CN109138824B - Rotary telescopic movable ladder - Google Patents
Rotary telescopic movable ladder Download PDFInfo
- Publication number
- CN109138824B CN109138824B CN201811150345.XA CN201811150345A CN109138824B CN 109138824 B CN109138824 B CN 109138824B CN 201811150345 A CN201811150345 A CN 201811150345A CN 109138824 B CN109138824 B CN 109138824B
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- Prior art keywords
- locking
- pedal
- telescopic
- rod
- ladder
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
- E06C5/02—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/18—Devices for preventing persons from falling
- E06C7/181—Additional gripping devices, e.g. handrails
- E06C7/183—Additional gripping devices, e.g. handrails situated along the ladder
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The rotary telescopic movable ladder comprises a mounting base and a ladder frame, wherein the ladder frame is vertically mounted on the mounting base through a rotary part, and a movable pedal is further hinged on the ladder frame; the movable pedal comprises a fixed pedal and a telescopic pedal which is slidably arranged on the fixed pedal, one end of the fixed pedal is arranged on the ladder frame through a rotating shaft, the other end of the fixed pedal is provided with a sliding groove for the telescopic pedal to slide in a telescopic manner, and the telescopic pedal is provided with a pulley matched with the sliding groove. The movable ladder is practical, convenient, safe and reliable, can adjust the direction and the distance according to the actual condition of the site, and effectively ensures the safe pedaling of operators.
Description
Technical Field
The invention relates to a movable ladder, in particular to a rotary telescopic movable ladder.
Background
As is well known, under the current technical conditions, no matter the loading operation, unloading operation or equipment maintenance of the tank truck, the operation that a worker goes to the top of the tank truck is required, the section of the train tank truck is round, the worker goes from the pallet to the roof and passes over the arc section of the tank truck, which is a very dangerous operation, and a plurality of unexpected falling accidents occur in the loading process every year; the well-known boarding ladder in the past is of a parallelogram connecting rod structure and is generally divided into a three-step ladder, a four-step ladder and a five-step ladder. The movable ladder has the advantages that each pedal is horizontal and is convenient to tread.
But the disadvantages are also numerous: can only be unfolded perpendicular to the edge of the pallet, and when the tank truck mouth is not directly opposite to the movable ladder, the dangerous section is formed between the movable ladder and the tank truck mouth Cheng Kongque; the length of the ladder is fixed, and the ladder is difficult to meet the requirements of different vehicle types; therefore, the safe pedaling of operators is a problem to be solved urgently.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rotary telescopic movable ladder which is reasonable in design, convenient to use and convenient for operators to safely pedal.
The technical problems to be solved by the invention are realized by the following technical proposal. The invention relates to a rotary telescopic movable ladder, which comprises a mounting base and a ladder frame, wherein the ladder frame is vertically mounted on the mounting base through a rotary part, and a movable pedal is further hinged on the ladder frame; the movable pedal comprises a fixed pedal and a telescopic pedal which is slidably arranged on the fixed pedal, one end of the fixed pedal is arranged on the ladder frame through a rotating shaft, the other end of the fixed pedal is provided with a sliding groove for the telescopic pedal to slide in a telescopic manner, and the telescopic pedal is provided with a pulley matched with the sliding groove.
The technical problem to be solved by the invention can be further solved by the following technical scheme, for the rotary telescopic escalator, the escalator further comprises a locking mechanism for controlling the escalator frame to rotate, the locking mechanism comprises a locking plate arranged on the escalator frame and a locking block arranged on a mounting base, the locking plate is hinged on the escalator frame, an annular groove for the locking block to rotate is arranged on the mounting base, a clamping groove matched with the edge of the annular groove is arranged at the bottom of the locking block, and a locking rope is connected between the locking plate and the locking block.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and for the rotary telescopic movable ladder, the end part of the locking rope is connected with the locking block through the buffer spring.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and for the rotary telescopic movable ladder, a locking chain which is convenient for controlling the rotation of the movable pedal is also connected between the ladder frame and the movable pedal.
The technical problem to be solved by the invention can be further solved by the following technical scheme, for the rotary telescopic movable ladder, the locking chains are provided with 2 locking chains, and the 2 locking chains are respectively arranged at two sides of the ladder frame.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and for the rotary telescopic movable ladder, the telescopic pedal is further provided with a locking device which is convenient for controlling the telescopic pedal to slide in a telescopic way.
