CN114575737A - Novel steel cat ladder is used temporarily in construction of assembled structure - Google Patents
Novel steel cat ladder is used temporarily in construction of assembled structure Download PDFInfo
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- CN114575737A CN114575737A CN202210275324.0A CN202210275324A CN114575737A CN 114575737 A CN114575737 A CN 114575737A CN 202210275324 A CN202210275324 A CN 202210275324A CN 114575737 A CN114575737 A CN 114575737A
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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
- E06C1/14—Ladders capable of standing by themselves
- E06C1/24—Non-hinged free-standing ladders
- E06C1/28—Non-hinged free-standing ladders multi-part
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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
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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
- E06C7/081—Rungs or other treads comprising anti-slip features
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Abstract
The invention relates to the technical field of steel crawling ladders, in particular to a novel steel crawling ladder for temporary construction of an assembly type structure, wherein a telescopic I-beam is inserted in a fixed cylinder in a sliding manner and comprises an I-shaped bottom plate, a pair of end blocks which are symmetrical front and back, a pair of outer side plates which are symmetrical left and right and a lifting pressure plate, the pair of end blocks which are symmetrical front and back are fixed at the front end and the rear end of the I-shaped bottom plate through connecting bolts, inner conical strips are installed on the inner sides of the outer side plates, conical surfaces on two sides of the lifting pressure plate are attached to the outer walls of the upper ends of the inner conical strips, and the upper ends of the lifting pressure plate are rotatably attached to the end parts of the lower ends of fastening screw rods, and the steel crawling ladder has the advantages that: utilize flexible footboard and flexible I-beam in the base, and then realize carrying out the adaptation to the clearance that dimensional deviation produced for the accurate installation of carriage has increased application scope in not unidimensional elevartor shaft, utilizes the extrusion of fastening screw rotary type and the clamp plate cooperation of lift installation simultaneously, forms the side direction extrusion of conical surface, thereby realizes transversely and vertically extrudeing fixedly simultaneously.
Description
Technical Field
The invention relates to the technical field of steel crawling ladders, in particular to a novel temporary steel crawling ladder for assembly type structure construction.
Background
Foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like, wherein the construction operation place is called a building construction site or a construction site, also called a construction site, so that in the operation environment, workers need to move up and down, and therefore the ladder stand can be frequently used, but the existing ladder stand still has defects in the later use process;
1. most of the existing temporary steel crawling ladders for construction are welded and formed, and in the later use process, the whole device can only be used in elevator shafts with the same size due to different sizes of the elevator shafts reserved in the assembly type construction site, so that the use range of the whole device can be greatly reduced;
2. the temporary steel cat ladder of using of current construction does not all install the footboard additional at the entrance of cat ladder, links up whole device and the junction of elevartor shaft, because certain gap can appear in the junction, consequently brings certain potential safety hazard for the work of staff's later stage.
Disclosure of Invention
The invention aims to provide a novel temporary steel ladder stand for assembly structure construction, and the problem of size adaptation of the conventional ladder stand is solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a novel steel cat ladder is used temporarily in assembly structure construction, the steel cat ladder includes:
the upper end of one side of the supporting frame is provided with a supporting frame connected with an assembling wall surface;
the base is arranged at the lower end of the supporting frame, a pedal which is installed in a telescopic inserting mode is arranged on the outer wall of one side, opposite to the supporting frame, of the base, fixing cylinders are arranged on the front side and the rear side of the base, and fastening screws are rotatably arranged at positions, corresponding to the fixing cylinders, of the supporting frame in a threaded mode;
the mounting ladder is fixedly mounted in the inner cavity of the supporting frame, a lower end port of the mounting ladder is communicated with the upper end face of the base, and an upper end port of the mounting ladder extends to the upper end of the supporting frame;
the telescopic I-beam is slidably inserted into the fixing cylinder, the front end of the telescopic I-beam is provided with a connecting plate fixedly connected with the assembling beam, the telescopic I-beam comprises an I-shaped bottom plate, a pair of end blocks which are symmetrical front and back, a pair of outer side plates which are symmetrical left and right and lifting pressure plates, the pair of end blocks which are symmetrical front and back are fixed at the front and back ends of the I-shaped bottom plate through connecting bolts, the outer side plates are slidably inserted into the side wall of the I-shaped bottom plate, inner conical strips are arranged on the inner sides of the outer side plates, the lifting pressure plates are vertically and slidably arranged in the inner cavity of the I-shaped bottom plate, conical surfaces on two sides of each lifting pressure plate are attached to the outer walls of the upper ends of the inner conical strips, the upper ends of the lifting pressure plates are rotatably attached to the end portions of the fastening screws, and the lower ends of the lifting pressure plates are elastically pressed with the inner walls of the lower ends of the I-shaped bottom plate.
