CN212027635U

CN212027635U - A power maintenance aluminum alloy ladder for ascending a height

Info

Publication number: CN212027635U
Application number: CN202020322590.0U
Authority: CN
Inventors: 甄崇民
Original assignee: Shandong Fangneng Electric Manufacturing Co ltd
Current assignee: Shandong Fangneng Electric Manufacturing Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-11-27
Anticipated expiration: 2030-03-16

Abstract

The utility model relates to the technical field of ladders, in particular to a power maintenance aluminum alloy ladder for ascending, which solves the defects that the upper end of an overhaul ladder is lack of an effective fixing or limiting mechanism, the contact area of the bottom end and the ground is small and a tool is inconvenient to take in the prior art, and comprises a main ladder and an auxiliary ladder, wherein one side of two side upright posts of the main ladder is welded with a slide rail, one side of the two side upright posts of the auxiliary ladder is connected with the slide rail in a sliding way, the top of the main ladder is provided with a hook at the tail ends of the two upright posts at both sides, and the outer side of the upright post at one side of the upper part of the main ladder is provided with a lifting mechanism. The use safety is improved.

Description

A power maintenance aluminum alloy ladder for ascending a height

Technical Field

The utility model relates to a ladder technical field especially relates to a power maintenance aluminum alloy ladder for ascending a height.

Background

At electric power maintenance operation in-process, especially when inspection wire pole transmission line, often need use electric power maintenance ladder to ascend a height the operation, current maintenance ladder upper end lacks effectual fixed or stop gear, maintenance ladder easily topples over or sideslips and emptys when staff's working amplitude is great, danger is great, bottom and the little messenger of ground area of contact when maintenance ladder is put maintenance ladder bottom take place gliding condition easily, the staff of eminence operation needs other maintenance tools and need return to the maintenance ladder after the ground instrument of taking when not carrying on one's body, work efficiency has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the upper end of the maintenance ladder is short of an effective fixing or limiting mechanism, a bottom end and a ground contact area, and the taking tool is inconvenient, and providing the power maintenance aluminum alloy ladder for ascending.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a power maintenance aluminum alloy ladder for ascending comprises a main ladder and an auxiliary ladder, wherein slide rails are welded on one sides of stand columns on two sides of the main ladder, one sides of the stand columns on two sides of the auxiliary ladder are connected with the slide rails in a sliding mode, a cross beam is horizontally welded between the two stand columns on two sides of the top of the main ladder, an arc-shaped frame is installed in the middle of the cross beam, hooks are installed at the tail ends of the two stand columns on two sides of the top of the main ladder, a lifting mechanism is installed on the outer side of the stand column on one side of the upper portion of the main ladder and comprises a bottom plate, a storage reel, a pull rope and a lifting hook, the storage reel is horizontally installed on the upper portion of one side of the bottom plate, one end of the pull rope is connected with the interior of the storage reel and is used for storing the pull rope, the lifting hook, the spring is installed respectively to the inside both sides of mounting groove, two the outside at shell fragment both ends is connected respectively to the end of spring.

Preferably, the hook further comprises a fixed sleeve and a sleeve ring, the sleeve ring is welded in the middle of one side of the fixed sleeve, the sleeve ring is sleeved on the lower portion of one side of the hook, and the fixed sleeve is sleeved on the upper end of the main ladder stand column.

Preferably, the lifting mechanism comprises a hand wheel, a guide groove, a guide wheel set and a fixing seat, the hand wheel is installed on the outer side of the storage winding drum, the guide groove is fixed on the lower portion of one side of the bottom plate through the fixing seat, and the guide wheel set is installed inside the guide groove.

Preferably, the guide wheel group comprises six leading wheels, the leading wheel of guide wheel group and stay cord are to the contact and be the S form with the stay cord location, the guide way is the S form, the fixing base passes through bolted connection bottom plate.

Preferably, the elastic sheet is arc-shaped, two sides of the elastic sheet are punched into planes which are parallel to each other, and the arc-shaped frame is semicircular.

