CN107420025A - Portable damping telescopic ladder - Google Patents

Portable damping telescopic ladder Download PDF

Info

Publication number
CN107420025A
CN107420025A CN201710760274.4A CN201710760274A CN107420025A CN 107420025 A CN107420025 A CN 107420025A CN 201710760274 A CN201710760274 A CN 201710760274A CN 107420025 A CN107420025 A CN 107420025A
Authority
CN
China
Prior art keywords
vertical rod
subordinate
higher level
cross bar
telescopic ladder
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.)
Pending
Application number
CN201710760274.4A
Other languages
Chinese (zh)
Inventor
王海振
靳辉
梁健
魏磊
贺常昊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Cangzhou Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Cangzhou Power Supply Co of State Grid Hebei Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Hebei Electric Power Co Ltd, Cangzhou Power Supply Co of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201710760274.4A priority Critical patent/CN107420025A/en
Publication of CN107420025A publication Critical patent/CN107420025A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/04Ladders for resting against objects, e.g. walls poles, trees
    • E06C1/08Ladders for resting against objects, e.g. walls poles, trees multi-part
    • E06C1/12Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
    • E06C1/125Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic with tubular longitudinal members nested within each other
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/397Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/06Securing devices or hooks for parts of extensible ladders
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/08Special construction of longitudinal members, or rungs or other treads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

The invention discloses a kind of portable damping telescopic ladder, including two vertical rods, cross bar, universal wheel and the rubber feet for being arranged on bottom of upright rod;Vertical rod includes hollow subordinate's vertical rod and higher level's vertical rod;It is provided with subordinate's vertical rod under subordinate's vertical rod and is perforated in perforation and subordinate's vertical rod, is provided with higher level's vertical rod under higher level's vertical rod and is perforated in perforation and higher level's vertical rod.Damping sleeve is set with higher level's vertical rod of the present invention, higher level's vertical rod and subordinate's vertical rod formation damping slip, falling speed when ladder shrinks can effectively be reduced, pre- finger, work of electricity anti-stealing is set more effectively to carry out, vertical rod of the present invention can be stretched and shortened, and the extensible member set inside each cross bar has automatic lock function, it ensure that the safety of workmen, after higher level's vertical rod is collapsible into subordinate's vertical rod of its underpart when not in use, whole cross bars are bonded to together by band, when carrying, this extension ladder of storage can be fallen, universal wheel side is set to contact ground, moved by universal wheel, it is more laborsaving.

