CN214741059U

CN214741059U - Adjustable steel ladder

Info

Publication number: CN214741059U
Application number: CN202121148507.3U
Authority: CN
Inventors: 董小文; 姜海军; 曹晓光; 崔伟龙; 李伟涛; 陈涛; 苏乐; 张玉茂; 安佰莹
Original assignee: Qingdao Duanyi Metal Co ltd
Current assignee: Qingdao Duanyi Metal Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-16
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses an adjustable steel ladder, including the diaphragm, the collateral branch fagging is all installed at its both ends, the bottom swing joint of collateral branch fagging has the supporting leg, the supporting leg later stage is fixed with work area through fastening screw, goes up the connecting block, and it is fixed the top of collateral branch fagging for the later stage docks the installation work, and four materials are the connecting rod of reinforcing bar, the symmetry pass through the loose axle with the both ends of diaphragm are connected, the one end of diaphragm is connected with two connecting rods, installs the axostylus axostyle, and it runs through inside the centre of diaphragm, the both ends of installing the axostylus axostyle all are connected with the inner wall bearing of collateral branch fagging. This adjustable steel ladder is provided with the installation axostylus axostyle, through the setting of installation axostylus axostyle, is convenient for install the axostylus axostyle and drives stable the rotating of diaphragm, and a plurality of diaphragms are connected with the connecting rod through the loose axle, makes then just can other diaphragms of simultaneous control rotate in step when controlling one of them diaphragm rotation, is convenient for trample the use to the diaphragm.

Description

Adjustable steel ladder

Technical Field

The utility model relates to a steel ladder technical field specifically is an adjustable steel ladder.

Background

The steel ladder is a ladder applied to a subway evacuation platform or in the field of buildings, and has certain problems when in use;

the angle between the transverse plate and the side supporting plate of the existing steel ladder is fixed and cannot be adjusted, so that when the inclination angle of the whole steel ladder is adjusted and installed, the transverse plate also inclines along with the whole steel ladder, and therefore the later-stage treading work of a user on the transverse plate is influenced, and the later-stage use of the whole steel ladder is also influenced;

therefore, the adjustable steel ladder can well solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable steel ladder to solve the angle between diaphragm and the collateral branch fagging of the steel ladder that has now on the existing market that above-mentioned background art provided and be fixed, can not adjust, make like this when adjusting the installation to the inclination of whole steel ladder, at this moment the diaphragm also together slopes along with whole steel ladder, influence later stage user from this and to the work of trampling of diaphragm, also influence the problem of the use in whole steel ladder later stage.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable steel ladder comprising:

the device comprises a transverse plate, a plurality of supporting plates and a plurality of supporting legs, wherein the two ends of the transverse plate are respectively provided with a side supporting plate, the bottom ends of the side supporting plates are movably connected with the supporting legs, and the supporting legs are fixed with a working area through fastening screws at the later stage;

the upper connecting block is fixed at the top end of the side supporting plate and is used for carrying out butt joint installation work in the later period;

the four connecting rods are symmetrically connected with two ends of the transverse plate through movable shafts, and one end of the transverse plate is connected with the two connecting rods;

and the mounting shaft lever penetrates through the middle inside of the transverse plate, and two ends of the mounting shaft lever are connected with the inner wall bearings of the side supporting plates.

Preferably, the inner side wall of the side supporting plate is provided with a groove for moving and placing the connecting rod.

Through the arrangement of the structure, the connecting rod can slide in the groove conveniently.

Preferably, the installation axostylus axostyle in the diaphragm of bottommost is "7" font structure setting, and runs through in the one end of the installation axostylus axostyle in the diaphragm of bottommost and is provided with the locating lever.

Through the arrangement of the structure, the installation shaft lever arranged in the 7-shaped structure is installed on the positioning rod well.

Preferably, a plurality of locating grooves are formed in the rear side face of the lower end of the side supporting plate on the left side of the transverse plate at equal intervals by taking the circle center of the mounting shaft rod as the circle center, and the locating rods are connected to the inner clamping portions of the locating grooves.

Through the setting of above-mentioned structure to after the later stage installation axostylus axostyle rotated to the different positions, the constant head tank through the different positions is connected with the block of locating lever, fixes the installation axostylus axostyle, guarantees the stability of later stage installation axostylus axostyle.

