CN216276782U

CN216276782U - Lifting type external scaffold

Info

Publication number: CN216276782U
Application number: CN202122900479.2U
Authority: CN
Inventors: 徐敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-12
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a lifting type external scaffold, which comprises a support and a cross bar, wherein a cavity is arranged at the lower end in the support, a worm is rotatably connected to the inner side of the cavity, the other end of the worm is fixedly connected to one end of a crank, a screw rod is rotatably connected to the bottom end in the cavity, a worm wheel is fixedly connected to the periphery of the screw rod in the cavity, the upper part of the screw rod penetrates through the top of the cavity and is in threaded connection with the inside of a sliding rod, one end of the cross bar penetrates through a second open slot in the upper part of the sliding rod and extends, and the rear end of the second bolt is sequentially in threaded connection with a fourth screw hole in the sliding rod and a third screw hole in the cross bar. According to the utility model, the crank handle is rotated to drive the worm to rotate, the worm drives the screw rod through the worm gear, so that the sliding rod moves upwards at the upper part inside the support, the sliding rod moves to drive the cross rod, the length of the external scaffold can be adjusted according to actual conditions, and the using effect is good.

Description

Lifting type external scaffold

Technical Field

The utility model relates to the technical field of building construction, in particular to a lifting type external scaffold.

Background

The external scaffold is a scaffold erected on the periphery of a building, is widely used, is generally erected on the periphery of the building, is mainly used for outer wall building, outer facade decoration and reinforced concrete engineering, and is a temporary structural frame for loading, stacking and construction operation, which is erected outside an outer edge line of an outer wall for building construction.

The existing external scaffold used for building external walls, decorating external facades and building reinforced concrete projects is basically fixed in length, cannot be adjusted in length according to actual conditions, and is poor in using effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a lifting type external scaffold.

In order to achieve the purpose, the utility model adopts the following technical scheme: over-and-under type scaffold frame, including support and horizontal pole, the inside lower extreme of support is provided with the cavity, the inboard of cavity is rotated and is connected with the worm, the other end fixed connection of worm is in the one end of crank, the inside bottom of cavity is rotated and is connected with the screw rod, the screw rod is located the inside periphery fixedly connected with worm wheel of cavity, the top and the threaded connection of cavity are run through on the upper portion of screw rod in the inside of slide bar, the one end of horizontal pole runs through the second fluting on slide bar upper portion and extends, the front end threaded connection on slide bar upper portion has the second bolt, the rear end of second bolt is inside screw hole on the fourth screw on the slide bar and the third screw on the horizontal pole of threaded connection in proper order.

As a further description of the above technical solution:

the periphery of the sliding rod is connected to the upper end inside the support in a sliding mode.

As a further description of the above technical solution:

one end of the cross rod is provided with a second clamping groove, and the front part of one end of the cross rod is in threaded connection with a first bolt which penetrates through the second clamping groove and extends backwards.

As a further description of the above technical solution:

the top of the cross rod adjacent to the first bolt is provided with a first slot, and the first slot penetrates through the upper part and the lower part of the cross rod.

As a further description of the above technical solution:

the other end of the cross rod is fixedly connected with a first clamping block, and a first screw hole is formed in the middle of the first clamping block.

As a further description of the above technical solution:

the worm is meshed with the worm wheel.

As a further description of the above technical solution:

the top of slide bar is provided with first draw-in groove.

As a further description of the above technical solution:

the bottom of the bracket is fixedly connected with a second clamping block, and the front end of the second clamping block is provided with a second screw hole.

The utility model has the following beneficial effects:

according to the utility model, the worm is driven to rotate by rotating the crank, the worm can drive the screw rod through the worm wheel, the slide rod moves upwards at the upper part inside the support due to the rotation of the screw rod, and the slide rod moves to drive the cross rod, so that the purpose of length adjustment is achieved, the length of the external scaffold can be adjusted according to actual conditions, and the using effect is good.

