阅读说明：本技术 一种变电站检修装置 (A kind of station device ) 是由 张龙峰 张学军 彭继涛 冯祎 武社伟 李朋 孙红彬 赵进朝 屈应良 张斌 孙玮皓 于 2019-09-27 设计创作，主要内容包括：一种变电站检修装置,涉及一种变电站检修用爬梯装置,通过在爬梯上下分别设置“F”杆和锁住的锁杆,并通过穿销或挂锁穿入下锁杆(21)的锁板B(56)的挂锁孔(55)后获取对杆体或悬空时的锁定；由连接杆A(40)获取上转动杆(36)和下转动杆(20)的联动；由连接杆B(51)获取上锁杆(48)和下锁杆(21)的联动；本发明通过在爬梯上下设置可以卡住绝缘子或杆体的“F”形杆和锁住的锁杆,获取了快速修复变电站中问题设备。(A kind of station device, it is related to a kind of station climbing ladder apparatus, penetrate the jam plate B(56 of lower locking bar (21) by the way that the locking bar of " F " bar and latching is respectively set above and below ladder, and by wearing pin or padlock) lock- receiving aperture (55) obtain afterwards to the body of rod or it is hanging when locking；By the linkage of rotating bar (36) and lower rotating bar (20) in connecting rod A(40) acquisition；The linkage of upper lock rod (48) and lower locking bar (21) is obtained by connecting rod B(51)；The present invention obtains by the locking bar in ladder " F " the shape bar that can block insulator or the body of rod and latching setting up and down and quickly repairs problem device in substation.)

1. a kind of station device, it is characterized in that: the inner end of upper rotating bar (36) is hingedly connected to one side lever of ladder upper end On the lateral surface of body (9), upper interior bar is respectively equipped with towards the middle part of the other side body of rod (10) and outer end in upper rotating bar (36) (4), upper outer bar (8), the inner end of upper lock rod (48) is hingedly connected on the lateral surface of the ladder upper end other side body of rod (10), described Upper lock rod (48) outer end is equipped with top and is equipped with jam plate A(47), the jam plate A(47) outer bar (8) end is arranged in insertion lockhole A (35) locking to insulator or the body of rod is formed；

The inner end of lower rotating bar (20) is hingedly connected on the lateral surface of the ladder lower end side body of rod (9), in lower rotating bar (20) Lower interior bar (16), lower outer bar (23), the inner end of lower locking bar (21) are respectively equipped with towards the middle part of the other side body of rod (10) and outer end It is hingedly connected on the lateral surface of the ladder lower end other side body of rod (10), lower locking bar (21) outer end is equipped with top and is equipped with jam plate B(56), the jam plate B(56) it is inserted into the lockhole B(41 of lower outer bar (23) end setting), jam plate B is penetrated by wearing pin or padlock (56) top setting lock- receiving aperture (55) formed afterwards to the body of rod or it is hanging when locking；

Attachment base A(37 is equipped in the middle part of the bottom surfaces of upper rotating bar (36)), connecting rod A(40) upper end upper connection sheet (39) it is logical Cross the pin shaft articulated connection attachment base A(37)；Attachment base B(42 is equipped in the middle part of the upper side of lower rotating bar (20)), connecting rod A (40) the lower connection sheet (43) of lower end is articulated and connected the attachment base B(42 by pin shaft) on, by turning in connecting rod A(40) acquisition The linkage of lever (36) and lower rotating bar (20)；

Attachment base C(49 is equipped in the middle part of the bottom surfaces of upper lock rod (48)), connecting rod B(51) upper binding head (50) of upper end passes through The pin shaft articulated connection attachment base C(49)；Attachment base D(54 is equipped in the middle part of the upper side of lower locking bar (21)), connecting rod B(51) The lower union joint (52) of lower end is articulated and connected the attachment base D(54 by pin shaft) on, upper lock rod is obtained by connecting rod B(51) (48) and the linkage of lower locking bar (21).

2. station device according to claim 1, it is characterized in that: in the side body of rod (9) and the other side body of rod (10) it is spaced between and is equidistantly equipped with more foot-driven levers (11).

3. station device according to claim 1, it is characterized in that: being equipped on side in the side body of rod (9) upper end Casing (2), the upper end of the other side body of rod (10) are equipped with casing (3) on the other side, casing (2) and casing on the other side on side (3) cross tube (1) is equipped between top；The lateral surface of casing (2) is equipped with door shape attachment base, upper rotating bar (36) on side Inner end be articulated and connected the door shape attachment base by axis；The lateral surface of casing (3) connects equipped with another door shape on the other side Joint chair, the inner end of upper lock rod (48) are articulated and connected another door shape attachment base by axis.

