CN219220269U

CN219220269U - Portable safety ladder of liftable

Info

Publication number: CN219220269U
Application number: CN202223588931.7U
Authority: CN
Inventors: 邵帅; 张金山; 夏志先
Original assignee: SHANGHAI FENGXIN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Current assignee: SHANGHAI FENGXIN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-20
Anticipated expiration: 2032-12-31

Abstract

The utility model belongs to the technical field of safety facilities, in particular to a portable lifting safety ladder, which comprises a workbench and two guardrails arranged on the surface of the workbench, wherein two sides of each guardrail are rotatably connected with a stop lever, the bottom side of each guardrail is rotatably connected with two support legs A and two support legs B, one side of each support leg B, which is far away from each support leg A, is provided with a ladder leg rotatably connected to the bottom surface of the workbench, a plurality of longitudinally arranged ladder plates are arranged between each support leg B and each ladder leg, and four corners of each ladder plate are respectively rotatably connected with each support leg B and each ladder leg through a rotating shaft; when the user carries sand carbon to remove the surface of workstation, can rotate the pin and open, put sand carbon at the surface of workstation, when carrying out the change operation, the pin is closed the workstation temporarily, plays safety protection to the user, when the user need leave from workstation department, can open the pin, easy operation is convenient.

Description

Portable safety ladder of liftable

Technical Field

The utility model belongs to the technical field of safety facilities, and particularly relates to a portable lifting safety ladder.

Background

The water treatment equipment comprises a sand carbon filtering device, and the sand carbon is required to be replaced periodically after being used for a period of time, so that a safety ladder is required to be used;

through investigation publication (bulletin) number: CN206368681U discloses a portable safety ladder which can be used for replacing filter materials of a sand carbon tank, and the technology discloses that the portable safety ladder comprises a bottom plate, a middle supporting part and a top platform from bottom to top; the middle support part comprises a layer of cross support structure or a plurality of layers of cross support structures which are distributed at different height positions and connected with each other, and the like, and has the technical effects of small size, convenience, safety, firmness, portability, simple installation, free adjustment of lifting height, and the like; however, when changing the sand carbon, need take the sand carbon to the eminence of emergency ladder, current emergency ladder inconvenient user carries sand carbon to the eminence, and is dangerous in the in-process of carrying sand carbon, and the emergency ladder removes inconveniently, when changing the job site, need pull down former emergency ladder, reassembles, inconvenient user uses.

In order to solve the above problems, a portable liftable safety ladder is provided in the present application.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a portable liftable safety ladder, which has the characteristics of safety protection for a user in the process of carrying a sand carbon stair by the user, and convenience for movement and fixation.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a portable safety ladder of liftable, includes the workstation and installs two guardrails on workstation surface, the both sides of guardrail are all rotated and are connected with the pin, the bottom side of guardrail rotates and is connected with two landing legs A and two landing legs B, landing leg B keeps away from one side of landing leg A is equipped with rotates and connects the ladder leg on the workstation bottom surface, landing leg B with install a plurality of vertical ladder boards between the ladder leg, the four corners of ladder board pass through the pivot respectively with landing leg B with the ladder leg rotates to be connected, landing leg A with be equipped with two dead levers in the middle of the landing leg B, the dead lever is fixed on the bottom surface of workstation, the both sides of dead lever all are fixed with electric telescopic handle, electric telescopic handle's output fixedly connected with connecting rod, the connecting rod is kept away from electric telescopic handle's one end installs the sliding pin, the sliding pin run through respectively landing leg A with landing leg B's surface, sliding pin respectively with landing leg B sliding connection.

As the lifting portable safety ladder, preferably, one end of the supporting leg A and one end of the supporting leg B, which are far away from the workbench, are provided with universal wheels, and the universal wheels are provided with brake sheets.

