CN207315209U

CN207315209U - Track electric power overhaul insulated hook ladder

Info

Publication number: CN207315209U
Application number: CN201721280008.3U
Authority: CN
Inventors: 胡伊男
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-30
Filing date: 2017-09-30
Publication date: 2018-05-04
Anticipated expiration: 2027-09-30

Abstract

A kind of track electric power overhaul instrument is the utility model is related to, specifically a kind of track electric power overhaul insulated hook ladder；Including insulation ladder bars and insulation treadle, insulation ladder bars upper end is equipped with insulating hanger, the cross section of the insulation ladder bars is into flute profile, notch is positioned at the back of insulation ladder bars, the notch of two eradication edge ladder bars is connected with lock, the cross section of the lock surrounds the L-shaped cavity of afterbody opening, the lateral wall of the L-shaped cavity cladding notch of lock, the top and bottom of the L-shaped cavity are all provided with fluted, it is provided with groove and protrudes from groove and slide the shrapnel to connect with insulation ladder bars, restraint strap is provided between the lock, the bottom of at least one insulation ladder bars is hinged with a sliding sleeve by universal joint, sliding sleeve is installed with anti-skidding leveling bar, anti-skidding leveling bar is fixed by locking device；Using the track electric power overhaul insulated hook ladder of the technical program, it can prevent user of service from falling, antiskid function is strong and can be used on uneven ground.

Description

Track electric power overhaul insulated hook ladder

Technical field

A kind of track electric power overhaul instrument is the utility model is related to, specifically a kind of track electric power overhaul is hung with insulation Ladder.

Background technology

In order to ensure the safe operation of track power equipment and transmission line of electricity, staff usually requires periodically to be examined Repair, maintenance process usually requires operation of ascending a height, and is hotline maintenance, therefore usually needs to use insulating ladder, compares in insulating ladder More typically insulated hook ladder of the top with hook, it can be directly hooked in equipment, so as to ensure to consolidate.

In the routine work of track electric power overhaul, although insulated hook ladder disclosure satisfy that the major part of staff is ascended a height and need Ask, but following some shortcomings are remained in actually using：

One, when insulated hook ladder can not hook some wait the equipment for maintenance of ascending a height, it usually needs as common hanging ladder Use, this is that it is typically required for other people and buttresses, and to avoid slip, and sometimes due to ground is uneven, it is on the ground Easily tilt, endanger the security of user.

Two, when staff climbs up insulated hook ladder, fall in order to prevent, it usually needs take a hand to buttress ladder Son, can only so vacate a hand and be operated, and much operate it is generally necessary to which two hands are operated and completed jointly, therefore are worked Personnel usually when carrying out these operations, face and fall risk.

Utility model content

The purpose of this utility model is to provide one kind to prevent user of service from falling, and antiskid function is strong and can be The track electric power overhaul insulated hook ladder that uneven ground uses.

To achieve these goals, the utility model provides a kind of technical solution, i.e. track electric power overhaul insulated hook ladder, The insulation treadle for including the insulation ladder bars of two vertical installation settings and being fixed between two ladder bars, described two thoroughly do away with edge The upper end of ladder bars is equipped with insulating hanger, and into flute profile, notch is provided in insulation ladder bars back for the cross section of the insulation ladder bars , the notch of two eradication edge ladder bars is connected with lock, and the cross section of the lock surrounds the L-shaped cavity of afterbody opening, lock L-shaped cavity cladding notch lateral wall and at least half of exterior bottom wall, the top and bottom of the L-shaped cavity be equipped with recessed Groove, is provided with groove and protrudes from groove and slide the shrapnel to connect with insulation ladder bars, restraint strap is provided between the lock, Restraint strap surrounds user of service；The bottom of at least one insulation ladder bars is hinged with a sliding sleeve, institute by universal joint State sliding sleeve and be installed with an anti-skidding leveling bar, which is fixed by locking device.

