CN215631458U

CN215631458U - Scaffold for building engineering

Info

Publication number: CN215631458U
Application number: CN202122477179.8U
Authority: CN
Inventors: 史瑜; 任河; 尚万善; 张永鹏; 韩喜; 王育玲
Original assignee: Minle County Vocational Education Center School
Current assignee: Minle County Vocational Education Center School
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-01-25
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a scaffold for constructional engineering, which relates to the technical field of building construction and comprises a workbench, wherein a height adjusting device can drive the workbench to move up and down to adjust the height of a worker; under the matching of the first slide block and the connecting rod, the two second slide blocks can drive the workbench to move up and down when moving simultaneously; the positive and negative screw and the second slide block are matched to have self-locking performance, so that the height of the workbench is kept unchanged when the positive and negative screw is not rotated; the take-up device can drive the storage barrel to move upwards and deliver the tool to the workbench; the ratchet wheel and the pawl are matched to realize the unidirectional rotation of the second rotating shaft, so that the object placing barrel is prevented from falling downwards under the action of gravity. The height adjusting device is simple and reliable in structure, convenient for adjusting the height of the workbench according to actual needs, convenient for delivering tools to workers, high in safety, strong in practicability and suitable for popularization.

Description

Scaffold for building engineering

Technical Field

The utility model relates to the technical field of building construction, in particular to a scaffold for constructional engineering.

Background

Scaffold frame refers to the construction site and operates and solve perpendicular and horizontal transportation and various supports that set up for the workman, and the general term of building boundary refers to on the building site and is used in the place that outer wall, interior decoration or layer height are higher can't directly be under construction, mainly for constructor from top to bottom operation or peripheral safety net enclosure and high altitude installation component etc. scaffold frame preparation material usually has: bamboo, wood, steel pipes or synthetic materials, and scaffolds are also used as templates in some projects, and are also widely used in advertising, municipal, traffic roads and bridges, mines, and other departments.

The unable height-adjusting of present scaffold in use leads to the workman of different heights to use inconveniently to when personnel to the scaffold on deliver article, the mode of throwing away is adopted more, has great potential safety hazard.

Disclosure of Invention

The utility model aims at the problems and provides a scaffold for constructional engineering, which solves the problems that the height of the existing scaffold is inconvenient to adjust and articles are inconvenient to deliver to workers.

The technical scheme of the utility model is as follows: a scaffold for constructional engineering comprises a bottom plate, a workbench, a height adjusting device, a take-up device and a storage barrel; four corners of the upper end of the bottom plate are vertically provided with fixed rods, a workbench is arranged above the bottom plate, four corners of the workbench are respectively sleeved on the four fixed rods in a sliding connection manner, and the workbench is connected with the bottom plate through a height adjusting device; the height adjusting device comprises a first sliding block, a second sliding block, connecting rods, supporting plates and a positive and negative tooth lead screw, wherein the upper end of the bottom plate and the lower end of the workbench are respectively provided with the two first sliding blocks and the two second sliding blocks in a sliding connection manner, the first sliding block is hinged with one second sliding block at different sides through the connecting rods, the two connecting rods are arranged in a crossed manner and hinged at a crossed point, the supporting plates are respectively arranged on two sides of the lower end of the workbench, the positive and negative tooth lead screw is rotatably connected between the two supporting plates, and the two second sliding blocks are respectively sleeved on two sides of the positive and negative tooth lead screw in a threaded manner; an extension plate is arranged on one side of the upper end of the workbench, a take-up device is arranged on the outer side of the extension plate, and a storage barrel is connected to the lower end of the take-up device; four corners of the lower end of the bottom plate are provided with universal wheels.

Furthermore, a reinforcing rod is connected between the upper ends of the two adjacent fixing rods.

Further, first slider lower extreme and second slider upper end all are equipped with the arch, bottom plate upper end and workstation lower extreme all are equipped with protruding matched with T type groove, protruding sliding connection's setting is in T type inslot.

