CN217151113U

CN217151113U - Scaffold with freely adjustable height

Info

Publication number: CN217151113U
Application number: CN202122827568.9U
Authority: CN
Inventors: 汪荣清; 汪华盛; 刘延秋
Original assignee: Yantai Engineering and Technology College
Current assignee: Yantai Engineering and Technology College
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-08-09
Anticipated expiration: 2031-11-18

Abstract

The utility model relates to the technical field of scaffolds, in particular to a scaffold with freely adjustable height, which comprises a substrate, wherein a first strut and three second struts are respectively welded and fixed at the four corners of the top end of the substrate, a bearing structure is arranged between the first strut and the three second struts, the bearing structure comprises two scaffold boards which have the same size and are arranged in an up-down manner, and connecting rods are arranged at the two ends of the two scaffold boards, the utility model discloses a worker can climb onto the scaffold boards by means of a first climbing ladder, when the height of the scaffold boards needs to be adjusted, a motor power supply is switched on, the output shaft of the motor can drive a worm to rotate, the worm and the worm wheel are mutually meshed, the worm can drive the worm wheel to rotate when rotating, and further drive a lead screw to rotate, and two connecting blocks are in threaded connection with the lead screw, when the lead screw rotates, the two connecting blocks can do lifting motion along the lead screw, thereby changing the height of the scaffold boards, the construction of staff is convenient.

Description

Scaffold with freely adjustable height

Technical Field

The utility model relates to a scaffold technical field specifically is a scaffold frame that can freely adjust height.

Background

Scaffolding refers to various supports erected on a construction site for workers to handle and solve vertical and horizontal transportation. Mainly for constructors to live up and down or for peripheral safety net enclosures, high-altitude installation components and the like, scaffold manufacturing materials usually comprise: bamboo, wood, steel pipes or synthetic materials, etc. Some projects also use scaffolds as templates, and in addition, the scaffold is widely used in advertising, municipal administration, traffic roads and bridges, mines and other departments. Present scaffold frame overall height is lower, when needing to increase the scaffold board, and the staff that need be in on the scaffold board will be used for prolonging the support steel pipe of chassis to fix the top position department at the chassis through a plurality of connecting pieces, and is comparatively troublesome, and danger is higher, and supports the steelframe heavier, only can't stand it on the chassis top through a staff. In view of this, we propose a scaffold with freely adjustable height.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scaffold frame that can freely adjust height to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a scaffold with freely adjustable height comprises a base plate, wherein a first support and three second supports are respectively welded and fixed at four corners of the top end of the base plate, a bearing structure is arranged between the first strut and the three second struts, the bearing structure comprises two scaffold boards which have the same size and are arranged in an up-down mode, two ends of the two scaffold boards are respectively provided with a connecting rod, and the two ends of the four connecting rods are welded and fixed with convex connecting blocks, a plurality of connecting blocks are respectively arranged on the first supporting columns and the plurality of second supporting columns, a first chute is arranged in the first support, a screw rod is arranged in the first support, a worm wheel is fixed on the screw rod, one side of the worm wheel is meshed with a worm, one end of the worm is fixedly connected with the tail end of an output shaft of the motor, and the two connecting blocks are in threaded connection with the screw rod.

Preferably, the motor is fixedly mounted on an outer wall of the first support.

Preferably, each second pillar is provided with a second chute with the same shape as the first chute, and the connecting block in the second pillar is slidably connected with the second chute.

Preferably, a support plate is welded and fixed on the outer wall of one side of the first support, and a first climbing ladder is welded and fixed on the front end face of the support plate.

Preferably, two all welded fastening has two couples on the both ends outer wall of scaffold board, the couple with the connecting rod joint is fixed, and keeps away from two of first climbing ladder all welded fastening has the second climbing ladder on the connecting rod.

Preferably, both sides of the top end of one of the scaffold boards are provided with protective baffles.

Preferably, an X-shaped reinforcing rod is welded and fixed between the two scaffold boards, between the first support column and the second support column parallel to the first support column, and between the two second support columns symmetrical to the first support column.