There are following features using the track electric power overhaul insulated hook ladder of technical solutions of the utility model：Due to two eradications The notch of edge ladder bars is connected with lock, and restraint strap is provided between the lock, and restraint strap surrounds user of service, in this way, When user of service can by lock and restraint strap oneself is fixed on insulated hook ladder, both hands can be vacateed at this time and grasped Make, specifically since the cross section of the lock surrounds the L-shaped cavity of afterbody opening, the L-shaped cavity cladding notch of lock Lateral wall and at least half of exterior bottom wall, the top and bottom of L-shaped cavity be all provided with it is fluted, be provided with groove protrude from it is recessed Groove simultaneously slides the shrapnel that connects with insulation ladder bars, when user of service tenses restraint strap by the support of waist or leg, about Band pulls lock and extrusion elastic, so that shrapnel is absorbed in groove, lock has larger area to contact with insulation ladder bars at this time, from And realize lock and the auto lock of insulation ladder bars, prevent personnel from falling；Lead to additionally, due to the bottom of at least one insulation ladder bars Cross universal joint and be hinged with a sliding sleeve, an anti-skidding leveling bar is installed with sliding sleeve, anti-skidding leveling bar can pass through locking device To be locked, so when insulated hook ladder as common inclined ladder in use, can be by adjusting anti-skidding leveling bar and sliding sleeve Relative position, not only can effectively avoid the uneven part on ground, but also add ladder to have the contact area on ground therefore Antiskid effect is more preferable.

As preferable scheme, the upper surface of the insulation treadle is also fixed with tread plate.

Preferably, the insulating hanger is provided with two, and symmetrical, and two insulating hangers pass through connecting rod It is integrally fixed, insulating hanger lower hinge can so increase the integral strength of insulating hanger in the upper end of insulation ladder bars, At the same time when insulated hook ladder is without using hook, by turning down backward user of service can be allowed to seek connections with arm above, with Further increase the security of user of service.

Further, the anti-skidding leveling bar is provided at both ends with antiskid insulation rubber cushion.

Further, the front and rear camber of the shrapnel, the glide direction of lock is identical with the tangent line of arc-shaped side, so can be with Shrapnel and the frictional force for the ladder bars that insulate further are reduced, ensures that the slip of lock is smooth.

Preferably, the front and rear side of the shrapnel is respectively and fixedly provided with non-slip mat.

Further, length-adjustment buckle is provided with the restraint strap, and restraint strap is more at least fixedly connected on use The waist of person.

Brief description of the drawings

Fig. 1 is the structure diagram of the utility model embodiment track electric power overhaul insulated hook ladder；

Fig. 2 is the another structure diagram of the track electric power overhaul insulated hook ladder of the utility model embodiment；

Fig. 3 is the lock position cross-sectional view of the track electric power overhaul insulated hook ladder of the utility model embodiment.

Wherein, insulate ladder bars 1, and insulate treadle 2, insulating hanger 3, connecting rod 31, lock 4, eyelet 41, non-slip mat 43, Shrapnel 5, restraint strap 6, adjusting buckle 61, sliding sleeve 7, anti-skidding leveling bar 71.

Embodiment

The utility model is described in further detail with reference to the accompanying drawings and detailed description：

