CN112482979B - Synchronous up-down semi-automatic construction escalator and use method thereof - Google Patents
Synchronous up-down semi-automatic construction escalator and use method thereof Download PDFInfo
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- CN112482979B CN112482979B CN202011317333.9A CN202011317333A CN112482979B CN 112482979 B CN112482979 B CN 112482979B CN 202011317333 A CN202011317333 A CN 202011317333A CN 112482979 B CN112482979 B CN 112482979B
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- 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
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- 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
- E06C1/39—Ladders having platforms; Ladders changeable into platforms
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- 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
- E06C7/12—Lifts or other hoisting devices on ladders
Abstract
The invention provides a synchronous up-down semi-automatic construction escalator and a use method thereof, wherein the synchronous up-down semi-automatic construction escalator comprises the following steps: the lower fixed bench, the upper and lower sliding bench and the upper fixed bench are arranged in parallel from left to right. The invention can save the physical power of constructors, and realize the simultaneous up-and-down and no collision of people; the occupation of the space of the underground foundation pit is reduced; and the safety factor of up-and-down passing of construction operators in the underground foundation pit is increased, and safe driving and protection navigation are provided for safe construction of the foundation pit.
Description
Technical Field
The invention relates to a synchronous up-down semi-automatic construction escalator and a using method thereof.
Background
In order to ensure the safety of a basement structure during construction, avoid quality and safety accidents, eliminate dangerous factors of underground deep foundation pit construction and facilitate construction personnel to carry out horizontal traffic and go up and down foundation pits, a channel shaped like a Chinese character 'ri' or a standardized ladder cage is generally erected at present to realize the up and down of the construction personnel, and the safety measures firstly ensure the construction safety and secondly meet the vertical traffic requirements of the personnel.
However, the existing zigzag channel or the standard ladder cage has the problems that the physical consumption of constructors on upper and lower foundation pits is overlarge, or the occupied area of upper and lower tools on the foundation pits is large.
Disclosure of Invention
The invention aims to provide a synchronous up-down semi-automatic construction escalator and a using method thereof.
In order to solve the above problems, the present invention provides a synchronous up-down semi-automatic construction staircase, comprising:
the method comprises the following steps: a descending fixed bench section, an up-and-down sliding bench section and an ascending fixed bench section which are sequentially arranged in parallel from left to right, wherein,
the height of each step of the descending fixed bench section and the ascending fixed bench section is the same as the step number of the steps, the starting positions of the first step of the top of the descending fixed bench section and the ascending fixed bench section are both the ground, the ending positions of the last step of the bottom of the descending fixed bench section and the ascending fixed bench section are both the underground working surface, the steps of the descending fixed bench section and the ascending fixed bench section from the bottom to the top are sequentially 1-N steps, and N is more than or equal to 2;
the step height of each step of the up-and-down sliding ladder section is the same as that of each step of the down-going fixed ladder section and the up-going fixed ladder section, the step number of the up-and-down sliding ladder section is one step more than that of the down-going fixed ladder section and the up-going fixed ladder section, the steps from the bottom to the top of the up-and-down sliding ladder section are sequentially 1-N +1 steps, the whole up-and-down sliding ladder section always slides up by one step from an initial state to a lifting state, and then slides down by one step from the lifting state to return to the initial state.
Further, in the synchronous up-down semi-automatic construction escalator, in the initial state, the step of the P-th step of the up-down sliding stair section is parallel to the steps of the P-1 steps of the down fixed stair section and the up fixed stair section, and P is more than or equal to 2 and less than or equal to N + 1.
Further, in the synchronous up-down semi-automatic construction escalator, in the lifting state, the step of the Q-th step of the up-down sliding stair section is parallel to the step of the Q-th step of the down fixed stair section and the step of the up fixed stair section, and Q is more than or equal to 1 and less than or equal to N.
Further, in the above synchronous up-down semi-automatic construction escalator, a first handrail is arranged in the middle of the up-down sliding stair section, the up-down sliding stair section of the first handrail close to the side of the down-going fixed stair section is a down-going sliding stair section, and the up-down sliding stair section of the first handrail close to the side of the up-going fixed stair section is an up-going sliding stair section.
