CN109184543A - A kind of pruning trees dedicated extension ladder - Google Patents
A kind of pruning trees dedicated extension ladder Download PDFInfo
- Publication number
- CN109184543A CN109184543A CN201811216832.1A CN201811216832A CN109184543A CN 109184543 A CN109184543 A CN 109184543A CN 201811216832 A CN201811216832 A CN 201811216832A CN 109184543 A CN109184543 A CN 109184543A
- Authority
- CN
- China
- Prior art keywords
- level
- seat
- fixedly connected
- hydraulic cylinder
- pedestal
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/24—Non-hinged free-standing ladders
- E06C1/28—Non-hinged free-standing ladders multi-part
- E06C1/30—Non-hinged free-standing ladders multi-part extensible, e.g. telescopic
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/397—Special 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
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/06—Securing devices or hooks for parts of extensible ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special 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 pruning trees dedicated extension ladders, including pedestal, groove, atmospheric pressure pole, pulley, left open slot, right open slot, hydraulic cylinder mounting rod, attachment base, shaft, left terraced arm, right terraced arm, handrail and hydraulic cylinder etc.;The present invention have it is structurally reasonable it is simple, production cost is low, easy for installation, pulley is arranged in pedestal to be moved, and can reduce labor intensity to avoid manual handling;It can be separated by hydraulic cylinder between the left terraced arm of the present invention and right terraced arm, without human intervention, improve working efficiency;The present invention can be locked in elongation process by kelly and screw rod, prevent from being displaced, and in contraction process, by setting venthole and cavity, can air be slow transitted through, to have buffer capacity, be avoided impacting, will not damage.
Description
Technical field
The present invention relates to extension ladder technical field, in particular to a kind of pruning trees dedicated extension ladder.
Background technique
Extension ladder is a kind of ladder that can be stretched and be shortened as fishing bar, is divided into engineering extension ladder and ring is flexible
Two kinds of ladder.Its very convenient carrying and storage can be placed in the closet of family, in study, under bed or in the boot of automobile.
At present in pruning trees, it is often necessary to use extension ladder, ladder when not in use must be somewhere
It is covered up, longer ladder can allow people to reach higher height, but be not easy to carry and when collection
More spaces can be occupied, and telescopic ladder can when in use extend ladder, and in collection by ladder collapses
Get up, and current extension ladder, by manpower transport, carries more difficult, when foot of ladder point comes, manual operation is needed using arriving
Great strength, and locking effect is bad when current extension ladder is flexible, does not have cushion effect when flexible, will cause greater impact,
To damage, so needing a kind of technology insufficient to make up this.
Summary of the invention
The object of the invention is that solve the above-mentioned problems, and a kind of pruning trees dedicated extension ladder is provided.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions: a kind of pruning trees dedicated extension ladder, including
Pedestal, groove, atmospheric pressure pole, pulley, left open slot, right open slot, hydraulic cylinder mounting rod, attachment base, shaft, left terraced arm, right ladder
Arm, handrail and hydraulic cylinder;Groove there are four being set in a manner of rectangular array in the base lower surface;It is fixed in the groove
It is connected with an atmospheric pressure pole;A pulley is connected on the output shaft of the atmospheric pressure pole;On the left of the base upper surface
Equipped with a left open slot, a right open slot is equipped on the right side of the base upper surface;It is fixedly connected on the chassis left side face
There is a handrail;A hydraulic cylinder mounting rod is fixedly connected on the base upper surface center;The hydraulic cylinder installation
A hydraulic cylinder is fixedly connected on the two sides of bar top;The left terraced arm is arranged in left open slot, and the right terraced arm is set
It sets in right open slot;The output end of the left side hydraulic cylinder is fixedly connected on left terraced arm, the output of the right side hydraulic cylinder
End is fixedly connected on right terraced arm;The top of the left terraced arm and right terraced arm passes through shaft and is hinged on attachment base.