4. station device according to claim 1, it is characterized in that: in the case where the body of rod (9) lower end in side is equipped with side The lower end of casing (12), the other side body of rod (10) is equipped with other side setting of casing (15), and side setting of casing (12) and the other side are trapped The lower end of pipe (15) be separately fixed at sheer pole (13) in the two close end upper side；In side, the lateral surface of setting of casing (12) is set There is a door shape attachment base, the inner end of lower rotating bar (20) is articulated and connected the door shape attachment base by axis；Other side setting of casing (15) lateral surface is equipped with another door shape attachment base, and the inner end of lower locking bar (21) is articulated and connected another door shape by axis Attachment base.

5. station device according to claim 4, it is characterized in that: the both ends of sheer pole (13) are separately connected side The upper end of brace (14) and other side brace (17), the side brace (14) and other side brace (17) are in splayed structure.

6. station device according to claim 5, it is characterized in that: in side brace (14) and other side brace (17) lower end is respectively equipped with rubber antiskid block (24).

7. station device according to claim 1, it is characterized in that: the upper rotating bar (36) towards the other side The body of rod (10) face is equipped with outer rubber block A(5 equipped with the lateral surface of side rubber block A(6), upper interior bar (4)) and upper outer bar (8) Medial surface is equipped with interior rubber block A(7).

8. station device according to claim 7, it is characterized in that: in outer rubber block A(5) towards another side lever Body (10) side is equipped with inclined-plane；In interior rubber block A(7) towards the other side body of rod (10) side be equipped with inclined-plane；The outer rubber Block A(5) inclined-plane and interior rubber block A(7) inclined-plane the wealthy mouth towards the other side body of rod (10) is collectively formed.

9. station device according to claim 1, it is characterized in that: the lower rotating bar (20) towards the other side The body of rod (10) face is equipped with outer rubber block B(18 equipped with the lateral surface of side rubber block B(19), lower interior bar (16)) and lower outer bar (23) medial surface is equipped with interior rubber block B(22).

10. station device according to claim 9, it is characterized in that: in outer rubber block B(18) towards the other side The body of rod (10) side is equipped with inclined-plane；In interior rubber block B(22) towards the other side body of rod (10) side be equipped with inclined-plane；The outer rubber Blob of viscose B(18) inclined-plane and interior rubber block B(22) inclined-plane the wealthy mouth towards the other side body of rod (10) is collectively formed.

Technical field

The present invention relates to a kind of station climbing ladder apparatus, and specifically the present invention relates to a kind of station dresses It sets.

Background technique

It is known, the main function of substation be by power grid access electric power carry out transformation, adapted to by transformation factories and miness, The power demand of enterprises and institutions, residential area or commerce and trade enterprise；It is mainly terminal including 35kV in the grade of voltage transformation The minor scale power net transport model of substation is gradually developed into using extra-high voltage 1000kV substation and 500kV substation as hinge power transformation It stands, 220kV, 110kV substation are the substation of terminal；

In conjunction with substation's schematic diagram of attached drawing 10, the high-tension cable 57 on 74 cross-arm 58 of high pressure pylon of national grid is by drawing Enter in more upright bars 72 in substation's enclosure wall 73 access frame insulator hang string 59, access frame on be provided with lightning rod 60 and The equipment of fixed high-tension cable 57 conveys after transformation outward then by entering computer room 65 after multiple equipment；These equipment are high Voltage cable 57 enters the necessary equipment of computer room 65, mainly there is insulator 62,69 upper end of cement strut of 71 top hanger 61 of column On the sulfur hexafluoride breaker 63 of 70 upper pillar stand formula insulator chain of spreader, 68 upper end, 67 upper end V-arrangement insulator chain 66 of cement pillar Current transformer 64 it is equal " particular number and configuration are arranged according to the actual needs of substation "；The operations staff's of these equipment Main task is the operation to various equipment and line contacts, maintenance, test and tour；The walkaround inspection of substation is exactly to be worth Class personnel by the appearance of periodical inspection observation device are no different shape, if color has unchanged, have no-sundries, indicator indicates whether Normally, whether the sound of equipment is normal, there is smell without exception, touches whether the device temperature for allowing to contact is normal, and measurement is electric Whether the variation etc. of the operating parameter of gas equipment in operation, the operation conditions to judge equipment are normal；Pass through operator on duty's Regularly walkaround inspection understands equipment operation condition, grasps and is operating abnormally, and takes corresponding measure in time, for reducing accident Generation and its coverage be of great significance.