Preferably, the outer wall of the support frame is provided with an anti-slip strip, the anti-slip strip is pressed between the support frame and the assembly wall surface, the end surface of the upper end of the support frame, which is located on the other side of the support frame, is provided with a hinged support, and the hinged support is rotatably provided with an extending rotating plate.
Preferably, four corner positions of the lower end face of the supporting frame are provided with connecting columns which vertically extend, the base is connected onto the connecting columns in an inserting mode, and the base is fixed on the lower end face of the supporting frame through nuts which rotate on the connecting columns.
Preferably, be provided with the reinforcing beam of linear distribution on the lateral wall of carriage, be provided with the board of standing on the middle lateral wall of carriage, be provided with the handrail on the installation ladder, be provided with the ladder board that the ladder progressively distributes on the lateral wall of installation ladder, the intermediate junction section of installation ladder is installed on the board of standing.
Preferably, an open-type clamping groove is formed in the upper end of the I-shaped bottom plate, the upper end of the clamping groove is opposite to the lower end of the fastening screw rod, three groups of linearly distributed bottom posts are arranged on the inner wall of the lower end of the I-shaped bottom plate, a sleeve which is sleeved on the outer wall of each bottom post in a sliding mode is arranged at the lower end of the pressure rising and reducing plate, a first spring is arranged at the upper end of each bottom post, and the first spring is pressed between the bottom posts and the inner wall of the upper end of the sleeve.
Preferably, the side wall of the I-shaped bottom plate is provided with a pair of accommodating grooves, the outer side plate is provided with cross rods which are linearly distributed, the cross rods penetrate through the accommodating grooves and are inserted in the accommodating grooves in a sliding mode, the cross rods extend into the clamping grooves, the end portions of the cross rods are connected with inner conical strips, second springs are arranged between the inner conical strips and the inner walls of the clamping grooves, and the second springs are transversely sleeved on the outer walls of the cross rods.
Preferably, one side of the inner conical strip is inserted into the inner wall of the clamping groove in a sliding mode, the other side of the inner conical strip is provided with a downward inclined conical surface, and the lower end of the pressure rising and reducing plate is provided with an inclined surface attached to the upper conical surface of the inner conical strip.
Preferably, the pedal is inserted on the base in a sliding mode, the side frames are arranged on two sides of the pedal, inserting strips are arranged at the upper ends of the side frames, the end portion of the front side of each side frame is provided with a connecting rod, and the connecting rods are fixed on the end block of the front side of the telescopic I-shaped beam.
Preferably, one side of the pedal extends to the outer side of the base, an extension rod is arranged on the other side of the pedal, a T-shaped slot which is matched and spliced with the inserting strip is arranged on the base, a guide supporting tube is arranged on the other side of the base, and the extension rod is slidably spliced in the guide supporting tube.
Preferably, the upper end of the rear side of the end block is provided with an extension plate, the extension plates on the end block cover two ends of the clamping groove, and the pressure rising and reducing plate is positioned at the lower end of the extension plate.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the base is arranged at the lower end of the installed support frame, and the gap generated by size deviation is adapted by utilizing the telescopic pedal and the telescopic I-beam in the base, so that the support frame is accurately installed in elevator shafts with different sizes, the application range is enlarged, and meanwhile, the lateral extrusion of a conical surface is formed by utilizing the rotary extrusion of the fastening screw rod and the cooperation of the lifting-installed pressing plate, so that the transverse and longitudinal simultaneous extrusion and fixation are realized, the fixing strength of the telescopic length is greatly improved, and the falling-off is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the telescoping I-beam of the present invention installed;
FIG. 3 is a cross-sectional view of a telescoping I-beam of the present invention;
FIG. 4 is a cross-sectional schematic view of a telescoping I-beam of the present invention;
FIG. 5 is a perspective assembly view of the telescoping I-beam of the present invention;
FIG. 6 is a schematic perspective view of the pedal of the present invention;
FIG. 7 is a schematic view of the connection structure of the outer panel and the inner tapered strip according to the present invention.
