CN216110506U

CN216110506U - Light-duty convenient assembled steel construction staircase

Info

Publication number: CN216110506U
Application number: CN202121681164.7U
Authority: CN
Inventors: 陈宗兵
Original assignee: Nanjing Zhensheng Steel Structure Engineering Co ltd
Current assignee: Nanjing Zhensheng Steel Structure Engineering Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-03-22
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a light and convenient assembly type steel structure escalator, which relates to the technical field of steel structure escalators and comprises a top plate, wherein an escalator is arranged below the top plate, two sleeve columns are symmetrically arranged behind the escalator, a moving column for adjusting the height of the top plate is connected inside each sleeve column in a sliding manner, a platform which is positioned on the lower end face of the top plate and used for adjusting the height of the top plate is connected inside the escalator in a sliding manner, and a limiting piece for adjusting the position of the platform is arranged on the escalator. This light-duty convenient assembled steel construction staircase, convenient to use can highly adjust the roof for the level of roof is close with steel construction platform's level, makes the device applicable to not co-altitude steel construction platform, has improved the device's utilization ratio.

Description

Light-duty convenient assembled steel construction staircase

Technical Field

The utility model relates to the technical field of steel structure escalators, in particular to a light and convenient assembly type steel structure escalator.

Background

Except meeting the operation requirement when the steel construction needs to confirm the plane size, elevation, beam lattice and the column net of platform structure and arranging, the arrangement of roof beam, post still should consider the position of equipment load and other great concentrated loads on the platform and the hanging of major diameter industrial pipeline etc. need equip the staircase on the steel construction platform, however current steel construction staircase exists highly fixed, can not carry out the problem of adjusting according to steel construction platform's height.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a light and convenient assembly type steel structure escalator, which solves the problems that the height of the existing steel structure escalator is fixed and cannot be adjusted according to the height of a steel structure platform.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a light-duty convenient assembled steel construction staircase, includes the roof, the staircase is installed to the below of roof, two cover posts are installed to the rear symmetry of staircase, the inside sliding connection of cover post has the removal post of adjusting the roof height, the inside sliding connection of staircase has the platform that is located terminal surface adjustment roof height under the roof, install the locating part of adjustment platform position on the staircase.

Through above-mentioned technical scheme, the effect through locating part is adjustable platform in the inside position height of staircase, and then the height of adjustable roof, can play the supporting role to the removal of roof through removing the post and sliding in the inside of cover post.

Preferably, the limiting part comprises a second threaded rod, reverse threads are symmetrically arranged on two sides of the outer surface of the second threaded rod, a limiting groove is formed in the escalator, two ends of the second threaded rod are connected with the inner wall of the limiting groove through bearings, two second wedge blocks are slidably connected to the outer side of the second threaded rod, a thread groove is formed in the inner part of each second wedge block, each second wedge block is in threaded connection with the corresponding second threaded rod, a first helical gear is fixedly mounted at the middle position of the second threaded rod, a second helical gear is mounted on one side, away from the second threaded rod, of the first helical gear, the first helical gear is meshed with the second helical gear, a shaft center position of the second helical gear is fixedly mounted, the connecting shaft is connected with the escalator through a cylindrical groove, the connecting shaft extends to the outer side of the escalator, and a knob is fixedly mounted at the extending part of the connecting shaft, the bottom fixed mounting of platform has a wedge, the slope of a wedge and the slope adaptation of No. two wedges.

Through the technical scheme, the rotation of the connecting shaft can be driven through the rotation of the knob, the rotation of the connecting shaft can drive the rotation of the first helical gear, the rotation of the first helical gear can drive the rotation of the second threaded rod, the rotation of the second threaded rod can drive the movement of the second wedge block, the movement of the second wedge block can drive the movement of the first wedge block through the cooperation of the second wedge block and the first wedge block, and then the platform can be driven to move, so that the height of the top plate can be adjusted.

Preferably, No. two wedge blocks keep away from the one end fixed mounting of a wedge block has the fixed block, the cylindrical slot has been seted up to the inside of fixed block, two the internally mounted of fixed block has the guide arm, the fixed block passes through the cylindrical slot with the guide arm and is connected, the both ends of guide arm all pass through welded connection, two with the spacing groove the intermediate position department fixed mounting of fixed block has No. three springs that are located the guide arm outside, the one end and the fixed block of No. three springs pass through welded connection.