The technical problem to be solved by the invention can be further solved by the following technical scheme, for the rotary telescopic escalator, the locking device comprises a locking rod which is vertically arranged, a locking sleeve and a locking spring are sleeved on the locking rod, an upper locking hole matched with the locking rod and a lower locking hole matched with the locking sleeve are arranged on the telescopic pedal, the locking rod penetrates through the upper locking hole and the lower locking hole, one end of the locking spring is connected with the locking sleeve, the other end of the locking spring is connected with a telescopic pedal at the upper locking hole, the bottom of the telescopic pedal is further provided with a hinging block, a hinging rod which is transversely arranged is hinged on the hinging block, one end of the hinging rod is hinged with the locking rod, an operating rod which is vertically arranged is hinged on the telescopic pedal, an operating hole matched with the operating rod is arranged on the telescopic pedal, and the operating rod penetrates through the operating hole.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and for the rotary telescopic movable ladder, the fixed pedal is provided with a plurality of locking grooves matched with the bottom of the locking rod.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and for the rotary telescopic movable ladder, handrails for preventing operators from falling are further arranged on two sides of the fixed pedal.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and for the rotary telescopic movable ladder, the fixed pedal and the telescopic pedal are both made of steel grating plates.
Compared with the prior art, the invention uses the mounting base as a support, and the revolving part is utilized to rotate the ladder frame, so that the movable pedal faces the direction of walking of operators, and then the movable pedal is rotated, so that the movable pedal is horizontally placed, and the walking operation of the operators is facilitated; simultaneously, can stimulate flexible footboard as required for flexible footboard outwards extends, is convenient for increase operation personnel's walking distance, in order better satisfying operation personnel's pedal demand. The movable ladder is practical, convenient, safe and reliable, can adjust the direction and the distance according to the actual condition of the site, and effectively ensures the safe pedaling of operators.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention;
fig. 2 is a schematic structural view of the locking device of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a rotary telescopic escalator comprises a mounting base 1 and an escalator frame 3, wherein the escalator frame 3 is vertically arranged on the mounting base 1 through a rotary part 2, and an escalator frame 3 is also hinged with an escalator pedal; the movable pedal comprises a fixed pedal 6 and a telescopic pedal 8 which is slidably mounted on the fixed pedal 6, one end of the fixed pedal 6 is mounted on the ladder frame 3 through a rotating shaft, a sliding groove for the telescopic pedal 8 to slide in a telescopic manner is formed in the other end of the fixed pedal 6, and a pulley matched with the sliding groove is arranged on the telescopic pedal 8. The installation base 1 is made of sectional materials, and is correspondingly designed according to the height of the on-site pallet, so that the defect that some old pallets are too high or too low is overcome, the inclination angle of the movable ladder pedal is controlled within 10 degrees, and the installation base 1 can be installed on the ground through the lifting device, so that the height can be conveniently adjusted according to the requirement; the main body of the revolving part 2 is a revolving support, so that the revolving operation of the ladder frame 3 is easy and convenient, and if the revolving operation can reach 360 degrees, the installation is convenient; a protective baffle is arranged outside to prevent the foot clamping danger; the ladder frame 3 is a main bearing part of the movable ladder and is made of sectional materials, so that the structure is firm and reliable; is mounted on the mounting base 1 through the revolving part 2 and rotates together with the revolving part 2; when the movable pedal is used, the mounting base 1 is placed, the ladder frame 3 is rotated according to actual needs, so that the movable pedal faces the direction of the operation human body needing to walk, then the movable pedal is rotated to the horizontal direction, the operation human body can walk conveniently, and meanwhile the telescopic pedal 8 can be stretched according to the walking distance, so that the length of the whole movable pedal is adjusted; the pulley cooperates with the spout, is convenient for the slip of flexible footboard 8, convenient operation.
The movable ladder further comprises a locking mechanism 4 for controlling the rotation of the ladder frame 3, the locking mechanism 4 comprises a locking plate arranged on the ladder frame 3 and a locking block arranged on the installation base 1, the locking plate is hinged on the ladder frame 3, an annular groove for the rotation of the locking block is arranged on the installation base 1, a clamping groove matched with the annular groove is formed in the bottom of the locking block, and a locking rope is connected between the locking plate and the locking block. The ladder frame 3 accessible gyration part 2 carries out 360 rotations on installation base 1, upwards rotates the locking board along the pin joint, pulls the locking rope for draw-in groove on the latch segment upwards chucking ring channel, and then with the locking of ladder frame 3, avoid ladder frame 3 to continue rotatory, when needing to rotate ladder frame 3, downwards rotate the locking board can loosen the locking rope.