Compared with the prior art, the beneficial effects of the utility model are that: in the scaffold with freely adjustable height, a worker can climb onto the scaffold board by means of the first climbing ladder, when the power supply of the motor is switched on, the output shaft of the motor can drive the worm to rotate, the worm and the worm wheel are meshed with each other, the worm can drive the worm wheel to rotate when rotating, thereby driving the screw rod to rotate, wherein the two connecting blocks are in threaded connection with the screw rod, when the screw rod rotates, the two connecting blocks can do lifting motion along the screw rod, thereby changing the height of the scaffold board, facilitating the construction of workers, solving the problems that the existing scaffold has lower overall height and the scaffold board needs to be heightened, the staff who needs to be on the scaffold board fixes the supporting steel tube for extending the underframe at the top end of the underframe through a plurality of connecting pieces, which is troublesome and has high danger, and the supporting steel frame is heavy, and the supporting steel frame can not be erected on the top end of the underframe by only one worker.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a supporting structure in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a first support column according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a screw rod in embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a guard flap according to embodiment 2 of the present invention.

The meaning of the individual reference symbols in the figures is:

1. a substrate; 2. a first support; 21. a first chute; 22. a screw rod; 221. a worm gear; 222. a worm; 223. A motor; 23. a support plate; 24. a first climbing ladder; 3. a second support; 31. a second chute; 4. a support structure; 41. a scaffold board; 42. a connecting rod; 43. connecting blocks; 44. hooking; 45. a second climbing ladder; 46. A protective baffle; 461. inserting plates; 462. mounting a block; 463. and (4) bolts.

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.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

Referring to fig. 1-4, the present embodiment provides a technical solution:

a scaffold with freely adjustable height comprises a base plate 1, a first support column 2 and three second support columns 3 are respectively welded and fixed at four corners of the top end of the base plate 1, a supporting structure 4 is arranged between the first support column 2 and the three second support columns 3, the supporting structure 4 comprises two scaffold plates 41 which have the same size and are arranged in an up-down type manner, connecting rods 42 are arranged at two ends of each scaffold plate 41, and the two ends of the four connecting rods 42 are all welded and fixed with the convex connecting blocks 43, the connecting blocks 43 are respectively arranged on the first support 2 and the second supports 3, the first sliding groove 21 is arranged in the first support 2, the screw rod 22 is arranged in the first support 2, the worm wheel 221 is fixed on the screw rod 22, the worm 222 is meshed with one side of the worm wheel 221, one end of the worm 222 is fixedly connected with the tail end of the output shaft of the motor 223, and the two connecting blocks 43 are in threaded connection with the screw rod 22.

In this embodiment, the motor 223 is fixedly installed on the outer wall of the first pillar 2, so that the motor 223 is firmly installed on the first pillar 2.

Furthermore, each second pillar 3 is provided with a second sliding groove 31 having the same shape as the first sliding groove 21, and the connecting blocks 43 located in the second pillars 3 are slidably connected to the second sliding grooves 31, and when two of the connecting blocks 43 perform lifting movement along the lead screw 22, the rest of the connecting blocks 43 can slide up and down along the second sliding grooves 31.

Furthermore, a support plate 23 is welded and fixed on the outer wall of one side of the first support column 2, and a first climbing ladder 24 is welded and fixed on the front end face of the support plate 23, so that the workers can climb onto the two scaffold plates 41 conveniently.

Still further, two hooks 44 are welded and fixed on the outer walls of the two ends of the two scaffold boards 41, the hooks 44 are clamped and fixed with the connecting rods 42, second climbing ladders 45 are welded and fixed on the two connecting rods 42 far away from the first climbing ladder 24, and a worker can go up and down from the scaffold boards 41 to the ground by means of the second climbing ladders 45.

In addition, both sides of the top end of one of the scaffold boards 41 are provided with protective baffles 46, which are convenient for protecting workers on the scaffold boards 41.