Preferably, the left terraced arm is consistent with the right terraced structure of arm, specific structure are as follows: including level-one seat, venthole, circle
Arc seat, second level seat, cavity, intercommunicating pore, level-one foot pedal, quarter butt, screw rod, groove, three-level seat, second level foot pedal, level Four seat
With three-level foot pedal;The level-one seat is two, is fixedly connected to a circular arc pedestal on the lower surface of the level-one seat;Institute
It states and is equipped with a venthole in level-one seat bottom end;A second level seat is slidably connected in the level-one seat;The level-one is foot-operated
Plate is fixedly connected between level-one seat;Second level seat lower surface is equipped with a cavity, under two side external surface of second level seat
End is equipped with a groove, is connected between the groove and cavity by intercommunicating pore;Level-one foot pedal lower surface two
Side is fixedly connected to a quarter butt, and a screw rod, the screw rod alignment indentation have been connected through a screw thread in the quarter butt;Institute
It states and is fixedly connected to a three-level seat on second level seat top;A level Four seat is slidably connected in the three-level seat;It is described
A three-level foot pedal is fixedly connected between level Four seat;A second level foot pedal is fixedly connected between the three-level seat.
Preferably, further including hollow tube, kelly, the first spring, housing, T word part and second spring;The level Four seat
Chamber interior lower end is fixedly connected with a hollow tube;Two side external surface upper ends of the three-level seat are fixedly connected to a cover
Shell;A T word part is slidably connected in the housing, cladding is connected with a second spring on the T word part;In described
The chamber interior two sides of blank pipe slidably connect a kelly, and first spring, institute are fixedly connected between the kelly
State kelly alignment housing.
Preferably, first spring and second spring are disk spring.
Preferably, the outer surface of the screw rod is equipped with anti-skid chequer.
Preferably, the outer surface of the handrail is equipped with anti-skid chequer.
Preferably, the pulley is anti-skidding pulley.
Beneficial effects of the present invention:
(1) present invention have it is structurally reasonable it is simple, production cost is low, easy for installation, pulley is arranged in pedestal to be moved, can be with
Manual handling is avoided, labor intensity is reduced.
(2) it can be separated by hydraulic cylinder between the left terraced arm of the present invention and right terraced arm, without human intervention, improve work
Make efficiency.
(3) present invention can be locked by kelly and screw rod in elongation process, prevent from being displaced, in contraction process,
By setting venthole and cavity, can air be slow transitted through, to have buffer capacity, avoid impacting, will not damage.
Detailed description of the invention:
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of the present invention left terraced arm and right terraced arm.
Fig. 3 is partial structure diagram of the invention.
In figure: 1- pedestal;2- groove;3- atmospheric pressure pole;4- pulley;The left open slot of 5-;The right open slot of 6-;The installation of 7- hydraulic cylinder
Bar;8- attachment base;9- shaft;The left terraced arm of 10-;The right terraced arm of 11-;12- handrail;13- hydraulic cylinder;14- level-one seat;15- venthole;
16- circular arc pedestal;17- second level seat;18- cavity;19- intercommunicating pore;20- level-one foot pedal;21- quarter butt;22- screw rod;23- is recessed
Slot;24- three-level seat;25- second level foot pedal;26- level Four seat;27- three-level foot pedal;28- hollow tube;29- kelly;30- first
Spring;31- housing;32-T word part;33- second spring.