The end part of the locking rope is connected with the locking block through a buffer spring. The buffer spring is convenient for lifting the locking rope, plays a certain buffer effect, and avoids the locking rope from being hard pulled.
A locking chain 7 which is convenient for controlling the movable pedal to rotate is also connected between the ladder frame 3 and the movable pedal; the locking chains 7 are provided with 2 locking chains, and the 2 locking chains 7 are respectively arranged at two sides of the ladder frame 3; the double locking chain 7 is adopted, so that the movable pedal is safe and reliable and can be locked at any angle.
The telescopic pedal 8 is further provided with a locking device which is convenient for controlling the telescopic pedal 8 to slide in a telescopic way. The locking device is used for locking the telescopic pedal 8, so that on one hand, the telescopic length of the telescopic pedal 8 is convenient to adjust, on the other hand, the telescopic pedal 8 is locked after the telescopic length of the telescopic pedal 8 is adjusted, and shaking is avoided.
The locking device comprises a locking rod 11 which is vertically arranged, a locking sleeve 13 and a locking spring 12 are sleeved on the locking rod 11, an upper locking hole matched with the locking rod 11 and a lower locking hole matched with the locking sleeve 13 are formed in the telescopic pedal 8, the locking rod 11 penetrates through the upper locking hole and the lower locking hole, one end of the locking spring 12 is connected with the locking sleeve 13, the other end of the locking spring 12 is connected with the telescopic pedal 8 at the upper locking hole, a hinging block is further arranged at the bottom of the telescopic pedal 8, a hinging rod 9 which is transversely arranged is hinged on the hinging block, one end of the hinging rod 9 is hinged with the locking rod 11, an operating rod 10 which is vertically arranged is hinged at the other end of the hinging rod 9, an operating hole matched with the operating rod 10 is formed in the telescopic pedal 8, and the operating rod 10 penetrates through the operating hole. A pedal is further arranged at the top of the operating rod 10, so that the operating personnel can conveniently pedal, and the operation is convenient; the operating rod 10 is stepped down, the operating rod 10 descends to drive the other end of the hinging rod 9 to ascend, the locking rod 11 is lifted, the locking spring 12 is compressed, the bottom of the locking rod 11 is separated from the fixed plate, and at the moment, the telescopic pedal 8 can be stretched; after stretching, the foot is lifted, the buffer spring is reset, the locking rod 11 is driven to descend, when the locking sleeve 13 is propped against the expansion plate at the lower locking hole, the locking rod 11 is propped against the fixed plate again, the hinging rod 9 rotates to drive the operating rod 10 to ascend and reset, and the next treading is facilitated.
The fixed pedal 6 is provided with a plurality of locking grooves matched with the bottom of the locking rod 11. The locking grooves are uniformly arranged on the fixed plate and are convenient to match with the locking rod 11, the expansion precision of the expansion pedal 8 is increased, and the locking can be realized by stretching one point.
The two sides of the fixed pedal 6 are also provided with armrests 5 for preventing operators from falling. The handrail 5 is made of 32 welded pipes, the hand feeling is proper, the handrail 5 is arranged on two sides of the fixed pedal 6, the falling of operators is prevented, the safety of the operators is protected, and the operators can pass conveniently.
The fixed footboard 6 and the telescopic footboard 8 are made of steel grating plates, accidents caused by rain and snow accumulation are avoided, the side edges of the fixed footboard 6 and the telescopic footboard 8 are made of profile structures, and firmness is effectively guaranteed.