Through the technical scheme, the fixed block and the second wedge-shaped block can be guided by the cooperation of the third spring and the guide rod.

Preferably, the platform is close to the one end fixed mounting of a wedge and has the locating plate, and the constant head tank has all been seted up to the both sides of spacing groove, the locating plate passes through the constant head tank with the staircase and constitutes sliding construction, one side fixed mounting that a wedge was kept away from to the locating plate has No. two springs, No. two springs's one end and locating plate pass through welded connection, No. two springs keep away from the one end of locating plate and pass through welded connection with the inner wall of constant head tank.

Through the technical scheme, the limiting effect can be achieved on the movement of the platform through the action of the second spring and the positioning plate, and the guiding effect can be achieved on the movement of the platform through the sliding of the positioning plate in the positioning groove.

Preferably, the sleeve column is fixedly connected with the escalator through three connecting rods, a square groove is formed in the sleeve column, the sleeve column and the movable column form a sliding structure through the square groove, a containing groove is formed in the movable column, and a driving piece for adjusting the position of the movable column is arranged in the square groove.

Through above-mentioned technical scheme, can adjust the position of removing the post through the effect of driving piece, be convenient for remove the post and slide in the inside of cover post, labour saving and time saving.

Preferably, the driving piece includes a threaded rod, the step motor that is located the internal portion of cover post is installed to the bottom of a threaded rod, and step motor passes through the screw connection with the cover post, and step motor's output shaft and a threaded rod pass through the coupling joint, a threaded rod passes through the bearing with the cover post and is connected, step motor's one end is kept away from to a threaded rod extends to the inside of storage tank, the outside sliding connection of a threaded rod has the backup pad that plays the supporting role to removing the post, the threaded groove has been seted up to the inside central point of backup pad department of putting, the backup pad passes through threaded connection with a threaded rod.

Through the technical scheme, the effect through step motor can drive the rotation of a threaded rod, and through the effect of screw thread, the rotation of a threaded rod can drive the removal of backup pad, can play the supporting role to removing the post through the backup pad, can drive when the backup pad removes and remove the post and slide in the inside of cover post, and then can play the supporting role to removing the post.

Preferably, four end angle departments of terminal surface all articulate there is flexible bracing piece under the backup pad, the bottom swing joint of flexible bracing piece has the connecting block, the installation piece that is located square inslot wall is installed in the outside of connecting block, the spout has been seted up to the inside of installation piece, installation piece and connecting block pass through the installation piece and become sliding construction, one side fixed mounting of connecting block has a spring, four end angle departments of backup pad up end equal fixed mounting have flexible post, welding connection is passed through with the backup pad to flexible post one end, welding connection is passed through on the top that the backup pad was kept away from to flexible post and cover post inner wall.

Through the technical scheme, the supporting effect can be achieved on the movement of the supporting plate through the matching of the telescopic column and the telescopic supporting rod, and the moving stability of the supporting plate is improved.

(III) advantageous effects

The utility model provides a light and convenient assembly type steel structure escalator. The method has the following beneficial effects:

(1) this light-duty convenient assembled steel construction staircase, the rotation through the knob can drive the rotation of connecting axle and No. two helical gears, the rotation through No. two helical gears can drive the rotation of a helical gear and No. two threaded rods, effect through the screw thread, the rotation of No. two threaded rods can drive the removal of No. two wedge blocks, the removal of No. two wedge blocks can promote the removal that a wedge block was vertical ascending side, the removal through a wedge block can drive the removal of platform, through a wedge block, the cooperation of constant head tank and No. two springs can play limiting displacement to the removal of platform, the removal through the platform can highly carry on spacingly to the roof.

