CN110629995A

CN110629995A - Lifting adjustable scaffold

Info

Publication number: CN110629995A
Application number: CN201910823368.0A
Authority: CN
Inventors: 张传金; 张虎; 杨玉浩; 李宗胜; 张磊; 林辉
Original assignee: Chuzhou Jincheng Metal Products Co Ltd
Current assignee: Chuzhou Jincheng Metal Products Co Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2019-12-31

Abstract

The invention discloses a lifting adjustable scaffold, which comprises a platform and support legs, wherein a bottom bin is fixedly arranged at the bottom of the platform, connecting rods are rotatably connected to the front side and the rear side of the bottom bin, universal joints are fixedly arranged at the two ends of each connecting rod, screw rods are respectively and fixedly connected to the bottoms of the universal joints at the two ends of each connecting rod, a motor is fixedly arranged in an inner cavity of the bottom bin, rotating rods are rotatably connected to the two sides of the motor, a first bevel gear is fixedly connected to one end of each rotating rod, and a second bevel gear is fixedly arranged in the middle of each connecting rod; the climbing ladder is convenient to climb, the guardrail is used for protecting workers, and a user can finely adjust the climbing ladder to work in a matching way when standing on the upper part according to the needs of actual conditions.

Description

Lifting adjustable scaffold

The technical field is as follows:

the invention relates to the field of scaffolds, in particular to a lifting adjustable scaffold.

Background art:

scaffolding refers to various supports erected on a construction site for workers to handle and solve vertical and horizontal transportation. The general term of the building industry refers to the places which cannot be directly constructed on the building site and are used for exterior wall, interior decoration or high floor height. Mainly for constructors to live up and down or for peripheral safety net enclosure, overhead installation components and the like, the scaffold is said to be made of bamboo, wood, steel pipes or synthetic materials. Some projects also use scaffolds as templates, and in addition, the scaffolds are widely used in advertising industry, municipal administration, traffic roads and bridges, mines and other departments, but the existing scaffolds are fixed in height and have no adjusting function, so that a user cannot finely adjust the scaffolds when standing above the scaffolds according to the needs of actual conditions, and the scaffolds are inconvenient to use due to the matching function.

The invention content is as follows:

the technical problem to be solved by the invention is to provide a lifting adjustable scaffold, and a user can control the work of a motor through a foot switch so as to control the lifting of the whole platform.

The technical problem to be solved by the invention is realized by adopting the following technical scheme: a lifting adjustable scaffold comprises a platform and supporting legs, wherein a bottom bin is fixedly installed at the bottom of the platform, connecting rods are rotatably connected to the front side and the rear side of the bottom bin, universal joints are fixedly installed at two ends of each connecting rod, the bottoms of the universal joints at the two ends of each connecting rod are respectively and fixedly connected with a first lead screw and a second lead screw, a motor is fixedly installed in an inner cavity of the bottom bin, rotating rods are rotatably connected to two sides of the motor, a first bevel gear is fixedly connected to one end of each rotating rod, a second bevel gear is fixedly installed in the middle of each of two groups of connecting rods, and the two groups of first bevel gears and the second bevel gears are mutually meshed;

the stabilizer blade is provided with four groups, divide into two sets of first stabilizer blades and two sets of second stabilizer blades, and is two sets of between the first stabilizer blade with two sets of equal fixedly connected with two sets of roof beams structures between the second stabilizer blade, upper and lower just right two sets of fixedly connected with cat ladder between the roof beam structure, four groups the top side of stabilizer blade has been seted up and has been accomodate the chamber, it has the screw thread to accomodate the intracavity, and is two sets of first lead screw passes through the chamber threaded connection of accomodating of screw thread and first stabilizer blade, and is two sets of first lead screw passes through the chamber threaded connection of.

Preferably, a reinforcing rib is fixedly connected between the first supporting leg and the second supporting leg which are opposite left and right, and the reinforcing rib is in an X shape.

Preferably, the bottoms of the four groups of support legs are fixedly provided with movable wheels.