Furthermore, a first bevel gear is sleeved on the middle position of the positive and negative screw in a fixed connection mode, a second bevel gear meshed with the first bevel gear is arranged above the first bevel gear and is rotatably connected with the workbench through a first rotating shaft, a first handle penetrates through the workbench and is connected to the upper end of the first rotating shaft, a groove is formed in the upper end of the workbench, and the first handle is rotatably connected with the groove.

Further, take-up includes shell, second pivot, haulage rope, ratchet, pawl, spring, stay cord, pull ring and second handle, shell fixed connection's setting is in the extension plate outside, the shell internal rotation is connected with the second pivot, the winding has the haulage rope in the second pivot, the first end of haulage rope and second pivot fixed connection, the haulage rope second end runs through the shell lower wall and puts the thing bucket and be connected, fixed connection's cover is equipped with the ratchet in the second pivot, ratchet one side is equipped with engaged with pawl, the setting that the pawl rotated the connection is in the shell, be connected with the spring between pawl downside and the shell lower extreme inner wall, the pawl upside is connected with the stay cord, the stay cord upper end runs through the shell upper wall and is connected with the pull ring, second pivot one end runs through the shell lateral wall and is connected with the second handle.

The utility model has the advantages that: the height adjusting device can drive the workbench to move up and down, and adjust the height of a worker; the fixed rod can limit the working range of the workbench and ensure that the workbench can only move up and down in the vertical direction; the bulge can guide the movement of the first sliding block and the second sliding block and simultaneously prevent the first sliding block and the second sliding block from being separated from the bottom plate and the workbench; under the matching of the first slide block and the connecting rod, the two second slide blocks can drive the workbench to move up and down when moving simultaneously; the positive and negative screw and the second slide block are matched to have self-locking performance, so that the height of the workbench is kept unchanged when the positive and negative screw is not rotated; the groove can retract the first handle, so that the walking of workers on the workbench is not influenced; the reinforcing rod can reinforce the fixing rod, so that the situation that the fixing rod deviates is avoided; the take-up device can drive the storage barrel to move upwards and deliver the tool to the workbench; the ratchet wheel and the pawl are matched to realize the unidirectional rotation of the second rotating shaft, so that the object placing barrel is prevented from falling downwards under the action of gravity. The height adjusting device is simple and reliable in structure, convenient for adjusting the height of the workbench according to actual needs, convenient for delivering tools to workers, high in safety, strong in practicability and suitable for popularization.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

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

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

FIG. 3 is a schematic view of a second bevel gear installation of the present invention;

FIG. 4 is a schematic view of a take-up assembly of the present invention;

fig. 5 is a second handle mounting schematic of the present invention.

Reference numerals:

1 is a bottom plate, 2 is a fixed rod, 3 is a workbench, 4 is a height adjusting device, 401 is a first sliding block, 402 is a second sliding block, 403 is a connecting rod, 404 is a supporting plate, 405 is a positive and negative screw rod, 406 is a first bevel gear, 407 is a second bevel gear, 408 is a first rotating shaft, 409 is a first handle, 410 is a groove, 5 is an extension plate, 6 is a take-up device, 601 is a shell, 602 is a second rotating shaft, 603 is a traction rope, 604 is a ratchet wheel, 605 is a pawl, 606 is a spring, 607 is a pull rope, 608 is a pull ring, 609 is a second handle, 7 is a storage barrel, 8 is a universal wheel, 9 is a reinforcing rod, and 10 is a protrusion.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 5, a scaffold for construction engineering includes a base plate 1, a work table 3, a height adjusting device 4, a take-up device 6, and a storage bucket 7; four corners of the upper end of the bottom plate 1 are vertically provided with fixing rods 2, a workbench 3 is arranged above the bottom plate 1, four corners of the workbench 3 are respectively sleeved on the four fixing rods 2 in a sliding connection mode, the fixing rods 2 can limit the working range of the workbench 3, the workbench 3 can only move vertically, a worker can stand on the workbench 3 to perform construction work, the workbench 3 is connected with the bottom plate 1 through a height adjusting device 4, and the height adjusting device 4 can control the workbench 3 to move vertically so as to adjust the height of the worker; the height adjusting device 4 comprises a first slider 401, a second slider 402, a connecting rod 403, a supporting plate 404 and a positive and negative tooth lead screw 405, the upper end of the bottom plate 1 and the lower end of the workbench 3 are respectively provided with two first sliders 401 and two second sliders 402 in a sliding connection manner, the lower ends of the first slider 401 and the second slider 402 are respectively provided with a bulge 10, the upper end of the bottom plate 1 and the lower end of the workbench 3 are respectively provided with a T-shaped groove matched with the bulge 10, the bulge 10 is arranged in the T-shaped groove in a sliding connection manner, the bulge 10 can guide the movement of the first slider 401 and the second slider 402, and the first slider 401 and the second slider 402 are prevented from being separated from the bottom plate 1 and the workbench 3; the first sliding block 401 is hinged with one second sliding block 402 at different sides through a connecting rod 403, the two connecting rods 403 are arranged in a crossed manner and hinged at a crossed point, supporting plates 404 are arranged on two sides of the lower end of the workbench 3, a positive and negative tooth lead screw 405 is rotatably connected between the two supporting plates 404, the two second sliding blocks 402 are respectively sleeved on two sides of the positive and negative tooth lead screw 405 in a screwed manner, the positive and negative tooth lead screw 405 can drive the two second sliding blocks 402 to move simultaneously when rotating and approach or separate from each other, the workbench 3 is driven to move up and down under the matching of the first sliding block 401 and the connecting rod 403, the positive and negative tooth lead screw 405 and the second sliding blocks 402 have self-locking performance, and the height of the workbench 3 is kept unchanged when the positive and negative tooth lead screw 405 is not rotated; a first bevel gear 406 is sleeved in the middle of the positive and negative tooth lead screw 405 in a fixed connection mode, the positive and negative tooth lead screw 405 can be driven to rotate when the first bevel gear 406 rotates, a second bevel gear 407 meshed with the first bevel gear 406 is arranged above the first bevel gear 406, the second bevel gear 407 is rotatably connected with the workbench 3 through a first rotating shaft 408, the positive and negative tooth lead screw 405 can be driven to rotate through the rotation of the first rotating shaft 408, the up-and-down movement of the workbench 3 is further achieved, a first handle 409 penetrates through the workbench 3 and is connected to the upper end of the first rotating shaft 408, the height of the workbench 3 can be conveniently adjusted manually through the first handle 409, a groove 410 is formed in the upper end of the workbench 3, the first handle 409 is rotatably connected with the groove 410, the groove 410 can retract the first handle 409, and the walking of workers on the workbench 3 is guaranteed not to be affected; four corners of the lower end of the bottom plate 1 are provided with universal wheels 8, the universal wheels 8 are commercially available idler wheels with locks, the workbench 3 can be pushed to walk to adjust the position, the universal wheels 8 can be locked after the position is determined, the bottom plate 1 is guaranteed to be kept still when in use, reinforcing rods 9 are connected between the upper ends of two adjacent fixing rods 2, the reinforcing rods 9 can reinforce the fixing rods 2, and the situation that the fixing rods 2 are deviated is avoided; an extension plate 5 is arranged on one side of the upper end of the workbench 3, a take-up 6 is arranged on the outer side of the extension plate 5, a storage barrel 7 is connected to the lower end of the take-up 6, tools can be placed in the storage barrel 7, the take-up 6 can drive the storage barrel 7 to move upwards to deliver the tools onto the workbench 3, the take-up 6 comprises a shell 601, a second rotating shaft 602, a traction rope 603 and a ratchet 604, the extension board comprises a pawl 605, a spring 606, a pull rope 607, a pull ring 608 and a second handle 609, wherein the outer shell 601 is fixedly connected with the outer side of the extension board 5, a second rotating shaft 602 is rotatably connected in the outer shell 601, a traction rope 603 is wound on the second rotating shaft 602, the first end of the traction rope 603 is fixedly connected with the second rotating shaft 602, the second end of the traction rope 603 penetrates through the lower wall of the outer shell 601 to be connected with the storage barrel 7, and the second rotating shaft 602 can drive the traction rope 603 to wind or loosen on the second rotating shaft 602 when rotating so as to drive the storage barrel 7 to move up and down; a ratchet wheel 604 is fixedly connected to the second rotating shaft 602 in a sleeved mode, a pawl 605 meshed with the ratchet wheel 604 is arranged on one side of the ratchet wheel 604, the pawl 605 is rotatably connected in the shell 601, the ratchet wheel 604 and the pawl 605 are matched to realize unidirectional rotation of the second rotating shaft 602, namely, when the second rotating shaft 602 rotates forwards, the pawl 605 does not limit the ratchet wheel 604, the second rotating shaft 602 can rotate normally, at the moment, the storage barrel 7 moves upwards to transfer tools to the workbench 3, when the second rotating shaft 602 rotates backwards, the pawl 605 limits the ratchet wheel 604, the second rotating shaft 602 cannot rotate, and therefore it is guaranteed that the storage barrel 7 cannot fall downwards; a spring 606 is connected between the lower side of the pawl 605 and the inner wall of the lower end of the shell 601, the spring 606 can pull the pawl 605 to reset, the pawl 605 and the ratchet wheel 604 are always in a meshed state, a pull rope 607 is connected to the upper side of the pawl 605, the upper end of the pull rope 607 penetrates through the upper wall of the shell 601 to be connected with a pull ring 608, the pull ring 608 can manually pull the pawl 605 to rotate, the ratchet wheel 604 and the pawl 605 are separated, at the moment, the ratchet wheel 604 is no longer limited, the storage barrel 7 can normally move downwards, one end of the second rotating shaft 602 penetrates through the side wall of the shell 601 to be connected with a second handle 609, the second handle 609 is convenient for manually controlling the second rotating shaft 602 to rotate, and the storage barrel 7 is controlled to move upwards.