(2) The light convenient assembly type steel structure escalator can drive the rotation of a first threaded rod through the action of a stepping motor, the rotation of the first threaded rod can drive the movement of a support plate through the action of the threads, the connection block can slide in the installation block to play a limiting role through the action of a spring, the rotation of a telescopic support rod can be supported through the action of the connection block, the movement of the support plate can be limited through the action of the telescopic support rod, the movement of the support plate can be guided through the action of a telescopic column, the movement of a movable column can be driven through the movement of the support plate, the movement of a top plate can be driven through the movement of the movable column, the height of the top plate can be adjusted through the adjustment of the height of a platform in the escalator and the adjustment of the height of the movable column in a sleeve column, so that the horizontal height of the top plate is close to the horizontal height of a steel structure platform, the device is suitable for steel structure platforms with different heights, and the utilization rate of the device is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a casing string according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of a partial cross-sectional view of the escalator of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention.

In the figure: 1. an escalator; 2. sleeving a column; 3. a connecting rod; 4. moving the column; 5. a top plate; 6. a platform; 7. a containing groove; 8. a first threaded rod; 9. a support plate; 10. a telescopic column; 11. a telescopic support rod; 12. connecting blocks; 13. mounting blocks; 14. a chute; 15. a first spring; 16. a first wedge block; 17. positioning a plate; 18. positioning a groove; 19. a second spring; 20. a second threaded rod; 21. a second wedge block; 22. a fixed block; 23. a guide bar; 24. a third spring; 25. a first bevel gear; 26. a second bevel gear; 27. a connecting shaft; 28. a knob; 29. a square groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

As shown in fig. 1 to 5, the present invention provides a technical solution: a light and convenient assembly type steel structure escalator comprises a top plate 5, an escalator 1 is installed below the top plate 5, two sleeve columns 2 are symmetrically installed behind the escalator 1, moving columns 4 for adjusting the height of the top plate 5 are connected inside the sleeve columns 2 in a sliding mode, a platform 6 for adjusting the height of the top plate 5 is connected to the lower end face of the top plate 5 in the sliding mode, a limiting piece for adjusting the position of the platform 6 is installed on the escalator 1, the position height of the platform 6 inside the escalator 1 can be adjusted through the action of the limiting piece, the height of the top plate 5 can be adjusted, and the moving columns 4 can support the movement of the top plate 5 through sliding inside the sleeve columns 2;

referring to fig. 5, the limiting member includes a second threaded rod 20, reverse threads are symmetrically arranged on two sides of the outer surface of the second threaded rod 20, a limiting groove is formed in the escalator 1, two ends of the second threaded rod 20 are connected with the inner wall of the limiting groove through bearings, two second wedge blocks 21 are slidably connected to the outer side of the second threaded rod 20, a thread groove is formed in each second wedge block 21, each second wedge block 21 is connected with the second threaded rod 20 through a thread, a first helical gear 25 is fixedly installed at the middle position of the second threaded rod 20, a second helical gear 26 is installed on one side, away from the second threaded rod 20, of the first helical gear 25, the first helical gear 25 is meshed with the second helical gear 26, a connecting shaft 27 is fixedly installed at the axial center position of the second helical gear 26, the connecting shaft 27 is connected with the escalator 1 through a cylindrical groove, the connecting shaft 27 extends to the outer side of the escalator 1, a knob 28 is fixedly installed at the extending part of the connecting shaft 27, the bottom end of the platform 6 is fixedly provided with a first wedge block 16, the slope surface of the first wedge block 16 is matched with the slope surface of a second wedge block 21, the rotation of the connecting shaft 27 can be driven by the rotation of the knob 28, the first helical gear 25 can be driven by the rotation of the connecting shaft 27, the second threaded rod 20 can be driven by the rotation of the first helical gear 25, the second threaded rod 20 can be driven by the rotation of the second threaded rod 20 to move the second wedge block 21, and the first wedge block 16 can be driven by the movement of the second wedge block 21 through the matching of the second wedge block 21 and the first wedge block 16, so that the platform 6 can be driven to move, and the height of the top plate 5 can be adjusted;

as shown in fig. 5, a fixing block 22 is fixedly installed at one end of the second wedge block 21, which is far away from the first wedge block 16, a cylindrical groove is formed in the fixing block 22, guide rods 23 are installed in the two fixing blocks 22, the fixing block 22 is connected with the guide rods 23 through the cylindrical groove, both ends of the guide rods 23 are connected with the limiting groove through welding, a third spring 24 located outside the guide rods 23 is fixedly installed at the middle position of the two fixing blocks 22, one end of the third spring 24 is connected with the fixing block 22 through welding, and the third spring 24 and the guide rods 23 are matched to play a role in guiding the movement of the fixing block 22 and the second wedge block 21;