Preferably, the moving directions of the two adjacent connecting rods are opposite, and the two adjacent connecting rods are parallel to each other.

Through the setting of above-mentioned structure to two adjacent connecting rods mutually support a plurality of diaphragms after the pairing rotation, also can drive a plurality of diaphragms simultaneously and carry out synchronous revolution, make things convenient for synchronous control, easy operation is convenient.

Preferably, the transverse plates rotate by taking the circle center of the mounting shaft rod as the circle center, and the plurality of transverse plates form a synchronous rotating structure through the connecting rods.

Through the arrangement of the structure, the transverse plate can be well adjusted in a rotating mode.

Compared with the prior art, the beneficial effects of the utility model are that: the adjustable steel ladder;

(1) the installation shaft lever is arranged, the installation shaft lever is convenient to drive the transverse plates to stably rotate through the arrangement of the installation shaft lever, and meanwhile, through the arrangement of the connecting rod, the transverse plates are connected with the connecting rod through the movable shaft, so that when one transverse plate is controlled to rotate, other transverse plates can be simultaneously controlled to synchronously rotate, the angles of the transverse plates can be conveniently adjusted simultaneously, and when the inclination angle of the side supporting plate is changed, the transverse plates can be adjusted to be always in a horizontal state, and the transverse plates can be conveniently trampled for use;

(2) be fixed with the locating lever, the inside installation axostylus axostyle of diaphragm of bottom is "7" font structure setting to in installing the locating lever, the later stage inserts the locating lever the constant head tank of the different positions that correspond, just can fix the locating lever after the pairing rotation, guarantee the steadiness of the locating lever after the rotation.

Drawings

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

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the inclined cross-sectional structure of the side supporting plate of the present invention;

fig. 4 is a rear view structural diagram of the side supporting plate of the present invention;

fig. 5 is a schematic diagram of a side sectional structure of the side supporting plate of the present invention.

In the figure: 1. side supporting plates; 2. supporting legs; 3. a transverse plate; 4. an upper connecting block; 5. a connecting rod; 6. a groove; 7. installing a shaft lever; 8. positioning a rod; 9. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an adjustable steel ladder comprises side supporting plates 1, supporting legs 2, transverse plates 3, upper connecting blocks 4, connecting rods 5, grooves 6, mounting shaft rods 7, positioning rods 8 and positioning grooves 9;

the device comprises a transverse plate 3, a plurality of supporting legs 2 and an upper connecting block 4, wherein the two ends of the transverse plate are respectively provided with a side supporting plate 1, the bottom ends of the side supporting plates 1 are movably connected with the supporting legs 2, the supporting legs 2 are fixed with a working area through fastening screws in the later period, and the upper connecting block 4 is fixed at the top ends of the side supporting plates 1 and used for carrying out butt joint installation in the later period;

remove whole steel ladder to the working area in, it fixes supporting leg 2 in the working area through fastening screw after arriving the working area, then adjust collateral branch fagging 1's inclination, make it install with work platform or building that connecting block 4 is fine, four materials are the connecting rod 5 of reinforcing bar, the symmetry is connected with the both ends of diaphragm 3 through the loose axle, the one end of diaphragm 3 is connected with two connecting rods 5, installation axostylus axostyle 7, it runs through inside the centre of diaphragm 3, the both ends of installation axostylus axostyle 7 all are connected with collateral branch fagging 1's inner wall bearing.

The inner side wall of each side supporting plate 1 is provided with a groove 6 for moving and placing the connecting rods 5, the mounting shaft rod 7 in the bottommost transverse plate 3 is arranged in a 7-shaped structure, a positioning rod 8 penetrates through one end of the mounting shaft rod 7 in the bottommost transverse plate 3, a plurality of positioning grooves 9 are formed in the rear side surface of the lower end of the side supporting plate 1 on the left side of the transverse plate 3 at equal intervals by taking the circle center of the mounting shaft rod 7 as the circle center, the positioning rods 8 are connected to the inner parts of the positioning grooves 9 in a clamping manner, the moving directions of two adjacent connecting rods 5 are opposite, the two adjacent connecting rods 5 are parallel to each other, the transverse plate 3 rotates by taking the circle center of the mounting shaft rod 7 as the circle center, and the transverse plates 3 form a synchronous rotating structure through the connecting rods 5;