Furthermore, in the synchronous up-down semi-automatic construction escalator, a second handrail is arranged on one side of the down fixed stair section far away from the down sliding stair section.
Furthermore, in the synchronous up-down semi-automatic construction escalator, a third handrail is arranged on one side of the up-going fixed stair section far away from the up-going sliding stair section.
Furthermore, the synchronous up-down semi-automatic construction escalator also comprises a safety protection cage, and the safety protection cage surrounds the down fixed stair section, the up-down sliding stair section and the up fixed stair section.
According to another aspect of the invention, there is also provided a method for using a synchronous up-down semi-automatic construction escalator, comprising: the synchronous up-down semi-automatic construction escalator comprises the following steps:
(11) firstly, stepping on the left, stepping on the step of the step 1 of the upward sliding bench, holding the first handrail with the left hand, moving upward along with the upward sliding bench, and lifting the right foot off the ground;
(12) stopping for 0.5 second after the up-and-down sliding bench moves upwards for one step of step height, performing mutual exchange of left and right feet at the moment, stepping the right foot on the step 1 of the up-going fixed bench, holding the third handrail by the right hand, leaving the step of the step 1 of the up-going sliding bench by the left foot, and releasing the first handrail by the left hand;
(13) stopping for 0.5 second after the up-and-down sliding bench moves downwards by the step height, and then performing mutual exchange of left and right feet, wherein the left foot steps on the step 2 of the up-going sliding bench, the left hand holds the first handrail, the left hand moves upwards along with the up-going sliding bench, the right foot leaves the step 1 of the up-going fixed bench, and the right hand releases the third handrail;
(14) after the up-and-down sliding stair sections move upwards for one step of step height, stopping for 0.5 second, performing left-foot and right-foot mutual exchange, stepping on the step 2 of the up-going fixed stair section by the right foot, holding the third handrail by the right hand, leaving the step 2 of the up-going sliding stair section by the left foot, and releasing the first handrail by the left hand;
(15) stopping for 0.5 second after the up-and-down sliding bench moves downwards for one step, then performing mutual exchange of left and right feet, stepping on the step 3 of the up-going sliding bench by the left foot, holding the first handrail by the left hand, moving upwards along with the up-and-down sliding bench, leaving the step 2 of the up-going fixed bench by the right foot, and releasing the third handrail by the right hand;
by adopting the steps, the left foot and the right foot of the circular exchange finish the ascending of the subsequent steps of the personnel in a mutual ascending way.
Further, in the method for using the synchronous up-down semi-automatic construction escalator, the method further comprises the following steps:
(21) firstly, a left step is carried out, a left foot steps on the step of the Nth step of the descending fixed stair section, and a left hand holds the second handrail of the descending fixed stair section to wait for the upward movement of the up-and-down sliding stair section;
(22) stopping for 0.5 second after the up-and-down sliding bench moves upwards by one step, performing mutual exchange of left and right feet, stepping on the step N of the down sliding bench by the right foot, holding the first handrail by the right hand, leaving the step N of the up fixed bench by the left foot, and releasing the second handrail by the left hand to wait for the down-and-up sliding bench to move downwards;
(23) after the up-down sliding ladder section moves downwards for one step, pausing for 0.5 second, performing mutual exchange of left and right feet at the moment, stepping on the step of the step N-1 of the down fixed ladder section by the left foot, holding the second handrail by the left hand, leaving the step of the step N of the down sliding ladder section by the right foot, and loosening the first handrail by the right hand;
(24) after the upper sliding ladder section and the lower sliding ladder section move upwards for one step, pausing for 0.5 second, then performing mutual exchange of a left foot and a right foot, stepping on the step of the step N-1 of the downward sliding ladder section by the right foot, holding the first handrail by the right hand, moving downwards along with the downward sliding ladder section, leaving the step N-1 of the downward fixed ladder section by the left foot, and simultaneously loosening the second handrail by the left hand;
(25) after the up-down sliding ladder section moves downwards for one step, pausing for 0.5 second, performing left-right foot mutual exchange, stepping on the step of the step N-2 of the down-going fixed ladder section by a left foot, holding the second handrail by a left hand, leaving the step of the step N-2 of the up-going sliding ladder section by a right foot, and loosening the first handrail by the right hand;
and repeating the steps, and circularly exchanging the left foot and the right foot to finish the descending of the subsequent steps of the personnel in a mutual descending mode.
