CN113550546A

CN113550546A - A safety frame for building engineering job site

Info

Publication number: CN113550546A
Application number: CN202111012216.6A
Authority: CN
Inventors: 李峰; 王志锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-10-26

Abstract

The invention belongs to the technical field of construction of constructional engineering, and particularly relates to a safety frame for a construction site of constructional engineering, which comprises a base and a lifting platform, wherein a rotating mechanism is fixedly arranged in the base, an upright post is fixedly arranged on the upper surface of the base, a screw rod is movably connected in the upright post, a rotating rod is movably connected in the center of the interior of the lifting platform, the rotating rod is meshed with a conical driven wheel through a conical driving wheel, the conical driven wheel is fixedly connected with a first screw rod, the first screw rod is fixedly connected with a second screw rod, the surfaces of the first screw rod and the second screw rod are both in threaded connection with slide blocks, the two slide blocks are fixedly connected with clamping plates through uniform connecting rods, the movable lifting platform can be further fixed through the clamping plates arranged on the periphery of the bottom of the lifting platform, and the fixing effect and the stability of the lifting platform are improved, thereby improving the practicability and safety of the device.

Description

A safety frame for building engineering job site

Technical Field

The invention belongs to the technical field of constructional engineering construction, and particularly relates to a safety frame for a constructional engineering construction site.

Background

Construction is a production activity performed by people to construct various building products in a certain space and time according to a specific design blueprint by using various building materials and mechanical equipment. The method comprises the whole production process from construction preparation, earth breaking and engineering completion acceptance. In the process, construction preparation, construction organization design and management, earthwork engineering, blasting engineering, foundation engineering, reinforcing steel bar engineering, template engineering, scaffold engineering, concrete engineering, prestressed concrete engineering, masonry engineering, steel structure engineering, wood structure engineering, structure installation engineering and the like are carried out.

In the work progress, the staff need build the mounting bracket by oneself so that subsequent construction of ascending a height, but the mounting bracket installation is dismantled trouble to lead to the efficiency of construction low, and current mounting bracket simple structure, generally only make lift platform carry out the vertical migration through setting up the lead screw all around, fixed effect is poor, takes place easily in the lift platform use and rocks, and dangerous high, for this reason we propose a safety frame for building engineering job site.

Disclosure of Invention

The present invention is directed to a safety frame for construction sites in construction engineering to solve the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a safety frame for a construction engineering construction site comprises a base and a lifting platform, wherein a rotating mechanism is fixedly installed inside the base, stand columns are fixedly installed on the upper surface of the base, four stand columns are arranged, screw rods are movably connected inside the four stand columns, the four corners of the lifting platform are in threaded connection with the four screw rods, a rotating rod is movably connected at the center inside the lifting platform, the rotating rod is connected with a conical driven wheel in a meshed mode through a conical driving wheel, a first screw rod is fixedly connected to one end, away from the rotating rod, of the conical driven wheel, a second screw rod is fixedly connected to one end, away from the rotating rod, of the first screw rod, sliding blocks are in threaded connection with the surfaces of the first screw rod and the second screw rod, the two sliding blocks are fixedly connected with clamping plates through connecting rods, a rotating gear is fixedly connected to the rear end of the rotating rod, and a movable plate is movably connected to the upper end of the rotating gear, and a limit pin is arranged inside the left side of the moving plate.

Preferably, slewing mechanism includes double-shaft motor, double-shaft motor fixed mounting is in the inside of base, both ends all are connected with the pivot, two through output shaft transmission about double-shaft motor the first trapezoidal wheel of the equal fixedly connected with of one end, two of double-shaft motor is kept away from in the pivot first trapezoidal wheel all meshes and is connected with the trapezoidal wheel of second, and the trapezoidal wheel of second and the lower extreme fixed connection of screw rod, slewing mechanism longitudinal symmetry is provided with two sets ofly.

Preferably, the base is internally provided with a cavity, the cavity is internally and fixedly provided with an electric telescopic handle, the lower end of the electric telescopic handle penetrates through the limiting plate fixedly connected with the base, the lower end of the limiting plate is provided with anti-skidding lines, and the lower end of the base is fixedly provided with universal wheels.