For going wrong in above-mentioned walkaround inspection, operator on duty needs to report rapidly and starts to break according to scheduling instruction Electricity and upkeep operation, it is existing to climb since the outdoor equipment of substation hangs by insulator or be in mostly insulator upper end Ladder can not climb up carry out operation, and liftable Operation Van can not also approach in view of equipment interval, this is to restrict quickly resume power supply Main problem.

Summary of the invention

In order to overcome the shortcomings in the background art, the invention discloses a kind of station devices, by ladder Lower setting can block " F " the shape bar of insulator or the body of rod and the locking bar of latching, and the problem in quickly reparation substation that obtains is set It is standby.

Realize that technical scheme is as follows:

A kind of station device, the inner end of upper rotating bar are hingedly connected on the lateral surface of the ladder upper end side body of rod, In Upper rotating bar is respectively equipped with upper interior bar, upper outer bar, the inner end articulated connection of upper lock rod towards the middle part of the other side body of rod and outer end On the lateral surface of the ladder upper end other side body of rod, the upper lock rod outer end is equipped with top and is equipped with jam plate A, the jam plate A insertion The lockhole A of upper outer boom end setting forms the locking to insulator or the body of rod；

The inner end of lower rotating bar is hingedly connected on the lateral surface of the ladder lower end side body of rod, in lower rotating bar towards another side lever The middle part and outer end of body are respectively equipped with lower interior bar, lower outer bar, and the inner end of lower locking bar is hingedly connected to the ladder lower end other side body of rod Lateral surface on, the lower locking bar outer end is equipped with top and is equipped with jam plate B, the lockhole that the lower outer boom end of jam plate B insertion is arranged B, by wear pin or padlock penetrate after the lock- receiving aperture of the top jam plate B setting formed to the body of rod or it is hanging when locking；

It is equipped with attachment base A in the middle part of the bottom surfaces of upper rotating bar, the upper connection sheet of the upper end connecting rod A is articulated and connected institute by pin shaft State attachment base A；Attachment base B is equipped in the middle part of the upper side of lower rotating bar, the lower connection sheet of the lower end connecting rod A is hingedly connected by pin shaft It connects on the attachment base B, by the linkage of rotating bar and lower rotating bar in connecting rod A acquisition；

Attachment base C is equipped in the middle part of the bottom surfaces of upper lock rod, the upper binding head of the upper end connecting rod B passes through described in pin shaft articulated connection Attachment base C；It is equipped with attachment base D in the middle part of the upper side of lower locking bar, the lower union joint of the lower end connecting rod B is articulated and connected institute by pin shaft It states on attachment base D, the linkage of upper lock rod and lower locking bar is obtained by connecting rod B.

The station device is spaced equidistantly foot-operated equipped with more between the side body of rod and the other side body of rod Bar.

The station device is equipped with casing on side in side body of rod upper end, and the upper end of the other side body of rod is set There is casing on the other side, is equipped with cross tube on side on casing and the other side between casing top；The outside of casing on side Face is equipped with door shape attachment base, and the inner end of upper rotating bar is articulated and connected the door shape attachment base by axis；Casing on the other side Lateral surface be equipped with another door shape attachment base, the inner end of upper lock rod is articulated and connected another door shape attachment base by axis.

The station device is equipped with side setting of casing in side body of rod lower end, and the lower end of the other side body of rod is set Have an other side setting of casing, the cased lower end of side setting of casing and the other side be separately fixed at sheer pole by two close end upper side On；In side, cased lateral surface is equipped with door shape attachment base, and the inner end of lower rotating bar is articulated and connected the door word by axis Shape attachment base；The cased lateral surface in the other side is equipped with another door shape attachment base, and the inner end of lower locking bar is articulated and connected by axis Another door shape attachment base.

The station device, the both ends of sheer pole are separately connected the upper end of side brace and other side brace, The side brace and other side brace are in splayed structure.

The station device, in side, the lower end of brace and other side brace is respectively equipped with rubber antiskid block.