：The utility model provides a kind of track electric power overhaul insulated hook ladder, for overhauling The common power equipment such as transformer, insulated hook ladder include two eradication edge ladder bars 1, and the insulation that is fixed between the ladder bars 1 that insulate is stepped on Bar 2, insulation ladder bars 1 with insulation treadle 2 can use metallic framework and surface coat insulating materials, but herein preferred fiberglass into Type, the upper end of two eradication edge ladder bars 1 are connected with insulating hanger 3 in articulated manner, and insulating hanger 3 is in left and right insulation ladder bars 1 On be symmetrical arranged, connected between two insulating hangers 3 by integrally formed connecting rod 31, the preferred glass steel of insulating hanger 3 Matter, can set metal web frame to further improve intensity inside it, when without using the hook of insulated hook ladder, such as Ladder only is leaned in use, can stir insulating hanger 3 backward as general, user of service is sought connections with arm Above；The cross section for the ladder bars 1 that insulate is located at its back into flute profile, the notch of insulation ladder bars 1, and two thoroughly do away with the notch of edge ladder bars 1 The lock 4 of clamping is mounted on, the cross section for latching 4 defines the L-shaped body of afterbody opening, and lock 4 can select engineering plastics Proof strength is molded, the outer edge for latching 4 offers eyelet 41, latches the lateral wall and at least of 4 L-shaped cavity cladding notch The exterior bottom wall of half, the top and bottom of L-shaped cavity be all provided with it is fluted, be fixed with groove protrude from groove and with the ladder bars that insulate The shrapnel 5 to connect is slided, the effect of shrapnel 5 is primarily to erect lock 4, to reduce lock 4 and the contact surface of insulation ladder bars 1 Product, reduces both frictional force under normal condition, is connected with restraint strap 6 between lock 4, restraint strap 6 can select common Buddhist nun Tengential belt, restraint strap 6 passes through eyelet 41, and user of service is surrounded.

In addition the bottom of at least one insulation ladder bars 1 is hinged with a sliding sleeve 7 by universal joint, and one is installed with sliding sleeve 7 The anti-skidding leveling bar 71 of root, the both ends bottom line of anti-skidding leveling bar 71 should be higher than that sliding sleeve 7, to ensure that anti-skidding leveling bar 71 can prop up Sliding sleeve 7 is propped up, sliding sleeve 7 and anti-skidding leveling bar 71 can use engineering plastics to manufacture, with conditions of proof strength and insulation Reduce cost, the relative position of sliding sleeve 7 and anti-skidding leveling bar 71 keeps fixing by common locking device, herein selection tradition Trip bolt.

In order to reduce the possibility that the foot of user of service is slided with the treadle 2 that insulate, ensure the safety of user of service, most Fortunately tread plate 21 is fixed in the upper surface of insulation treadle, and tread plate 21 can be fixed by glue or screw with insulation treadle 2 Connection.

In order to further ensure antiskid effect, the both ends of anti-skidding leveling bar 71 can also fix antiskid insulation rubber cushion 72.

In order to further reduce shrapnel 5 and the frictional force for the ladder bars 1 that insulate, ensure the slip smoothness of lock 4, shrapnel 5 The front and rear arc made to groove inner bending, while one end of shrapnel is fixed on lock 4, while in order to ensure lock 4 It can preferably avoid sliding when restrained band 6 tenses, the front and rear side of shrapnel 5 is respectively and fixedly provided with non-slip mat 43, and non-slip mat 43 is solid It is scheduled on lock 4, non-slip mat 43 can also be provided in the one side that lock 4 connects with pocket bottom in addition.

In addition, in order to adjust the length of restraint strap 6, it can be adapted it to not with installation and adjustment button 61 on 6 on restraint strap Same user, restraint strap 6 will at least have some waist for being fixedly connected on user, and such restraint strap can pull lock 4 Automatically user is followed to move.