The use method of the utility model comprises the following steps: when a scaffold is required to be used for construction work, firstly, the bottom plate 1 is pushed to travel to a construction position, then the universal wheels 8 are locked to ensure that the bottom plate 1 cannot move, and then a worker can climb onto the workbench 3 to work; when the position of the workbench 3 needs to be adjusted, the first handle 409 is rotated, the first handle 409 drives the second bevel gear 407 to rotate, the second bevel gear 407 is meshed with the first bevel gear 406 to drive the first bevel gear 406 to rotate, and further drive the positive and negative tooth lead screw 405 to rotate, the positive and negative tooth lead screw 405 drives the two second sliders 402 to simultaneously move close to each other, the workbench 3 is driven to move upwards under the matching of the first slider 401 and the connecting rod 403, and when the height of the workbench 3 meets the requirement, the first handle 409 stops rotating; when the staff on the workstation 3 needs some instruments, the staff who is located subaerial places the instrument at first in putting thing bucket 7, then the staff who is located workstation 3 rotates second handle 609, second handle 609 drives second pivot 602 and rotates, haulage rope 603 twines on second pivot 602, it moves upwards to drive to put thing bucket 7, in second pivot 602 rotates the work, ratchet 604 and pawl 605 cooperation guarantee that second pivot 602 can't reverse, put thing bucket 7 and can not drop downwards promptly, put thing bucket 7 and rise to workstation 3 below this moment, the staff on the workstation 3 can be easily with the instrument take out from putting thing bucket 7.