Drawings

Fig. 1 is a structural diagram of a lifting type external scaffold provided by the utility model;

fig. 2 is a sectional view of an elevating external scaffolding according to the present invention;

fig. 3 is a structure diagram of a slide bar of the lifting external scaffold provided by the utility model;

fig. 4 is a cross bar structure diagram of the lifting type external scaffold provided by the utility model;

FIG. 5 is an enlarged view taken at A in FIG. 2;

fig. 6 is an enlarged view at B in fig. 3.

Illustration of the drawings:

1. a support; 2. a first bolt; 3. a slide bar; 4. a first card slot; 5. a cross bar; 6. a first clamping block; 7. a first screw hole; 8. a second bolt; 9. a crank; 10. a second screw hole; 11. a second fixture block; 12. a screw; 13. a second card slot; 14. a first slot; 15. a third screw hole; 16. a worm; 17. a worm gear; 18. a chamber; 19. a fourth screw hole; 20. and a second slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, one embodiment of the present invention is provided: a lifting type external scaffold comprises a support 1 and a cross rod 5, wherein a cavity 18 is arranged at the lower end inside the support 1, a worm 16 is rotatably connected to the inner side of the cavity 18, the worm 16 can be driven to rotate by rotating a crank 9, the other end of the worm 16 is fixedly connected to one end of the crank 9, a screw 12 is rotatably connected to the bottom end inside the cavity 18, a worm wheel 17 is fixedly connected to the periphery of the screw 12 inside the cavity 18, the upper portion of the screw 12 penetrates through the top of the cavity 18 and is in threaded connection with the inside of a sliding rod 3, one end of the cross rod 5 penetrates through a second groove 20 in the upper portion of the sliding rod 3 and extends, the worm wheel 17 can be driven by the rotation of the worm 16, the worm wheel 17 drives the screw 12, and an internal thread corresponding to the peripheral thread of the screw 12 is arranged inside the sliding rod 3, so that the sliding rod 3 can move upwards at the periphery of the screw 12 and the upper portion inside the support 1 while the screw 12 rotates, and the inside upper end of slide bar 3 and support 1 is square form, can play limiting displacement, when screw rod 12 drove slide bar 3 to go up, the rotatory condition can not appear in slide bar 3, slide bar 3's removal drives horizontal pole 5, the front end threaded connection on slide bar 3 upper portion has second bolt 8, the rear end of second bolt 8 threaded connection is in proper order inside fourth screw 19 on slide bar 3 and the third screw 15 on horizontal pole 5, utilize second bolt 8 threaded connection fourth screw 19 and the third screw 15 on horizontal pole 5 in proper order, with this horizontal pole 5 fixed connection on the upper portion of slide bar 3.

The periphery of the sliding rod 3 is connected with the upper end in the bracket 1 in a sliding way, one end of the cross rod 5 is provided with a second clamping groove 13, the front part of one end of the cross rod 5 is in threaded connection with a first bolt 2, the first bolt 2 penetrates through the second clamping groove 13 and extends backwards, a first clamping block 6 of another cross rod 5 is clamped into the second clamping groove 13 of the cross rod 5, the front part of the cross rod 5 and a first screw hole 7 of the first clamping block 6 on another cross rod 5 are sequentially in threaded connection through the first bolt 2 so as to be connected with a plurality of cross rods 5, the top part of the cross rod 5 adjacent to the first bolt 2 is provided with a first open groove 14, the first open groove 14 penetrates through the upper part and the lower part of the cross rod 5, after the cross rod 5 penetrates through a second open groove 20 on the sliding rod 3, the first open groove 14 is positioned in the second open groove 20, and then a fourth screw hole 19 and a third screw hole 15 on the cross rod 5 are sequentially in threaded connection through the second bolt 8 so as to fixedly connect the cross rod 5 on the upper part of the sliding rod 3, the other end of the cross rod 5 is fixedly connected with a first clamping block 6, the middle part of the first clamping block 6 is provided with a first screw hole 7, a worm 16 and a worm wheel 17 are meshed, the top of the sliding rod 3 is provided with a first clamping groove 4, the bottom of the bracket 1 is fixedly connected with a second clamping block 11, the front end of the second clamping block 11 is provided with a second screw hole 10, the second clamping block 11 at the bottom of the other bracket 1 is clamped into the first clamping groove 4 of the bracket 1, and then a second bolt 8 is sequentially in threaded connection with a fourth screw hole 19 on the sliding rod 3 and the second screw hole 10 on the second clamping block 11 of the other bracket 1, so that the other bracket 1 is fixed on the sliding rod 3.

