CN212078609U

CN212078609U - Anti-falling device for construction

Info

Publication number: CN212078609U
Application number: CN202020159913.9U
Authority: CN
Inventors: 邓琼
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-11
Filing date: 2020-02-11
Publication date: 2020-12-04
Anticipated expiration: 2030-02-11

Abstract

The utility model discloses an anti-falling device is used in construction, install the main part of walking wheel and set up the mounting groove on walking wheel top including bottom four corners, the inner wall of mounting groove has the bottom plate through the bolt fastening, and there is alternately vaulting pole on the top of bottom plate through hinged joint, alternately vaulting pole has the pneumatic cylinder through hinged joint, receive and release mechanism is installed at the top outer wall both ends of main part, and receive and release mechanism including welding in the mounting bracket of main part top both sides, the mounting bracket rotates through the bearing and is connected with the line roller, and the one end key-type connection of line roller has the worm wheel, one side that the top outer wall of main part is close to the line roller all is fixed with. The utility model discloses can be when raising the roof, emit the rope, and because the lead angle of worm wheel, worm is less than the friction angle, after the rope is emitted and finishes, the line roller can auto-lock, and then can utilize the effect of rope, effectively improves the stability of roof, prevents its phenomenon that appears rocking.

Description

Anti-falling device for construction

Technical Field

The utility model relates to a high altitude construction technical field especially relates to an anti-falling device is used in construction.

Background

The work high above the ground generally means work high above the ground, and means work performed by a person at a height with reference to a certain position. The national standard stipulates that: "work at a high place where there is a possibility of falling at a height of 2m or more (including 2m) from the falling height reference surface is called high place work. "according to this definition, the range of work at high altitudes is fairly broad in the construction industry. When the operation is performed in a building, the operation is performed on a frame with the length of more than 2m, namely the high-altitude operation.

The existing aerial work vehicle is provided with the lifting mechanism, lifting of the work platform is achieved, but the work platform completely depends on the supporting effect of the lifting mechanism, and during actual use, the stability of the platform is general, and certain limitation exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a falling-proof device for construction.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a falling preventing device is used in construction, includes that the main part of walking wheel is installed in bottom four corners and sets up the mounting groove on walking wheel top, the inner wall of mounting groove has the bottom plate through the bolt fastening, and there is cross vaulting pole on the top of bottom plate through hinged joint, there is the pneumatic cylinder through hinged joint with the cross vaulting pole, receive and release mechanism is installed at the top outer wall both ends of main part, and receives and release mechanism including welding in the mounting bracket of main part top both sides, the mounting bracket rotates through the bearing and is connected with the line roller, and the one end key-type connection of line roller has the worm wheel, one side that the top outer wall of main part is close to the line roller all has the rotating electrical machines through the bolt fastening, and the output shaft of rotating electrical machines has the worm with worm.

Furthermore, the outer wall of the wire roller is wound with a rope, connecting rings are welded at two ends of the top plate, and the other end of the rope is bolted with the corresponding connecting rings.

Further, the fixed block has all been welded in the top four corners of main part, and the bottom outer wall of fixed block all has the hydraulic stem of vertical setting through the bolt fastening, and the bottom of hydraulic stem all has trapezoidal stabilizer blade through the bolt fastening.

Furthermore, the lead angle of the worm wheel and the worm is smaller than the friction angle.

Furthermore, one side of the anti-falling rail is connected with a door rail through a hinge, and one side of the door rail is welded with an inserting block.

Furthermore, a bolt block is welded on one side, close to the insertion block, of the anti-falling rail, and the same bolt rod is inserted into the bolt block and the insertion block.

Furthermore, the bottom of hydraulic stem all welds the fagging, and the bottom outer wall of fagging bonds and has the rubber antislip strip that the equidistance distributes.

Compared with the prior art, the utility model provides a construction is with anti-falling device possesses following beneficial effect:

1. this anti-falling device is used in construction through the receipts paying off machine who sets up, can be when raising the roof, emits the rope, and because the lead angle of worm wheel, worm is less than the friction angle, after the rope is emitted and is finished, the line roller can the auto-lock, and then can utilize the effect of rope, effectively improves the stability of roof, prevents that it from appearing the phenomenon of rocking.

2. This anti-falling device is used in construction prevents weighing down the fence through the setting, can effectively improve the security performance when constructor constructs, effectively avoids the emergence of incident.

3. This anti-falling device is used in construction, through fagging and the rubber antislip strip that sets up, can effectively improve the device's fixed stability, be favorable to guaranteeing going on smoothly of construction.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the principle is simple, convenient operation.

Drawings

Fig. 1 is a schematic view of the overall structure of a fall protection device for construction according to the present invention;

fig. 2 is a schematic structural view of a take-up and pay-off mechanism of the anti-falling device for construction provided by the utility model;

fig. 3 is an enlarged schematic structural view of a place a in fig. 1 of the fall protection device for construction according to the present invention;

fig. 4 is a schematic view of the embodiment 2 supporting plate three-dimensional structure of the anti-falling device for construction according to the present invention.

