CN214834538U

CN214834538U - Movable scaffold

Info

Publication number: CN214834538U
Application number: CN202121363723.XU
Authority: CN
Inventors: 窦明慧; 王赢维; 王耐成; 李金宇
Original assignee: Beijing Zhonghaiwen Equipment Installation Co ltd
Current assignee: Beijing Zhonghaiwen Equipment Installation Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-23
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a movable scaffold, comprising a frame body, four corners in support body bottom have all welded the slide bar, slide bar bottom outer wall slip cap has fixed loop bar, there is the auto-lock universal wheel fixed mounting bottom fixed loop bar through the bolt, the auto-lock universal wheel internal rotation is connected with the brake valve. The utility model overcomes prior art's is not enough, can carry on spacingly to the brake valve through the position fixing sleeve ring, make the brake block on the brake valve can not drop and block the wheel, two keep off the frame and also can push away from to stone all around when the scaffold removes, prevent that auto-lock universal wheel from rolling objects such as stone, reset spring and gyro wheel cooperation keep off the frame, neither can cause the influence to the climbing of scaffold, can carry out effectual protection to the auto-lock universal wheel again, the life of extension auto-lock universal wheel, can guarantee in the whole that the scaffold removes the time wheel can not be stagnant, improve the security of scaffold.

Description

Movable scaffold

Technical Field

The utility model belongs to the technical field of the mobile scaffolding technique and specifically relates to a portable scaffold frame is related to.

Background

Mobile scaffolding, also known as mobile scaffolding, refers to various supports erected on a construction site for workers to handle and solve vertical and horizontal transport. The movable scaffold has the characteristics of simple assembly and disassembly, good bearing performance, safe and reliable use and the like, the development speed is high, the movable scaffold is developed earliest in various novel scaffolds, and the use amount is the largest. The movable scaffold is used as a basic building facility, is widely applied to various large and small building sites, and plays a great auxiliary role.

Portable scaffold frame often can arrange the auto-lock universal wheel of collocation and use, but the auto-lock universal wheel often can fall automatically after using for a long time on the brake valve, block the wheel easily, and the auto-lock universal wheel also rolls objects such as stone easily in going, if people remove scaffold frame this moment, because the wheel is blocked or rolls the stone and can make the wheel stagnation, personnel above the scaffold frame can be because inertia falls from the scaffold frame, lack the security, so can't satisfy prior art needs.

SUMMERY OF THE UTILITY MODEL

To not enough to prior art, the utility model provides a portable scaffold has overcome prior art's is not enough, aims at solving the brake block pine that can't prevent on the brake valve and rolls objects such as stone and make the stagnant problem of wheel with the auto-lock universal wheel.

In order to achieve the above object, the utility model provides a following technical scheme: a movable scaffold comprises a scaffold body, sliding rods are welded at four corners of the bottom of the scaffold body, a fixed loop rod is sleeved on the outer wall of the bottom end of each sliding rod in a sliding mode, a self-locking universal wheel is fixedly installed at the bottom of each fixed loop rod through bolts, a brake valve is connected in the self-locking universal wheel in a rotating mode, one side of the top of each self-locking universal wheel is connected with a positioning loop rod in a rotating mode through a hinged support, one end of each brake valve is movably sleeved on the inner wall of the positioning loop rod, the outer wall of the bottom end of each fixed loop rod is connected with two symmetrically distributed baffle frames in a rotating mode through hinges, the self-locking universal wheel is located between the two baffle frames, idler wheels are connected at the bottom of the baffle frames in a rotating mode through rotating shafts, an inclined reset spring is welded between the top of each baffle frame and the outer wall of the fixed loop rod, a support rod is welded between the two sliding rods, a rotating rod is sleeved at the center of the top of the support rod in a rotating mode, a threaded rod is sleeved on the top of the inner wall of the rotating rod, the top end of the threaded rod is welded at the bottom of the frame body.

As a preferred technical scheme of the utility model, the welding of bull stick outer wall bottom has changeed the handle, change one end and rotate through the free bearing and be connected with the connecting rod.

As an optimal technical scheme of the utility model, connecting rod one end bonds and has the block rubber, block rubber one side contacts with the bracing piece top.

As the utility model discloses a preferred technical scheme, change and the bull stick vertical distribution, keep off the welding of frame outer wall and have the holding rod.

As an optimized technical scheme of the utility model, holding rod and fender frame vertical distribution, support body and slide bar vertical distribution.