Preferably, the inside equal fixed mounting of base, lift platform and stand has the bearing, the pivot is passed through the bearing and is connected with the base rotation, bull stick and second lead screw all rotate with lift platform through the bearing and are connected, the screw rod passes through the bearing and is connected with the stand rotation.

Preferably, the protection frame is fixedly installed around the upper surface of the lifting platform, a movable groove is formed in the rear end of the lifting platform, and the upper end of the movable plate penetrates through the movable groove and extends to the upper side of the lifting platform.

Preferably, the lifting platform is fixedly connected with connecting blocks all around, and connecting blocks movable mounting is on the screw rod, the shifting chute has been seted up to the stand lateral wall, and connecting block and screw rod all set up inside the shifting chute.

Preferably, gear teeth are fixedly installed at the bottom of the moving plate, and the moving plate is in meshed connection with the rotating gear through the gear teeth.

Compared with the prior art, the invention has the beneficial effects that:

(1) this a safety frame for building engineering job site, through promoting the movable plate, the movable plate drives the transmitting gear, bull stick and toper action wheel rotate, thereby drive the toper from the driving wheel, first lead screw and second lead screw rotate, make two sliders on first lead screw and the second lead screw remove in opposite directions, drive two grip blocks then and remove in opposite directions, it is fixed to make two grip blocks carry out the centre gripping to the stand, and then can be to the further fixed of lift platform after the removal, lift platform's fixed effect and stability have been improved.

(2) This a safety frame for building engineering job site, setting through the inside slewing mechanism of base, make the screw rod rotate, thereby can drive lift platform vertical migration, then can remove lift platform to not co-altitude, the convenience of work has been improved, drive the limiting plate downstream through electric telescopic handle to with ground contact, when can restrict the universal wheel and remove, the holistic stability of device has been improved, it drives inside limiting plate upward movement to the base to drive through electric telescopic handle, make the universal wheel can remove, the staff of being convenient for removes this device to different places, thereby the flexibility of this device has been improved.

Drawings

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

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a schematic perspective view of the clamping plate of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3 at A in accordance with the present invention;

fig. 5 is a top sectional view of the present invention.

In the figure: 1. a base; 2. a lifting platform; 3. a rotating mechanism; 301. a double-shaft motor; 302. a rotating shaft; 303. a first trapezoidal wheel; 304. a second trapezoidal wheel; 4. a column; 5. a screw; 6. a rotating rod; 7. a conical driving wheel; 8. a conical driven wheel; 9. a first lead screw; 10. a second lead screw; 11. a slider; 12. a clamping plate; 13. a rotating gear; 14. moving the plate; 15. an electric telescopic rod; 16. and a limiting plate.

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.

Referring to fig. 1-5, the invention provides a safety frame for a construction site of a building engineering, comprising a base 1 and a lifting platform 2, wherein a rotating mechanism 3 is fixedly installed inside the base 1, upright columns 4 are fixedly installed on the upper surface of the base 1, four upright columns 4 are provided, screws 5 are movably connected inside the four upright columns 4, four corners of the lifting platform 2 are respectively in threaded connection with the four screws 5, a rotating rod 6 is movably connected at the center inside the lifting platform 2, the rotating rod 6 is engaged and connected with a conical driven wheel 8 through a conical driving wheel 7, one end of the conical driven wheel 8 far away from the rotating rod 6 is fixedly connected with a first screw 9, one end of the first screw 9 far away from the rotating rod 6 is fixedly connected with a second screw 10, the surfaces of the first screw 9 and the second screw 10 are respectively in threaded connection with a sliding block 11, and the two sliding blocks 11 are both fixedly connected with a clamping plate 12 through connecting rods, the rear end of the rotating rod 6 is fixedly connected with a rotating gear 13, the upper end of the rotating gear 13 is movably connected with a moving plate 14, and a limiting pin is arranged inside the left side of the moving plate 14.