In the figure: 1. a support frame; 2. a base; 3. connecting columns; 4. an extension rod; 5. a guide supporting tube; 6. a pedal; 7. fastening a screw rod; 8. mounting a ladder; 9. hinging seats; 10. an extension rotating plate; 11. a handrail; 12. a reinforcing cross beam; 13. a support frame; 14. anti-slip strips; 15. standing the plate; 16. a step plate; 17. a fixed cylinder; 18. a telescopic I-beam; 19. connecting plates; 20. a connecting bolt; 21. a T-shaped slot; 22. a side frame; 23. cutting; 24. a card slot; 25. an end-block; 26. a voltage rising and falling plate; 27. a sleeve; 28. a first spring; 29. an I-shaped bottom plate; 30. a bottom pillar; 31. a second spring; 32. a receiving groove; 33. an inner conical strip; 34. an outer panel; 35. a cross bar; 36. a connecting rod.
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.
Referring to fig. 1 to 7, the present invention provides a technical solution:
example 1:
novel steel cat ladder is used temporarily in assembly structure construction, steel cat ladder includes carriage 1, base 2, installation ladder 8 and flexible I-beam 18
The upper end of one side of the support frame 1 is provided with a support frame 13 connected with an assembly wall surface, the front end of the telescopic I-beam 18 is provided with a connecting plate 19 fixedly connected with an assembly beam, and the support frame 1 is fixedly mounted in the elevator shaft through the matching of the support frame 13 and the connecting plate 19.
The base 2 is installed at the lower end of the support frame 1, the outer wall of one side, opposite to the support frame 13, of the base 2 is provided with the pedal 6 which is installed in a telescopic insertion mode, the pedal 6 is inserted in the base 2 in a sliding mode, the two sides of the pedal 6 are provided with the side frames 22, the upper ends of the side frames 22 are provided with the insertion strips 23, the end portion of the front side of each side frame 22 is provided with the connecting rod 36, the connecting rod 36 is fixed to the end block 25 of the front side of the telescopic I-beam 18, and the pedal 6 is fixedly connected with the telescopic I-beam 18 through the matching of the connecting rod 36 and the side frames 22.
The front side and the rear side of the base 2 are provided with the fixed cylinders 17, the telescopic I-shaped beam 18 is inserted in the fixed cylinders 17 in a sliding mode, the telescopic I-shaped beam 18 comprises an I-shaped bottom plate 29, a pair of end blocks 25 which are symmetrical in front and rear, a pair of outer side plates 34 which are symmetrical in left and right and a lifting pressure plate 26, the telescopic I-shaped beam 18 which is installed in a telescopic mode is used for driving the pedal 6 to slide in a telescopic mode, so that gaps caused by size deviation of the pedal 6 and the telescopic I-shaped beam 18 are plugged, the supporting frame is accurately installed in elevator shafts of different sizes, the application range is enlarged, and the use safety is improved.
The supporting frame 1 is rotatably provided with a fastening screw 7 through threads at a position corresponding to the fixed cylinder 17, a pair of end blocks 25 which are symmetrical front and back are fixed at the front end and the back end of the I-shaped bottom plate 29 through connecting bolts 20, an outer side plate 34 is inserted on the side wall of the I-shaped bottom plate 29 in a sliding manner, an inner tapered strip 33 is arranged at the inner side of the outer side plate 34, a lifting pressure plate 26 is vertically and slidably arranged in the inner cavity of the I-shaped bottom plate 29, conical surfaces at the two sides of the lifting pressure plate 26 are attached to the outer wall at the upper end of the inner tapered strip 33, one side of the inner tapered strip 33 is inserted in the inner wall of the clamping groove 24 in a sliding manner, the other side of the inner tapered strip 33 is provided with a downward inclined surface, the lower end of the lifting pressure plate 26 is provided with an inclined surface attached to the upper conical surface of the inner tapered strip 33, the upper end of the lifting pressure plate 26 is rotatably attached to the lower end part of the fastening screw 7, the lower end of the lifting pressure plate 26 is elastically pressed to the inner wall at the lower end of the I-shaped bottom plate 29 by the rotation of the fastening screw 7, make pressure rising and dropping board 26 descend, pressure rising and dropping board 26 descends in-process pressfitting on interior tapered strip 33 for interior tapered strip 33 lateral sliding, thereby drive outer panel 34 pressfitting on the inner wall of fixed section of thick bamboo 17, realize transversely and vertically extrusion fixed simultaneously, improved the fixed intensity of flexible length greatly, avoid droing.