Description

Portable damping telescopic ladder
Technical field
The present invention relates to a kind of portable damping telescopic ladder.
Background technology
Ladder, daily life toolses, the instrument do side by two root long thick bar, and scansorial cross bar is crossed in centre, use In climbing, ladder is divided into the single ladder of lifting and lifting double ladder, and power utility check is an important step of power supply enterprise, direct relation To the quality of power supply enterprise's management performance.Low pressure power utility check class is responsible for the low pressure power utility check work of power network, and site environment is past It is past intricate, it is necessary to could more preferably be looked into surreptitiously using ladder.Traditional structure of telescopic ladder is unreasonable, and step is small, falls speed after rise Degree is fast, easily extrudes finger, potential safety hazard be present.
The content of the invention
It is an object of the invention to provide a kind of portable damping telescopic ladder.
To achieve these goals, the technical scheme that the present invention takes is as follows:
A kind of portable damping telescopic ladder, including two vertical rods, be connected between two vertical rods cross bar, be arranged on vertical rod bottom Universal wheel and be arranged on the rubber feet of bottom of upright rod;
The vertical rod includes hollow subordinate's vertical rod and is sleeved on higher level's vertical rod hollow in subordinate's vertical rod;
It is provided with subordinate's vertical rod under subordinate's vertical rod and is perforated in perforation and subordinate's vertical rod;
It is provided with higher level's vertical rod under higher level's vertical rod and is perforated in perforation and higher level's vertical rod.
As a further improvement on the present invention, the cross bar includes interior empty cross bar body, to be arranged on cross bar intrinsic Extensible member and the resigning hole for being arranged on cross bar body both sides.
As a further improvement on the present invention, the extensible member is included positioned at intrinsic two connecting plates of cross bar, connection Compression spring member between two connecting plate opposing inner end faces, the spacing kelly being fixedly connected on connecting plate outer face and The sliding switch being fixedly connected on connecting plate inner face.
As a further improvement on the present invention, the spacing kelly diameter of section is not more than resigning hole aperture, described spacing Kelly is set in resigning hole.
As a further improvement on the present invention, the card to match with sliding switch is arranged on the cross bar body lower surface Connect slideway;
The clamping slideway is provided with the fixing hole for the locating slip switch being bent to form.
As a further improvement on the present invention, it is provided with band on the cross bar body of vertical rod bottommost.
Compared with prior art, having the beneficial effect that acquired by the present invention:
Damping sleeve, higher level's vertical rod and subordinate's vertical rod formation damping slip are set with higher level's vertical rod of the present invention, vertical rod of the present invention can Stretched and shortened as fishing bar is identical, and the extensible member set inside each cross bar has automatic lock function, it is ensured that construction The safety of personnel, when not in use, compression spring member is compressed by sliding switch, spacing kelly is received into cross bar body Portion, higher level's vertical rod are retracted in subordinate's vertical rod, will by band after all higher level's vertical rods are collapsible into subordinate's vertical rod of its underpart Whole cross bars are bonded to together, when carrying, this extension ladder of storage can be fallen, and universal wheel side is contacted ground, and rely on Universal wheel moves, more laborsaving.The present invention is facilitated with and deposited very much, can be placed in the closet of family, in study, under bed Or in the boot of car;Suitable for the repairing of city power circuit, protection is newly-built, and transformer station's repairing, meter reading are used, and respectively Indispensable ladder of ascending a height during the vehicle field works such as kind repairing wrecking truck, circuit inspection car, command car.The present invention can be reduced effectively Falling speed when ladder shrinks, pre- finger, makes work of electricity anti-stealing more effectively carry out.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the present invention;
Accompanying drawing 2 is the structural representation of contraction state of the present invention;
Accompanying drawing 3 is the structural representation of extended configuration of the present invention;
Accompanying drawing 4 is the cross section structure diagram of cross bar of the present invention;
Accompanying drawing 5 is the cross section structure diagram of higher level's vertical rod of the present invention;