In this embodiment, it is preferred, slewing mechanism 3 includes double-shaft motor 301, double-shaft motor 301 fixed mounting is in base 1's inside, both ends all are connected with pivot 302 through output shaft transmission about double-shaft motor 301, the first trapezoidal wheel 303 of the equal fixedly connected with of one end that double-shaft motor 301 was kept away from to two pivot 302, two first trapezoidal wheels 303 all mesh and are connected with the trapezoidal wheel 304 of second, and the trapezoidal wheel 304 of second and screw rod 5's lower extreme fixed connection, slewing mechanism 3 front and back symmetry is provided with two sets ofly, it rotates to drive pivot 302 through double-shaft motor 301, pivot 302 rotates and drives first trapezoidal wheel 303 and rotates, thereby drive the trapezoidal wheel 304 of second and screw rod 5 rotate, then make lift platform 2 can the vertical migration, the rise or the decline of lift platform 2 has been realized, the subsequent work of the staff of being convenient for.

In this embodiment, it is preferred, base 1 is inside to have seted up the cavity, and the inside fixed mounting of cavity has electric telescopic handle 15, the 15 lower extreme of electric telescopic handle runs through base 1 fixedly connected with limiting plate 16, and the 16 lower extreme of limiting plate is provided with anti-skidding line, 1 lower extreme fixed mounting of base has the universal wheel, drive limiting plate 16 downstream through opening electric telescopic handle 15, make limiting plate 16 and ground contact, thereby make the universal wheel unable removal, be convenient for place to this device holistic fixed, when needs remove, drive limiting plate 16 through electric telescopic handle 15 to the inside removal of base 1, make limiting plate 16 not with ground contact, thereby make the universal wheel can remove, then be convenient for the removal to the device.

In this embodiment, it is preferred, base 1, the inside equal fixed mounting of lift platform 2 and stand 4 has the bearing, pivot 302 passes through the bearing and rotates with base 1 to be connected, bull stick 6 and second lead screw 10 all rotate with lift platform 2 through the bearing to be connected, screw 5 passes through the bearing and rotates with stand 4 to be connected, the setting of bearing, can be to pivot 302, screw 5, bull stick 6 and second lead screw 10 play spacing fixed effect, and because the characteristic of bearing self, can make pivot 302, screw 5, bull stick 6 and second lead screw 10 rotate more smoothly, avoid pivot 302, screw 5, bull stick 6 and second lead screw 10 take place to block and pause to influence the use.

In this embodiment, it is preferred, lifting platform 2 upper surface fixed mounting has the protection frame all around, the movable groove has been seted up to lifting platform 2 rear end inside, 14 upper ends of movable plate run through the movable groove and extend to lifting platform 2's top, the setting of protection frame for the staff can support the protection frame, avoid taking place phenomenons such as skidding and lead to the staff to drop from lifting platform 2, the setting of movable groove provides the removal space for movable plate 14, the staff of being convenient for controls horizontal migration to movable plate 14.

In this embodiment, it is preferred, lift platform 2 fixedly connected with connecting block all around, and connecting block movable mounting is on screw rod 5, and the shifting chute has been seted up to 4 lateral walls of stand, and connecting block and screw rod 5 all set up inside the shifting chute, and the setting of shifting chute provides the activity space for the connecting block for screw rod 5 can make the connecting block at the inside vertical migration of shifting chute when rotating, then makes the connecting block can drive lift platform 2 vertical migration.

In this embodiment, preferably, gear teeth are fixedly installed at the bottom of the moving plate 14, and the moving plate 14 is meshed with the rotating gear 13 through the gear teeth, and the structure is arranged to drive the rotating gear 13 to rotate after the worker horizontally moves the moving plate 14, so as to realize subsequent work.

The working principle and the using process of the invention are as follows: when a worker needs to use the device to lift, the double-shaft motor 301 is started, the double-shaft motor 301 rotates to drive the rotating shaft 302 to rotate, the rotating shaft 302 rotates to drive the first trapezoidal wheel 303 to rotate, so as to drive the second trapezoidal wheel 304 and the screw 5 to rotate, so that the connecting block and the lifting platform 2 can vertically move, and further the lifting platform 2 can vertically move to different heights, so that the device can lift, then the moving plate 14 is pushed rightwards, the moving plate 14 moves to drive the rotating gear 13 to rotate through the gear teeth, the rotating gear 13 rotates to drive the rotating rod 6 and the conical driving wheel 7 to rotate, so as to drive the conical driven wheel 8, the first screw rod 9 and the second screw rod 10 to rotate, and because the screw threads on the first screw rod 9 and the second screw rod 10 are opposite in rotating direction, the two sliding blocks 11 on the first screw rod 9 and the second screw rod 10 move oppositely, so as to drive the two clamping plates 12 to move oppositely, make two grip blocks 12 carry out the centre gripping fixedly to stand 4, insert the spacer pin in the movable plate 14 again, fix movable plate 14, avoid 14 unnecessary movements of movable plate to drive first lead screw 9 and second lead screw 10 and rotate, the centre gripping effect of grip block 12 to stand 4 has been improved, make lift platform 2 fix on stand 4 through self bottom four group's grip blocks 12 all around, and then improved lift platform 2's fixed effect, lift platform 2's stability has been increased, thereby it has improved the practicality and the security of this device to be convenient for the staff to carry out follow-up work.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safety frame for building engineering job site which characterized in that: comprises a base (1) and a lifting platform (2), wherein a rotating mechanism (3) is fixedly arranged in the base (1), stand columns (4) are fixedly arranged on the upper surface of the base (1), four stand columns (4) are arranged, screw rods (5) are movably connected in four stand columns (4), four screw rods (5) are connected in four corners of the lifting platform (2) in a threaded manner, a rotating rod (6) is movably connected at the center in the lifting platform (2), the rotating rod (6) is connected with a conical driven wheel (8) through a conical driving wheel (7) in a meshed manner, a first lead screw (9) is fixedly connected at one end of the conical driven wheel (8) far away from the rotating rod (6), a second lead screw (10) is fixedly connected at one end of the first lead screw (9) far away from the rotating rod (6), and a sliding block (11) is connected on the surfaces of the first lead screw (9) and the second lead screw (10) in a threaded manner, two slider (11) all are through connecting rod fixedly connected with grip block (12), the rear end fixedly connected with running gear (13) of bull stick (6), running gear (13) upper end swing joint has movable plate (14), and movable plate (14) left side inside is provided with the spacer pin.

2. A safety frame for construction sites of construction works according to claim 1, characterized in that: slewing mechanism (3) include double-shaft motor (301), double-shaft motor (301) fixed mounting is in the inside of base (1), both ends all are connected with pivot (302), two through output shaft transmission about double-shaft motor (301) first trapezoidal wheel of the equal fixedly connected with of one end (303), two of double-shaft motor (301) is kept away from in pivot (302) first trapezoidal wheel (303) equal meshing is connected with trapezoidal wheel (304) of second, and the lower extreme fixed connection of trapezoidal wheel (304) of second and screw rod (5), slewing mechanism (3) front and back symmetry is provided with two sets ofly.

3. A safety frame for construction sites of construction works according to claim 1, characterized in that: the utility model discloses a base, including base (1), electric telescopic handle (15), limiting plate (16), base (1) lower extreme fixed mounting has the universal wheel, base (1) inside cavity of having seted up, and the inside fixed mounting of cavity has electric telescopic handle (15), electric telescopic handle (15) lower extreme runs through base (1) fixedly connected with limiting plate (16), and limiting plate (16) lower extreme is provided with anti-skidding line, base (1) lower extreme fixed mounting has the universal wheel.

4. A safety frame for construction sites of construction works according to claim 2, characterized in that: base (1), lift platform (2) and stand (4) inside equal fixed mounting have the bearing, pivot (302) are passed through the bearing and are connected with base (1) rotation, bull stick (6) and second lead screw (10) all rotate with lift platform (2) through the bearing and are connected, screw rod (5) are rotated with stand (4) through the bearing and are connected.

5. A safety frame for construction sites of construction works according to claim 1, characterized in that: the lifting platform is characterized in that a protection frame is fixedly mounted on the periphery of the upper surface of the lifting platform (2), a movable groove is formed in the rear end of the lifting platform (2), and the upper end of the movable plate (14) penetrates through the movable groove and extends to the upper portion of the lifting platform (2).

6. A safety frame for construction sites of construction works according to claim 1, characterized in that: lifting platform (2) fixedly connected with connecting block all around, and connecting block movable mounting is on screw rod (5), the shifting chute has been seted up to stand (4) lateral wall, and connecting block and screw rod (5) all set up inside the shifting chute.

7. A safety frame for construction sites of construction works according to claim 1, characterized in that: gear teeth are fixedly installed at the bottom of the moving plate (14), and the moving plate (14) is meshed and connected with the rotating gear (13) through the gear teeth.