Example 2:
on embodiment 2 basis, in order to improve footboard 6's slip stability and support strength, avoid causing the fracture when trampling, this application still has the outside that extends to base 2 in one side of footboard 6, footboard 6's opposite side is provided with extension rod 4, be provided with the T shape slot 21 of pegging graft with the cooperation of cutting 23 on the base 2, base 2's opposite side is provided with direction stay tube 5, extension rod 4 slides and pegs graft in direction stay tube 5, cooperation through setting up T shape slot 21 and cutting 23, make footboard 6 realize spacing slip, utilize the slip of extension rod 4 on direction stay tube 5, thereby realize the support to footboard 6 tip, prevent that the atress extrusion from causing the fracture to drop.
Example 3:
on embodiment 1's basis, in order to improve the installation intensity of the 1 corner of carriage, avoid droing with assembly wall or crossbeam, this application still has and is provided with antislip strip 14 on the outer wall of support frame 13, and antislip strip 14 pressfitting is provided with free bearing 9 on the terminal surface that the support frame 1 upper end is located the opposite side of support frame 13 between support frame 13 and the assembly wall, rotates on the free bearing 9 to install and extends commentaries on classics board 10.
The anti-slip strips 14 are arranged outside the supporting frame 13, so that the device can be more stably contacted with the wall surface, and the mounting stability of the device can be further improved; meanwhile, the worker can overlap one end, far away from the supporting frame 1, of the extending rotating plate 10 with the beam above the elevator shaft and fix the beam through bolts, so that the front of an entrance and an exit at the top of the device is smoother, and the worker can walk more conveniently.
Example 4:
on the basis of embodiment 1, in order to make the size deviation of the different angles of installation adaptation of carriage 1, this application still has and sets up the spliced pole 3 of vertical extension in four corner positions of the lower terminal surface of carriage 1, and base 2 pegs graft on spliced pole 3, and base 2 is fixed at the lower terminal surface of carriage 1 through rotating the nut of rotating on spliced pole 3.
Through setting up base 2 to detachable installation, and then can have the side quantity of size difference to select the base 2 of suitable quantity to install according to carriage 1 and elevartor shaft inner wall, through the installation that increases or reduces base 2 for carriage 1's four terminal surfaces all can be realized and elevartor shaft inner wall between exist fill, improve carriage 1's application scope.
Example 5:
on the basis of embodiment 1, in order to improve the lifting stability of the lifting pressure reducing plate 26, avoid the lifting pressure reducing plate 26 to cause the lateral extrusion of the inner tapered strip 22 due to the gravity pushing down, and then make the telescopic adjustment cause the blocking, the present application further has the structure that the upper end of the i-shaped bottom plate 29 is provided with the open-type clamping groove 24, the upper end of the clamping groove 24 is just opposite to the lower end of the fastening screw 7, three groups of bottom posts 30 which are linearly distributed are arranged on the inner wall of the lower end of the i-shaped bottom plate 29, the lower end of the lifting pressure reducing plate 26 is provided with the sleeve 27 which is slidably sleeved on the outer wall of the bottom post 30, the upper end of the bottom post 30 is provided with the first spring 28, and the first spring 28 is pressed between the inner walls of the upper ends of the bottom post 30 and the sleeve 27.
Through setting up first spring 28 between lift clamp plate 26 and I-shaped bottom plate 29 inner wall to through the support of first spring 28, realize the injecing to lift clamp plate 26 height, after fastening screw 7 extrudees, the automatic rising that realizes lift clamp plate 26 through the elasticity that resets of first spring 28 resets simultaneously, the subsequent flexible regulation of being convenient for.