Compared with the prior art, the invention comprises the following steps: a descending fixed bench section, an up-and-down sliding bench section and an ascending fixed bench section which are sequentially arranged in parallel from left to right. The invention can save the physical power of constructors, and realize the simultaneous up-and-down and no collision of people; the occupation of the space of the underground foundation pit is reduced; and increasing the safety factor of up-and-down passing of construction operators in the underground foundation pit, and protecting the driving and navigating for the safe construction of the foundation pit.
Drawings
Fig. 1 is a schematic elevation view of a synchronous up-down semi-automatic construction escalator in accordance with an embodiment of the present invention;
fig. 2 is a schematic plan view of a synchronous up-down semi-automatic construction escalator in accordance with an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 and 2, the present invention provides a synchronous up-down semi-automatic construction escalator, comprising: a descending fixed bench 1, an up-and-down sliding bench 5 and an ascending fixed bench 2 which are arranged in parallel from left to right in sequence, wherein,
the height of the step 10 of each step of the descending fixed bench 1 and the ascending fixed bench 2 is the same as the step number (stage number), the initial position of the first step of the top of the descending fixed bench 1 and the ascending fixed bench 2 is the ground, the end position of the last step of the bottom of the descending fixed bench 1 and the ascending fixed bench 2 is the underground working surface 4, the steps of the descending fixed bench 1 and the ascending fixed bench 2 from the bottom to the top are 1-N steps in sequence, and N is more than or equal to 2;
the height of the step 10 of each step of the up-and-down sliding ladder section 5 is the same as that of each step of the down-going fixed ladder section 1 and the up-going fixed ladder section 2, the step number of the up-and-down sliding ladder section is one step more than that of the down-going fixed ladder section 1 and the up-going fixed ladder section 2, the steps of the up-and-down sliding ladder section from the bottom to the top are 1 to N +1 steps in sequence, the whole up-and-down sliding ladder section always slides up by one step from the initial state to the raised state, and then slides down by one step from the raised state to return to the initial state to reciprocate,
in the initial state, as shown in fig. 1, the step P of the up-down sliding ladder 5 is parallel to the step P-1 of the down-fixed ladder 1 and the up-fixed ladder 2, and P is greater than or equal to 2 and less than or equal to N + 1;
under the state of lifting, the step of the Q-th step of the up-and-down sliding ladder section is arranged side by side with the step of the Q-th step of the down fixed ladder section and the up fixed ladder section, and Q is more than or equal to 1 and less than or equal to N.
The invention can save the physical power of constructors, and realize the simultaneous up-and-down and no collision of people; the occupation of the space of the underground foundation pit is reduced; and the safety factor of up-and-down passing of construction operators in the underground foundation pit is increased, and safe driving and protection navigation are provided for safe construction of the foundation pit.
As shown in fig. 1, in an embodiment of the synchronous up-down semi-automatic construction escalator of the present invention, a first handrail 6 is disposed in the middle of the up-down sliding step, the up-down sliding step of the first handrail 6 near the down-going fixed step is a down-going sliding step 51, and the up-down sliding step of the first handrail near the up-going fixed step is an up-going sliding step 52.
As shown in fig. 1, in an embodiment of the synchronous upper and lower semi-automatic escalator of the present invention, a second handrail 7 is provided at a side of the lower fixed step 1 remote from the lower sliding step 51.
As shown in fig. 1, in an embodiment of the synchronous upper and lower semi-automatic escalator of the present invention, a third handrail 8 is provided at a side of the upper fixed step 2 remote from the upper sliding step 52.
As shown in fig. 2, in an embodiment of the synchronous up-down semi-automatic escalator of the present invention, a safety cage 9 is further included, and the safety cage encloses the down fixed step, the up-down sliding step, and the up fixed step.
