CN209892097U - Rotary telescopic movable ladder - Google Patents
Rotary telescopic movable ladder Download PDFInfo
- Publication number
- CN209892097U CN209892097U CN201821603279.2U CN201821603279U CN209892097U CN 209892097 U CN209892097 U CN 209892097U CN 201821603279 U CN201821603279 U CN 201821603279U CN 209892097 U CN209892097 U CN 209892097U
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- Prior art keywords
- locking
- pedal
- ladder
- telescopic
- movable
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Abstract
A 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 hinged to the ladder frame; the movable pedal comprises a fixed pedal and a telescopic pedal which is slidably mounted on the fixed pedal, one end of the fixed pedal is mounted 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 mode, and a pulley matched with the sliding groove is arranged on the telescopic pedal. The movable ladder is practical, convenient, safe and reliable, can adjust the direction and the distance according to the actual situation on site, and effectively ensures the safe pedaling of the operators.
Description
Technical Field
The utility model 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 tank truck is subjected to loading operation, unloading operation or equipment maintenance, workers are required to go to the top of the tank truck for operation, the cross section of the tank truck of the train tank is circular, and the workers must cross the arc section of the tank truck from a platform to the top of the tank truck, so that the operation is very dangerous, and a plurality of accidental falling accidents in the process of getting on the tank truck occur every year; the boarding ladder known in the past is a parallelogram connecting rod structure and generally comprises 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 treading is convenient.
But the disadvantages are also numerous: the movable ladder can be unfolded only perpendicular to the edge of the trestle, and when the tank wagon opening is not aligned with the movable ladder, a vacant dangerous section is formed between the movable ladder and the tank wagon opening; 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 the operators is an urgent problem to be solved.
Disclosure of Invention
The utility model aims to solve the technical problem that to the not enough of prior art, provide a reasonable in design, convenient to use, be convenient for operation personnel safety to step over rotatory telescopic companion ladder of car.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a rotary telescopic movable ladder, which comprises an installation base and a ladder frame, wherein the ladder frame is vertically installed on the installation base through a rotary part, and a movable pedal is hinged on the ladder frame; the movable pedal comprises a fixed pedal and a telescopic pedal which is slidably mounted on the fixed pedal, one end of the fixed pedal is mounted 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 mode, and a pulley matched with the sliding groove is arranged on the telescopic pedal.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above rotatory telescopic companion ladder, this companion ladder is still including being used for the rotatory locking mechanism of control ladder frame, and locking mechanism is including installing the locking plate on ladder frame and installing the latch segment on the installation base, and the locking plate articulates on ladder frame, is provided with on the installation base and supplies latch segment pivoted ring channel, and the bottom of latch segment is provided with and follows the complex draw-in groove with the ring channel groove, is connected with the locking rope between locking plate and the latch segment.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above rotatory telescopic companion ladder, the tip of locking rope passes through buffer spring and is connected with the latch segment.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above rotatory telescopic companion ladder, still be connected with the rotatory locking chain of the movable footboard of being convenient for to control between ladder frame and the movable footboard.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above rotatory telescopic companion ladder, the locking chain is provided with 2, and 2 locking chains set up the both sides at the ladder frame respectively.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above rotatory telescopic companion ladder, still be provided with the flexible gliding locking device of footboard of being convenient for control that stretches out and draws back on the flexible footboard.
The technical problem to be solved by the utility model can be further realized by the following technical proposal, more than rotatory telescopic companion ladder, locking device includes the check lock lever of vertical setting, the cover is equipped with lock sleeve and locking spring on the check lock lever, be provided with on the flexible footboard with check lock lever complex go up the locking hole and with lock sleeve complex lower locking hole, the check lock lever runs through and goes up locking hole and lower locking hole setting, locking spring's one end and lock sleeve are connected, locking spring's the other end and the flexible footboard of last locking hole department are connected, the bottom of flexible footboard still is provided with articulated piece, articulated on the articulated piece have the hinge bar of horizontal setting, the one end and the check lock lever of hinge bar are articulated, the other end of hinge bar articulates the action bars of vertical setting, be provided with on the flexible footboard with action bars complex handle hole, the action bars runs through the handle hole setting.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above rotatory telescopic companion ladder, be provided with a plurality of and check lock lever bottom complex locking groove on the fixed footboard.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above rotatory telescopic companion ladder, the both sides of fixed footboard still are provided with the handrail that prevents the operation personnel and fall.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above rotatory telescopic companion ladder, fixed footboard all adopts the steel grating board to make with flexible footboard.