as shown in fig. 3, the transverse plate 3 is also in the inclined state, and as shown in fig. 1 and fig. 4-5, the positioning rod 8 is pulled out manually, so that the positioning rod 8 is separated from the corresponding positioning slot 9, then the mounting shaft lever 7 is rotated, the mounting shaft lever 7 drives one of the transverse plates 3 to rotate when rotating, when one of the transverse plates 3 rotates, the connecting rod 5 is driven to rotate through the movable shaft, and then the connecting rod 5 synchronously drives the plurality of transverse plates 3 to rotate, so that the transverse plates 3 rotate again to be in a horizontal state, as shown in figure 3, then the positioning rod 8 is inserted into the corresponding positioning groove 9, the rotating installation shaft lever 7 is conveniently fixed through the clamping connection of the positioning rod 8 and the positioning groove 9, thereby be convenient for improve the stability of diaphragm 3 after the rotation to the fine whole steel ladder of climbing of trampling diaphragm 3 of user in later stage is trampled.

The working principle is as follows: when the adjustable steel ladder is used, firstly, the supporting legs 2 are fixed in a working area through fastening screws after the steel ladder reaches the working area, and then the inclination angles of the side supporting plates 1 are adjusted, so that the upper connecting blocks 4 are well installed on a working platform or a building;

then after the inclination of collateral branch backup pad 1 has adjusted, manual outwards pull out locating lever 8, then will install axostylus axostyle 7 and rotate, one of them diaphragm 3 is connected through the loose axle when rotatory and drives connecting rod 5 and rotate, then make connecting rod 5 drive a plurality of diaphragms 3 in step and rotate, make diaphragm 3 rotate once more and be the horizontality, so that the fine whole steel ladder of climbing of trampling diaphragm 3 of later stage user, the content of not making detailed description in this specification belongs to the prior art that technical personnel are known in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An adjustable steel ladder, comprising:

the device comprises a transverse plate (3), wherein two ends of the transverse plate are respectively provided with a side supporting plate (1), the bottom end of each side supporting plate (1) is movably connected with a supporting leg (2), and the supporting leg (2) is fixed with a working area at the later stage through a fastening screw;

the upper connecting block (4) is fixed at the top end of the side supporting plate (1) and is used for carrying out butt joint installation work in the later period;

the four connecting rods (5) are symmetrically connected with two ends of the transverse plate (3) through movable shafts, and one end of the transverse plate (3) is connected with the two connecting rods (5);

and the mounting shaft lever (7) penetrates through the middle inside of the transverse plate (3), and two ends of the mounting shaft lever (7) are connected with the inner wall bearings of the side supporting plates (1).

2. An adjustable steel ladder as claimed in claim 1, characterised in that: the inner side wall of the side supporting plate (1) is provided with a groove (6) for moving and placing the connecting rod (5).

3. An adjustable steel ladder as claimed in claim 1, characterised in that: the installation axostylus axostyle (7) in the diaphragm (3) of bottommost is "7" font structure setting, and runs through inside being provided with locating lever (8) of the one end of installation axostylus axostyle (7) in the diaphragm (3) of bottommost.

4. An adjustable steel ladder as claimed in claim 3, wherein: the lower end rear side face of the lateral supporting plate (1) on the left side of the transverse plate (3) is internally provided with a plurality of positioning grooves (9) at equal intervals by taking the circle center of the mounting shaft lever (7) as the circle center, and the positioning rods (8) are clamped and connected inside the positioning grooves (9).

5. An adjustable steel ladder as claimed in claim 1, characterised in that: the moving directions of two adjacent connecting rods (5) are opposite, and the two adjacent connecting rods (5) are parallel to each other.

6. An adjustable steel ladder as claimed in claim 1, characterised in that: the transverse plates (3) rotate by taking the circle center of the mounting shaft lever (7) as the circle center, and the plurality of transverse plates (3) form a synchronous rotating structure through the connecting rods (5).