CN207715072U - A kind of insulating ladder - Google Patents

Abstract

The utility model discloses a kind of insulating ladders, including the first ladder and supporting rod, the upper end of supporting rod is vertically connected with the first ladder, this insulating ladder is simple in structure, when needing to adjust height, turn knob, screw pushes head rod and moves right, second connecting rod extends to the right, after reaching certain position, stopping turns, at this time, the second ladder in sliding rail is pushed to move upwards, the first crossbar lower end of first ladder contradicts the upper end of the second connecting rod, the second connecting rod is pressed to move downward, when reaching certain altitude, under the screen resilience of torque spring, second connecting rod restores origin-location upwards, the lower end of second connecting rod contradicts the upper end of first crossbar, under the gravity of the second ladder, first crossbar engages the lower end of cocked hat, fix the height of the second ladder, substantially increase practicability.

Description

A kind of insulating ladder

Technical field

The utility model is related to technical field of electric power, specially a kind of insulating ladder.

Background technology

Insulating ladder is chiefly used in power engineering, communication engineering, electrical engineering, the special ascending tool such as hydroelectric project, and appearance is new Grain husk, it is beautiful and generous, have it is non-conductive, it is corrosion-resistant, resistance to it is dry and decayed, resistance to fade, be high-strength, lightweight, the features such as saturating magnetic pole is good, it good Insulation feature ensure that the life security of worker to the greatest extent, but insulating ladder currently on the market is all common fiberglass Composite structure, length are fixed, and when for higher power equipment maintaining, generally require to replace higher insulating ladder, for this purpose, it is proposed that A kind of insulating ladder.

Utility model content

The purpose of this utility model is to provide a kind of insulating ladders, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions：

The upper end of a kind of insulating ladder, including the first ladder and supporting rod, supporting rod is vertically connected with the first ladder, the first ladder Frame is made of two the first montants and multiple first crossbars, and the both ends of multiple first crossbars are vertically connected on two the first montant phases To side, the rear wall of two the first montants is respectively connected with sliding rail, and the notch of two sliding rails is oppositely arranged, two cunnings The both sides of the second ladder are slidably connected in rail, second ladder is made of two the second montants and multiple second crossbars, more The both ends of a second crossbar are vertically connected on two opposite sides of the second montant, two second montants it is opposite one Side is respectively connected with connecting plate, and connecting plate connects the middle part of head rod close to the side of the first ladder by spring, described The lower end of head rod is hinged on the side wall of the second montant, and the upper end of head rod reaches the inner cavity of cocked hat, institute The uncovered structure that cocked hat is lower ending opening is stated, and perforative first through hole, and first through hole are opened up in the middle part of the side wall of cocked hat In be plugged with shaft, upper end and the shaft of the head rod are rotatablely connected, and the second connecting rod of rotation socket in shaft One end, the other end downside of second connecting rod contradict the upper end of first crossbar, the head rod and the second connecting rod It is connected by torque spring, the second through-hole of perforation is offered on the connecting plate, and screw is threaded in the second through-hole, The ailhead of the screw contradicts the side wall of head rod, and fixing sleeve is connected to knob on the nut of screw.

Preferably, the lower end of the supporting rod is connected with multiple rubber antiskid gaskets, and the quantity of rubber antiskid gasket is not Less than four.

Preferably, the quantity of the first crossbar is no less than five, and multiple first crossbar equidistantly distributeds.

Preferably, the knob is equipped with bar shaped anti-skid chequer.

Compared with prior art, the utility model has the beneficial effects that：This insulating ladder is simple in structure, needs to adjust height When, knob is turned, screw pushes head rod and moves right, and the second connecting rod extends to the right, after reaching certain position, stops It turns, at this point, the second ladder in sliding rail is pushed to move upwards, the first crossbar lower end of the first ladder contradicts the second connecting rod Upper end presses the second connecting rod and moves downward, reach certain altitude when, under the screen resilience of torque spring, the second connecting rod to Upper recovery origin-location, the lower end of the second connecting rod contradicts the upper end of first crossbar, under the gravity of the second ladder, first Cross bar engages the lower end of cocked hat, fixes the height of the second ladder, substantially increases practicability.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model side view；

Fig. 3 is A structure enlargement diagrams.