The height adjusting device can drive the workbench to move up and down, and adjust the height of a worker; the fixed rod can limit the working range of the workbench and ensure that the workbench can only move up and down in the vertical direction; the bulge can guide the movement of the first sliding block and the second sliding block and simultaneously prevent the first sliding block and the second sliding block from being separated from the bottom plate and the workbench; under the matching of the first slide block and the connecting rod, the two second slide blocks can drive the workbench to move up and down when moving simultaneously; the positive and negative screw and the second slide block are matched to have self-locking performance, so that the height of the workbench is kept unchanged when the positive and negative screw is not rotated; the groove can retract the first handle, so that the walking of workers on the workbench is not influenced; the reinforcing rod can reinforce the fixing rod, so that the situation that the fixing rod deviates is avoided; the take-up device can drive the storage barrel to move upwards and deliver the tool to the workbench; the ratchet wheel and the pawl are matched to realize the unidirectional rotation of the second rotating shaft, so that the object placing barrel is prevented from falling downwards under the action of gravity. The height adjusting device is simple and reliable in structure, convenient for adjusting the height of the workbench according to actual needs, convenient for delivering tools to workers, high in safety, strong in practicability and suitable for popularization.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A scaffold for constructional engineering is characterized by comprising a bottom plate (1), a workbench (3), a height adjusting device (4), a take-up device (6) and a storage barrel (7); four corners of the upper end of the bottom plate (1) are vertically provided with fixing rods (2), a workbench (3) is arranged above the bottom plate (1), four corners of the workbench (3) are respectively sleeved on the four fixing rods (2) in a sliding connection manner, and the workbench (3) is connected with the bottom plate (1) through a height adjusting device (4); the height adjusting device (4) comprises a first sliding block (401), a second sliding block (402), a connecting rod (403), a supporting plate (404) and a positive and negative tooth lead screw (405), the upper end of the bottom plate (1) and the lower end of the workbench (3) are respectively provided with the two first sliding blocks (401) and the two second sliding blocks (402) in a sliding connection mode, the first sliding blocks (401) are hinged to the second sliding blocks (402) on different sides through the connecting rod (403), the two connecting rods (403) are arranged in a crossed mode and hinged to a cross point, the supporting plate (404) is arranged on each of two sides of the lower end of the workbench (3), the positive and negative tooth lead screw (405) is rotatably connected between the two supporting plates (404), and the two second sliding blocks (402) are respectively sleeved on two sides of the positive and negative tooth lead screw (405) in a threaded mode; an extension plate (5) is arranged on one side of the upper end of the workbench (3), a take-up device (6) is arranged on the outer side of the extension plate (5), and a storage barrel (7) is connected to the lower end of the take-up device (6); four corners of the lower end of the bottom plate (1) are provided with universal wheels (8).

2. The scaffold for construction engineering according to claim 1, wherein: and a reinforcing rod (9) is connected between the upper ends of the two adjacent fixing rods (2).

3. The scaffold for construction engineering according to claim 1, wherein: first slider (401) lower extreme and second slider (402) upper end all are equipped with arch (10), bottom plate (1) upper end and workstation (3) lower extreme all are equipped with arch (10) matched with T type groove, arch (10) sliding connection's setting is in T type inslot.

4. The scaffold for construction engineering according to claim 1, wherein: the positive and negative tooth lead screw (405) intermediate position fixed connection's cover is equipped with first bevel gear (406), first bevel gear (406) top is equipped with engaged with second bevel gear (407), second bevel gear (407) rotate with workstation (3) through first pivot (408) and are connected, first pivot (408) upper end is run through workstation (3) and is connected with the first in command (409), workstation (3) upper end is equipped with recess (410), the setting that the first in command (409) rotate to be connected is in recess (410).

5. The scaffold for construction engineering according to claim 1, wherein: the take-up device (6) comprises a shell (601), a second rotating shaft (602), a traction rope (603), a ratchet wheel (604), a pawl (605), a spring (606), a pull rope (607), a pull ring (608) and a second handle (609), wherein the shell (601) is fixedly connected with the outer side of the extension plate (5), the shell (601) is rotatably connected with the second rotating shaft (602), the traction rope (603) is wound on the second rotating shaft (602), the first end of the traction rope (603) is fixedly connected with the second rotating shaft (602), the second end of the traction rope (603) penetrates through the lower wall of the shell (601) to be connected with the storage barrel (7), the ratchet wheel (604) is sleeved on the second rotating shaft (602) in a fixedly connected mode, the pawl (605) is rotatably connected with the shell (601), the spring (606) is connected between the lower side of the pawl (605) and the inner wall of the lower end of the shell (601), the upper side of the pawl (605) is connected with a pull rope (607), the upper end of the pull rope (607) penetrates through the upper wall of the shell (601) to be connected with a pull ring (608), and one end of the second rotating shaft (602) penetrates through the side wall of the shell (601) to be connected with a second handle (609).