It should be noted that X-shaped reinforcing rods are welded and fixed between the two scaffold boards 41, between the first support column 2 and the second support column 3 parallel to the first support column 2, and between the two second support columns 3 symmetrical to the first support column 2, so as to prevent the whole device from falling and improve the stability of the whole device.

The scaffold frame of the free height-adjusting of this embodiment is when using, the staff can climb to scaffold board 41 with the help of first climbing ladder 24, when the height of scaffold board 41 needs to be adjusted, switch-on motor 223 power, the output shaft of motor 223 can drive worm 222 and rotate, and worm 222 and worm wheel 221 intermeshing, worm 222 can drive worm wheel 221 during rotating and rotate, and then drive lead screw 22 and rotate, and wherein two connecting blocks 43 and lead screw 22 threaded connection, when lead screw 22 rotates, elevating movement can be done along lead screw 22 to two connecting blocks 43, thereby change scaffold board 41's height, make things convenient for the staff to be under construction, after the construction, can go to ground through second climbing ladder 45.

Example 2

Referring to fig. 5, the present embodiment provides the following technical solutions on the basis of embodiment 1: the bottom of the guard shield 46 is tightly welded with an inserting plate 461, and the top of one of the scaffold boards 41 is provided with two slots with the size matched with that of the inserting plate 461, so that the guard shield 46 and the scaffold boards 41 can be conveniently spliced.

It is worth supplementing that, the mounting block 462 is welded and fixed at both ends of the protection baffle 46, and the mounting block 462 is fixed with the scaffold board 41 by the two bolts 463 through screw threads, so that the mounting block 462 can be fixed with the scaffold board 41, and the protection baffle 46 is prevented from being separated from the scaffold board 41.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a scaffold frame of can freely adjusting height, includes base plate (1), the top four corners department of base plate (1) is welded fastening respectively has first pillar (2) and three second pillar (3), first pillar (2) and three be equipped with bearing structure (4), its characterized in that between second pillar (3): bearing structure (4) include two equidimensions and the scaffold board (41) that the formula of following up was arranged, two the both ends of scaffold board (41) all are provided with connecting rod (42), and four the equal welded fastening in both ends of connecting rod (42) has connecting block (43), a plurality of "protruding" font connecting block (43) are located respectively first pillar (2) and a plurality of second pillar (3), first spout (21) have been seted up in first pillar (2), be equipped with lead screw (22) in first pillar (2), be fixed with worm wheel (221) on lead screw (22), one side meshing of worm wheel (221) has worm (222), the one end of worm (222) and the terminal fixed connection of output shaft of motor (223), and wherein two connecting block (43) with lead screw (22) threaded connection.

2. The height-freely adjustable scaffold according to claim 1, wherein: the motor (223) is fixedly arranged on the outer wall of the first support column (2).

3. The height-freely adjustable scaffold according to claim 1, wherein: every second pillar (3) is interior all seted up with first spout (21) shape equal second spout (31), and be located in second pillar (3) connecting block (43) all with second spout (31) sliding connection.

4. The height-freely adjustable scaffold according to claim 1, wherein: a support plate (23) is welded and fixed on the outer wall of one side of the first support column (2), and a first climbing ladder (24) is welded and fixed on the front end face of the support plate (23).

5. The height-freely adjustable scaffold according to claim 4, wherein: two equal welded fastening has two couples (44) on the both ends outer wall of scaffold board (41), couple (44) with connecting rod (42) joint is fixed, and keeps away from two of first climbing ladder (24) all welded fastening has second climbing ladder (45) on connecting rod (42).

6. The height-freely adjustable scaffold according to claim 1, wherein: two sides of the top end of one of the scaffold boards (41) are provided with protective baffles (46).

7. The height-freely adjustable scaffold according to claim 1, wherein: x-shaped reinforcing rods are welded and fixed between the two scaffold boards (41), between the first support column (2) and the second support column (3) parallel to the first support column (2) and between the two second support columns (3) symmetrical to the first support column (2).