As the lifting portable safety ladder is preferable, the bottom ends of the ladder legs are provided with the foot nail seats, the middle parts of the foot nail seats are provided with the ground nails penetrating through the foot nail seats, the upper parts of the ground nails are provided with the pressing plates, the top ends of the ground nails are slidably connected in the grooves formed in the pressing plates, one ends of the pressing plates are hinged to the surfaces of the foot nail seats, the other ends of the pressing plates are rotatably connected with clamping blocks, and spring plates are fixedly connected between the pressing plates and the foot nail seats.

As the lifting portable safety ladder, preferably, the surfaces of the supporting leg A and the supporting leg B, which are close to the connecting rod, are provided with sliding grooves, and the sliding pins are positioned in the sliding grooves and are in sliding connection with the connecting rod.

As the lifting portable safety ladder, preferably, one side of the workbench is of a U-shaped structure, and the ladder legs are arranged at the extending ends of the U-shaped structure of the workbench.

Compared with the prior art, the utility model has the beneficial effects that:

when the user carries the sand carbon to move to the surface of the workbench, the stop lever can be turned and opened, the sand carbon is placed on the surface of the workbench, and when the replacement operation is carried out, the stop lever temporarily seals the workbench, so that safety protection is brought to the user, and when the user needs to leave from the workbench, the stop lever can be opened, so that the operation is simple and convenient; the height of the workbench can be changed through the extension and retraction of the electric telescopic rod, the ladder plate can be unfolded and folded, when a user carries sand carbon to the workbench, the height of the workbench can be lowered, the slope of the ladder plate is gentle at the moment, the user can carry the sand carbon more conveniently, then the height of the workbench is raised, and the brake sheet and the ground nail of the universal wheel are stepped down, so that the multifunctional workbench is fixed firmly, and the replacement operation of the user is facilitated.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a schematic view of the structure of the ladder plate in the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic view of the structure of the foot peg according to the present utility model;

FIG. 5 is a schematic view of a sliding pin according to the present utility model;

in the figure:

1. a work table; 2. guard bars; 3. a stop lever; 4. a supporting leg A; 5. a supporting leg B; 6. ladder legs; 7. a ladder plate; 8. a fixed rod; 9. an electric telescopic rod; 10. a connecting rod; 101. a sliding pin; 11. a universal wheel; 12. a foot nail seat; 13. ground nails; 14. a pressing plate; 15. a spring plate; 16. and (5) clamping blocks.

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.

Example 1

As shown in fig. 1 and 2;

a portable liftable safety ladder comprises a workbench 1 and two guardrails 2 arranged on the surface of the workbench 1.

In this embodiment: through investigation publication (bulletin) number: CN206368681U discloses a portable safety ladder which can be used for replacing filter materials of a sand carbon tank, and the technology discloses that the portable safety ladder comprises a bottom plate, a middle supporting part and a top platform from bottom to top; the middle support part comprises a layer of cross support structure or a plurality of layers of cross support structures which are distributed at different height positions and connected with each other, and the like, and has the technical effects of small size, convenience, safety, firmness, portability, simple installation, free adjustment of lifting height, and the like; however, when changing the sand carbon, need take the sand carbon to the eminence of emergency ladder, current emergency ladder inconvenient user carries sand carbon to the eminence, and is dangerous in the in-process of carrying sand carbon, and the emergency ladder removes inconveniently, when changing the job site, need pull down former emergency ladder, reassembles, inconvenient user uses, in order to solve above-mentioned problem, proposes following improvement scheme.