The station device, the upper rotating bar towards other side body of rod face be equipped with side rubber block A, on The lateral surface of interior bar is equipped with outer rubber block A and the medial surface of upper outer bar is equipped with interior rubber block A.

The station device is equipped with inclined-plane towards other side body of rod side in outer rubber block A；In interior rubber Block A's is equipped with inclined-plane towards other side body of rod side；The inclined-plane of the outer rubber block A and the inclined-plane of interior rubber block A are collectively formed Towards the wealthy mouth of the other side body of rod.

The station device, the lower rotating bar towards other side body of rod face be equipped with side rubber block B, under The lateral surface of interior bar is equipped with outer rubber block B and the medial surface of lower outer bar is equipped with interior rubber block B.

The station device is equipped with inclined-plane towards other side body of rod side in outer rubber block B；In interior rubber Block B's is equipped with inclined-plane towards other side body of rod side；The inclined-plane of the outer rubber block B and the inclined-plane of interior rubber block B are collectively formed Towards the wealthy mouth of the other side body of rod.

By above disclosure, the beneficial effects of the present invention are:

Station device of the present invention, can be transformed existing ladder or completely new production, and when use can be by ladder The lower outer bar of lower part is lifted, and rotating bar is lifted up in the lower rotating bar of the synchronous promotion of connecting rod A at this moment, connecting rod A drive, is made The cement club shaft in insulator or substation is blocked by side with outer bar and upper interior bar, then lifts lower locking bar by connecting rod B drives upper lock rod uplink, and the lockhole B of outer bar, the jam plate A of upper lock rod are also inserted into outer bar under this jam plate B insertion of locking bar at present Lockhole A, locked using the lock- receiving aperture that the locking bar of padlock penetrates jam plate B, and lower part can be stuck between lower outer bar and lower interior bar Can also be hanging on cement pole, connecting rod A and connecting rod B can be withstood on spreader or in body of rod two sides, and construction personnel can climb Climb operation；The present invention obtains the climbing needs of a variety of construction environments, due to being provided with two " F " shape bars and jam plate on the outside of ladder B obtains the locking cylinder effect of the climbers of similar climbing electric pole, obtains the item for quickly repairing problem device in substation Part.

Detailed description of the invention

Fig. 1 is structural schematic diagram of the invention；

Fig. 2 is outside of sleeve face schematic perspective view on cross tube and two of the invention；

Fig. 3 is sheer pole and two setting of casing schematic perspective views of the invention；

Fig. 4 is upper " F " shape bar schematic perspective view of the invention；

Fig. 5 is the A direction view of Fig. 4；

Fig. 6 be it is of the invention under " F " shape bar schematic perspective view；

Fig. 7 is the B direction view of Fig. 6；

Fig. 8 is upper lock rod schematic perspective view of the invention；

Fig. 9 is lower locking bar schematic perspective view of the invention；

Figure 10 is capital equipment distribution and the structural schematic diagram of existing substation；

In figure: 1, cross tube；2, casing on side；3, casing on the other side；4, upper interior bar；5, outer rubber block A；6, side rubber Block A；7, interior rubber block A；8, upper outer bar；9, the side body of rod；10, the other side body of rod；11, foot-driven lever；12, side setting of casing；13, Sheer pole；14, side brace；15, other side setting of casing；16, lower interior bar；17, other side brace；18, outer rubber block B；19, side Rubber block B；20, lower rotating bar；21, lower locking bar；22, interior rubber block B；23, lower outer bar；24, rubber antiskid block；25, upper plate A； 26, vertical plate A；27, upper plate B；28, axis hole A；29, vertical plate B；30, upper plate C；31, axis hole B；32, vertical plate C；33, upper plate D；34, it stands Plate D；35, lockhole A；36, upper rotating bar；37, attachment base A；38, narrow boards A；39, upper connection sheet；40, connecting rod A；41, lockhole B； 42, attachment base B；43, lower connection sheet；44, axis hole C；45, narrow boards B；46, narrow boards C；47, jam plate A；48, upper lock rod；49, it connects Seat C；50, upper binding head；51, connecting rod B；52, lower union joint；53, narrow boards D；54, attachment base D；55, lock- receiving aperture；56, jam plate B；57, high-tension cable；58, cross-arm；59, insulator hangs string；60, lightning rod；61, hanger；62, insulator；63, sulfur hexafluoride is disconnected Road device；64, current transformer；65, computer room；66, V-arrangement insulator chain；67, cement pillar；68, column insulator chain；69, water Mud strut；70, spreader；71, column；72, upright bar；73, enclosure wall；74, high pressure pylon.