As an optimized technical solution of the present invention, the support rod is located above the return spring, and the blocking frame is in a shape of a semicircular cup.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a position the lantern ring can carry on spacingly to the brake valve, make the brake block on the brake valve can not drop and block the wheel, two keep off the frame and also can push away from to stone all around when the scaffold removes, prevent that the auto-lock universal wheel from rolling objects such as stone, reset spring and gyro wheel cooperation keep off the frame, neither can cause the influence to the climbing of scaffold, can carry out effectual protection to the auto-lock universal wheel again, the life of extension auto-lock universal wheel, can guarantee in the whole that the scaffold removes the time wheel can not be stagnant, improve the security of scaffold.

(2) The utility model discloses a rotatory bull stick can drive the threaded rod and go up and down, comes to adjust the holistic height of scaffold, only needs to hold two changes when adjusting and rotates for the altitude mixture control process is labour saving and time saving more, and connecting rod cooperation block rubber still can support with spacing the change after the pairing rotation, prevents to change and makes the support body produce the slope after rotating at will, has improved the practicality of portable scaffold.

Drawings

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

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

fig. 3 is an enlarged view of the structure a in fig. 2 according to the present invention;

fig. 4 is an enlarged view of the structure B in fig. 2 according to the present invention;

fig. 5 is a front view of the frame body of the present invention.

Description of reference numerals:

1. a frame body; 11. a slide bar; 2. fixing the loop bar; 21. a self-locking universal wheel; 22. a brake valve; 23. a positioning collar; 24. a blocking frame; 25. a return spring; 26. a roller; 27. a holding rod; 3. a support bar; 31. a rotating rod; 32. a threaded rod; 33. turning a handle; 34. a connecting rod; 35. a rubber block.

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, a mobile scaffold includes a frame body 1, four sliding rods 11 welded to four corners of the bottom of the frame body 1, the four sliding rods 11 supporting the frame body 1, the frame body 1 being the top half of the existing mobile scaffold and not described herein, a fixed loop bar 2 slidably sleeved on the outer wall of the bottom end of the sliding rod 11 for limiting the sliding rods 11 by the fixed loop bar 2, the sliding rods 11 being capable of ascending and descending in the fixed loop bar 2 without being separated therefrom, a self-locking universal wheel 21 fixedly installed on the bottom of the fixed loop bar 2 by bolts for supporting the fixed loop bar 2 and moving the scaffold, a brake valve 22 rotatably connected to the self-locking universal wheel 21, the brake valve 22 being an internal component of the existing self-locking universal wheel 21, the internal structure of the self-locking universal wheel 21 being disclosed and not described herein, a positioning loop 23 rotatably connected to one side of the top of the self-locking universal wheel 21 by a hinge base, the position sleeve ring 23 can rotate at the top of the self-locking universal wheel 21, the position sleeve ring 23 is convenient to sleeve or break away from the brake valve 22, one end of the brake valve 22 is movably sleeved on the inner wall of the position sleeve ring 23, the brake valve 22 is convenient to position, the outer wall of the bottom end of the fixed loop bar 2 is rotatably connected with two blocking frames 24 which are symmetrically distributed through hinges, and the blocking frames 24 can rotate on one side of the fixed loop bar 2 when the slope moves.

The self-locking universal wheel 21 is positioned between the two blocking frames 24, so that the two blocking frames 24 can protect the self-locking universal wheel 21 inside and prevent the self-locking universal wheel 21 from rolling to objects such as stones with larger volume, the stones with smaller volume cannot obstruct the movement of the self-locking universal wheel 21 and a scaffold, and cannot cause the wheel to stop, the bottom of the blocking frame 24 is rotatably connected with a roller 26 through a rotating shaft, the roller 26 enables the blocking frame 24 to act on the ground to support the blocking frame 24, an inclined return spring 25 is welded between the top of the blocking frame 24 and the outer wall of the fixed loop bar 2, the elastic force of the return spring 25 can press the blocking frame 24 to the ground, the blocking frame 24 cannot obstruct the movement of the scaffold through the deformation of the return spring 25 and the rotation of the blocking frame 24 when running on a slope, the supporting bar 3 is welded between the two sliding bars 11, the rotating sleeve is sleeved at the center of the top of the supporting bar 3 with a rotating bar 31, bracing piece 3 can support and be spacing to

bull stick

31, and 31 inner wall top thread bush of bull stick has threaded rod 32, is convenient for drive threaded rod 32 after bull stick 31 is rotatory go up and down, and the welding in threaded rod 32 top drives support body 1 and goes up and down in 1 bottom of support body, and threaded rod 32 and bull stick 31 can support body 1.

Specifically, referring to fig. 1, 2 and 3, the rotating handle 33 is vertically distributed with the rotating rod 31 to facilitate the rotation of the rotating rod 31, and the holding rod 27 is welded to the outer wall of the blocking frame 24 to facilitate the pulling up of one side of the blocking frame 24 by the holding rod 27 before the brake valve 22 is pressed.