Preferably, the top of the platform is fixedly provided with a foot switch, and the foot switch is electrically connected with the motor through a lead.

Preferably, the top of the platform is provided with anti-skid lines.

Preferably, the tops of four sides of the platform are fixedly connected with guardrails.

The invention has the beneficial effects that: the climbing ladder is simple in structure, convenient and practical, the two groups of foot switches are arranged, one group of foot switches controls the forward rotation of the motor, the other group of foot switches controls the reverse rotation of the motor, a user can control the forward rotation and the reverse rotation of the motor through the foot switches, so that the lifting of the whole platform is controlled, the climbing ladder is convenient to climb, the guardrail is used for protecting workers, the user can finely adjust the climbing ladder according to the needs of actual conditions when standing on the upper portion of the climbing ladder, the climbing ladder is matched to work, the working comfort level and.

Description of the drawings:

in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;

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

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

FIG. 3 is a top view of the bottom bin of the present invention;

FIG. 4 is a schematic structural view of example 2 of the present invention;

wherein: 1. a platform; 2. a bottom bin; 3. a motor; 4. a rotating rod; 5. a first bevel gear; 6. a connecting rod; 7. a second bevel gear; 8. a universal joint; 9. a first lead screw; 10. a second lead screw; 11. a support leg; 1101. A first leg; 1102. a second leg; 12. a receiving cavity; 13. a beam frame; 14. climbing a ladder; 15. reinforcing ribs; 16. a moving wheel; 17. a guardrail; 18. a foot switch; 19. and (4) anti-skid lines.

The specific implementation mode is as follows:

in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

Example 1: as shown in fig. 1-3, a lifting adjustable scaffold comprises a platform 1 and support legs 11, wherein a bottom bin 2 is fixedly installed at the bottom of the platform 1, a connecting rod 6 is rotatably connected to both the front side and the rear side of the bottom bin 2, universal joints 8 are fixedly installed at both ends of the connecting rod 6, a first lead screw 9 and a second lead screw 10 are respectively fixedly connected to the bottoms of the universal joints 8 at both ends of the connecting rod 6, a motor 3 is fixedly installed in an inner cavity of the bottom bin 2, rotating rods 4 are rotatably connected to both sides of the motor 3, a first bevel gear 5 is fixedly connected to one end of each rotating rod 4, a second bevel gear 7 is fixedly installed at the middle part of each of two groups of connecting rods 6, and the two groups of first bevel gears 5 are engaged with the second bevel gears 7;

the motor drives the rotating rods at two ends to rotate, so that the first bevel gear and the second bevel gear are combined with each other to drive the connecting rod to rotate, the connecting rod drives the first screw rod and the second screw rod to rotate respectively through universal joints at two ends, and the four screw rods are synchronously controlled to rotate through one motor.

The supporting legs 11 are provided with four groups, which are divided into two groups of first supporting legs 1101 and two groups of second supporting legs 1102, two groups of beam frames 13 are fixedly connected between the two groups of first supporting legs 1101 and between the two groups of second supporting legs 1102, and two groups of vertically opposite beam frames 13 are fixedly connected with a ladder 14, so that a worker can conveniently climb up and down the platform.

Storage cavities 12 are formed in the top sides of the four groups of support legs 11, threads are formed in the storage cavities 12, the two groups of first screw rods 9 are in threaded connection with the storage cavities 12 of the first support legs 1101 through the threads, and the two groups of first screw rods 9 are in threaded connection with the storage cavities 12 of the second support legs 1102 through the threads.

The four screw rods are synchronously controlled to rotate by a motor, and the lifting of the whole platform is controlled by the screw connection of the four screw rods and the support legs.

Reinforcing ribs 15 are fixedly connected between the first supporting leg 1101 and the second supporting leg 1102 which are opposite to each other at the left and right, and the reinforcing ribs 15 are arranged in an X shape to enhance the stability of the support.

The bottom of the four groups of the supporting feet 11 are all fixedly provided with moving wheels 16. Convenient removal, transportation.