Accompanying drawing 6 is the structural representation of clamping slideway of the present invention.
In the accompanying drawings:
Perforated under the vertical rod of 1 subordinate, 2 universal wheels, 3 higher level's vertical rods, 4 rubber feets, 5 cross bar bodies, 6 bands, the vertical rod of 7 subordinates, on 8 Perforation, 9 compression spring member, 10 connecting plates, 11 spacing kellies, 12 resigning holes, 13 fixing holes, 14 sliding switches, 15 under level vertical rod Perforation, 16 clamping slideways in higher level's vertical rod.
Embodiment
Further details of narration is carried out to the present invention below in conjunction with accompanying drawing.
As shown in figures 1-6, a kind of portable damping telescopic ladder, including two vertical rods, be connected between two vertical rods Cross bar, the universal wheel 2 for being arranged on vertical rod bottom and the rubber feet 4 for being arranged on bottom of upright rod;The vertical rod includes hollow Subordinate's vertical rod 1 and it is sleeved on higher level's vertical rod 3 hollow in subordinate's vertical rod 1;It is provided with subordinate's vertical rod and wears in subordinate's vertical rod 1 Perforated in hole 7 and subordinate's vertical rod;It is provided with higher level's vertical rod 3 under higher level's vertical rod in perforation 8 and higher level's vertical rod and perforates 15.Institute Stating cross bar includes interior empty cross bar body 5, the extensible member being arranged in cross bar body 5 and is arranged on the both sides of cross bar body 5 Resigning hole 12.The extensible member includes two connecting plates 10 in the cross bar body 5, to be connected to two connecting plates 10 relative Compression spring member 9 between inner face, the spacing kelly 11 being fixedly connected on the outer face of connecting plate 10 and it is fixedly connected on Sliding switch 14 on the inner face of connecting plate 10.The diameter of section of spacing kelly 11 is not more than the aperture of resigning hole 12, the limit Position kelly 11 is set in resigning hole 12.The clamping to match with sliding switch 14 is arranged on the lower surface of cross bar body 5 Slideway 16;The clamping slideway 16 is provided with the fixing hole 13 for the locating slip switch 14 being bent to form.Positioned at vertical rod bottommost The cross bar body 5 on be provided with band 6.
Extension ladder is manufactured from light-duty epoxy resin, and its insulation degree can arrive at 500KV, when being satisfied with power worker's work Insulation need.Damping sleeve is set with higher level's vertical rod 3 of the present invention, higher level's vertical rod 3 forms damping with subordinate's vertical rod 1 and slided, this Invention vertical rod can be stretched and shortened as fishing bar is identical, and the length after shortening is in 0.7 meter of domination, and the height after stretching is up to 4 Rice dominates, and the component of insulating telescopic ladder only needs 6-10 kilograms of domination, and every meter of the extension ladder weighs about 2.75 kilograms, and component is significantly less than Produced by yellow square tube 4 kilograms every meter of reason, handled former commodity it is clumsy, with not convenient harm;Every meter acceptable 200 Kilogram impulsive force;Elongation can be to 2 meters, 2.5 meters, 3 meters, 3.5 meters, 3.8 meters, 4 meters, and shortening can be to 60-90 centimetres;It is and each horizontal The extensible member set inside bar has automatic lock function, it is ensured that the safety of workmen, when not in use, is switched by sliding 14 compress compression spring member 9, and spacing kelly 11 is received into inside cross bar body 5, and higher level's vertical rod 3 is retracted in subordinate's vertical rod 1, After all higher level's vertical rods 3 are collapsible into subordinate's vertical rod 1 of its underpart, whole cross bars are bonded to together by band 6, carried When, this extension ladder of storage can be fallen, and the side of universal wheel 2 is contacted ground, moved by universal wheel 2, it is more laborsaving.This Invention is facilitated with and deposited very much, can be placed in the closet of family, in study, under bed or in the boot of car;It is applicable In the repairing of city power circuit, protection is newly-built, and transformer station's repairing, meter reading are used, and various repairing wrecking trucks, circuit inspection Indispensable ladder of ascending a height during the vehicle field work such as car, command car.
Embodiment described above is only the preferred embodiments of the present invention, and the simultaneously exhaustion of the feasible implementation of non-invention.It is right For persons skilled in the art, on the premise of without departing substantially from the principle of the invention and spirit to any aobvious made by it and The change being clear to, it should all be contemplated as falling with the claims of the present invention.

