fig. 3) by idle state (as shown in fig. 2), seal the wire in 7 tops by the confined space of couple 7 and locking piece 11 formation, guarantee couple and wire connection's stability, no sliding phenomenon, the security is high. The second use state is that the automatic locking mechanism 3 in the first use state is removed, the automatic locking mechanism 3 is screwed out of the top of the rotating part 2, and the rest combined part of the ladder stand body 1 and the rotating part 2 can be used as a common ladder stand, so that the practicability is improved. A brake device can be arranged between the two automatic locking mechanisms, when the brake device 15 works, only the handle ring 24 needs to be pulled by hands, the brake structure 17 extrudes the slide bar 19 to two sides, the rubber brake block 25 at the outer end of the slide bar 19 is clamped into one side of the pulley 8, the pulley 8 is prevented from rolling on a wire, and the brake effect is achieved; when the brake needs to be released, the hand ring 24 is pushed and pulled upwards, and under the action of the tension spring 21, the rubber brake pad moves away from the pulley 8, so that the brake can be released.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides an electric power cat ladder of automatic locking structure that falls in area has cat ladder body, its characterized in that: the ladder stand is characterized by further comprising a rotating part and an automatic locking mechanism, one end of the ladder stand body is rotatably connected with the lower end of the rotating part, and the upper end of the rotating part is fixedly connected with the automatic locking mechanism through threads.
2. The electric ladder stand with the automatic locking structure as claimed in claim 1, wherein: the cat ladder body is including two standpipe and a plurality of violently pipes, all both ends of violently managing jointly with two standpipe fixed connection.
3. The electric ladder stand with the automatic drop lock structure as claimed in claim 2, wherein: and the top of the vertical pipe is provided with a contraction opening.
4. The electric ladder stand with the automatic locking structure as claimed in claim 1, wherein: the rotating part is in a's' shape, external threads are arranged on the outer portion of the upper end of the rotating part, blind holes are formed in the rotating part, a circle of grooves are formed in the outer portion of the lower end of the rotating part, through holes are formed in the rotating part, the blind holes are communicated through the through holes, and the grooves are rotatably connected with the ladder stand body.
5. The electric ladder stand with the automatic locking structure as claimed in claim 1, wherein: the number of the rotating pieces and the number of the automatic locking mechanisms are two respectively.
6. The electric ladder stand with the automatic locking structure as claimed in claim 1, wherein: the automatic lock mechanism that falls is including connecting piece, first bolt, waist type hole, couple, third bolt, locking piece, fourth bolt, first pull rod and second pull rod, the inside connecting thread that is equipped with of connecting piece lower extreme, connecting piece pass through connecting thread and rotating member top threaded connection, the upper end of connecting piece and the lower extreme sliding connection of couple, the couple lower extreme are equipped with waist type hole, first bolt runs through connecting piece and waist type hole setting in proper order, the outer wall of connecting piece and the one end of second pull rod are articulated, the other end and the first pull rod threaded connection of second pull rod, and first pull rod rotates with the locking piece through fourth bolt and connects, and the locking piece rotates with the couple through the third bolt and connects.
7. The electric ladder stand with the automatic drop lock structure as claimed in claim 6, wherein: the waist-shaped hole is internally provided with a spring, the lower end of the spring is arranged to be clung to the bottom of the waist-shaped hole, and the upper end of the spring is arranged to be clung to the first bolt.
8. The electric ladder stand with the automatic drop lock structure as claimed in claim 6, wherein: the upper end of the hook is in an inverted U shape, a pulley is arranged in the hook, and the pulley is arranged at the upper end of the hook through a second bolt; the hook forms a closed space through the locking piece.
9. The electric ladder stand with the automatic locking structure as claimed in any one of claims 1 to 8, wherein: still be equipped with brake equipment between two automatic locking mechanisms that fall, brake equipment includes cross arm, arresting gear and starting drive, the cross arm both ends respectively with two automatic locking mechanism top fixed connection that fall, the cross arm downside is equipped with two sets of arresting gear, is equipped with starting drive between two arresting gear, blocks the sliding motion of cat ladder on the cable through starting drive arresting gear start-up arresting gear, reaches the braking action.
10. The electric ladder stand with the automatic drop lock structure as claimed in claim 9, wherein: the braking device comprises a suspension rod, a sliding ring, an inclined plane and a rubber brake pad, wherein the lower side of the cross arm is fixedly connected with the suspension rod, the suspension rod is fixedly connected with the sliding ring, the sliding rod penetrates through the two sliding rings and is in sliding connection with the sliding rings, the inner end of the sliding rod is provided with the inclined plane, the outer end of the sliding rod is fixedly connected with the rubber brake pad, and the sliding ring far away from the automatic locking mechanism is connected with the sliding rod through a; the starting device comprises a brake structure, a pull rod and a handle ring, wherein the upper end of the pull rod penetrates through the cross arm and is in sliding connection with the cross arm, the lower end of the pull rod is fixedly connected with the handle ring, the pull rod is provided with the brake structure, and the brake structure is positioned above an inclined plane arranged at the inner end of the slide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920281888.9U CN210134796U (en) | 2019-03-06 | 2019-03-06 | Electric power cat ladder of automatic locking structure that falls in area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920281888.9U CN210134796U (en) | 2019-03-06 | 2019-03-06 | Electric power cat ladder of automatic locking structure that falls in area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210134796U true CN210134796U (en) | 2020-03-10 |
Family
ID=69702431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920281888.9U Active CN210134796U (en) | 2019-03-06 | 2019-03-06 | Electric power cat ladder of automatic locking structure that falls in area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210134796U (en) |
-
2019
- 2019-03-06 CN CN201920281888.9U patent/CN210134796U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201139880Y (en) | Slow drop-down apparatus for high-rise | |
| CN210134796U (en) | Electric power cat ladder of automatic locking structure that falls in area | |
| CN102916367A (en) | Maintenance block for vertical twin bundled conductors | |
| CN205489289U (en) | Cable stone tongs | |
| CN204626929U (en) | Attachment type raise scaffold | |
| CN205385244U (en) | Have a power failure or electrified specialized tool who changes 220kV conductor spacer | |
| CN209489953U (en) | A kind of window wiping robot safety rope sling | |
| CN206940257U (en) | Novel mechanical equipment hoisting frame | |
| CN112144943B (en) | Wire pole with safety function of preventing falling | |
| CN206595631U (en) | A kind of transmission line of electricity servicing unit | |
| CN215416028U (en) | Optical fiber distributing box for communication engineering construction | |
| CN213329965U (en) | Seat plate type single-person sling translation device | |
| CN204615267U (en) | With the rope ladder head of self-locking device | |
| CN210828242U (en) | Lifting device for building water and electricity construction | |
| CN202696057U (en) | Improved rope ladder head | |
| CN204208203U (en) | Escape device | |
| CN209601975U (en) | A kind of derrick crane shock absorption buffering mechanism | |
| CN209203131U (en) | It can be used for the locking disconnected structure of wirerope of hoisting system | |
| CN203017598U (en) | Simple centrifugation mechanism type escaping speed regulation slow down system | |
| CN209161352U (en) | A kind of displacement suspension cable type lifting device | |
| CN216451126U (en) | Power cable fixing device | |
| CN208869123U (en) | A kind of novel villa ladder steel structure derrick | |
| CN206730408U (en) | Climb pipe device | |
| CN210918191U (en) | Cantilever device of wall-attached scaffold for building construction | |
| CN220848896U (en) | Safe hanging structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |