CN218912033U

CN218912033U - Stable support type steel ladder

Info

Publication number: CN218912033U
Application number: CN202223083261.3U
Authority: CN
Inventors: 王熙惟; 杨开红; 王闻轩
Original assignee: Changsha Wanglaowu Iron Art Products Co ltd
Current assignee: Changsha Wanglaowu Iron Art Products Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-25
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a stable support type steel ladder which comprises a fixed seat, wherein the top of the fixed seat is fixedly connected with a fixed block, the top of the fixed block is fixedly connected with damping springs, the number of the damping springs is three, the top of the damping springs is fixedly connected with a supporting plate, and the top of the supporting plate is fixedly connected with a plurality of anti-skid blocks. The stable supporting type steel ladder provided by the utility model is provided with the supporting plate and the damping spring, the supporting plate and the damping spring can be arranged at the bottom of the steel ladder pedal, the supporting plate and the damping spring are mutually matched to support and buffer the pedal, the service life of the pedal is prolonged, the stability is increased, the bearing capacity of the pedal is more uniform, the pedal is prevented from deforming, the pedals of most traditional steel ladders are made of a single layer of iron sheet, the middle part of the pedal is not supported, the middle part of the pedal is deformed after long-time treading, the bearing capacity is gradually lowered, and the danger of fracture is provided.

Description

Stable support type steel ladder

Technical Field

The utility model relates to the technical field of steel ladders, in particular to a stable support type steel ladder.

Background

In the application publication number CN216380324U, application publication day 2022-04-26, the name is among the utility model patent application of a steel construction straight running stair, it includes first ladder pole, second ladder pole, footboard, rotor plate and securing device, one side of first ladder pole is provided with the footboard, the inner wall sliding connection of first ladder pole has the rotor plate, the second ladder pole is located one side setting of first ladder pole, securing device sets up the inner wall at the second ladder pole, securing device includes securing plate and rotatory piece, the inner wall sliding connection of securing plate and second ladder pole, rotatory piece rotates with the inner wall of second ladder pole to be connected, the inner wall joint of securing plate and first ladder pole, the fixed surface of securing plate is connected with the slider, the surface sliding connection of slider and second ladder pole, the firm groove has been seted up to the surface of securing plate. The advantages are that: according to the utility model, the fixing device is arranged, so that the steel structure stair can be conveniently and rapidly assembled, the stability of the stair is improved, the workload of a user is reduced, the mounting efficiency of the stair is improved, and the normal use of equipment is facilitated.

In the prior art including above-mentioned patent, the footboard of steel ladder is all made by single one deck iron sheet, and the middle part of footboard does not have the thing to support, tramples for a long time and can lead to the part in the middle of the footboard to produce deformation, and the bearing capacity descends gradually, has cracked danger, and the footboard life that does not have to support is shorter, has certain danger and stability relatively poor.

Disclosure of Invention

The utility model aims to provide a stable support type steel ladder so as to solve the problems that the middle part is easy to deform due to long-time treading without support at the bottom of a pedal, and the pedal is short in service life and poor in stability.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steady rest type steel ladder, includes the fixing base, the top fixedly connected with fixed block of fixing base, the top fixedly connected with damping spring of fixed block, damping spring's quantity is three, damping spring's top fixedly connected with backup pad, the top fixedly connected with of backup pad a plurality of non slipping spur, the equal fixedly connected with handle in front and the back of fixing base.

Further, the both sides sliding connection of fixing base inner wall has the movable plate, the equal fixedly connected with bracing piece in both sides at movable plate top, the top of bracing piece runs through fixing base and fixed block in proper order and extends to the outside of fixed block, the top fixedly connected with ejector pad of bracing piece.

Further, the movable plate is rotatably connected with a first threaded rod, the top of the first threaded rod is rotatably connected with the bottom of the fixed seat, and the bottom of the first threaded rod is fixedly connected with a handle.

Further, the both sides of fixing base all are provided with the expansion bracket, the top and the bottom of expansion bracket both sides all articulate there is the roating seat, and the upside is two the roating seat is connected with one side of fixing base looks sliding, and the downside is two one side fixed connection of roating seat and fixing base.

Further, the opposite side sliding connection of roating seat has the fixed rail, sliding connection has the movable block on the fixed rail, the front rotation of movable block is connected with the spacing screw, one side fixedly connected with limiting plate of movable block.

Further, one side of the limiting plate is penetrated with a second threaded rod, one side of the second threaded rod is fixedly connected with an extrusion plate, and the other side of the second threaded rod is fixedly connected with a rotary button.