Claims (6)

  1. A kind of 1. portable damping telescopic ladder, it is characterised in that:It includes two vertical rods, the horizontal stroke being connected between two vertical rods Bar, the universal wheel for being arranged on vertical rod bottom(2)And it is arranged on the rubber feet of bottom of upright rod(4);
    The vertical rod includes hollow subordinate's vertical rod(1)Be sleeved on subordinate's vertical rod(1)Interior hollow higher level's vertical rod(3);
    Subordinate's vertical rod(1)On be provided with subordinate's vertical rod and perforate(7)With perforated in subordinate vertical rod;
    Higher level's vertical rod(3)On be provided with higher level's vertical rod and perforate(8)Perforated with higher level's vertical rod(15).
  2. 2. portable damping telescopic ladder according to claim 1, it is characterised in that:The cross bar includes interior empty cross bar sheet Body(5), be arranged on cross bar body(5)Interior extensible member and it is arranged on cross bar body(5)The resigning hole of both sides(12).
  3. 3. portable damping telescopic ladder according to claim 2, it is characterised in that:The extensible member includes being located at cross bar sheet Body(5)Two interior connecting plates(10), be connected to two connecting plates(10)Compression spring member between opposing inner end face(9), it is solid Surely it is connected to connecting plate(10)Spacing kelly on outer face(11)And it is fixedly connected on connecting plate(10)Cunning on inner face Remove pass(14).
  4. 4. portable damping telescopic ladder according to claim 3, it is characterised in that:The spacing kelly(11)Diameter of section No more than resigning hole(12)Aperture, the spacing kelly(11)It is set in resigning hole(12)It is interior.
  5. 5. portable damping telescopic ladder according to claim 4, it is characterised in that:The cross bar body(5)On lower surface It is arranged at and is switched with sliding(14)The clamping slideway to match(16);
    The clamping slideway(16)It is provided with the locating slip switch being bent to form(14)Fixing hole(13).
  6. 6. portable damping telescopic ladder according to claim 5, it is characterised in that:Positioned at the cross bar of vertical rod bottommost Body(5)On be provided with band(6).
CN201710760274.4A 2017-08-30 2017-08-30 Portable damping telescopic ladder Pending CN107420025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710760274.4A CN107420025A (en) 2017-08-30 2017-08-30 Portable damping telescopic ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710760274.4A CN107420025A (en) 2017-08-30 2017-08-30 Portable damping telescopic ladder

Publications (1)

Publication Number Publication Date
CN107420025A true CN107420025A (en) 2017-12-01

Family

ID=60435307

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710760274.4A Pending CN107420025A (en) 2017-08-30 2017-08-30 Portable damping telescopic ladder

Country Status (1)

Country Link
CN (1) CN107420025A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110005333A (en) * 2019-04-19 2019-07-12 国家电网有限公司 Telescopic insulating ladder
CN110453967A (en) * 2019-08-12 2019-11-15 常州朗卓机电科技有限公司 Mast auto-unlocking device
CN111963045A (en) * 2020-08-26 2020-11-20 笪艺 Portable full-telescopic single ladder
CN112027296A (en) * 2020-07-28 2020-12-04 安徽鑫诺医疗设备有限公司 Adjusting mechanism of telescopic transportation isolation cabin

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203499542U (en) * 2013-08-08 2014-03-26 福建军鹏特种装备科技有限公司 Portable extension ladder
CN203769429U (en) * 2014-03-31 2014-08-13 国家电网公司 Self-locking guard bar for power equipment
CN104350293A (en) * 2012-06-11 2015-02-11 雅马哈株式会社 Hinge device and housing
WO2015018661A1 (en) * 2013-08-09 2015-02-12 Patentselskabet Af 10. December 2010 Aps Collapsible ladder
CN205172208U (en) * 2015-10-19 2016-04-20 菲尼克斯亚太电气(南京)有限公司 Safety lock and use electric automobile charging plug of this safety lock

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104350293A (en) * 2012-06-11 2015-02-11 雅马哈株式会社 Hinge device and housing
CN203499542U (en) * 2013-08-08 2014-03-26 福建军鹏特种装备科技有限公司 Portable extension ladder
WO2015018661A1 (en) * 2013-08-09 2015-02-12 Patentselskabet Af 10. December 2010 Aps Collapsible ladder
CN203769429U (en) * 2014-03-31 2014-08-13 国家电网公司 Self-locking guard bar for power equipment
CN205172208U (en) * 2015-10-19 2016-04-20 菲尼克斯亚太电气(南京)有限公司 Safety lock and use electric automobile charging plug of this safety lock

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110005333A (en) * 2019-04-19 2019-07-12 国家电网有限公司 Telescopic insulating ladder
CN110453967A (en) * 2019-08-12 2019-11-15 常州朗卓机电科技有限公司 Mast auto-unlocking device
CN112027296A (en) * 2020-07-28 2020-12-04 安徽鑫诺医疗设备有限公司 Adjusting mechanism of telescopic transportation isolation cabin
CN111963045A (en) * 2020-08-26 2020-11-20 笪艺 Portable full-telescopic single ladder

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Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20171201

RJ01 Rejection of invention patent application after publication