Specific embodiment:
As shown in Figure 1 to Figure 3, present embodiment uses a kind of following technical scheme: pruning trees dedicated extension ladder, including
Pedestal 1, groove 2, atmospheric pressure pole 3, pulley 4, left open slot 5, right open slot 6, hydraulic cylinder mounting rod 7, attachment base 8, shaft 9, a left side
Terraced arm 10, right terraced arm 11, handrail 12 and hydraulic cylinder 13;It is recessed there are four being set in a manner of rectangular array on 1 lower surface of pedestal
Slot 2;An atmospheric pressure pole 3 is fixedly connected in the groove 2;One is connected on the output shaft of the atmospheric pressure pole 3
Pulley 4;It is equipped with a left open slot 5 on the left of 1 upper surface of pedestal, is equipped with a right opening on the right side of 1 upper surface of pedestal
Slot 6;A handrail 12 is fixedly connected on 1 left side of pedestal;It is fixedly connected on the 1 upper surface center of pedestal
One hydraulic cylinder mounting rod 7;A hydraulic cylinder 13 is fixedly connected on the 7 top two sides of hydraulic cylinder mounting rod;It is described
Left ladder arm 10 is arranged in left open slot 5, and the right terraced arm 11 is arranged in right open slot 6;The left side hydraulic cylinder 13 it is defeated
Outlet is fixedly connected on left terraced arm 10, and the output end of the right side hydraulic cylinder 13 is fixedly connected on right terraced arm 11;The left side
The top of terraced arm 10 and right terraced arm 11 passes through shaft 9 and is hinged on attachment base 8.
As shown in Figure 1 to Figure 3, the left terraced arm 10 is consistent with the right terraced structure of arm 11, specific structure are as follows: including level-one seat
14, venthole 15, circular arc pedestal 16, second level seat 17, cavity 18, intercommunicating pore 19, level-one foot pedal 20, quarter butt 21, screw rod 22, recessed
Slot 23, three-level seat 24, second level foot pedal 25, level Four seat 26 and three-level foot pedal 27;The level-one seat 14 is two, the level-one
A circular arc pedestal 16 is fixedly connected on the lower surface of seat 14;A venthole 15 is equipped in 14 bottom end of level-one seat;
A second level seat 17 is slidably connected in the level-one seat 14;The level-one foot pedal 20 be fixedly connected on level-one seat 14 it
Between;17 lower surface of second level seat be equipped with a cavity 18,17 liang of side external surface lower ends of the second level seat be equipped with one it is recessed
Slot 23 is connected between the groove 23 and cavity 18 by intercommunicating pore 19;The 20 lower surface two sides of level-one foot pedal are equal
It is fixedly connected with a quarter butt 21, a screw rod 22 has been connected through a screw thread in the quarter butt 21, the screw rod 22 is aligned recessed
Slot 23;A three-level seat 24 is fixedly connected on 17 top of second level seat;One is slidably connected in the three-level seat 24
A level Four seat 26;A three-level foot pedal 27 is fixedly connected between the level Four seat 26;It is fixed between the three-level seat 24 to connect
It is connected to a second level foot pedal 25.
It as shown in Figure 1 to Figure 3, further include hollow tube 28, kelly 29, the first spring 30, housing 31, T word part 32 and second
Spring 33;The chamber interior lower end of the level Four seat 26 is fixedly connected with a hollow tube 28;Outside the two sides of the three-level seat 24
Surface upper end is fixedly connected to a housing 31;A T word part 32, the T word part are slidably connected in the housing 31
Cladding is connected with a second spring 33 on 32;The chamber interior two sides of the hollow tube 28 slidably connect a kelly
29, first spring 30 is fixedly connected between the kelly 29, the kelly 29 is directed at housing 31.
Wherein, first spring 30 and second spring 33 are disk spring;The outer surface of the screw rod 22 is equipped with
Anti-skid chequer;The outer surface of the handrail 12 is equipped with anti-skid chequer;The pulley 4 is anti-skidding pulley.
Use state of the invention are as follows: when needing mobile, handrail 12 is pushed to be moved by pulley 4, after reaching place,
Atmospheric pressure pole 3 withdraws pulley 4, anti-sliding stop, and two 13 pairs of the hydraulic cylinder left terraced right terraced arms 11 of arm 10 separate, the right ladder of left ladder arm 10
When arm 11 stretches, kelly 29 is stuck in housing 31, and screw rod 22 is stuck in groove 23, prevents from being displaced, and in contraction process, passes through setting
Venthole 15 and cavity 18, can make air slow transit through, to have buffer capacity, avoid impacting, will not damage.