Preferably, rubber pads are adhered to the upper portions of the main ladder and the cross beam of the auxiliary ladder, and the bottom plate is connected with the stand column on one side of the main ladder through bolts.

Preferably, a rotating shaft is installed in a through hole formed in the bottom ends of the upright columns on the two sides of the attached ladder, and the rotating shaft is horizontally welded in the middle of the supporting legs.

The utility model has the advantages that: the hook arranged on the two sides of the upper part of the main ladder is used for hanging rod-shaped articles such as a cross beam and a cross rod at a high position when a line is overhauled, so that the shaking or separation of the upper end of the main ladder from a supporting surface is reduced, the using safety of the ladder is improved, the tightening part consisting of the elastic sheet and the spring and arranged in the mounting groove at the inner side of the hook tightens the rod-shaped articles such as the cross beam or the cross rod when the hook is hung on the rod-shaped articles such as the cross beam or the cross rod, the shaking of the ladder is avoided, the using safety is improved, the contact area between the; utilize the hand wheel to rotate and accomodate the reel and accomodate the instrument of stay cord with ground and promote the upper end of main ladder, the staff of being convenient for in time acquires the maintenance instrument, improves maintenance efficiency.

Drawings

Fig. 1 is a schematic structural view of a power maintenance aluminum alloy ladder for ascending according to the present invention;

fig. 2 is a schematic structural view of a lifting mechanism of a power maintenance aluminum alloy ladder for ascending according to the present invention;

fig. 3 is the utility model provides a couple structural schematic for ascending a height power maintenance aluminum alloy ladder.

In the figure: the main ladder 1, the auxiliary ladder 2, the slide rail 3, the lifting mechanism 4, the cross beam 5, the arc-shaped frame 6, the hook 7, the support leg 8, the rotating shaft 9, the bottom plate 41, the storage reel 42, the hand wheel 43, the guide groove 44, the pull rope 45, the guide wheel set 46, the lifting hook 47, the fixed seat 48, the hook 71, the fixed sleeve 72, the lantern ring 73, the mounting groove 74, the elastic sheet 75 and the spring 76.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the power maintenance aluminum alloy ladder for ascending comprises a main ladder 1 and an auxiliary ladder 2, wherein one side of upright columns at two sides of the main ladder 1 is welded with a slide rail 3, one side of upright columns at two sides of the auxiliary ladder 2 is connected with the slide rail 3 in a sliding manner, and the main ladder 1 and the auxiliary ladder 2 which are connected in a sliding manner by the slide rail 3 are convenient for lengthening the length of the ladder to meet the requirement of maintenance when the length of the main ladder 1 is insufficient; a cross beam 5 is horizontally welded between two upright posts on two sides of the top of the main ladder 1, an arc-shaped frame 6 is installed in the middle of the cross beam 5, and the arc-shaped frame 6 is clamped on the outer side of the telegraph pole when the circuit on the telegraph pole is overhauled, so that the upper part of the main ladder 1 is fully limited, the sliding of the upper part of the main ladder 1 is reduced, the stability of the arrangement of the main ladder 1 and the auxiliary ladder 2 is improved, and the safety of workers is ensured; the hooks 7 are arranged at the tail ends of the two upright posts on the two sides of the top of the main ladder 1, and the hooks 7 are arranged on the maintenance platform to hook a cross beam or a frame on the edge of the platform, so that the placing stability and firmness of the ladder are improved; a lifting mechanism 4 is arranged on the outer side of the upright column on one side of the upper part of the main ladder 1, and the lifting mechanism 4 is convenient for high-position workers to take maintenance tools provided by ground personnel; the lifting mechanism 4 comprises a bottom plate 41, a storage reel 42, a pull rope 45 and a lifting hook 47, the storage reel 42 is horizontally arranged on the upper portion of one side of the bottom plate 41, the interior of the storage reel 42 is connected with one end of the pull rope 45 and stores the pull rope 45, the tail end of the pull rope 45 is provided with the lifting hook 47, the hook 7 comprises a hook 71, a mounting groove 74, an elastic sheet 75 and springs 76, the mounting groove 74 is formed in the inner side of the hook body of the hook 71 along the axial direction of the hook, the springs 76 are respectively arranged on two sides inside the mounting groove 74, the tail ends of the two springs 76 are respectively connected with the outer sides of two ends of the elastic sheet 75, the hooks 7 arranged on two sides of the upper portion of the main ladder 1 hang rod-shaped objects such as beams, cross rods and the like at high positions when a line is overhauled, the shaking or the supporting surface at the upper end of the main ladder 1 is reduced, the using safety of the ladder, avoid the ladder to rock, improve the security of using, do benefit to the staff and overhaul the circuit.