Example 6:
on the basis of embodiment 5, in order to improve the position accuracy of outer panel 34, this application still has to be provided with a pair of groove 32 of accomodating at the lateral wall of I-shaped bottom plate 29, is provided with linear distribution's horizontal pole 35 on outer panel 34, and horizontal pole 35 runs through the slip and pegs graft in accomodating groove 32, and horizontal pole 35 extends to in the draw-in groove 24, and interior awl strip 33 of end connection of horizontal pole 35, is provided with second spring 31 between interior awl strip 33 and the draw-in groove 24 inner wall, and second spring 31 transversely cup joints on the outer wall of horizontal pole 35.
Make outer panel 34 accomodate in I-shaped bottom plate 29 through setting up and accomodate groove 32, avoid causing the separation to flexible regulation, utilize second spring 31 to inject outer panel 34 position simultaneously, when fastening screw 7 rose, through the elasticity that resets of second spring 31 for outer panel 34 is automatic, accurate to be retrieved to accomodating in the groove 32.
Example 7:
in addition to embodiment 6, in order to prevent the pressure rising and lowering plate 26 from falling off the engaging groove 24 due to its excessively high height, the present application further includes an extension plate provided at the rear upper end of the end block 25, the extension plates of the end block 25 covering both ends of the engaging groove 24, and the pressure rising and lowering plate 26 being located at the lower end of the extension plate.
The end block 25 is provided with an extension plate, and the extension plate is used for limiting the positions above two ends of the clamping groove 24, so that the purpose of limiting the lifting height of two ends of the pressure lifting and lowering plate 26 is achieved.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a novel steel cat ladder is used temporarily in assembly type structure construction which characterized in that: the steel cat ladder includes:
the support frame (1), the upper end of one side of the support frame (1) is provided with a support frame (13) connected with an assembly wall surface;
the base (2) is installed at the lower end of the supporting frame (1), a telescopic insertion-installed pedal (6) is arranged on the outer wall of one side, opposite to the supporting frame (13), of the base (2), fixed cylinders (17) are arranged on the front side and the rear side of the base (2), and fastening screws (7) are rotatably installed at positions, corresponding to the fixed cylinders (17), of the supporting frame (1) in a threaded manner;
the mounting ladder (8) is fixedly mounted in the inner cavity of the supporting frame (1), the lower end port of the mounting ladder (8) is communicated with the upper end face of the base (2), and the upper end port of the mounting ladder (8) extends to the upper end of the supporting frame (1);
the telescopic I-beam (18) is inserted into the fixing cylinder (17) in a sliding mode, a connecting plate (19) fixedly connected with the assembling beam is arranged at the front end of the telescopic I-beam (18), the telescopic I-beam (18) comprises an I-shaped bottom plate (29), a pair of end blocks (25) which are symmetrical front and back, a pair of outer side plates (34) which are symmetrical left and right and lifting pressure plates (26), the pair of end blocks (25) which are symmetrical front and back are fixed at the front end and the rear end of the I-shaped bottom plate (29) through connecting bolts (20), the outer side plates (34) are inserted into the side walls of the I-shaped bottom plate (29) in a sliding mode, inner conical strips (33) are installed on the inner sides of the outer side plates (34), the lifting pressure plates (26) are vertically and slidably installed in the inner cavity of the I-shaped bottom plate (29), two sides of the lifting pressure plates (26) are attached to the outer walls of the upper ends of the inner conical strips (33), and the upper ends of the lifting pressure plates (26) are attached to the lower end portions of the fastening screw rods (7) in a rotating mode, the lower end of the pressure rising and reducing plate (26) is elastically pressed with the inner wall of the lower end of the I-shaped bottom plate (29).
2. The novel steel ladder stand for the construction of the fabricated structure as claimed in claim 1, wherein: be provided with on the outer wall of support frame (13) antislip strip (14), antislip strip (14) pressfitting is provided with free bearing (9) on the terminal surface that support frame (1) upper end is located the opposite side of support frame (13) between support frame (13) and assembly wall, it rotates board (10) to install to extend on free bearing (9).