Further, the method comprises the following steps:

as shown in fig. 1-5;

in combination with the above:

in order to make the user carry sand carbon to step on safer, both sides at guardrail 2 all rotate and be connected with pin 3, the downside of guardrail 2 rotates and is connected with two landing legs A4 and two landing legs B5, one side that landing leg B5 kept away from landing leg A4 is equipped with the ladder leg 6 of rotating connection on workstation 1 bottom surface, install a plurality of vertically arranged's ladder board 7 between landing leg B5 and the ladder leg 6, the four corners of ladder board 7 is rotated with landing leg B5 and ladder leg 6 respectively through the pivot and is connected, be equipped with two dead levers 8 in the middle of landing leg A4 and the landing leg B5, dead lever 8 is fixed on the bottom surface of workstation 1, the both sides of dead lever 8 all are fixed with electric telescopic handle 9, electric telescopic handle 9's output fixedly connected with connecting rod 10, the sliding pin 101 is installed to the one end that electric telescopic handle 9 was kept away from to connecting rod 10, sliding pin 101 runs through the surface of landing leg A4 and landing leg B5 respectively, sliding pin 101 is connected with landing leg A4 and landing leg B5 respectively.

In this embodiment: when a user carries sand carbon to mount the utility model, the electric telescopic rod 9 is started firstly, the two sides of the electric telescopic rod 9 push the supporting legs A4 and B5 to separate the supporting legs into trapezoids, the workbench 1 descends gradually, the ladder legs 6 move outwards at the moment, slopes are formed between the ladder plates 7, the user can walk onto the workbench 1 through the ladder plates 7, the stop rods 3 are rotated to open when passing through the stop rods 3, the sand carbon is placed on the surface of the workbench 1, the steepness degree between the ladder plates 7 is adjustable, when the carried sand carbon is heavier, the ladder plates 7 are adjusted to be in a gentle state, when the sand carbon is placed on the workbench 1, the workbench 1 is lifted again, so that the safety of the movement of the sand carbon carried by the user is improved, the stop rods 3 can be rotated to be reset when the sand carbon is replaced, the stop rods 3 protect the user, and the user is safer when the sand carbon is replaced.

Still further, the method comprises:

in an alternative embodiment, the end of the leg A4 and the leg B5 remote from the table 1 is provided with a castor 11, the castor 11 being provided with a brake pad.

In this embodiment: through the design, the utility model is convenient to move, and when the workbench 1 moves to a replacement operation place, the utility model can be fixed by stepping on the brake sheet, thereby being rapid and convenient.

Still further, the method comprises:

in an alternative embodiment, the foot nail seat 12 is installed at the bottom end of the ladder leg 6, the ground nail 13 penetrating through the foot nail seat 12 is arranged in the middle of the foot nail seat 12, the pressing plate 14 is arranged above the ground nail 13, the top end of the ground nail 13 is slidably connected in a groove formed in the pressing plate 14, one end of the pressing plate 14 is hinged to the surface of the foot nail seat 12, the other end of the pressing plate 14 is rotatably connected with the clamping block 16, and the spring plate 15 is fixedly connected between the pressing plate 14 and the foot nail seat 12.

In this embodiment: through the design, after the universal wheel 11 is fixed, a user can step on the pressing plate 14, the pressing plate 14 presses the ground nail 13 out to the ground, the ground nail 13 enables the universal wheel to be fixed more firmly, meanwhile, the pressing plate 14 drives the clamping block 16 to move downwards, the bottom end of the clamping block 16 is clamped at the edge of the foot nail seat 12, locking of the pressing plate 14 is achieved, when the locking is needed to be canceled, the clamping block 16 is outwards stirred, and the spring plate 15 enables the pressing plate 14 to reset.

Still further, the method comprises:

in an alternative embodiment, the surfaces of the legs A4 and B5 near the connecting rod 10 are provided with sliding grooves, and the sliding pin 101 is slidably connected to the connecting rod 10 in the sliding grooves.

In this embodiment: with this design, the slide pin 101 is made stable to slide in the leg A4 and the leg B5, preventing the leg A4 and the leg B5 from being offset.

Still further, the method comprises:

in an alternative embodiment, one side of the table 1 is a U-shaped structure, and the ladder legs 6 are mounted on the protruding ends of the U-shaped structure of the table 1.

In this embodiment: by the design, the U-shaped work table 1 is provided with a notch for a user to enter and exit, so that the work table 1 is prevented from blocking the ladder plate 7.