In figure：First ladder 1, the first montant 101, first crossbar 102, supporting rod 2, sliding rail 3, the second ladder 4, second are perpendicular Bar 401, second crossbar 402, connecting plate 5, spring 6, head rod 7, shaft 8, the second connecting rod 9, cocked hat 10, screw 11, knob 12.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：

The upper end of a kind of insulating ladder, including the first ladder 1 and supporting rod 2, supporting rod 2 is vertically connected with the first ladder 1, branch The lower end of strut 2 is connected with multiple rubber antiskid gaskets, and the quantity of rubber antiskid gasket is no less than four, the first ladder 1 by Two the first montants 101 and multiple first crossbars 102 form, and the both ends of multiple first crossbars 102 are vertically connected on two first The opposite side of montant 101, the quantity of first crossbar 102 are no less than five, and 102 equidistantly distributed of multiple first crossbars, and two The rear wall of a first montant 101 is respectively connected with sliding rail 3, and the notch of two sliding rails 3 is oppositely arranged, sliding in two sliding rails 3 The both sides of the second ladder 4 are connected with, the second ladder 4 is made of two the second montants 401 and multiple second crossbars 402, Duo Ge The both ends of two cross bars 402 are vertically connected on two opposite sides of the second montant 401, the opposite side of two the second montants 401 It is respectively connected with connecting plate 5, and connecting plate 5 connects the middle part of head rod 7 close to the side of the first ladder 1 by spring, the The lower end of one connecting rod 7 is hinged on the side wall of the second montant 401, and the upper end of head rod 7 reaches the interior of cocked hat 10 Chamber, cocked hat 10 is the uncovered structure of lower ending opening, and opens up perforative first through hole, and first in the middle part of the side wall of cocked hat 10 Shaft 8 is plugged in through-hole, upper end and the shaft 8 of head rod 7 are rotatablely connected, and the second connection of rotation socket in shaft 8 One end of bar 9, the other end downside of the second connecting rod 9 contradict the upper end of first crossbar 102, and head rod 7 is connect with second Bar 9 is connected by torque spring, and the second through-hole of perforation is offered on connecting plate 5, and is threaded with screw in the second through-hole 11, the ailhead of screw 11 contradicts the side wall of head rod 7, and fixing sleeve is connected to knob 12, knob 12 on the nut of screw 11 It is equipped with bar shaped anti-skid chequer.

Operation principle：When needing to adjust height, knob 12 is turned, screw 11 pushes head rod 7 and moves right, and second Connecting rod 9 extends to the right, after reaching certain position, stops turning, at this point, the second ladder 4 in sliding rail 3 is pushed to move upwards, 102 lower end of first crossbar of first ladder 1 contradicts the upper end of the second connecting rod 9, presses the second connecting rod 9 and moves downward, and reaches When certain altitude, under the screen resilience of torque spring, the second connecting rod 9 restores origin-location, the lower end of the second connecting rod 9 upwards The upper end for contradicting first crossbar 102, under the gravity of the second ladder 4, first crossbar 102 engages the lower end of cocked hat 10, The height for fixing the second ladder 4, substantially increases practicability.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of insulating ladder, including the first ladder（1）And supporting rod（2）, supporting rod（2）Upper end be vertically connected with the first ladder （1）, the first ladder（1）By two the first montants（101）With multiple first crossbars（102）Composition, multiple first crossbars（102）'s Both ends are vertically connected on two the first montants（101）Opposite side, it is characterised in that：Two the first montants（101）Rear side Wall is respectively connected with sliding rail（3）, and two sliding rails（3）Notch be oppositely arranged, two sliding rails（3）Inside slidably connect second Ladder（4）Both sides, second ladder（4）By two the second montants（401）With multiple second crossbars（402）Composition, it is multiple The second crossbar（402）Both ends be vertically connected on two the second montants（401）Opposite side, two second montants （401）Opposite side is respectively connected with connecting plate（5）, and connecting plate（5）Close to the first ladder（1）Side connected by spring Head rod（7）Middle part, the head rod（7）Lower end be hinged on the second montant（401）Side wall on, and first Connecting rod（7）Upper end reach cocked hat（10）Inner cavity, the cocked hat（10）For the uncovered structure of lower ending opening, and triangle Cap（10）Side wall in the middle part of open up perforative first through hole, and shaft is plugged in first through hole（8）, the head rod （7）Upper end and shaft（8）Rotation connection, and shaft（8）Upper rotation is socketed the second connecting rod（9）One end, it is described second connect Extension bar（9）The other end on the downside of contradict first crossbar（102）Upper end, the head rod（7）With the second connecting rod（9）It is logical Cross torque spring connection, the connecting plate（5）On offer the second through-hole of perforation, and be threaded with screw in the second through-hole （11）, the screw（11）Ailhead contradict head rod（7）Side wall, and screw（11）Nut on fixing sleeve be connected to rotation Button（12）.

2. a kind of insulating ladder according to claim 1, it is characterised in that：The supporting rod（2）Lower end be connected with it is multiple Rubber antiskid gasket, and the quantity of rubber antiskid gasket is no less than four.

3. a kind of insulating ladder according to claim 1, it is characterised in that：The first crossbar（102）Quantity be no less than Five, and multiple first crossbars（102）Equidistantly distributed.

4. a kind of insulating ladder according to claim 1, it is characterised in that：The knob（12）It is equipped with bar shaped anti-skid chequer.