3. The novel steel ladder stand for the construction of the fabricated structure as claimed in claim 1, wherein: four corner positions of the lower end face of the supporting frame (1) are provided with connecting columns (3) which vertically extend, the base (2) is inserted into the connecting columns (3), and the base (2) is fixed on the lower end face of the supporting frame (1) through rotating nuts on the connecting columns (3).
4. The novel assembled structure construction temporary steel ladder stand of claim 1, which is characterized in that: be provided with reinforcing beam (12) that linear distribution on the lateral wall of carriage (1), be provided with on the middle lateral wall of carriage (1) and stand board (15), be provided with handrail (11) on installation ladder (8), be provided with ladder board (16) that the ladder progressively distributed on the lateral wall of installation ladder (8), the intermediate junction section of installation ladder (8) is installed on board (15) of standing.
5. The novel steel ladder stand for the construction of the fabricated structure as claimed in claim 1, wherein: an open type clamping groove (24) is formed in the upper end of the I-shaped bottom plate (29), the upper end of the clamping groove (24) is opposite to the lower end of the fastening screw rod (7), three groups of bottom columns (30) which are linearly distributed are arranged on the inner wall of the lower end of the I-shaped bottom plate (29), a sleeve (27) which is sleeved on the outer wall of each bottom column (30) in a sliding mode is arranged at the lower end of the pressure rising and reducing plate (26), a first spring (28) is arranged at the upper end of each bottom column (30), and the first spring (28) is pressed between the bottom columns (30) and the inner wall of the upper end of the sleeve (27).
6. The novel steel ladder stand for the construction of the fabricated structure as claimed in claim 5, wherein: the lateral wall of I-shaped bottom plate (29) is provided with a pair of groove (32) of accomodating, be provided with linear distribution's horizontal pole (35) on outer panel (34), horizontal pole (35) run through the slip and peg graft in accomodating groove (32), and in horizontal pole (35) extended to draw-in groove (24), interior awl strip (33) of end connection of horizontal pole (35), be provided with second spring (31) between interior awl strip (33) and draw-in groove (24) inner wall, second spring (31) transversely cup joints on the outer wall of horizontal pole (35).
7. The novel steel ladder stand for the construction of the fabricated structure as claimed in claim 6, wherein: one side of the inner conical strip (33) is inserted into the inner wall of the clamping groove (24) in a sliding mode, the other side of the inner conical strip (33) is provided with a conical surface inclining downwards, and the lower end of the pressure rising and reducing plate (26) is provided with an inclined surface attached to the upper conical surface of the inner conical strip (33).
8. The novel steel ladder stand for the construction of the fabricated structure as claimed in claim 1, wherein: the pedal (6) is inserted on the base (2) in a sliding mode, the side frames (22) are arranged on two sides of the pedal (6), inserting strips (23) are arranged at the upper ends of the side frames (22), the connecting rod (36) is arranged at the front side end portion of each side frame (22), and the connecting rod (36) is fixed on a front side end block (25) of the telescopic I-shaped beam (18).
9. The novel assembly type structure construction temporary steel ladder stand is as claimed in claim 8, characterized in that: one side of the pedal (6) extends to the outer side of the base (2), an extension rod (4) is arranged on the other side of the pedal (6), a T-shaped slot (21) which is matched and spliced with the inserting bar (23) is arranged on the base (2), a guide supporting tube (5) is arranged on the other side of the base (2), and the extension rod (4) is slidably spliced in the guide supporting tube (5).
10. The novel steel ladder stand for the construction of the fabricated structure as claimed in claim 5, wherein: and the upper end of the rear side of the end block (25) is provided with an extension plate, the extension plates on the end block (25) cover two ends of the clamping groove (24), and the pressure rising and reducing plate (26) is positioned at the lower end of the extension plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210275324.0A CN114575737B (en) | 2022-03-21 | 2022-03-21 | Novel steel cat ladder is used temporarily in assembled structural construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210275324.0A CN114575737B (en) | 2022-03-21 | 2022-03-21 | Novel steel cat ladder is used temporarily in assembled structural construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114575737A true CN114575737A (en) | 2022-06-03 |
| CN114575737B CN114575737B (en) | 2023-07-11 |
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| CN202210275324.0A Active CN114575737B (en) | 2022-03-21 | 2022-03-21 | Novel steel cat ladder is used temporarily in assembled structural construction |
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