In the description of invention, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " middle part ",
The orientation or positional relationship of the instructions such as " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description invention and simplifies description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to hair
Bright limitation.
In invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be with
It is mechanical connection, is also possible to be electrically connected;It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, concrete meaning of the above-mentioned term in invention can be understood as the case may be.
The advantages of basic principles and main features and invention of invention have been shown and described above, the technical staff of the industry
It should be appreciated that invention is not restricted to the described embodiments, the above embodiments and description only describe the originals of invention
Reason, under the premise of not departing from spirit and range, invention be will also have various changes and improvements, these changes and improvements are all fallen
Enter within the scope of claimed invention, invents claimed range and be defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of pruning trees dedicated extension ladder, it is characterised in that: including pedestal (1), groove (2), atmospheric pressure pole (3), pulley
(4), left open slot (5), right open slot (6), hydraulic cylinder mounting rod (7), attachment base (8), shaft (9), left terraced arm (10), right ladder
Arm (11), handrail (12) and hydraulic cylinder (13);Groove there are four being set in a manner of rectangular array on pedestal (1) lower surface
(2);An atmospheric pressure pole (3) is fixedly connected in the groove (2);It is flexibly connected on the output shaft of the atmospheric pressure pole (3)
There is a pulley (4);A left open slot (5), pedestal (1) the upper surface right side are equipped on the left of pedestal (1) upper surface
Equipped with a right open slot (6);A handrail (12) is fixedly connected on pedestal (1) left side;Table on the pedestal (1)
A hydraulic cylinder mounting rod (7) is fixedly connected on the center of face;It is solid on hydraulic cylinder mounting rod (7) the top two sides
Surely it is connected with a hydraulic cylinder (13);The left terraced arm (10) is arranged in left open slot (5), and the right terraced arm (11) is arranged
In right open slot (6);The output end of the left side hydraulic cylinder (13) is fixedly connected on left terraced arm (10), the right side hydraulic cylinder
(13) output end is fixedly connected on right terraced arm (11);The top of the left terraced arm (10) and right terraced arm (11) passes through shaft
(9) it is hinged on attachment base (8).
2. a kind of pruning trees dedicated extension ladder according to claim 1, it is characterised in that: the left terraced arm (10) and the right side
The structure of terraced arm (11) is consistent, specific structure are as follows: including level-one seat (14), venthole (15), circular arc pedestal (16), second level seat
(17), cavity (18), intercommunicating pore (19), level-one foot pedal (20), quarter butt (21), screw rod (22), groove (23), three-level seat
(24), second level foot pedal (25), level Four seat (26) and three-level foot pedal (27);The level-one seat (14) is two, the level-one
A circular arc pedestal (16) is fixedly connected on the lower surface of seat (14);A ventilation is equipped in level-one seat (14) bottom end
Hole (15);A second level seat (17) is slidably connected in the level-one seat (14);The level-one foot pedal (20) is fixedly connected
Between level-one seat (14);Second level seat (17) lower surface is equipped with a cavity (18), outside second level seat (17) two sides
Surface lower end is equipped with a groove (23), is connected between the groove (23) and cavity (18) by intercommunicating pore (19);
Level-one foot pedal (20) the lower surface two sides are fixedly connected to a quarter butt (21), pass through screw thread in the quarter butt (21)
It is connected with a screw rod (22), screw rod (22) alignment indentation (23);It is fixedly connected on second level seat (17) top
One three-level seat (24);A level Four seat (26) is slidably connected in the three-level seat (24);Between the level Four seat (26)
It is fixedly connected with a three-level foot pedal (27);A second level foot pedal (25) is fixedly connected between the three-level seat (24).