As shown in fig. 1 and 2, the present invention further provides a method for using a synchronous upper and lower semi-automatic construction escalator, which adopts any one of the above embodiments, and the method includes: the flow goes upward and the flow is controlled,
(11) firstly, stepping on the left, stepping on the step of the step 1 of the upward sliding bench, holding the first handrail with the left hand, moving upward along with the upward sliding bench, and lifting the right foot off the ground;
(12) stopping for 0.5 second after the up-and-down sliding bench moves upwards for one step of step height, performing mutual exchange of left and right feet at the moment, stepping the right foot on the step 1 of the up-going fixed bench, holding the third handrail by the right hand, leaving the step of the step 1 of the up-going sliding bench by the left foot, and releasing the first handrail by the left hand;
(13) stopping for 0.5 second after the up-and-down sliding bench moves downwards by the step height, and then performing mutual exchange of left and right feet, wherein the left foot steps on the step 2 of the up-going sliding bench, the left hand holds the first handrail, the left hand moves upwards along with the up-going sliding bench, the right foot leaves the step 1 of the up-going fixed bench, and the right hand releases the third handrail;
(14) stopping for 0.5 second after the up-and-down sliding bench moves upwards for one step of step height, performing mutual exchange of left and right feet at the moment, stepping on the step 2 of the up-going fixed bench by the right foot, holding the third handrail by the right hand, leaving the step 2 of the up-going sliding bench by the left foot, and releasing the first handrail by the left hand;
(15) stopping for 0.5 second after the up-and-down sliding bench moves downwards for one step, then performing mutual exchange of left and right feet, stepping on the step 3 of the up-going sliding bench by the left foot, holding the first handrail by the left hand, moving upwards along with the up-and-down sliding bench, leaving the step 2 of the up-going fixed bench by the right foot, and releasing the third handrail by the right hand;
by adopting the steps, the left foot and the right foot of the circular exchange finish the ascending of the subsequent steps of the personnel in a mutual ascending mode.
As shown in fig. 1 and 2, in an embodiment of the method for using a synchronous up-down semi-automatic construction escalator, the method further comprises the following steps:
(21) firstly, left stepping is carried out, a left foot steps on the step of the Nth step of the descending fixed stair section, and a left hand holds the second handrail of the descending fixed stair section to wait for the upward movement of the up-and-down sliding stair section;
(22) stopping for 0.5 second after the up-and-down sliding bench moves upwards by one step, performing mutual exchange of left and right feet, stepping on the step N of the down sliding bench by the right foot, holding the first handrail by the right hand, leaving the step N of the up fixed bench by the left foot, and releasing the second handrail by the left hand to wait for the down-and-up sliding bench to move downwards;
(23) after the up-down sliding ladder section moves downwards for one step, pausing for 0.5 second, performing left-right foot mutual exchange at the moment, stepping on the step of the step N-1 of the down-going fixed ladder section by a left foot, holding the second handrail by a left hand, leaving the step of the step N of the down-going sliding ladder section by a right foot, and loosening the first handrail by the right hand;
(24) stopping for 0.5 second after the up-and-down sliding bench moves upwards for one step, then performing mutual exchange of left and right feet, stepping on the step (N-1) of the down sliding bench by the right foot, holding the first handrail by the right hand, moving downwards along with the down sliding bench, leaving the step (N-1) of the down fixed bench by the left foot, and releasing the second handrail by the left hand;
(25) after the up-down sliding ladder section moves downwards for one step, pausing for 0.5 second, performing left-right foot mutual exchange, stepping on the step of the step N-2 of the down-going fixed ladder section by a left foot, holding the second handrail by a left hand, leaving the step of the step N-2 of the up-going sliding ladder section by a right foot, and loosening the first handrail by the right hand;
and repeating the steps, and circularly exchanging the left foot and the right foot to finish the descending of the personnel in a mutual descending mode.
Specifically, the ascending fixed ladder sections and the descending fixed ladder sections on the two sides are platform for the upper and lower personnel to exchange and wait in a mutual mode, and the middle up-and-down sliding ladder section is platform for the personnel to move up and down. The initial position of the top step of the ascending and descending fixed ladder sections needs to be flush with the ground walking surface, the final position of the last step of the ascending and descending fixed ladder sections needs to be flush with the underground layer walking surface, and the step intervals are 225-300 mm and are uniformly distributed. The up-down sliding ladder section moves up and down by adopting the motor transmission to realize up-down sliding on the slide rail of the fixed ladder section at a fixed frequency, and the moving amplitude of the up-down sliding ladder section is one-step distance of the fixed ladder section.