as shown in fig. 4, a positioning plate 17 is fixedly mounted at one end of the platform 6 close to the first wedge block 16, positioning grooves 18 are formed in both sides of the positioning groove, the positioning plate 17 and the escalator 1 form a sliding structure through the positioning grooves 18, a second spring 19 is fixedly mounted at one side of the positioning plate 17 far away from the first wedge block 16, one end of the second spring 19 is connected with the positioning plate 17 through welding, one end of the second spring 19 far away from the positioning plate 17 is connected with the inner wall of the positioning groove 18 through welding, the movement of the platform 6 can be limited through the actions of the second spring 19 and the positioning plate 17, and the movement of the platform 6 can be guided through the sliding of the positioning plate 17 in the positioning grooves 18;

as shown in fig. 1, a sleeve column 2 is fixedly connected with an escalator 1 through three connecting rods 3, a square groove 29 is formed in the sleeve column 2, the sleeve column 2 and a moving column 4 form a sliding structure through the square groove 29, an accommodating groove 7 is formed in the moving column 4, a driving piece for adjusting the position of the moving column 4 is installed in the square groove 29, the position of the moving column 4 can be adjusted through the action of the driving piece, the moving column 4 can conveniently slide in the sleeve column 2, and time and labor are saved;

referring to fig. 2, the driving member includes a first threaded rod 8, a stepping motor is mounted at the bottom end of the first threaded rod 8 and located inside the casing column 2, the stepping motor is connected with the casing column 2 through a screw, an output shaft of the stepping motor is connected with the first threaded rod 8 through a coupler, the first threaded rod 8 is connected with the casing column 2 through a bearing, one end of the first threaded rod 8, which is far away from the stepping motor, extends into the accommodating groove 7, a supporting plate 9 which supports the moving column 4 is slidably connected to the outer side of the first threaded rod 8, a threaded groove is formed in the central position inside the supporting plate 9, the supporting plate 9 is connected with the first threaded rod 8 through a thread, the first threaded rod 8 can be driven to rotate through the action of the stepping motor, the rotation of the first threaded rod 8 can drive the supporting plate 9 to move through the action of the thread, and the supporting plate 9 can support the moving column 4, when moving, the support plate 9 can drive the moving column 4 to slide in the sleeve column 2, so that the support function on the moving column 4 can be realized;

as shown in fig. 3, four end angles of terminal surface all articulate under backup pad 9 has flexible bracing piece 11, the bottom swing joint of flexible bracing piece 11 has connecting block 12, the installation piece 13 that is located square groove 29 inner wall is installed in the outside of connecting block 12, spout 14 has been seted up to the inside of installation piece 13, installation piece 13 passes through installation piece 13 with connecting block 12 and constitutes sliding structure, one side fixed mounting of connecting block 12 has spring 15 No. one, four end angles of backup pad 9 up end all fixed mounting have flexible post 10, flexible post 10 one end passes through welded connection with backup pad 9, welded connection is passed through on the one end of flexible post 10 keeping away from backup pad 9 and the top of socle 2 inner walls, cooperation through flexible post 10 and flexible bracing piece 11 can play the supporting role to the removal of backup pad 9, the stability that backup pad 9 removed has been improved.

When the device is used, a power supply is switched on, a switch is switched on, a user can move the device to the side edge of the steel structure platform, then the user can determine the height of the top plate 5 according to the height of the steel structure platform, and after the required height is determined, on one hand, the user can grasp the knob 28 and rotate the knob 28, the rotation of the knob 28 can drive the connecting shaft 27, the rotation of the connecting shaft 27 can drive the rotation of the second helical gear 26, the rotation of the second helical gear 26 is meshed with the first helical gear 25, the rotation of the second helical gear 26 can drive the rotation of the first helical gear 25, the rotation of the first helical gear 25 can drive the rotation of the second threaded rod 20, the rotation of the second threaded rod 20 can drive the movement of the second wedge-shaped block 21 under the action of the threads, the slope surface of the second wedge-shaped block 21 is matched with the slope surface of the first wedge-shaped block 16, and the movement of the first wedge-shaped block 21 can drive the movement of the first wedge-shaped block 16, the positioning plate 17 can be limited by the action of the second spring 19, the positioning plate 17 can guide the movement of the platform 6 by sliding in the positioning groove 18, and the height of the front part of the top plate 5 can be adjusted by adjusting the position of the platform 6;