3. a kind of pruning trees dedicated extension ladder according to claim 2, it is characterised in that: further include hollow tube (28),
Kelly (29), the first spring (30), housing (31), T word part (32) and second spring (33);In the chamber of the level Four seat (26)
Subordinate end is fixedly connected with a hollow tube (28);Two side external surface upper ends of the three-level seat (24) are fixedly connected to one
Housing (31);A T word part (32) is slidably connected in the housing (31), cladding is connected on the T word part (32)
One second spring (33);The chamber interior two sides of the hollow tube (28) slidably connect a kelly (29), the card
First spring (30) is fixedly connected between bar (29), the kelly (29) is directed at housing (31).
4. a kind of pruning trees dedicated extension ladder according to claim 3, it is characterised in that: first spring (30) and
Second spring (33) is disk spring.
5. a kind of pruning trees dedicated extension ladder according to claim 2, it is characterised in that: the appearance of the screw rod (22)
Face is equipped with anti-skid chequer.
6. a kind of pruning trees dedicated extension ladder according to claim 1, it is characterised in that: the appearance of the handrail (12)
Face is equipped with anti-skid chequer.
7. a kind of pruning trees dedicated extension ladder according to claim 1, it is characterised in that: the pulley (4) is anti-skidding
Pulley.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811216832.1A CN109184543A (en) | 2018-10-18 | 2018-10-18 | A kind of pruning trees dedicated extension ladder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811216832.1A CN109184543A (en) | 2018-10-18 | 2018-10-18 | A kind of pruning trees dedicated extension ladder |
Publications (1)
Publication Number | Publication Date |
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CN109184543A true CN109184543A (en) | 2019-01-11 |
Family
ID=64946142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811216832.1A Pending CN109184543A (en) | 2018-10-18 | 2018-10-18 | A kind of pruning trees dedicated extension ladder |
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CN (1) | CN109184543A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111733663A (en) * | 2020-07-28 | 2020-10-02 | 李碧华 | Highway construction pitch temporary mixing device based on environmental protection technology |
CN113585953A (en) * | 2021-07-31 | 2021-11-02 | 赵志强 | Automatic lifting mobile ladder based on foot stepping |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105464578A (en) * | 2016-01-08 | 2016-04-06 | 浙江大学 | Stretchable ladder |
CN107237598A (en) * | 2017-07-19 | 2017-10-10 | 温州奇思科技有限公司 | A kind of folding extension ladder |
CN108033391A (en) * | 2017-12-14 | 2018-05-15 | 崔林 | A kind of transfer device for emergency medical service |
CN207526400U (en) * | 2017-09-30 | 2018-06-22 | 杨再胜 | A kind of mobile lifting apparatus of electric power overhaul |
CN210370455U (en) * | 2018-10-18 | 2020-04-21 | 国网山东省电力公司烟台供电公司 | Special extension ladder for tree pruning |
-
2018
- 2018-10-18 CN CN201811216832.1A patent/CN109184543A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105464578A (en) * | 2016-01-08 | 2016-04-06 | 浙江大学 | Stretchable ladder |
CN107237598A (en) * | 2017-07-19 | 2017-10-10 | 温州奇思科技有限公司 | A kind of folding extension ladder |
CN207526400U (en) * | 2017-09-30 | 2018-06-22 | 杨再胜 | A kind of mobile lifting apparatus of electric power overhaul |
CN108033391A (en) * | 2017-12-14 | 2018-05-15 | 崔林 | A kind of transfer device for emergency medical service |
CN210370455U (en) * | 2018-10-18 | 2020-04-21 | 国网山东省电力公司烟台供电公司 | Special extension ladder for tree pruning |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111733663A (en) * | 2020-07-28 | 2020-10-02 | 李碧华 | Highway construction pitch temporary mixing device based on environmental protection technology |
CN113585953A (en) * | 2021-07-31 | 2021-11-02 | 赵志强 | Automatic lifting mobile ladder based on foot stepping |
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