In the figure: the anti-falling safety door comprises a main body 1, a bottom plate 2, a walking wheel 3, a fixing block 4, a line roller 5, a hydraulic cylinder 6, a rope 7, a connecting ring 8, a top plate 9, an anti-falling rail 10, a cross brace rod 11, a worm wheel 12, a rotating motor 13, a hydraulic rod 14, a trapezoidal support leg 15, a worm 16, a door rail 17, a latch block 18, a latch rod 19, a latch block 20, a support plate 21 and a rubber anti-slip strip 22.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a falling prevention device for construction comprises a main body 1 with four corners at the bottom thereof provided with walking wheels 3 and a mounting groove arranged at the top end of the walking wheels 3, wherein the inner wall of the mounting groove is fixed with a bottom plate 2 through bolts, the top end of the bottom plate 2 is connected with a cross brace 11 through a hinge, the cross brace 11 is connected with a hydraulic cylinder 6 through a hinge, two ends of the outer wall of the top part of the main body 1 are provided with a take-up and pay-off mechanism, and the retraction mechanism comprises mounting frames welded on both sides of the top end of the main body 1, the mounting frames are rotatably connected with wire rollers 5 through bearings, and one end of the wire roller 5 is connected with a worm wheel 12, one side of the outer wall of the top of the main body 1 close to the wire roller 5 is fixed with a rotating motor 13 through bolts, and the output shaft of the rotating motor 13 is connected with a worm 16 meshed with the worm wheel 12 through a coupling, the top end of the cross brace 11 is provided with a top plate 9, and the top end of the top plate 9 is welded with an anti-falling rail 10.

The utility model discloses in, the outer wall of line roller 5 has wound rope 7, and the go-between 8 has all been welded at the both ends of roof 9, the other end of rope 7 and the 8 bolt joints of go-between that correspond.

Wherein, fixed block 4 has all been welded in the top four corners of main part 1, and the bottom outer wall of fixed block 4 all has the hydraulic stem 14 of vertical setting through the bolt fastening, and the bottom of hydraulic stem 14 all has trapezoidal stabilizer blade 15 through the bolt fastening.

Wherein, the lift angle of the worm wheel 12 and the worm 16 is smaller than the friction angle.

Wherein, one side of the anti-falling rail 10 is connected with a door rail 17 through a hinge, and one side of the door rail 17 is welded with an inserting block 20.

Wherein, one side of the anti-falling rail 10 close to the insert block 20 is welded with a bolt block 18, and the bolt block 18 and the insert block 20 are inserted with a same bolt rod 19.

The working principle is as follows: when the device is used, the device is moved to a construction site through the travelling wheels 3, the hydraulic rod 14 is started to extend the extension rod of the hydraulic rod, the trapezoidal support legs 15 are put down, the device is fixed, after the device is fixed, a constructor opens the door fence 17 to enter the top plate 9, inserts the bolt rod 19 into the insertion block 20 to fix the door fence 17, after the device is fixed, the hydraulic cylinder 6 and the rotating motor 13 are started, the rope 7 is released while the top plate 9 is lifted, the top plate 9 is lifted to a proper position due to the fact that the lift angle of the worm wheel 12 and the worm 16 is smaller than the friction angle, the rotating motor 13 stops running, the wire roller 5 can be self-locked, the stability of the top plate 9 is improved through the action of the rope 7, and the phenomenon of shaking of the top plate; when constructors construct, the safety performance of the constructors during construction is effectively improved through the anti-falling rail 10, and safety accidents are avoided.

Example 2

Referring to fig. 4, the embodiment of the anti-falling device for construction further includes that a supporting plate 21 is welded to the bottom end of each hydraulic rod 14, and rubber anti-slip strips 22 distributed at equal intervals are bonded to the outer wall of the bottom of the supporting plate 21, compared with embodiment 1.

The working principle is as follows: during the use, through the setting of fagging 21 and rubber antislip strip 22, effectively improve the fixed stability of the device, and then guarantee going on smoothly of construction.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a falling-preventing device is used in construction, includes that the main part (1) of walking wheel (3) is installed in the bottom four corners and sets up the mounting groove on walking wheel (3) top, its characterized in that, the inner wall of mounting groove has bottom plate (2) through the bolt fastening, and there is alternately vaulting pole (11) on the top of bottom plate (2) through hinged joint, it has pneumatic cylinder (6) to cross vaulting pole (11) through hinged joint, receive and release line mechanism is installed at the top outer wall both ends of main part (1), and receives and releases the mechanism including welding in the mounting bracket of main part (1) top both sides, the mounting bracket rotates through the bearing and is connected with line roller (5), and the one end key-type connection of line roller (5) has worm wheel (12), one side that the top outer wall of main part (1) is close to line roller (5) all is through the bolt fastening has rotating motor (13), and the output shaft coupling joint of rotating, roof (9) are installed on the top of alternately vaulting pole (11), and the top welding of roof (9) has and prevents weighing down fence (10).

2. The fall arrest device for construction according to claim 1, characterized in that the rope (7) is wound around the outer wall of the wire roller (5), and the connecting rings (8) are welded to both ends of the top plate (9), and the other end of the rope (7) is bolted to the corresponding connecting ring (8).

3. The fall preventing device for construction according to claim 1, characterized in that four corners of the top end of the main body (1) are welded with fixing blocks (4), the outer walls of the bottoms of the fixing blocks (4) are fixed with vertically arranged hydraulic rods (14) through bolts, and the bottom ends of the hydraulic rods (14) are fixed with trapezoidal support legs (15) through bolts.

4. A fall arrest device for construction according to claim 1, characterised in that the worm wheel (12) and worm (16) have a lead angle smaller than the friction angle.

5. A fall arrest device for construction according to claim 1, characterised in that the fall arrest rail (10) is hinged on one side to a door rail (17) and that an insert (20) is welded on one side of the door rail (17).

6. A construction anti-falling device according to claim 5, characterized in that a bolt block (18) is welded on one side of the anti-falling rail (10) close to the insert block (20), and the bolt block (18) and the insert block (20) are inserted to form the same bolt rod (19).

7. A fall preventing device for construction according to claim 3, wherein the bottom ends of the hydraulic rods (14) are welded with supporting plates (21), and the bottom outer walls of the supporting plates (21) are adhered with rubber anti-slip strips (22) distributed at equal intervals.