Compared with the prior art, the utility model uses the mounting base as a support, uses the rotary part to rotate the ladder frame, leads the movable pedal to face the direction needing the walking of the operating personnel, then rotates the movable pedal, leads the movable pedal to be horizontally placed, and is convenient for the operating personnel to walk; meanwhile, the telescopic pedal can be pulled as required, so that the telescopic pedal extends outwards, the walking distance of the operating personnel is increased conveniently, and the pedaling requirement of the operating personnel is better met. The movable ladder is practical, convenient, safe and reliable, can adjust the direction and the distance according to the actual situation on site, and effectively ensures the safe pedaling of the operators.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the locking device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the rotary telescopic movable ladder comprises a mounting base 1 and a ladder frame 3, wherein the ladder frame 3 is vertically mounted on the mounting base 1 through a rotary component 2, and a movable pedal is hinged on the ladder frame 3; the activity footboard includes fixed footboard 6 and slidable mounting at the flexible footboard 8 on fixed footboard 6, and the one end of fixed footboard 6 is passed through the rotation axis and is installed on ladder frame 3, and the other end of fixed footboard 6 is provided with the flexible gliding spout of flexible footboard 8 of confession, is provided with on the flexible footboard 8 with spout complex pulley. The installation base 1 is made of sectional materials, corresponding design is carried out according to the height of the on-site trestle, the defect that some old trestles are too high or too low is overcome, the inclination angle of the movable ladder pedal is controlled within 10 degrees, the installation base 1 can be installed on the ground through the lifting device, and the height can be conveniently adjusted according to requirements; the main body of the revolving part 2 is a revolving support, so that the ladder frame 3 is easy and convenient to revolve and is convenient to mount if the ladder frame can rotate by 360 degrees; a protective baffle is arranged outside to prevent the danger of clamping feet; the ladder frame 3 is a main bearing part of the movable ladder, is made of sectional materials, and has firm and reliable structure; the installation base 1 is installed on the installation base through the rotary component 2 and rotates together with the rotary component 2; when the movable pedal is used, the mounting base 1 is placed, the ladder frame 3 is rotated according to actual needs, the movable pedal faces the walking direction of an operating human body, then the movable pedal is rotated to the horizontal direction, so that an operator 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 concrete chute, the slip of the footboard 8 of the flexible of being convenient for, the convenient operation.
This companion ladder is still including being used for controlling 3 rotatory locking mechanism 4 of ladder frame, and locking mechanism 4 is including installing the locking plate on ladder frame 3 and installing the latch segment on installation base 1, and the locking plate articulates on ladder frame 3, is provided with on the installation base 1 and supplies latch segment pivoted ring channel, and the bottom of latch segment is provided with along complex draw-in groove with the ring channel groove, is connected with the locking rope between locking plate and the latch segment. Ladder frame 3 accessible rotating member 2 carries out 360 rotations on installation base 1, upwards rotates the locking plate along the pin joint, carries and draws the locking rope for the card slot chucking ring channel that makes progress on the latch segment, and then with ladder frame 3 locking, avoid ladder frame 3 to continue to rotate, when needing to rotate ladder frame 3, downwards rotates the locking plate and can loosen the locking rope.
The end part of the locking rope is connected with the locking block through a buffer spring. The arrangement of the buffer spring is convenient for lifting the locking rope, plays a certain buffer role, and avoids the locking rope from being pulled and torn by hard pull.
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, and the 2 locking chains 7 are respectively arranged at two sides of the ladder frame 3; the double-chain 7 design is adopted, safety and reliability are realized, and the movable pedal can be locked at any angle.
And a locking device which is convenient for controlling the telescopic pedal 8 to stretch and slide is further arranged on the telescopic pedal 8. Locking device is used for locking flexible footboard 8, is convenient for adjust the flexible length of flexible footboard 8 on the one hand, also is convenient for on the one hand after adjusting the flexible length of flexible footboard 8, locks flexible footboard 8, avoids taking place to rock.
Locking device includes the check lock lever 11 of vertical setting, the cover is equipped with lock sleeve 13 and locking spring 12 on the check lock lever 11, be provided with on the flexible footboard 8 with 11 complex locking holes and with 13 complex locking holes down of check lock lever, check lock lever 11 runs through locking holes and locking holes setting down, locking spring 12's one end is connected with lock sleeve 13, locking spring 12's the other end and the flexible footboard 8 of last locking holes department are connected, flexible footboard 8's bottom still is provided with articulated piece, articulated 9 that have horizontal setting on the articulated piece, the one end of articulated rod 9 is articulated with check lock lever 11, the other end of articulated rod 9 articulates has the action bars 10 of vertical setting, be provided with the handle hole with action bars 10 on the flexible footboard 8, action bars 10 runs through the handle hole setting. The top of the operating rod 10 is also provided with a pedal, so that the operating personnel can conveniently pedal and operate; the operating rod 10 is stepped down, the operating rod 10 descends to drive the other end of the hinge 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 fixing plate, and at the moment, the telescopic pedal 8 can be stretched; after stretching, lift the foot, buffer spring resets, drives the decline of check lock lever 11, and when the expansion plate of check lock hole department under the lock sleeve 13 top was tight, check lock lever 11 withstood the fixed plate once more, and articulated rod 9 rotates and drives action bars 10 and rise and reset, is convenient for trample next time.