then the user can turn on the stepping motor, the first threaded rod 8 can be driven to rotate through the action of the stepping motor, through the action of the screw thread, the rotation of the first threaded rod 8 can drive the support plate 9 to move, the movable column 4 can be pressed on the upper end surface of the support plate 9 through the action of gravity, the support plate 9 can support the movable column 4, so the movement of the support plate 9 can drive the movable column 4 to move, the telescopic supporting rod 11 can be driven to rotate by the movement of the supporting plate 9, the connecting block 12 can be driven to slide in the mounting block 13 by the rotation of the telescopic supporting rod 11, the first spring 15 can limit the sliding of the connecting block 12, the first threaded rod 8 is arranged in the containing groove 7 and does not influence the movement of the moving column 4, meanwhile, the movement of the supporting plate 9 can be guided through the function of the telescopic column 10, and the stability of the movement of the supporting plate 9 is improved.

The height of the top plate 5 can be adjusted by adjusting the height of the platform 6 in the escalator 1 and the height of the moving column 4 in the sleeve column 2, so that the horizontal height of the top plate 5 is close to that of the steel structure platform, the device can be suitable for steel structure platforms with different heights, the utilization rate of the device is improved, the light and convenient assembled steel structure escalator is used, and meanwhile, the contents which are not described in detail in the specification belong to the prior art known by professional technicians in the field.

To sum up, the light and convenient assembled steel structure escalator can drive the rotation of the connecting shaft 27 and the second helical gear 26 through the rotation of the knob 28 in the using process, can drive the rotation of the first helical gear 25 and the second threaded rod 20 through the rotation of the second helical gear 26, can drive the movement of the second wedge-shaped block 21 through the rotation of the second threaded rod 20 under the action of the threads, can push the first wedge-shaped block 16 to move in the vertical direction through the movement of the second wedge-shaped block 21, can drive the platform 6 to move through the movement of the first wedge-shaped block 16, can limit the movement of the platform 6 through the matching of the first wedge-shaped block 16, the positioning groove 18 and the second spring 19, can limit the height of the top plate 5 through the movement of the platform 6, can drive the rotation of the first threaded rod 8 through the action of the stepping motor, and can drive the movement of the supporting plate 9 through the rotation of the first threaded rod 8, can play limiting displacement to connecting block 12 in the inside slip of installation piece 13 through the effect of spring 15, can play supporting role to the rotation of flexible bracing piece 11 through the effect of connecting block 12, can play limiting displacement to the removal of backup pad 9 through the effect of flexible bracing piece 11, can play the guide effect to the removal of backup pad 9 through the effect of flexible post 10, the removal through backup pad 9 can drive the removal of removal post 4, the removal through removal post 4 can drive the removal of roof 5, through the adjustment of platform 6 at 1 inside height of staircase and the height of the adjustable roof 5 of the adjustment of removal post 4 at the 2 inside heights of jacket post, make the level of roof 5 be close with steel structure platform's level, make the device can be applicable to not steel structure platform of co-altitude, the utilization ratio of the device has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a light-duty convenient assembled steel construction staircase, includes roof (5), its characterized in that: staircase (1) is installed to the below of roof (5), two cover posts (2) are installed to the rear symmetry of staircase (1), the inside sliding connection of cover post (2) has removal post (4) of adjusting roof (5) height, the inside sliding connection of staircase (1) has platform (6) that are located terminal surface adjustment roof (5) height under roof (5), install the locating part of adjustment platform (6) position on staircase (1).