Further, the hook 7 further comprises a fixing sleeve 72 and a lantern ring 73, the lantern ring 73 is welded in the middle of one side of the fixing sleeve 72, the lantern ring 73 is sleeved on the lower portion of one side of the hook 71, the fixing sleeve 72 is sleeved on the upper end of the upright post of the main ladder 1, the fixing sleeve 72 is connected with the upright post of the main ladder 1, the lantern ring 73 is connected with the hook 71, and therefore the mounting efficiency of the hook 7 is improved.

Further, hoist mechanism 4 includes hand wheel 43, guide way 44, guide pulley group 46 and fixing base 48, hand wheel 43 installs in the outside of accomodating reel 42, guide way 44 passes through fixing base 48 and fixes the lower part in bottom plate 41 one side, guide pulley group 46 installs the inside at guide way 44, hand wheel 43 conveniently rotates fast and accomodates reel 72, guide way 44 installation guide pulley group 46, guide pulley group 46 leads the moving direction of stay cord 45, hand wheel 43 rotates accomodates reel 42 and accomodates stay cord 45 and promote the instrument on ground to the upper end of main ladder 1, the staff of being convenient for in time acquires the maintenance instrument, the efficiency of overhaul is improved.

Further, the guide wheel set 46 is composed of six guide wheels, the guide wheels of the guide wheel set 46 are in contact with the pull rope 45 and position the pull rope 45 in an S shape, the guide groove 44 is in an S shape, and the fixed seat 48 is connected with the bottom plate 41 through a bolt.

Further, the elastic sheet 75 is arc-shaped, two sides of the elastic sheet are punched into planes which are parallel to each other, the arc-shaped frame 6 is semicircular, and the arc-shaped elastic sheet 75 is convenient to contact with a cross beam and the like.

Furthermore, rubber pads are adhered to the upper parts of the beams of the main ladder 1 and the auxiliary ladder 2, the bottom plate 41 is connected with the upright columns on one side of the main ladder 1 through bolts, and the rubber pads improve friction force.

Further, attach 2 both sides stand bottom of ladder through-hole in the installation pivot 9 of seting up, pivot 9 horizontal welding is in the centre of stabilizer blade 8, and the stabilizer blade 8 that attaches 2 bottoms of ladder and ground area of contact through pivot 9 rotation connection are big, improve the stability that the ladder was put.