Specific embodiment

The present invention is further detailed below with reference to embodiment；The following examples are not for of the invention It limits, only as the mode for supporting realization of the invention, any equivalent structure in technological frame disclosed in this invention is replaced, It is protection scope of the present invention；

The station device in conjunction with described in attached drawing 1 to 9, when using the ladder of brand new as embodiment, " with ladder Climbing front is that inner face describes " on the narrow boards A38 of 36 inner end of rotating bar be hingedly connected to the outside of the ladder upper end side body of rod 9 On face, upper interior bar 4, upper outer bar 8, upper lock rod 48 are respectively equipped with towards the middle part of the other side body of rod 10 and outer end in upper rotating bar 36 Inner end be hingedly connected on the lateral surface of the ladder upper end other side body of rod 10,48 outer end of upper lock rod be equipped with top be equipped with lock Plate A47, the lockhole A35 of 8 end of outer bar setting forms the locking to insulator or the body of rod in the jam plate A47 insertion；

Or when to existing ladder as being transformed, in conjunction with attached drawing 1,2,4,5 or 8, casing on side is installed additional in 9 upper end of the side body of rod 2, the upper end of the other side body of rod 10 installs casing 3 on the other side additional, is equipped between 3 top of casing on casing 2 and the other side on side Cross tube 1；The lateral surface of casing 2 is equipped with door shape attachment base, that is, the door word formed using two Π shape steel on side Two Π shape steel are respectively welded at the outer top of casing 3 on casing 2 and the other side on side, wherein being welded on by shape attachment base The upper plate B27 on a Π shape steel top on side on the casing 2 and vertical plate B29 of two side lower part of upper plate B27, in two vertical plates Axis hole A28 is respectively set on B29, the narrow boards A38 of upper 36 inner end of rotating bar is hingedly connected to the door of Π shape steel formation using axis On font attachment base；Similarly, another Π shape steel of casing 3 is formed by upper plate A25 and two vertical plate A26 on the other side, uses axis The narrow boards C46 of 48 inner end of upper lock rod is hingedly connected on another door shape attachment base that another Π shape steel is formed；

It is spaced between the side body of rod 9 and the other side body of rod 10 and is equidistantly equipped with more foot-driven levers 11；

When using the ladder of brand new as embodiment, the inner end of lower rotating bar 20 is hingedly connected to the ladder lower end side body of rod On 9 lateral surface, lower interior bar 16, lower outer bar are respectively equipped with towards the middle part of the other side body of rod 10 and outer end in lower rotating bar 20 23, the inner end of lower locking bar 21 is hingedly connected on the lateral surface of the ladder lower end other side body of rod 10, and lower 21 outer end of locking bar is set There is top to be equipped with jam plate B56, the jam plate B56 is inserted into the lockhole B41 of lower 23 end of outer bar setting, penetrates lock by wearing pin or padlock The top plate B56 setting lock- receiving aperture 55 after formed to the body of rod or it is hanging when locking；

In conjunction with attached drawing 1,3,6,7 or 9 transformation pair existing ladder lower part, in side, 9 lower end of the body of rod is equipped with side setting of casing 12, separately The lower end of the side body of rod 10 is equipped with other side setting of casing 15, and the lower end of side setting of casing 12 and other side setting of casing 15 is fixed respectively In sheer pole 13 in two close end upper side；In side, the lateral surface of setting of casing 12 is equipped with door shape attachment base, and door shape connects Joint chair is namely to use Π shape steel, and two Π shape steel are respectively welded under side setting of casing 12 and other side setting of casing 15 End, two side lower part of upper plate C30 of one of Π shape steel are respectively equipped with vertical plate C32, and two vertical plate C32 are equipped with axis hole B31, and lower turn The narrow boards B45 of 20 inner end of lever is articulated and connected the door shape attachment base by axis；The upper plate D33 of other side setting of casing 15 and two The door shape attachment base of vertical plate D34 formation and the axis hole C44 of lower 21 inner end narrow boards D53 of locking bar are articulated and connected described another by axis Door shape attachment base.