2. A light weight, ready-to-assemble steel structural escalator as claimed in claim 1, wherein: the locating part includes No. two threaded rods (20), the bilateral symmetry of No. two threaded rods (20) surface is equipped with reverse screw thread, the spacing groove has been seted up to the inside of staircase (1), the both ends of No. two threaded rods (20) all pass through the bearing with the inner wall of spacing groove and are connected, the outside sliding connection of No. two threaded rods (20) has two No. two wedge (21), the thread groove has been seted up to the inside of No. two wedge (21), No. two wedge (21) pass through threaded connection with No. two threaded rods (20), the intermediate position department fixed mounting of No. two threaded rods (20) has a helical gear (25), helical gear (25) is kept away from one side of No. two threaded rods (20) and is installed No. two helical gear (26), helical gear (25) and No. two helical gear (26) meshing, the axle center position department fixed mounting of No. two helical gear (26) has connecting axle center (27), connecting axle (27) are connected through the post groove with staircase (1), connecting axle (27) extend to the outside of staircase (1), the extension fixed mounting of connecting axle (27) has knob (28), the bottom fixed mounting of platform (6) has wedge (16), the slope of a wedge (16) and the slope adaptation of No. two wedges (21).

3. A light weight, convenient and fast assembled steel structure escalator as claimed in claim 2, wherein: no. two wedge (21) keep away from one end fixed mounting of a wedge (16) has fixed block (22), the cylindrical groove has been seted up to the inside of fixed block (22), two the internally mounted of fixed block (22) has guide arm (23), fixed block (22) are through the cylindrical groove with guide arm (23) and are connected, the both ends of guide arm (23) all pass through welded connection, two with the spacing groove the intermediate position department fixed mounting of fixed block (22) has No. three spring (24) that are located guide arm (23) outside, the one end of No. three spring (24) is through welded connection with fixed block (22).

4. A light weight, ready-to-assemble steel structural escalator as claimed in claim 3, wherein: platform (6) are close to one end fixed mounting of a wedge (16) have locating plate (17), and constant head tank (18) have all been seted up to the both sides of spacing groove, locating plate (17) pass through constant head tank (18) with staircase (1) and constitute sliding construction, one side fixed mounting that a wedge (16) was kept away from in locating plate (17) has spring (19) No. two, the one end and locating plate (17) of spring (19) pass through welded connection, the one end that locating plate (17) were kept away from in spring (19) and the inner wall of constant head tank (18) pass through welded connection No. two.

5. A light weight, convenient and fast assembled steel structure escalator as claimed in claim 4, wherein: the utility model discloses a jacket post, including jacket post (2), staircase (1), cover post (2) and staircase (1) through three connecting rod (3) fixed connection, square groove (29) have been seted up to the inside of jacket post (2), cover post (2) and removal post (4) constitute sliding construction through square groove (29), storage tank (7) have been seted up to the inside of removing post (4), the internally mounted of square groove (29) has the adjustment to move the driving piece of post (4) position.

6. A light weight, convenient and fast assembled steel structure escalator as claimed in claim 5, wherein: the driving piece includes threaded rod (8) No. one, the bottom of threaded rod (8) is installed and is located the inside step motor of cover post (2), and step motor and cover post (2) pass through the screw connection, and step motor's output shaft and threaded rod (8) pass through the coupling joint, threaded rod (8) pass through the bearing with cover post (2) and are connected, step motor's one end is extended to the inside of storage tank (7) is kept away from in threaded rod (8), the outside sliding connection of threaded rod (8) has backup pad (9) that play the supporting role to removal post (4), the thread groove has been seted up to the inside central point of backup pad (9) position department, backup pad (9) pass through threaded connection with threaded rod (8).

7. A light weight, convenient and fast assembled steel structure escalator as claimed in claim 6, wherein: four end angle departments of terminal surface all articulate under backup pad (9) have flexible bracing piece (11), the bottom swing joint of flexible bracing piece (11) has connecting block (12), installation piece (13) that are located square groove (29) inner wall are installed in the outside of connecting block (12), spout (14) have been seted up to the inside of installation piece (13), sliding structure is constituteed through installation piece (13) to installation piece (13) and connecting block (12), one side fixed mounting of connecting block (12) has spring (15), four end angle departments of backup pad (9) up end all fixed mounting have flexible post (10), flexible post (10) one end passes through welded connection with backup pad (9), the one end that backup pad (9) were kept away from in flexible post (10) is passed through welded connection with the top of cover post (2) inner wall.