A protective cage is arranged on the ladder stand with the height of more than 3m, the height of a starting point at the bottom of the protective cage is not less than 2100 and not more than 3000, and the height of the top of the protective cage is not less than 1050 mm. The inclination angle between the plane of the central line of the ladder section and the horizontal plane is within 75-80 degrees, so that people can stand comfortably.
The stair steps should be no less than 240mm, so that the gravity center of the foot force application point is ensured to be close to the arch of the foot, and 90% of the heel force application point is positioned on the steps. In terms of this, the stair steps should have a width of 240mm to the smallest, and a comfortable width of about 300 mm. The height of the step is not more than 170mm, and the comfortable height is about 150 mm. The number of steps of each stair section should not exceed 18 steps generally, and should not be less than 3 steps. The stair step size attention problem: the clear width of the stair sections is not less than 1000, and the clear width of the stair sections with the railing arranged on one side is not less than 500.
The running speed of the up-and-down sliding ladder section is 0.4-0.5m/s, and the up-and-down dwell time is 0.5 s. Taking the height of 5 meters as an example, the up-down time is as follows: the mutual stepping mode is reduced by 20 percent compared with the up-down mode of the ladder cage, and the physical strength is saved by more than 50 percent; the plane size of the mutual stepping device is 1 x 2 meters, the plane size of the traditional ladder cage is 5 x 2 meters, the volume is reduced by 80 percent, and more spaces are provided for other machines, safety equipment and the like in the foundation pit construction process.
The invention realizes up-and-down passing through the mutual exchange of the left foot and the right foot, thereby effectively saving the up-and-down physical consumption of personnel; the plane size is small compared with the traditional upper and lower channels, so that the space occupation of the foundation pit is effectively reduced; the upper and lower binary channels do not influence each other, improve current efficiency from top to bottom simultaneously, have ensured deep basal pit constructor safety.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides a semi-automatic construction staircase about synchronous which characterized in that includes: a descending fixed bench section, an up-and-down sliding bench section and an ascending fixed bench section which are sequentially arranged in parallel from left to right, wherein,
the height of each step of the descending fixed bench section and the ascending fixed bench section is the same as the step number of the steps, the starting positions of the first step of the top of the descending fixed bench section and the ascending fixed bench section are both the ground, the ending positions of the last step of the bottom of the descending fixed bench section and the ascending fixed bench section are both the underground working surface, the steps of the descending fixed bench section and the ascending fixed bench section from the bottom to the top are sequentially 1-N steps, and N is more than or equal to 2;
the step height of each step of the up-and-down sliding ladder section is the same as that of each step of the down-going fixed ladder section and the up-going fixed ladder section, the step number of the up-and-down sliding ladder section is one step more than that of the down-going fixed ladder section and the up-going fixed ladder section, the steps from the bottom to the top of the up-and-down sliding ladder section are sequentially 1-N +1 steps, the whole up-and-down sliding ladder section always slides up by one step from an initial state to a lifting state, and then slides down by one step from the lifting state to return to the initial state.
2. The synchronous up-down semi-automatic construction escalator as claimed in claim 1, wherein in said initial state, the step of the P-th step of said up-down sliding step is juxtaposed with the step of P-1 of said down-going fixed step and up-going fixed step, P is 2 or more and N +1 or less.
3. The synchronous up-down semi-automatic construction escalator as claimed in claim 1, wherein in said raised state, the step of the Q-th step of said up-down sliding step is juxtaposed with the step of the Q-th step of said down-going fixed step and up-going fixed step, Q is 1 or more and N or less.
4. The synchronous up-down semi-automatic construction escalator as claimed in claim 1, wherein a first handrail is provided in the middle of said up-down sliding flights, the up-down sliding flights of said first handrail near the side of said down-going fixed flights being down-going sliding flights, and the up-down sliding flights of said first handrail near the side of said up-going fixed flights being up-going sliding flights.
5. The synchronous up-down semi-automatic construction escalator as claimed in claim 4, wherein a second handrail is provided at a side of the down going fixed step remote from said down going sliding step.
6. The synchronous up-down semi-automatic construction escalator as claimed in claim 4, wherein a third handrail is provided at a side of the up-going fixed step remote from said up-going sliding step.