The working principle and the using flow of the utility model are as follows: when a user carries sand carbon on the utility model, firstly, the electric telescopic rod 9 is started, the two sides of the electric telescopic rod 9 push the supporting leg A4 and the supporting leg B5 to separate the supporting legs into trapezoids, the workbench 1 is gradually lowered, the ladder legs 6 are moved outwards at the moment, a slope is formed between the ladder plates 7, the user can walk onto the workbench 1 through the ladder plates 7, when the user passes through the stop rods 3, the stop rods 3 are rotated to open, the sand carbon is placed on the surface of the workbench 1, the steepness between the ladder plates 7 is adjustable, when the carried sand carbon is heavier, the ladder plates 7 are adjustable to a gentle state, when the sand carbon is placed on the workbench 1, the workbench 1 is lifted again, so that the safety of the movement of the user carrying the sand carbon is improved, the stop rods 3 are rotated to be restored when the sand carbon replacement operation is carried out, the stop rods 3 protect the user, the user is safer when the workbench 1 is moved to the replacement operation place, the universal wheels 11 are stepped down, the universal wheels 11 are fixed, after the universal wheels 11 are fixed, the user can press the ground pins 14, the ground pins 14 are pressed down, the ground pins are pressed down to the ground, the clamping blocks are pressed down 14 are pressed down to the ground, and the clamping blocks are pressed down 14 are fixed to the ground, and the ground is pressed down to the ground, the ground is firmly, the safety is fixed to the ground.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a portable safety ladder of liftable, includes workstation (1) and installs two guardrail (2) on workstation (1) surface, its characterized in that: the utility model provides a guardrail (2) both sides all rotate and are connected with pin (3), the downside of guardrail (2) rotates and is connected with two landing legs A (4) and two landing legs B (5), landing leg B (5) are kept away from one side of landing leg A (4) is equipped with rotates and is connected ladder leg (6) on workstation (1) bottom surface, landing leg B (5) with install a plurality of vertically arranged ladder board (7) between ladder leg (6), the four corners of ladder board (7) pass through the pivot respectively with landing leg B (5) with ladder leg (6) rotate and are connected, landing leg A (4) with be equipped with two dead levers (8) in the middle of landing leg B (5), dead lever (8) are fixed on the bottom surface of workstation (1), the both sides of dead lever (8) all are fixed with electric telescopic handle (9), the output end of electric telescopic handle (9) is connected with connecting rod (10), connecting rod (10) keep away from electric telescopic handle (9) one end respectively with landing leg B (5) rotation is connected with landing leg (101) and landing leg (5) sliding pin (101).

2. The liftable portable safety ladder of claim 1, wherein: the universal wheel (11) is installed at one end, far away from the workbench (1), of the supporting leg A (4) and the supporting leg B (5), and a brake piece is arranged on the universal wheel (11).

3. The liftable portable safety ladder of claim 1, wherein: foot nail seat (12) are installed to the bottom of ladder leg (6), the centre department of foot nail seat (12) is equipped with runs through ground nail (13) of foot nail seat (12), ground nail (13) top is equipped with presses movable plate (14), the top sliding connection of ground nail (13) is in the recess of seting up on pressing movable plate (14), the one end of pressing movable plate (14) articulates the surface of foot nail seat (12), the other end of pressing movable plate (14) rotates and is connected with fixture block (16), press movable plate (14) with fixedly connected with spring plate (15) between foot nail seat (12).

4. The liftable portable safety ladder of claim 1, wherein: the support leg A (4) and the support leg B (5) are provided with sliding grooves on the surfaces close to the connecting rod (10), and the sliding pins (101) are located in the sliding grooves and are in sliding connection with the connecting rod (10).

5. The liftable portable safety ladder of claim 1, wherein: one side of the workbench (1) is of a U-shaped structure, and the ladder legs (6) are arranged at the extending end of the U-shaped structure of the workbench (1).