Compared with the prior art, the utility model has the beneficial effects that: this steady support type steel ladder is reasonable, has following advantage:

(1) The pedal of the steel ladder is provided with the supporting plate and the damping spring, the supporting plate and the damping spring are matched with each other to support and buffer the pedal, so that the bearing capacity of the pedal is more uniform, the pedal is prevented from being deformed, the service life of the pedal is prolonged, the stability is improved, the pedal is safer when in use, the pedal of most traditional steel ladders is made of a single layer of iron sheet, the middle part of the pedal is not supported by things, the middle part of the pedal is deformed due to long-time treading, the bearing capacity is gradually lowered, and the pedal is broken;

(2) The utility model is provided with the push block, the push block can be driven to move upwards by rotating the first threaded rod, when the pedal of the steel ladder is deformed, the support plate is fixed at the bottom of the deformed steel ladder, the push block can drive the support plate to prop up the middle part of the steel ladder upwards by moving upwards, and the deformed steel ladder is corrected to recover the shape, so that the effect of correcting the deformation is achieved;

(3) The utility model is provided with the extrusion plate and the limiting plate, the extrusion plate and the limiting plate can be clamped and fixed by being matched with each other, the extrusion plate can be moved in the limiting plate by rotating the second threaded rod through the rotary knob, the disassembly and the assembly are very simple, the aim of quick disassembly and assembly can be achieved, the extrusion plate and the limiting plate can be matched and fixed on the side plates on two sides of the steel ladder, the fixing seat is integrally fixed at the bottom of the steel ladder for supporting, the telescopic frame can be better suitable for the lengths of different steel ladders, and the supporting plate always keeps the middle position for providing support and buffering for the steel ladder.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front view schematically showing the structure of the fixing base of the present utility model;

fig. 3 is a front view schematically showing the structure of the telescopic frame of the present utility model.

In the figure: 1. a support plate; 2. a fixing seat; 3. a limiting plate; 4. a rotating seat; 5. a handle; 6. a telescopic frame; 7. a fixed rail; 8. a limit screw; 9. an anti-skid block; 10. a pushing block; 11. a damping spring; 12. a handle; 13. a fixed block; 14. a support rod; 15. a first threaded rod; 16. a moving plate; 17. a rotary knob; 18. a movable block; 19. an extrusion plate; 20. and a second threaded rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution:

example 1:

the utility model provides a steady rest type steel ladder, including fixing base 2, the top fixedly connected with fixed block 13 of fixing base 2, the top fixedly connected with damping spring 11 of fixed block 13, damping spring 11's quantity is three, damping spring 11's top fixedly connected with backup pad 1, backup pad 1 and damping spring 11 mutually support and cushion the footboard, make the bearing capacity of footboard more even, can avoid the footboard to produce deformation, backup pad 1's top fixedly connected with a plurality of non slipping spur 9, the equal fixedly connected with handle 12 in front and the back of fixing base 2.

The both sides of fixing base 2 all are provided with expansion bracket 6, and the top and the bottom of expansion bracket 6 both sides all articulate there is roating seat 4, and two roating seats 4 in upside are connected with one side of fixing base 2 looks sliding, and two roating seats 4 in downside are connected with one side fixed as of fixing base 2, and expansion bracket 6 can adapt to the length of different steel ladders better.

The other side sliding connection of roating seat 4 has fixed rail 7, and sliding connection has movable block 18 on the fixed rail 7, and the front rotation of movable block 18 is connected with spacing screw 8, and one side fixedly connected with limiting plate 3 of movable block 18.

One side of the limiting plate 3 is penetrated by a second threaded rod 20, one side of the second threaded rod 20 is fixedly connected with a squeeze plate 19, and the other side of the second threaded rod 20 is fixedly connected with a rotary knob 17.

When the pedal is used, the supporting plate 1 is fixed at the bottom of the pedal of the steel ladder, the length of the telescopic frame 6 is adjusted according to the length of the pedal during fixing, the limiting plate 3 is clamped on the side plates on two sides of the steel ladder after the adjustment is completed, the rotary knob 17 is rotated, the rotary knob 17 is stressed and then drives the second threaded rod 20 to rotate, the second threaded rod 20 drives the extruding plate 19 to move in the limiting plate 3, the extruding plate 19 is moved to be clamped and fixed on the side plates with the limiting plate 3, the fixing position of the limiting plate 3 can be adjusted through the fixing rail 7, the supporting plate 1 is guaranteed to be positioned in the middle of the pedal during fixing, and the supporting plate 1 and the damping spring 11 are matched with each other to support and buffer the pedal, so that the bearing capacity of the pedal is more uniform and deformation of the pedal can be avoided.

