阅读说明：本技术 一种建筑装修用人字梯 (Herringbone ladder for building decoration ) 是由 陆建友 于 2020-07-30 设计创作，主要内容包括：本发明公开了一种建筑装修用人字梯,包括凳状的顶部托座,顶部托座的两侧设有梯架,顶部托座包括基板和登板,登板的下端面上固定有若干立柱,立柱的下端固定在基板上；所述梯架包括梯梁和踏板,踏板的两端固定在梯梁上,梯梁的上端固定有横梁,横梁的两端成型有销轴,销轴插接在铰接支耳上,梯梁的下端固定有支轴,支轴上插套有若干滚轮；梯架之间设有限位机构和定位机构,限位板下端的两侧成型有圆弧形的支板,支板抵靠在梯梁上,支板上成型有圆弧形的导向槽,支板的导向槽内插接有螺柱,螺柱的内端固定有在梯梁上,螺柱的外端螺接有螺母,螺母压靠在支板上。(The invention discloses a herringbone ladder for building decoration, which comprises a stool-shaped top bracket, wherein ladder frames are arranged on two sides of the top bracket, the top bracket comprises a base plate and a boarding plate, a plurality of stand columns are fixed on the lower end surface of the boarding plate, and the lower ends of the stand columns are fixed on the base plate; the ladder frame comprises a ladder beam and pedals, two ends of each pedal are fixed on the ladder beam, a cross beam is fixed at the upper end of the ladder beam, pin shafts are formed at two ends of the cross beam and are inserted into the hinged support lugs, a support shaft is fixed at the lower end of the ladder beam, and a plurality of rollers are inserted and sleeved on the support shaft; a limiting mechanism and a positioning mechanism are arranged between the ladder frames, arc-shaped support plates are formed on two sides of the lower end of the limiting plate and abut against the ladder beam, arc-shaped guide grooves are formed in the support plates, studs are inserted into the guide grooves of the support plates, the inner ends of the studs are fixed on the ladder beam, nuts are screwed to the outer ends of the studs, and the nuts are pressed on the support plates.)

1. The utility model provides a double ladder for architectural decoration, includes top bracket (1) that the bench appears, and the both sides of top bracket (1) are equipped with ladder rack (2), its characterized in that: the top bracket (1) comprises a base plate (11) and a boarding plate (12), wherein a plurality of upright posts (13) are fixed on the lower end surface of the boarding plate (12), the lower ends of the upright posts (13) are fixed on the base plate (11), and two sides of the lower end surface of the base plate (11) are provided with hinged support lugs (14); the ladder frame (2) comprises a ladder beam (21) and pedals (22), two ends of each pedal (22) are fixed on the ladder beam (21), a cross beam (23) is fixed at the upper end of the ladder beam (21), pin shafts (231) are formed at two ends of each cross beam (23), the pin shafts (231) are inserted into the hinge support lugs (14), support shafts (24) are fixed at the lower ends of the ladder beam (21), and a plurality of rollers (25) are inserted into the support shafts (24); a limiting mechanism (3) and a positioning mechanism (4) are arranged between the ladder frames (2), the limiting mechanism (3) comprises a limiting plate (31) fixed in the middle of the side wall of the substrate (11), arc-shaped support plates (311) are formed on two sides of the lower end of the limiting plate (31), the support plates (311) abut against the ladder beam (21), arc-shaped guide grooves (312) are formed in the support plates (311), studs (32) are inserted into the guide grooves (312) of the support plates (311), the inner ends of the studs (32) are fixed on the ladder beam (21), nuts (33) are screwed to the outer ends of the studs (32), and the nuts (33) are pressed on the support plates (311);