7. The synchronous up-down semi-automatic construction escalator as claimed in claim 1, further comprising a safety cage enclosing said down-going fixed flights, up-down sliding flights and up-going fixed flights.
8. A use method of a synchronous up-down semi-automatic construction escalator comprises the following steps: the synchronous up-down semi-automatic construction escalator as claimed in claim 4, wherein a second handrail is provided on a side of the down-going fixed step away from the down-going sliding step, and a third handrail is provided on a side of the up-going fixed step away from the up-going sliding step, the method comprising:
(11) firstly, left stepping is carried out, the left stepping is carried out on the step of the step 1 of the upward sliding stair section, the left hand holds the first handrail, the first handrail moves upwards along with the upward sliding stair section, and the right foot is lifted off the ground;
(12) stopping for 0.5 second after the up-and-down sliding bench moves upwards for one step of step height, performing mutual exchange of left and right feet at the moment, stepping the right foot on the step 1 of the up-going fixed bench, holding the third handrail by the right hand, leaving the step of the step 1 of the up-going sliding bench by the left foot, and releasing the first handrail by the left hand;
(13) stopping for 0.5 second after the up-and-down sliding bench moves downwards by the step height, and then performing mutual exchange of left and right feet, wherein the left foot steps on the step 2 of the up-going sliding bench, the left hand holds the first handrail, the left hand moves upwards along with the up-going sliding bench, the right foot leaves the step 1 of the up-going fixed bench, and the right hand releases the third handrail;
(14) stopping for 0.5 second after the up-and-down sliding bench moves upwards for one step of step height, performing mutual exchange of left and right feet at the moment, stepping on the step 2 of the up-going fixed bench by the right foot, holding the third handrail by the right hand, leaving the step 2 of the up-going sliding bench by the left foot, and releasing the first handrail by the left hand;
(15) stopping for 0.5 second after the up-and-down sliding bench moves downwards for one step, then performing mutual exchange of left and right feet, stepping on the step 3 of the up-going sliding bench by the left foot, holding the first handrail by the left hand, moving upwards along with the up-and-down sliding bench, leaving the step 2 of the up-going fixed bench by the right foot, and releasing the third handrail by the right hand;
by adopting the steps, the left foot and the right foot of the circular exchange finish the ascending of the subsequent steps of the personnel in a mutual ascending way.
9. The method of using a synchronous upper and lower semi-automatic escalator as claimed in claim 8, further comprising:
(21) firstly, left stepping is carried out, a left foot steps on the step of the Nth step of the descending fixed stair section, and a left hand holds the second handrail of the descending fixed stair section to wait for the upward movement of the up-and-down sliding stair section;
(22) stopping for 0.5 second after the up-and-down sliding bench moves upwards by one step, performing mutual exchange of left and right feet, stepping on the step N of the down sliding bench by the right foot, holding the first handrail by the right hand, leaving the step N of the up fixed bench by the left foot, and releasing the second handrail by the left hand to wait for the down-and-up sliding bench to move downwards;
(23) after the up-down sliding ladder section moves downwards for one step, pausing for 0.5 second, performing mutual exchange of left and right feet at the moment, stepping on the step of the step N-1 of the down fixed ladder section by the left foot, holding the second handrail by the left hand, leaving the step of the step N of the down sliding ladder section by the right foot, and loosening the first handrail by the right hand;
(24) stopping for 0.5 second after the up-and-down sliding bench moves upwards for one step, then performing mutual exchange of left and right feet, stepping on the step (N-1) of the down sliding bench by the right foot, holding the first handrail by the right hand, moving downwards along with the down sliding bench, leaving the step (N-1) of the down fixed bench by the left foot, and releasing the second handrail by the left hand;
(25) stopping for 0.5 second after the up-and-down sliding ladder section moves downwards for one step, and then performing mutual exchange of left and right feet, stepping on the step N-2 of the down fixed ladder section by the left foot, holding the second handrail by the left hand, leaving the step N-1 of the up sliding ladder section by the right foot, and loosening the first handrail by the right hand;
and repeating the steps, and circularly exchanging the left foot and the right foot to finish the descending of the subsequent steps of the personnel in a mutual descending mode.
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