Claims (7)
1. A rotatory telescopic companion ladder which characterized in that: the movable ladder comprises a mounting base and a ladder frame, wherein the ladder frame is vertically mounted on the mounting base through a rotation part, and the ladder frame is also hinged with a movable pedal; the movable pedal comprises a fixed pedal and a telescopic pedal which is slidably arranged on the fixed pedal, one end of the fixed pedal is arranged on the ladder frame through a rotating shaft, the other end of the fixed pedal is provided with a sliding groove for the telescopic pedal to slide in a telescopic manner, and the telescopic pedal is provided with a pulley which is matched with the sliding groove;
the telescopic pedal is also provided with a locking device which is convenient for controlling the telescopic pedal to slide in a telescopic way;
the locking device comprises a locking rod which is vertically arranged, a locking sleeve and a locking spring are sleeved on the locking rod, an upper locking hole matched with the locking rod and a lower locking hole matched with the locking sleeve are formed in the telescopic pedal, the locking rod penetrates through the upper locking hole and the lower locking hole, one end of the locking spring is connected with the locking sleeve, the other end of the locking spring is connected with the telescopic pedal at the upper locking hole, a hinging block is further arranged at the bottom of the telescopic pedal, a hinging rod which is transversely arranged is hinged on the hinging block, one end of the hinging rod is hinged with the locking rod, an operating rod which is vertically arranged is hinged at the other end of the hinging rod, an operating hole matched with the operating rod is formed in the telescopic pedal, and the operating rod penetrates through the operating hole;
the movable ladder further comprises a locking mechanism for controlling the rotation of the ladder frame, the locking mechanism comprises a locking plate arranged on the ladder frame and a locking block arranged on an installation base, the locking plate is hinged on the ladder frame, an annular groove for the locking block to rotate is arranged on the installation base, a clamping groove matched with the annular groove is formed in the bottom of the locking block, and a locking rope is connected between the locking plate and the locking block.
2. The rotating telescopic escalator as claimed in claim 1, wherein: the end part of the locking rope is connected with the locking block through a buffer spring.
3. The rotating telescopic escalator as claimed in claim 1, wherein: and a locking chain which is convenient for controlling the movable pedal to rotate is also connected between the ladder frame and the movable pedal.
4. A rotary telescopic escalator as claimed in claim 3, wherein: the locking chains are provided with 2 locking chains, and the 2 locking chains are respectively arranged on two sides of the ladder frame.
5. The rotating telescopic escalator as claimed in claim 1, wherein: the fixed pedal is provided with a plurality of locking grooves matched with the bottom of the locking rod.
6. The rotating telescopic escalator as claimed in claim 1, wherein: armrests for preventing operators from falling are further arranged on two sides of the fixed pedal.
7. The rotating telescopic escalator as claimed in claim 1, wherein: the fixed pedal and the telescopic pedal are both made of steel grating plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150345.XA CN109138824B (en) | 2018-09-29 | 2018-09-29 | Rotary telescopic movable ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150345.XA CN109138824B (en) | 2018-09-29 | 2018-09-29 | Rotary telescopic movable ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109138824A CN109138824A (en) | 2019-01-04 |
| CN109138824B true CN109138824B (en) | 2023-05-26 |
Family
ID=64813892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811150345.XA Active CN109138824B (en) | 2018-09-29 | 2018-09-29 | Rotary telescopic movable ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109138824B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902617B (en) * | 2019-12-12 | 2021-02-26 | 苏州中创铝业有限公司 | Safe ladder of ascending a height convenient to remove |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250445Y (en) * | 2008-08-25 | 2009-06-03 | 曹荣志 | Lifting foot rest device used for a closestool |
| CN101871230A (en) * | 2010-06-23 | 2010-10-27 | 张信明 | Flush button of toilet tank |
| CN102518391A (en) * | 2011-12-22 | 2012-06-27 | 太原重工股份有限公司 | Stairway for mine hydraulic excavator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2227371C3 (en) * | 1972-06-06 | 1981-01-15 | Carl Metz Gmbh, 7500 Karlsruhe | Mobile turntable ladder |
| CN2264247Y (en) * | 1995-11-14 | 1997-10-08 | 李建新 | Movable pedal ladder |
| JP4836683B2 (en) * | 2006-06-21 | 2011-12-14 | ジーオーピー株式会社 | Step for lifting truck bed |
| CN101890945A (en) * | 2010-07-19 | 2010-11-24 | 奇瑞汽车股份有限公司 | Brake pedal device for preventing driver from being injured in collision |
| CN207296865U (en) * | 2017-09-27 | 2018-05-01 | 信众 | Rotate expanding activity ladder |
| CN209892097U (en) * | 2018-09-29 | 2020-01-03 | 连云港天邦科技开发有限公司 | Rotary telescopic movable ladder |
-
2018
- 2018-09-29 CN CN201811150345.XA patent/CN109138824B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250445Y (en) * | 2008-08-25 | 2009-06-03 | 曹荣志 | Lifting foot rest device used for a closestool |
| CN101871230A (en) * | 2010-06-23 | 2010-10-27 | 张信明 | Flush button of toilet tank |
| CN102518391A (en) * | 2011-12-22 | 2012-06-27 | 太原重工股份有限公司 | Stairway for mine hydraulic excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109138824A (en) | 2019-01-04 |
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