Example 2:

the both sides sliding connection of fixing base 2 inner wall has movable plate 16, and the both sides at movable plate 16 top all fixedly connected with bracing piece 14, and the top of bracing piece 14 runs through fixing base 2 and fixed block 13 in proper order and extends to the outside of fixed block 13, and the top fixedly connected with ejector pad 10 of bracing piece 14, ejector pad 10 upwards move can drive backup pad 1 upwards and prop up the middle part of steel ladder, correct the steel ladder that originally produces the deformation and make its recovery shape.

The movable plate 16 is rotatably connected with a first threaded rod 15, the top of the first threaded rod 15 is rotatably connected with the bottom of the fixed seat 2, and the bottom of the first threaded rod 15 is fixedly connected with the handle 5.

When the pedal of the steel ladder is deformed, the supporting plate 1 can be fixed at the bottom of the deformed steel ladder, the rotating handle 5 drives the first threaded rod 15 to rotate, the moving plate 16 is driven to move upwards when the first threaded rod 15 rotates, the moving plate 16 drives the supporting rod 14 to move upwards, the supporting rod 14 drives the push blocks 10 to move upwards to prop against the positions, close to the middle, of the two sides of the supporting plate 1, and at the moment, the supporting plate 1 can prop against the pedal with the deformation in the middle position to restore the shape after being subjected to upward force of the push blocks 10, so that the effect of correcting the deformation is achieved.

Working principle: when the steel ladder is used, firstly, the supporting plate 1 needs to be fixed at the bottom of the pedal of the steel ladder, the length of the expansion bracket 6 is adjusted according to the length of the pedal during fixing, the limiting plate 3 is clamped at the side plates at the two sides of the steel ladder after the adjustment is completed, the rotating knob 17 is rotated, the rotating knob 17 is stressed and then drives the second threaded rod 20 to rotate, the second threaded rod 20 drives the extruding plate 19 to move in the limiting plate 3, the extruding plate 19 is moved to be clamped and fixed on the side plates through the limiting plate 3, the fixing position of the limiting plate 3 can be adjusted through the fixing rail 7, the supporting plate 1 is ensured to be positioned at the middle position of the pedal during fixing, the supporting plate 1 and the damping spring 11 are mutually matched to support and buffer the pedal, the pedal bearing force can be more uniformly prevented from deforming, when the pedal of the steel ladder is deformed, the supporting plate 1 can be fixed at the bottom of the steel ladder after deformation, the rotating handle 5 drives the first threaded rod 15 to rotate, the moving plate 16 is driven to move upwards at the moment, the supporting rod 14 drives the supporting rod 14 to move upwards, the supporting rod 10 to move upwards to the position close to the middle position of the supporting plate 1, and the deformation effect can be corrected.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a steady support type steel ladder, includes fixing base (2), its characterized in that: the utility model discloses a fixing base, including fixing base (2), damping spring (11), supporting plate (1), fixed block (13) are fixedly connected with at the top of fixing base (2), damping spring (11)'s top fixedly connected with damping spring (11) quantity is three, the top fixedly connected with antiskid piece (9) of supporting plate (1), the front and the equal fixedly connected with handle (12) in the back of fixing base (2).

2. A steady rest type steel ladder according to claim 1, characterized in that: the utility model discloses a fixed seat, including fixing base (2) and fixed block (13), both sides sliding connection of fixing base (2) inner wall has movable plate (16), the both sides at movable plate (16) top are all fixedly connected with bracing piece (14), the top of bracing piece (14) runs through fixing base (2) and fixed block (13) in proper order and extends to the outside of fixed block (13), the top fixedly connected with ejector pad (10) of bracing piece (14).

3. A steady rest type steel ladder according to claim 2, characterized in that: the movable plate (16) is rotatably connected with a first threaded rod (15), the top of the first threaded rod (15) is rotatably connected with the bottom of the fixed seat (2), and the bottom of the first threaded rod (15) is fixedly connected with a handle (5).

4. A steady rest type steel ladder according to claim 1, characterized in that: the telescopic support is characterized in that telescopic supports (6) are arranged on two sides of the fixed base (2), rotating bases (4) are hinged to the top and the bottom of two sides of the telescopic supports (6), the upper two rotating bases (4) are connected with one side of the fixed base (2) in a sliding mode, and the lower two rotating bases (4) are fixedly connected with one side of the fixed base (2).

5. The steady rest type steel ladder of claim 4, wherein: the rotary seat is characterized in that a fixed rail (7) is slidably connected to the other side of the rotary seat (4), a movable block (18) is slidably connected to the fixed rail (7), a limit screw (8) is rotatably connected to the front face of the movable block (18), and a limit plate (3) is fixedly connected to one side of the movable block (18).

6. The steady rest type steel ladder of claim 5, wherein: one side of limiting plate (3) runs through has second threaded rod (20), one side fixedly connected with stripper plate (19) of second threaded rod (20), the opposite side fixedly connected with turn button (17) of second threaded rod (20).