And a plurality of locking grooves matched with the bottoms of the locking rods 11 are formed in the fixed pedal 6. The locking grooves are uniformly arranged on the fixing plate, are convenient to be matched with the locking rods 11, increase the stretching precision of the stretching pedal 8 and can be locked by stretching a little.
Handrails 5 for preventing the operator from falling are arranged on two sides of the fixed pedal 6. The handrails 5 are made of 32 welded pipes and are suitable in hand feeling, the handrails 5 are arranged on two sides of the fixed pedal 6, so that operators are prevented from falling, the safety of the operators is protected, and the operators can conveniently pass through the handrails.
Fixed footboard 6 all adopts the steel grating board with flexible footboard 8 to make, avoids sleet to pile up and meets accident, and fixed footboard 6 all adopts the section bar structure to make with the side of flexible footboard 8, effectively guarantees the fastness.
Claims (10)
1. A rotary telescopic movable ladder is 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 rotary part, and a movable pedal is hinged to the ladder frame; the movable pedal comprises a fixed pedal and a telescopic pedal which is slidably mounted on the fixed pedal, one end of the fixed pedal is mounted 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 mode, and a pulley matched with the sliding groove is arranged on the telescopic pedal.
2. The rotary telescoping ramp of claim 1, wherein: the movable ladder further comprises a locking mechanism used for controlling the ladder frame to rotate, the locking mechanism comprises a locking plate installed on the ladder frame and a locking block installed on the installation base, the locking plate is hinged to the ladder frame, a ring groove used for rotating the locking block is formed in the installation base, the bottom of the locking block is provided with a clamping groove matched with the ring groove along the edge, and a locking rope is connected between the locking plate and the locking block.
3. The rotary telescoping ramp of claim 2, wherein: the end part of the locking rope is connected with the locking block through a buffer spring.
4. The rotary telescoping ramp of 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.
5. The rotary telescoping ramp of claim 4, wherein: the locking chain is provided with 2, and 2 locking chains set up the both sides at the ladder rack respectively.
6. The rotary telescoping ramp of claim 1, wherein: and the telescopic pedal is also provided with a locking device which is convenient for controlling the telescopic pedal to stretch and slide.
7. The rotary telescoping ramp of claim 6, wherein: locking device includes the check lock lever of vertical setting, the cover is equipped with lock sleeve and locking spring on the check lock lever, be provided with on the flexible footboard with check lock lever complex go up the locking hole and with the lower locking hole of check lock sleeve complex, the check lock lever runs through to go up locking hole and lower locking hole setting, locking spring's one end and lock sleeve are connected, locking spring's the other end and the flexible footboard of last locking hole department are connected, the bottom of flexible footboard still is provided with articulated piece, articulated on the articulated piece have the hinge bar of horizontal setting, the one end of hinge bar is articulated with the check lock lever, the other end of hinge bar articulates there is the action bars of vertical setting, be provided with on the flexible footboard with action bars complex handle hole, the action bars runs through the handle hole setting.
8. The rotary telescoping ramp of claim 7, wherein: and a plurality of locking grooves matched with the bottoms of the locking rods are formed in the fixed pedal.
9. The rotary telescoping ramp of claim 1, wherein: handrails for preventing the operating personnel from falling are arranged on two sides of the fixed pedal.
10. The rotary telescoping ramp of 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 |
|---|---|---|---|
| CN201821603279.2U CN209892097U (en) | 2018-09-29 | 2018-09-29 | Rotary telescopic movable ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821603279.2U CN209892097U (en) | 2018-09-29 | 2018-09-29 | Rotary telescopic movable ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209892097U true CN209892097U (en) | 2020-01-03 |
Family
ID=68989593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821603279.2U Withdrawn - After Issue CN209892097U (en) | 2018-09-29 | 2018-09-29 | Rotary telescopic movable ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209892097U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138824A (en) * | 2018-09-29 | 2019-01-04 | 连云港天邦科技开发有限公司 | Rotary and telescopic autostairs |
| CN111029933A (en) * | 2020-01-14 | 2020-04-17 | 厦门宇邦电力设备有限公司 | Power distribution cabinet |
-
2018
- 2018-09-29 CN CN201821603279.2U patent/CN209892097U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138824A (en) * | 2018-09-29 | 2019-01-04 | 连云港天邦科技开发有限公司 | Rotary and telescopic autostairs |
| CN111029933A (en) * | 2020-01-14 | 2020-04-17 | 厦门宇邦电力设备有限公司 | Power distribution cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200103 Effective date of abandoning: 20230526 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200103 Effective date of abandoning: 20230526 |