Specifically, referring to fig. 1, 2 and 3, the holding rod 27 is vertically disposed on the blocking frame 24, so that the holding rod 27 can be held to drive the blocking frame 24 to rotate, and the frame body 1 is vertically disposed on the sliding rod 11, so that the frame body 1 can be supported in the vertical direction.

Specifically, referring to fig. 1, 2 and 3, the support rod 3 is located above the return spring 25, so that the support rod 3 does not affect the return spring 25, and the blocking frame 24 is in a semicircular cup shape and is half of a longitudinal circular cup, so that the blocking frame 24 can conveniently block the self-locking universal wheel 21 from multiple directions.

Specifically, referring to fig. 1, 2 and 4, a rotating handle 33 is welded at the bottom of the outer wall of the rotating rod 31, so that people can hold the rotating handle 33 to drive the rotating rod 31 to rotate, one end of the rotating handle 33 is rotatably connected with a connecting rod 34 through a hinged support, and the connecting rod 34 can lengthen the rotating handle 33.

Specifically, referring to fig. 1, 2 and 4, one end of the connecting rod 34 is bonded with a rubber block 35, the rubber block 35 can support the connecting block 34, one side of the rubber block 35 contacts with the top of the supporting rod 3, and the rubber block 35 can also connect the supporting rod 3 and the connecting rod 34 to limit the connecting rod 34 and the rotating handle 33.

The working principle is as follows: when the scaffold is used, the holding rod 27 is held to pull up one side of the blocking frame 24, then the positioning sleeve ring 23 is rotated to sleeve and limit the brake valve 22, the holding rod 27 is loosened, the blocking frame 24 can restore to the original position under the elasticity of the return spring 25, so that the two blocking frames 24 can push away stones around the self-locking universal wheel 21 when the scaffold moves, the brake pad on the brake valve 22 is prevented from loosening, the self-locking universal wheel 21 rolls on the stones and the like to stop the wheels, the blocking frame 24 can not block the movement of the scaffold by the deformation of the return spring 25 and the rotation of the blocking frame 24 when the scaffold moves on a slope, the rotating handle 33 is held by hand to rotate, the rotating rod 31 can be driven to rotate, the threaded rod 32 is driven to lift, the overall height of the scaffold is adjusted, the rubber block 35 at the bottom of the connecting rod 34 is supported on the supporting rod 3, and the rotating handle 33 can support and limit the rotated, the rotating handle 33 is prevented from being rotated freely to incline the frame body 1.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Portable scaffold frame, including support body (1), its characterized in that: sliding rods (11) are welded at four corners of the bottom of the frame body (1), a fixed sleeve rod (2) is sleeved on the outer wall of the bottom end of each sliding rod (11) in a sliding mode, a self-locking universal wheel (21) is fixedly installed at the bottom of each fixed sleeve rod (2) through bolts, a brake valve (22) is rotationally connected in each self-locking universal wheel (21), a positioning sleeve ring (23) is rotationally connected to one side of the top of each self-locking universal wheel (21) through a hinged support, one end of each brake valve (22) is movably sleeved on the inner wall of each positioning sleeve ring (23), two symmetrically-distributed blocking frames (24) are rotationally connected to the outer wall of the bottom end of each fixed sleeve rod (2) through hinges, each self-locking universal wheel (21) is located between the two blocking frames (24), rollers (26) are rotationally connected to the bottom of each blocking frame (24) through rotating shafts, and oblique reset springs (25) are welded between the tops of the blocking frames (24) and the outer wall of the fixed sleeve rods (2), two the welding has bracing piece (3) between slide bar (11), bracing piece (3) top center department rotates the cover and has bull stick (31), bull stick (31) inner wall top threaded sleeve has threaded rod (32), the welding of threaded rod (32) top is in support body (1) bottom.

2. The mobile scaffold of claim 1, wherein: the bottom of the outer wall of the rotating rod (31) is welded with a rotating handle (33), and one end of the rotating handle (33) is rotatably connected with a connecting rod (34) through a hinged support.

3. A mobile scaffold according to claim 2 wherein: the rubber block (35) is bonded to one end of the connecting rod (34), and one side of the rubber block (35) is in contact with the top of the supporting rod (3).

4. A mobile scaffold according to claim 3 wherein: the rotating handle (33) and the rotating rod (31) are vertically distributed, and the outer wall of the blocking frame (24) is welded with the holding rod (27).

5. The mobile scaffold of claim 4, wherein: the holding rod (27) and the blocking frame (24) are vertically distributed, and the frame body (1) and the sliding rod (11) are vertically distributed.

6. The mobile scaffold of claim 1, wherein: the support rod (3) is positioned above the reset spring (25), and the blocking frame (24) is in a semicircular cup shape.