So worked with insulated hook ladder using the track electric power overhaul of technical solutions of the utility model：Work as user of service Being moved into place needs to vacate both hands when being worked, and body can be made to tense restraint strap 6 by supporting waist or leg, this When restraint strap 6 can pull lock 4 to extrude its internal shrapnel 5,5 stress of shrapnel and be absorbed in groove, while the front and rear side of shrapnel 5 Non-slip mat 43 directly contacted with insulation ladder bars 1, so as to produce larger activity frictional force, realize lock 4 and insulation ladder bars 1 Lock, user of service forms a firm entirety by restraint strap 6 and insulated hook ladder at this time, is constrained when user of service unclamps During band, then shrapnel 5 supports lock 4 again so that non-slip mat 43 is separated with insulation ladder bars 1, so that lock 4 can be along exhausted Edge ladder bars 1 are easily slided；In addition when above-mentioned insulated hook ladder tilted as common ladder by wall or against equipment in use, Its contact position with ground is changed by the flexible and rotation of anti-skidding leveling bar 71, so that the uneven pit on ground is avoided, Then anti-skidding leveling bar 71 and sliding sleeve 7 are directly locked by trip bolt, in addition anti-skidding leveling bar 71 not only increases ladder The sub overall contact area with ground, also increases supporting point, therefore antiskid effect is more preferable beyond 1 axis of ladder bars that insulate.

Above-mentioned shrapnel 5 can also be substituted using the roller that can be stretched, so that sliding friction is changed into rolling friction；

Above-mentioned lock 4 can reduce frictional force, arc with the position that insulation 1 side wall of ladder bars connects by setting arc convex Shape protrusion can be processed in a manner of integrally formed；

The anti-skidding leveling bar 71 of above-mentioned locking can be respectively provided with sliding sleeve 7 in two eradication edge ladder bars, 1 bottom, under normal conditions The needs of anti-skidding and leveling can be met by being set in an eradication edge ladder bars 1.

The preferred embodiment of the application utility model is described above in association with attached drawing, known specific knot in scheme The general knowledge such as structure and characteristic is herein without the excessive description of work.It should be pointed out that the utility model is not limited to described embodiment, For those of ordinary skill in the art, on the premise of the utility model principle and spirit is not departed from, to these implementations Mode makes simple deformation, modification and replacement, still falls within the scope of protection of the utility model.

Claims

1. a kind of track electric power overhaul insulated hook ladder, including two vertically arranged insulation ladder bars and be fixed on two ladder bars it Between insulation treadle, it is described insulation ladder bars upper end be provided with insulating hanger, it is characterised in that：The transversal of ladder bars of insulating Face is into flute profile, and for notch positioned at the back of insulation ladder bars, the notches of two eradication edge ladder bars are connected with lock, the lock it is transversal Face surrounds the L-shaped cavity of afterbody opening, the lateral wall of the L-shaped cavity cladding notch of lock and at least half of exterior bottom wall, the L The top and bottom of shape cavity are all provided with fluted, are provided with groove and protrude from groove and slide the bullet that connects with insulation ladder bars Piece, is provided with restraint strap between the lock, restraint strap surrounds user of service；The bottom of at least one insulation ladder bars leads to Cross universal joint and be hinged with a sliding sleeve, the sliding sleeve is installed with an anti-skidding leveling bar, which passes through locking device It is fixed.

2. track electric power overhaul insulated hook ladder according to claim 1, it is characterised in that：The upper table of the insulation treadle Face is equipped with tread plate.

3. track electric power overhaul insulated hook ladder according to claim 1, it is characterised in that：Described insulating hanger or so pair Title is provided with two, and two insulating hangers are integrally fixed by connecting rod, and insulating hanger lower hinge is upper insulation ladder bars End.

4. the track electric power overhaul insulated hook ladder according to claim 1,2 or 3, it is characterised in that：The anti-skidding leveling Bar is provided at both ends with antiskid insulation rubber cushion.

5. the track electric power overhaul insulated hook ladder according to claim 1,2 or 3, it is characterised in that：Before the shrapnel Camber afterwards, the tangent line of the glide direction of the lock along its arc-shaped side.

6. track electric power overhaul insulated hook ladder according to claim 5, it is characterised in that：The front and rear side of the shrapnel is equal It is fixed with non-slip mat.

7. track electric power overhaul insulated hook ladder according to claim 5, it is characterised in that：It is provided with the restraint strap Length-adjustment buckle, and restraint strap is more at least fixedly connected on the waist of user.