the positioning mechanism (4) comprises a horizontal anti-skid plate (41) and an upper supporting plate (44), two ends of the upper supporting plate (44) are fixed on the limiting plate (31), two T-shaped guide posts (43) are inserted into the upper supporting plate (44), the lower ends of the guide posts (43) are fixed on the anti-skid plate (41), a horizontal lower supporting plate (45) is fixed on the guide posts (43) in a sleeved mode, a pressure spring (47) is inserted and sleeved on the guide posts (43) between the lower supporting plate (45) and the upper supporting plate (44), two ends of the pressure spring (47) are pressed against the lower supporting plate (45) and the upper supporting plate (44) respectively, and a vertical driving rod (46) is fixed on the anti-skid plate (41) between the guide posts (43);

a driving mechanism (5) is arranged between the base plate (11) and the boarding plate (12), the driving mechanism (5) comprises a rectangular frame body (51), a guide wheel (52) is inserted in the frame body (51), the guide wheel (52) is hinged to the frame body (51) through a hinged shaft, a horizontal pull rod (53) is inserted in the frame body (51) on the lower side of the guide wheel (52), a connector (531) is formed at one end of the pull rod (53), the connector (531) is hinged to a hinged seat (54) through the hinged shaft, and the hinged seat (54) is fixed on the base plate (11); the upper end of the driving rod (46) penetrates through the lower supporting plate (45), the upper supporting plate (44) and the substrate (11) and is fixed on the frame body (51).

2. A herringbone ladder for building decoration according to claim 1, wherein: the circle center of the guide groove (312) on the limiting mechanism (3) is positioned on the central axis of the pin shaft (231) on the cross beam (23).

3. A herringbone ladder for building decoration according to claim 1, wherein: the lower end of the roller (25) is exposed out of the lower end of the ladder beam (21), and the lower end of the roller (25) and the lower end face of the antiskid plate (41) are in the same plane.

4. A herringbone ladder for building decoration according to claim 1, wherein: and a rubber antiskid pad (42) is fixed on the lower end surface of the antiskid plate (41).

5. A herringbone ladder for building decoration according to claim 1, wherein: the pull rod (53) is a round rod, an annular groove is formed in the outer wall of the guide wheel (52), and the pull rod (53) is inserted into the annular groove of the guide wheel (52).

6. A herringbone ladder for building decoration according to claim 5, characterized in that: the pull rod (53) is abutted against a cushion block (54), the cushion block (54) is fixed on the base plate (11), and the cushion block (54) and the hinged seat (54) are distributed on two sides of the frame body (51).

7. A herringbone ladder for building decoration according to claim 5, characterized in that: and a handle sleeve (55) is fixedly inserted into one end of the pull rod (53) departing from the connector (531).

8. A herringbone ladder for building decoration according to claim 1, wherein: the length of the frame body (51) is smaller than the distance between the base plate (11) and the landing plate (12); a gap is left between the upper end surface of the guide post (43) and the base plate (11).

Technical Field

The invention relates to the technical field of construction machinery, in particular to a herringbone ladder for building decoration.

Background

At present, the herringbone ladder is a common tool for home decoration and is also a common construction machine; after the existing herringbone ladder is unfolded, in order to ensure the stability of the ladder, the integral herringbone ladder structure is fixed; however, in practical application, the fixed herringbone ladder is inconvenient to mount, for example, a decorator often needs to climb up and down with the herringbone ladder, sometimes the position is found to be not suitable after climbing up and down, the ladder needs to be climbed down, the position of the ladder is readjusted, the herringbone ladder is repeatedly climbed up and down, and therefore the herringbone ladder is required to be capable of achieving movable position adjustment of the ladder on the ladder and also capable of achieving fixed positioning of the ladder on the ladder.

The invention content is as follows:

the invention aims to overcome the defects in the prior art and provides a herringbone ladder for building decoration, which can move and adjust the position of the ladder on the ladder and can also realize the immovable positioning of the ladder on the ladder.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a herringbone ladder for building decoration comprises a stool-shaped top bracket, ladder frames are arranged on two sides of the top bracket, the top bracket comprises a base plate and a boarding plate, a plurality of stand columns are fixed on the lower end face of the boarding plate, the lower ends of the stand columns are fixed on the base plate, and hinge support lugs are arranged on two sides of the lower end face of the base plate; the ladder frame comprises a ladder beam and pedals, two ends of each pedal are fixed on the ladder beam, a cross beam is fixed at the upper end of the ladder beam, pin shafts are formed at two ends of the cross beam and are inserted into the hinged support lugs, a support shaft is fixed at the lower end of the ladder beam, and a plurality of rollers are inserted and sleeved on the support shaft; a limiting mechanism and a positioning mechanism are arranged between the ladder frames, the limiting mechanism comprises a limiting plate fixed in the middle of the side wall of the base plate, arc-shaped support plates are formed on two sides of the lower end of the limiting plate, the support plates abut against the ladder beam, arc-shaped guide grooves are formed in the support plates, studs are inserted in the guide grooves of the support plates, the inner ends of the studs are fixed on the ladder beam, nuts are screwed at the outer ends of the studs, and the nuts are pressed on the support plates;

the positioning mechanism comprises a horizontal antiskid plate and an upper supporting plate, two ends of the upper supporting plate are fixed on the limiting plate, two T-shaped guide pillars are inserted into the upper supporting plate, the lower ends of the guide pillars are fixed on the antiskid plate, a horizontal lower supporting plate is fixed on the guide pillars through insertion sleeves, a pressure spring is inserted on the guide pillars between the lower supporting plate and the upper supporting plate through insertion sleeves, two ends of the pressure spring are respectively pressed against the lower supporting plate and the upper supporting plate, and a vertical driving rod is fixed on the antiskid plate between the guide pillars;

a driving mechanism is arranged between the base plate and the boarding plate, the driving mechanism comprises a rectangular frame body, a guide wheel is inserted in the frame body, the guide wheel is hinged to the frame body through a hinged shaft, a horizontal pull rod is inserted in the frame body on the lower side of the guide wheel, a connector is formed at one end of the pull rod, the connector is hinged to a hinged seat through the hinged shaft, and the hinged seat is fixed on the base plate; the upper end of the driving rod penetrates through the lower supporting plate, the upper supporting plate and the base plate to be fixed on the frame body.

Preferably, the circle center of the guide groove on the limiting mechanism is located on the central axis of the pin shaft on the cross beam.

Preferably, the lower end of the roller is exposed out of the lower end of the ladder beam, and the lower end of the roller and the lower end face of the antiskid plate are in the same plane.

Preferably, a rubber non-slip mat is fixed on the lower end surface of the non-slip plate.

Preferably, the pull rod is a round rod, an annular groove is formed in the outer wall of the guide wheel, and the pull rod is inserted into the annular groove of the guide wheel.

Preferably, the pull rod is abutted to a cushion block, the cushion block is fixed on the base plate, and the cushion block and the hinge seat are distributed on two sides of the frame body.

Preferably, a handle sleeve is fixed on the end, deviating from the connector, of the pull rod through an inserting sleeve.

Preferably, the length of the frame body is smaller than the distance between the base plate and the landing plate; a gap is reserved between the upper end surface of the guide post and the front surface of the base plate.

The invention has the beneficial effects that: it can realize moving the regulation ladder position on the ladder to also can realize the ladder location motionless on the ladder, thereby the during operation need not climb up from the ladder repeatedly, climb down, the position of adjustment ladder.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic front view of the present invention.

In the figure: 1. a top bracket; 11. a substrate; 12. boarding; 13. a column; 14. a hinged lug; 2. a ladder frame; 21. a ladder beam; 22. a pedal; 23. a cross beam; 231. a pin shaft; 24. a fulcrum; 25. a roller; 3. a limiting mechanism; 31. a limiting plate; 311. a support plate; 312. a guide groove; 32. a stud; 33. a nut; 4. a positioning mechanism; 41. an anti-skid plate; 42. a rubber non-slip mat; 43. a guide post; 44. an upper support plate; 45. a lower support plate; 46. a drive rod; 47. a pressure spring; 5. a drive mechanism; 51. a frame body; 52. a guide wheel; 53. a pipe fitting; 531. a pull rod; 54. cushion blocks; 55. a handle sleeve.

Detailed Description