The working principle is as follows: firstly, after a cross bar 5 penetrates through a second groove 20 on a sliding rod 3, a first groove 14 is positioned in the second groove 20, a second bolt 8 is sequentially in threaded connection with a fourth screw hole 19 and a third screw hole 15 on the cross bar 5, so that the cross bar 5 is fixedly connected to the upper part of the sliding rod 3, then a second clamping block 11 at the bottom of another bracket 1 is clamped into a first clamping groove 4 of the bracket 1, a second bolt 8 is sequentially in threaded connection with a fourth screw hole 19 on the sliding rod 3 and a second screw hole 10 on a second clamping block 11 of another bracket 1, so that another bracket 1 is fixed on the sliding rod 3, so that a plurality of brackets 1 are connected, then a first clamping block 6 of another cross bar 5 is clamped into a second clamping groove 13 of the cross bar 5, and then a front part of the cross bar 5 is sequentially in threaded connection with a first screw hole 7 of the first clamping block 6 on another cross bar 5 through a first bolt 2, connect a plurality of horizontal poles 5 with this, can set up outer scaffold frame through above, drive worm 16 through rotating crank 9 at last and rotate, worm 16's rotation can drive screw rod 12 through worm wheel 17, the rotation of screw rod 12 for slide bar 3 carries out the rebound on the inside upper portion of support 1, and slide bar 3's removal drives horizontal pole 5, thereby realizes outer scaffold frame's length adjustment.

Finally, it should be noted that: 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 or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Lifting external scaffold, including support (1) and horizontal pole (5), its characterized in that: a cavity (18) is arranged at the lower end in the bracket (1), a worm (16) is rotatably connected to the inner side of the cavity (18), the other end of the worm (16) is fixedly connected with one end of the crank (9), the bottom end in the chamber (18) is rotatably connected with a screw rod (12), the periphery of the screw rod (12) positioned in the cavity (18) is fixedly connected with a worm wheel (17), the upper part of the screw rod (12) penetrates through the top of the chamber (18) and is connected to the inside of the sliding rod (3) in a threaded manner, one end of the cross bar (5) penetrates through the second groove (20) at the upper part of the sliding rod (3) and extends, the front end of the upper part of the sliding rod (3) is connected with a second bolt (8) through a thread, the rear end of the second bolt (8) is sequentially connected with the fourth screw hole (19) on the sliding rod (3) and the third screw hole (15) on the cross rod (5) in a threaded manner.

2. The elevating external scaffolding of claim 1, wherein: the periphery of the sliding rod (3) is connected to the upper end inside the support (1) in a sliding mode.

3. The elevating external scaffolding of claim 1, wherein: one end of the cross rod (5) is provided with a second clamping groove (13), and the front part of one end of the cross rod (5) is in threaded connection with a first bolt (2) and the first bolt (2) penetrates through the second clamping groove (13) and extends backwards.

4. The elevating external scaffolding of claim 1, wherein: the top of the cross rod (5) adjacent to the first bolt (2) is provided with a first open slot (14), and the first open slot (14) penetrates through the upper part and the lower part of the cross rod (5).

5. The elevating external scaffolding of claim 1, wherein: the other end of the cross rod (5) is fixedly connected with a first clamping block (6), and a first screw hole (7) is formed in the middle of the first clamping block (6).

6. The elevating external scaffolding of claim 1, wherein: the worm (16) is meshed with the worm wheel (17).

7. The elevating external scaffolding of claim 1, wherein: the top of the sliding rod (3) is provided with a first clamping groove (4).

8. The elevating external scaffolding of claim 1, wherein: the bottom of the bracket (1) is fixedly connected with a second clamping block (11), and the front end of the second clamping block (11) is provided with a second screw hole (10).