Attachment base A37 is equipped in the middle part of the bottom surfaces of upper rotating bar 36, the upper connection sheet 39 of the upper end connecting rod A40 passes through pin The axis articulated connection attachment base A37；Attachment base B42 is equipped in the middle part of the upper side of lower rotating bar 20, under the lower end connecting rod A40 Connection sheet 43 is articulated and connected on the attachment base B42 by pin shaft, by rotating bar 36 in connecting rod A40 acquisition and lower rotating bar 20 Linkage；

Attachment base C49 is equipped in the middle part of the bottom surfaces of upper lock rod 48, the upper binding head 50 of the upper end connecting rod B51 is hinged by pin shaft Connect the attachment base C49；Attachment base D54, the lower union joint 52 of the lower end connecting rod B51 are equipped in the middle part of the upper side of lower locking bar 21 It is articulated and connected on the attachment base D54 by pin shaft, the linkage of upper lock rod 48 and lower locking bar 21 is obtained by connecting rod B51.

In conjunction with attached drawing 1 or 3, the application is in order to stop space, the both ends of sheer pole 13 to lower rotating bar 20 and lower locking bar 21 It is separately connected the upper end of side brace 14 and other side brace 17, the side brace 14 and other side brace 17 are in splayed knot Structure；In side, the lower end of brace 14 and other side brace 17 is respectively equipped with rubber antiskid block 24.

In conjunction with attached drawing 1,4 or 5, the upper rotating bar 36 towards 10 face of the other side body of rod be equipped with side rubber block A6, on The lateral surface of interior bar 4 is equipped with outer rubber block A5 and the medial surface of upper outer bar 8 is equipped with interior rubber block A7；Outer rubber block A5's Inclined-plane is equipped with towards 10 side of the other side body of rod；Inclined-plane is equipped with towards 10 side of the other side body of rod in interior rubber block A7；It is described The wealthy mouth towards the other side body of rod 10 is collectively formed in the inclined-plane of outer rubber block A5 and the inclined-plane of interior rubber block A7.

In conjunction with attached drawing 1,6 or 7, the lower rotating bar 20 towards 10 face of the other side body of rod be equipped with side rubber block B19, under The lateral surface of interior bar 16 is equipped with outer rubber block B18 and the medial surface of lower outer bar 23 is equipped with interior rubber block B22；In outer rubber block B18's is equipped with inclined-plane towards 10 side of the other side body of rod；It is oblique in being equipped with towards 10 side of the other side body of rod for interior rubber block B22 Face；The wealthy mouth towards the other side body of rod 10 is collectively formed in the inclined-plane of the outer rubber block B18 and the inclined-plane of interior rubber block B22.

Implement station device of the present invention, in conjunction with attached drawing 1 to 10, use process are as follows:

Structure listed by 10 with reference to the accompanying drawings, the equipment overhauled according to actual needs lift the lower outer bar 23 of ladder lower part, by The linkage of connecting rod A40, at this moment the interval between the upper outer bar 8 and upper interior bar 4 on ladder top corresponds to insulator or cement pole, and The also cement pole of corresponding support is spaced or under 68 spreader 70 of column insulator chain between lower outer bar 23 and lower interior bar 16 At this moment the hanging place in portion supports ground using side brace 14 and other side brace 17, side brace 14 is made after can also raising It is hanging with other side brace 17, then move ladder, make the insulator on top or cement pole enter upper outer bar 8 and upper interior bar 4 it Between, at this moment the outer rubber block A5 of upper outer bar 8, the interior rubber block A7 of upper interior bar 4 are in the front and back of insulator or cement pole, and above turn The side rubber block A6 of lever 36 is in the side of insulator or cement pole, then lifts lower locking bar 21 by connecting rod B51 drive Up, due to the jam plate B56 higher of lower locking bar 21, jam plate B56 will enter the lockhole B41 of lower outer bar 23 to locking bar 48, that is, Jam plate B56, which plays guiding function, makes the jam plate A47 of upper lock rod 48 can smoothly enter into the lockhole A35 of outer bar 8, locks in order to prevent Bar 48 and lower locking bar 21 glide, and are locked using the lock- receiving aperture 55 that the locking bar of padlock penetrates jam plate B56, and at this moment construction personnel can benefit Operation is climbed with ladder；The process for removing the application be after removing padlock under pull down locking bar 21, then move ladder be detached from insulation Son or cement pole；It, can be in the side body of rod 9 of ladder and another it should be noted that if when being ladder lower part hanging operation Wood block filler is put between side lever body 10 and connecting rod B51 and connecting rod A40.

Part not in the detailed description of the invention is the prior art.