A foot switch 18 is fixedly installed at the top of the platform 1, and the foot switch 18 is electrically connected with the motor 3. People standing on the platform can control the positive rotation and the negative rotation of the motor through the foot switch, so that the lifting of the whole platform is controlled.

The equal fixedly connected with guardrail 17 in four sides top of platform 1 plays the guard action, prevents that the operator from falling, when losing the focus, can borrow the power.

Example 2: as shown in fig. 1-4, a lifting adjustable scaffold comprises a platform 1 and support legs 11, wherein a bottom bin 2 is fixedly installed at the bottom of the platform 1, a connecting rod 6 is rotatably connected to both the front side and the rear side of the bottom bin 2, universal joints 8 are fixedly installed at both ends of the connecting rod 6, a first lead screw 9 and a second lead screw 10 are respectively fixedly connected to the bottoms of the universal joints 8 at both ends of the connecting rod 6, a motor 3 is fixedly installed in an inner cavity of the bottom bin 2, rotating rods 4 are rotatably connected to both sides of the motor 3, a first bevel gear 5 is fixedly connected to one end of each rotating rod 4, a second bevel gear 7 is fixedly installed at the middle part of each of two groups of connecting rods 6, and the two groups of first bevel gears 5 are engaged with the second bevel gears 7;

Four groups the bottom of stabilizer blade 11 is all fixed mounting has the removal wheel 16, also can further set up to the universal wheel, conveniently removes, transports.

The top of the platform 1 is provided with anti-skidding lines 19, so that an anti-skidding effect is achieved, and the problem that the operation is influenced due to the fact that the friction force between the top of the platform and the sole of an operator is insufficient and the platform is unstable is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a scaffold frame with adjustable go up and down, includes platform (1) and stabilizer blade (11), its characterized in that: the bottom of the platform (1) is fixedly provided with a bottom bin (2), the front side and the rear side of the bottom bin (2) are both rotatably connected with a connecting rod (6), the two ends of the connecting rod (6) are both fixedly provided with universal joints (8), the bottoms of the universal joints (8) at the two ends of the connecting rod (6) are respectively and fixedly connected with a first lead screw (9) and a second lead screw (10), the inner cavity of the bottom bin (2) is fixedly provided with a motor (3), the two sides of the motor (3) are both rotatably connected with rotating rods (4), one end of each rotating rod (4) is fixedly connected with a first bevel gear (5), the middle parts of the two groups of connecting rods (6) are both fixedly provided with second bevel gears (7), and the two groups of first bevel gears (5) and the second bevel gears (7) are mutually meshed;

stabilizer blade (11) are provided with four groups, divide into two sets of first stabilizer blade (1101) and two sets of second stabilizer blade (1102), and are two sets of between first stabilizer blade (1101) and two sets of equal fixedly connected with two sets of roof beams structure (13) between second stabilizer blade (1102), upper and lower just right two sets of fixedly connected with cat ladder (14) between roof beams structure (13), four groups accomodate chamber (12) have been seted up to the top side of stabilizer blade (11), accomodate and have seted up the screw thread in chamber (12), two sets of first lead screw (9) are through screw thread and the chamber (12) threaded connection of accomodating of first stabilizer blade (1101), and are two sets of first lead screw (9) are through screw thread and the chamber (12) threaded connection of accomodating of second stabilizer blade (1102).

2. A lift-adjustable scaffold according to claim 1 wherein: reinforcing ribs (15) are fixedly connected between the first supporting leg (1101) and the second supporting leg (1102) which are opposite left and right, and the reinforcing ribs (15) are arranged in an X shape.

3. A lift-adjustable scaffold according to claim 1 wherein: the bottoms of the four groups of support legs (11) are fixedly provided with moving wheels (16).

4. A lift-adjustable scaffold according to claim 1 wherein: the top fixed mounting of platform (1) has foot switch (18), electric connection between foot switch (18) and motor (3).

5. A lift-adjustable scaffold according to claim 1 wherein: the top of the platform (1) is provided with anti-skid lines (19).

6. A lift-adjustable scaffold according to claim 1 wherein: the top parts of four sides of the platform (1) are fixedly connected with guardrails (17).