In the embodiment, the main ladder 1 and the auxiliary ladder 2 are connected in a sliding manner through the sliding rails 3, so that the auxiliary ladder 2 can be unfolded to increase the length of the ladder when the length of the main ladder 1 is insufficient, and the electric wire line at a high position can be conveniently overhauled, the hooks 7 arranged on two sides of the upper part of the main ladder 1 can be used for hanging rod-shaped objects such as a cross beam and a cross rod at the high position when the line is overhauled, the shaking or separation of the upper end of the main ladder 1 from a supporting surface is reduced, the using safety of the ladder is improved, the tightening part consisting of the elastic sheet 75 and the spring 76 and arranged in the mounting groove 74 at the inner side of the hook 71 can tighten the rod-shaped objects such as the cross beam or the cross rod when the hook 7; the support legs 8 at the bottom end of the auxiliary ladder 2 which are rotatably connected by the rotating shaft 9 have large contact area with the ground, so that the placing stability of the ladder is improved; release hoist mechanism 4's storage reel 42 when the staff needs other maintenance tools, stay cord 45 releases fast and makes lifting hook 47 stop after reaching the height that ground staff can hang the instrument fast, and the staff hangs the instrument and puts in lifting hook 47 lower part, and operating personnel rotates storage reel 42 through hand wheel 43 and accomodates stay cord 45 and promote the upper end of main ladder 1 with the instrument, and the staff of being convenient for in time acquires the maintenance instrument, improves maintenance efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a power maintenance aluminum alloy ladder for ascending a height, includes main ladder (1) and attaches ladder (2), its characterized in that, the welding of one side of main ladder (1) both sides stand has slide rail (3), one side sliding connection slide rail (3) of attaching ladder (2) both sides stand, horizontal welding has crossbeam (5) at main ladder (1) top between two stands of both sides, the mid-mounting of crossbeam (5) has arc frame (6), couple (7) are installed at two stand ends of main ladder (1) top both sides, hoist mechanism (4) are installed to the stand outside of main ladder (1) upper portion one side, hoist mechanism (4) include bottom plate (41), accomodate reel (42), stay cord (45) and lifting hook (47), accomodate reel (42) horizontal mounting in the upper portion of bottom plate (41) one side, accomodate the one end of the internal connection stay cord (45) of reel (42) and accomodate stay cord (45), lifting hook (47) are installed to the end of stay cord (45), couple (7) are including crotch (71), mounting groove (74), shell fragment (75) and spring (76), mounting groove (74) have been seted up along its axis direction to interior survey of crotch (71) coupler body, spring (76), two are installed respectively to the inside both sides of mounting groove (74) the outside at shell fragment (75) both ends is connected respectively to the end of spring (76).

2. The power maintenance aluminum alloy ladder for ascending according to claim 1, wherein the hook (7) further comprises a fixing sleeve (72) and a collar (73), the collar (73) is welded to the middle of one side of the fixing sleeve (72), the collar (73) is sleeved on the lower portion of one side of the hook (71), and the fixing sleeve (72) is sleeved on the upper end of the upright of the main ladder (1).

3. The power maintenance aluminum alloy ladder for ascending according to claim 1, wherein the lifting mechanism (4) comprises a hand wheel (43), a guide groove (44), a guide wheel group (46) and a fixing seat (48), the hand wheel (43) is installed on the outer side of the storage reel (42), the guide groove (44) is fixed on the lower portion of one side of the bottom plate (41) through the fixing seat (48), and the guide wheel group (46) is installed inside the guide groove (44).

4. The power maintenance aluminum alloy ladder for ascending according to claim 3, wherein the guide wheel set (46) consists of six guide wheels, the guide wheels of the guide wheel set (46) are in contact with the pulling rope (45) and position the pulling rope (45) in an S shape, the guide groove (44) is in an S shape, and the fixed seat (48) is connected with the bottom plate (41) through a bolt.

5. The power maintenance aluminum alloy ladder for ascending according to claim 1, wherein the elastic sheet (75) is arc-shaped, two sides of the elastic sheet are punched into planes which are parallel to each other, and the arc-shaped frame (6) is semicircular.

6. The power maintenance aluminum alloy ladder for ascending according to claim 1, wherein rubber pads are adhered to the upper parts of the cross beams of the main ladder (1) and the auxiliary ladder (2), and the bottom plate (41) is connected with the upright columns on one side of the main ladder (1) through bolts.

7. The power maintenance aluminum alloy ladder for ascending according to claim 1, wherein a rotating shaft (9) is installed in a through hole formed in the bottom end of the upright column at two sides of the auxiliary ladder (2), and the rotating shaft (9) is horizontally welded in the middle of the supporting leg (8).